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Name: Dr. Nawazish Ali Khan
Designation: Assistant Professor
Department: Physics


Qualifications:

1          Ph.D in Condensed Matter Physics (Solid State Physics)

2                  Two years Science and Technology Agency (STA) fellow (from May 15, 1997 to May 15, 1999) at Electrotechnical Laboratory, Tsukuba Science City, Japan.

3                 One and a half year experience as a researcher (from May 20, 1999 to Oct. 2000) at Department of Chemistry, Quaid-i-Azam University Islamabad, Pakistan.

 4           Served Seven years as Assistant Professor in Department of Physics, Quiad-i-Azam University Islamabad, Pakistan.

5         Serving as Associate Professor (Tenure) in Department of Physics, Quiad-i-Azam University Islamabad, Pakistan.



Phone: +92-051 9064-2122
Email: nakhan@qau.edu.pk
Status: On Job
Other Weblink:

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Research Interests Publications Conferences Research Projects

Condensed Matter Physics, Studies of Low Dimensional High Tc Superconductors, Semicondutor Solar Cell etc.



Research Publications (ISI Cited Journals):


1.         Y-Ba-Cu (1-2-3) superconductor starting with copper cyanide.


Nawazish A. Khan, M. Mazhar, N. Baber and M. Zafar Iqbal, J. Mater. Sci. Lett., 10, 1182 (1991) [Impact Factor =2.163].


2          High temperature superconducticity in a Y-Ba-Cu-based system without extraneous oxygen.


Nawazish A. Khan, M. Zafar Iqbal, N. Baber , Shazia Afzal, G. Afshan and M. Mazhar,  Phys. Rev. B. 43, 13622, (1991) [Impact Factor =3.767]


3          Role of the boat material in the synthesis of 123 Superconductor from copper cyanide.


Nawazish A. Khan, N. Baber and M. Zafar Iqbal, J. Mater. Sci. Lett., 12, 607 (1993).


4          Simple method for direct synthesis of YBa2Cu4O8 at atmospheric oxygen pressure.


Nawazish A. Khan, N. Baber, M. Zafar Iqbal and A. ul Haq, Appl. Phys. Lett., 63, 257 (1993).


5          Mechanism of decomposition of cuprous cyanide. Infrared and thermal evidence.


Nawazish A. Khan, N. Baber, M. Zafar Iqbal, and M. Mazhar, Chem. of Materilas, 5, 1283 (1993).


6          Electrical and Infrared characterization of semiconducting phases of YBa2Cu3O6+x.


Nawazish A. Khan, N. Baber and M. Zafar Iqbal, Solid State Commun. 92, 607(1994).


7          Reversible and irreversible features in magnetization rotation experiments.


S.K. Hasanain, Ghulam Hussain Khosa, M. Zafar Iqbal and Nawazish A. Khan, Superconductor Science and Technology 6, 691 (1993).


8          Atmospheric Pressure synthesis of YBa2Cu4O8 using cuprous cyanide.


Nawazish A. Khan, N. Baber, M. Zafar Iqbal and A. ul Haq, Superconductor Science and Technology 7, 563 (1994).


9          Synthesis of Cu1-xTlxBa2Ca2Cu3O11-y (x~0.7) Superconductor by hot press.


H. Yamamoto, K. Tanaka, K. Tokiwa, H. Hirabayashi, M. Tokomoto, Nawazish A. Khan, and H. Ihara, Physica C 302, 137-142(1998).


10        Superconducting Properties of Cu1-xTlx -1223 [Cu1-xTlx(Ba,Sr)2Ca2Cu3O10-y ] Thin Films


            H. Ihara, Y. Sekita, H. Tateai, N.A. Khan, Y. Tanaka, N. Terada and H. Obara, IEEE Transactions on Applied Superconductivity, 9, 1551 (1999).


11        Preparation of bi-axially oriented TlCu-1234 thin films


Nawazish A. Khan, Y. Sekita, F. Tateai, T. Kojima, K. Ishida, N. Terada and H. Ihara, Physica C 320, 39-44(1999).


12        Superconducting Properties of Cu1-xTlxBa2Ca3Cu4O12-y thin films


            Nawazish A. Khan, Y. Sekita, N. Terada and H. Ihara, Superconductor Science and Technology 14, 603(2001).


13        Low Resistivity Contacts to the Surface of Superconductor Thin Films


            E. Harashima, Nawazish A. Khan, Y. Sekita, K. Ishida and H. Ihara, Superconductor Science and Technology 15, 29 (2001).


14        Growth Kinetics of Cu1-xTlxBa2Ca2Cu3O10-y thin films


            Nawazish A. Khan, Y. Sekita, H. Ihara, and A. Maqsood, Physica C 377, 43, (2002).


15        Growth Kinetics of Cu1-xTlxBa2Ca3Cu4O12-y thin films


            Nawazish A. Khan, Y. Sekita and H. Ihara, Superconductor Science and Technology 15, 613 (2002).


16        A Novel Method for the direct Synthesis of Y2Ba4Cu7O15-x Superconductor


            Nawazish A. Khan, M. Mazhar and Asgari Maqsood, Superconductor Science and Technology 15, 577 (2002).


17        Doping of the CuO2 Planes of Cu1-XTlXBa2Ca2Cu3O10-y Superconductor via Light and Heavier Ions


Nawazish A. Khan, A.A.Khuram, A.Maqsood, Physica C 398, 114 (2003).


18        Effects of Post-Annealing on the Infrared Active Phonons Modes of Low Anisotropic( g = 5~11 ) Cu1-xTlxBa2Ca2Cu3O10-d Superconductor Thin Films


Nawazish A. Khan, A.A. Khurram and M. Mazhar, Physica C 407, 23 (2004).


19   Synthesis and studies of Raman active modes in the thin films of C1-xTlxBa2CaCu2O8-d   Superconductor,


Nawazish A. Khan and H. Ihara, Physica C 403, 247 (2004).


20        Phonon Modes of Cu1-xTlxBa2Ca3Cu4O12-y Superconductor,


            Nawazish A. Khan and K. Sabeeh, Physica B 349, 156 (2004).


21        The Study of Phonon Modes of Cu1-xTlxBa2Ca3Cu4O12-y Thin Films by FTIR Absorption Spectroscopy,


Nawazish A. Khan, M. Mumtaz, K. Sabeeh, I.A. Khan,and Mushtaq Ahmed, Physica C 407, 103 (2004).


22        Normal pressure Synthesis of Cu1-xTlxBa2Ca2Cu3O10-y  Superconductor,


Nawazish A. Khan, Fasih-ud-Din and A.A. Khurram, Physica C 417, 119 (2005).


23        Normal pressure Synthesis of Cu1-xTlxBa2Ca3Cu4O12-y Superconductor, Nawazish A. Khan, A.A. Khurram, and Asim Javed, Physica C 422, 9(2005).


24        Enhance superconducting properties of Cu1-xTlxBa2Ca2-yMgyCu3O10-y (y=0, 0.5, 1.0, 1.5),


            Nawazish A. Khan and A.A. Khurram, Appl. Phys. Lett. 86, 152502 (2005).


25        The study of Inter-plane coupling in Cu1-xTlxBa2Ca2Cu3O10-y Superconductor by Mg and Pr substitution at Ca Site,


            Nawazish A. Khan, Asim Javaid, A.A. Khurram and Naghma Haider, Physica C 425, 90(2005).


26        XPS Studies of Cu1-xTlxBa2Ca2Cu3O10-y Superconductor Thin Films,


            Nawazish A. Khan, A. A. Khurram, K. Sabeeh, Azam Iraji-zad and M. M. Ahadian, Physica C 433, 21(2005).


27        Superconductivity in Be substituted by Ca in Cu0.5Tl0.5Ba2Can-1-yBeyCunO2n+4-d (n=3, 4 and y=1, 2, 3),     


Nawazish A. Khan and G. Husnain, Physica C 436, 51(2006).


28        Effect of Mg doping on the superconducting properties of Cu0.5Tl0.5Ba2Ca3-yMgyCu4O12-d,


Nawazish A. Khan and Shahid Nawaz, IEEE Trans. Appl. Supercond. 16, 2 (2006).


29        Weak Link behavior of Cu1-xTlxBa2Ca3Cu4O12-y superconductor thin films,


Nawazish A. Khan, P. Kameli, and A. A. Khurram, Supercond. Sci. Technol. 19, 410 (2006).


30        Study of the Intergranular Coupling of Cu1-xTlxBa2Ca2-y MgyCu3O10-d (y=0,0.5,1.0& 1.5) Superconductors,


A. A. Khurram and Nawazish A. Khan, Supercond. Sci. Technol. 19, 679 (2006).


31        A New Cu0.5Tl0.5Ba2Ca2Cu3-yZnyO10-d high temperature Superconductor with three ZnO2 planes,


Nawazish A. Khan, and M. Mumtaz, Supercond. Sci. Technol. 19, 762 (2006).


32        Enhanced superconductivity in Cu0.5Tl0.5Ba2Can-1-yBeyCun O2n+4-d (n=3, 4 and y=0.7, 1.5, 1.7, 2.0) system with oxygen doping,  


Nawazish A. Khan, G. Husnain, and K. Sabeeh, J. Phys. Chem. Solids 67, 1841 (2006).


33        X-ray Photo-emission Studies of Cu1-xTlxBa2Ca3Cu4O12-y Superconductor Thin Films,


            Nawazish A. Khan, M. Mumtaz, Azam Iraji-zad and M.M. Ahadian, Physica C 449, 47 (2006).


34        The role Nb substitution in Cu1-xTlxBa2Ca2-y MgyCu3O10-d (y=0,0.25, 0.75, 1.0) Superconductors,


Nawazish A. Khan and Arshad Hussain, Physica C 449, 21 (2006).


35        Increased solubility of Mg in Cu1-xTlxBa2Ca2Cu3O10-y Superconductor,


            Nawazish A. Khan, A. A. Khurram, Mushtaq Ahmed, J. Supercond. Nov. Magn. 20, 343(2007).


36        The reduced weak links in Cu0.5Tl0.5Ba2Ca4-xMgxCu5O14-δ (x=1,2,3) superconductors,


Nawazish A. Khan and M. Irfan, Journal of alloys and compounds 432, 49(2007).


37        Normal Pressure Synthesis of Mg Doped Cu0.5Tl0.5Ba2Ca2Mg2Cu5O14-δ Superconductor,


Nawazish A. Khan, M. Irfan and Shahid Nawaz, Physica C 455, 63(2007).


38       Nb Substituted Cu0.5Tl0.5Ba2(Ca3Nb1)Cu5O14-d and Cu0.5Tl0.5Ba2(Ca4Nb1)Cu6O16-d Superconductors,


Nawazish A. Khan and Arshad Hussain, J. Supercond. Nov. Magn. 20, 321  (2007).


39        X-ray Photo-emission Studies of Zn doped Cu1-xTlxBa2Ca2Cu3-yO10-y (y=0, 2.65) Superconductors,


            Nawazish A. Khan, M. Mumtaz, M.M. Ahadian  and Azam Iraji-zad, Physica C 453, 46(2007).


40        Absence of pair breaking effect in Cu0.5Tl0.5Ba2Ca2 Cu3-yZnyO10-d (y=0,0.75, 1.5, 2.25, 2.5, 2.65) superconductor, Nawazish A Khan and M Mumtaz, Eur.Phys. J. Appl. Phys. 38, 47 (2007).


41        The effect of grain size on the fluctuation induced conductivity of Cu1-xTlxBa2Ca3Cu4O12-d, superconductor thin films, A A Khurram, M. Mumtaz, Nawazish A. Khan, M.M. Ahadian and Azam Iraji-zad, Supercond. Sci. Technol. 20, 742 (2007).


42        Cu0.5Tl0.5Ba2Ca3 Cu4-yZnyO12-d (y=0,1.0, 2.0, 3.0, 3.5): Superconductor with Four ZnO2 Planes,


            Nawazish A. Khan and M. Mumtaz,  J. Low Temp Phys, 149, 9 (2007).


43        Suppression of anti-ferromagnetism by enhanced solubility of Ni in Cu1-xTlxBa2Ca2 Cu3-yNiyO10-d (y=0,0.5, 1.0, 1.5) superconductor,


            Nawazish A Khan and Najam-ul-Hassan, Materials Chemistry and Physics 105, 298 (2007).


44        Magnetic Ion Doped Cu1-xTlxBa2Ca2-yMgyCu1.5Ni1.5O10-d (y= 0, 0.5, 1.0, 1.5) Superconductor and their Improved inter-plane Coupling,


            Nawazish A. Khan and Najmul Hassan, Physica C 466, 106(2007).


45        Intergranuular Coupling of the Cu0.5Tl0.5Ba2Ca2Cu0.5Zn2.5O10-d Superconductor.


Nawazish A. Khan and M. Mumtaz, Supercond. Sci. Technol. 20, 1228(2007).


46        Excess conductivity of Cu0.5Tl0.5Ba2Ca1Cu2O8-y thin films induced by thermal fluctuations: importance of 3D fluctuations,


A.A. Khurram and Nawazish A. Khan, Journal of Physics: Condensed Matter 20, 045216 (2008).


47.       Enhanced superconductivity by Mg doping in Cu0.5Tl0.5Ba2Ca2-y MgyCu0.5Zn2.5O10-d


                Nawazish A. Khan and M. Mumtaz, Materials Letters 62, 659 (2008).


48.       Enhanced inter-plane coupling of Mg doped Cu0.5Tl0.5Ba2Ca2-xMgxCu3O10-d superconductors: XPS and FTIR Studies,


A. A. Khurram, Nawazish A. Khan, M.M. Ahadian  and Azam Iraji-zad, Physica C 468,405(2008).


49.       How Grain-Boundaries Influence the Intergranular Critical Current Density of Cu1−xTlxBa2Ca3Cu4O12−δ Superconductor Thin Films,


            Nawazish Ali Khan and M. Mumtaz, J Low Temp Phys. 151, 1221 (2008).


50        Absence of Pair Breaking Mechanism in Zn Doped Cu0.5Tl0.5Ba2Ca3Cu0.5Zn3.5O12-d,


Nawazish Ali Khan and Muhammad Mumtaz, Phys. Rev. B 77, 054507(2008).


51.   Improved Inter-plane and Intergranular Coupling by Mg doping at Ca site in Cu0.5Tl0.5Ba2Ca2(Cu0.5Zn2.5)O10-d Superconductor, 
            M. Mumtaz and Nawazish A Khan and J. Appl. Phys. 103, 083913 (2008). 


52.       Studies of phonon modes and superconducting properties of Cu0.5Tl0.5Ba2Ca2Cu3-yZnyO10-d (y=0, 1.5,2.5),


M. Mumtaz  and Nawazish A. Khan , Supercond. Sci. Technol. 21, 65015 (2008).


53.       Superparamagnetic bimetallic iron-palladium nanoalloy: synthesis and characterization,


R. Nazir, M. Mazahar, M.J. Akhatar, M. Raza Shah, Nawazish A. Khan, M. Nadeem, M. Siddique, M. Mehmood and N.M. Butt, Nanotechnology 19, 185608 (2008).


54        Enhanced Superconducting properties of (Cu0.5Tl0.5-yHgy)Ba2Ca3Cu4O12-d (y=0, 0.15, 0.25, 0.35) Superconductor,


M. Mumtaz, Nawazish A. Khan, and A. A. Khurram, Journal of Alloys and Compounds 452, 435 (2008).


55        Effect of Mg Doping in Enhancing Superconductivity in Ni doped (Cu0.5Tl0.25Li0.25)Ba2Ca2-yMgy(Cu1.5Ni1.5)O10-d (y= 0, 0.5, 1.0, 1.5) Superconductors,
            Najmul Hassan and Nawazish A. Khan Journal of Alloys and Compounds 464, 550 (2008).


  1. Enhancement of superconducting properties in Cu0.5Tl0.5Ba2Ca1.5M1.5Cu1.5Ni1.5 O10-d (M=Mg, Be) superconductors,

    Najmul Hassan and Nawazish A. Khan, Materials Chemistry and Physics 112, 412  (2008).

    57        Frequency Dependent Dielectric Properties Cu0.5Tl0.5Ba2Ca2(Cu3-yZny)O10-d (y=0, 1.0, 1.5, 2.0, 2.5) Superconductors, Nawazish A Khan, Muhammad Mumtaz and A.A. Khurram J. Appl. Phys.104, 33916 (2008).

    58        Enhanced superconductivity in (Cu0.5Tl0.25Cs0.25)Ba2Ca2Cu3O10-d by  Cs doping,

    Nawazish A. Khan and Safeer Hussain, J Low Temp Phys.153, 26(2008).

    59        Self-doping effects on the superconducting properties of Cu0.5Tl0.25M0.25Ba2Ca2Cu3O10-d (M=Bi, Hg, Nb, Pd, Li, Na, K),

    Fahim Ashraf, Nawazish A Khan, Muhammad Mumtaz, J. Supercond. Nov. Magn. 21, 279 (2008).


60   (Cu0.5Tl0.5)Ba2Can-1Cun-yGeyO2n+4-d (n=3, 4 and y= 0.5, 0.75, 1.0); Superconductors with GeO2 Planes; 
            M. Irfan and Nawazish A. Khan, Physica Physica C 468, 2341 (2008).
61        Fluctuation-induced conductivity of polycrystalline Ni doped Cu0.5Tl0.5Ba2Ca0.5Cu3-yNiyO10-d; (y=0, 0.5, 1.0, 1.5) superconductors, 
            Najmul Hassan and Nawazish A. Khan, J. Appl. Phys. 104, 103902 (2008).


62        AC-susceptibility measurements of Cu1-xTlxBa2Ca3Cu4O12-d superconductor thin films with different thallium content


            Nawazish A. Khan , M. Mumtaz, A.A. Khurram, P. Kameli, Physica C 468, 233 (2008).
63   Enhanced Superconductivity by Na doping in (Cu0.5Tl0.25Na0.25)Ba2Ca2Cu3O10-d Nawazish A. Khan and Safeer Hussain, Journal of Alloys and Compounds 475, 652 (2009).
64        Structure and Superconducting properties of Fe doped Cu0.5Tl0.5Ba2Ca2Cu3-yFeyO10-d (y= 0, 0.02, 0.03, 0.05, 0.075) Superconductor, 
            Najmul Hassan and Nawazish A. Khan, Journal of Alloys and Compounds 471, 39 (2009).
65        Fluctuation induced conductivity of five planar Cu0.5Tl0.5Ba2Ca4-xMgxCu5O14-d (x=1,2) Superconductors, 
            M. Irfan, Najmul Hassan, Nawazish Ali Khan, Physica C 469, 86 (2009).
66        Dielectric Properties of Cu0.5Tl0.5Ba2(Ca2-yMgy)(Cu0.5Zn2.5)O10-d bulk  Superconductors, 
            Muhammad Mumtaz and Nawazish A Khan, Physica C 469, 182 (2009).


67        The (Cu0.5Tl0.5)Ba2O4-d charge reservoir layer as an efficient  source of carriers to the CuO2 planes: Doping of Bi in (Cu0.5Tl0.5)Ba2Ca2Cu3O10-d superconductors


            Nawazish A. Khan, Shahreyar and Najmul Hassan, Physica C 469, 139 (2009).


68        Intercomparison of Fluctuation Induced Conductivity of Cu0.5Tl0.5Ba2Can-1 CunO2n+4-y (n = 2,3,4) superconductor thin films,


A.A. Khurram, Nawazish A. Khan, M. Mumtaz, Physica C 469, 279(2009).


69        Excess-conductivity analysis of Mg- and Be-doped polycrystalline Cu0.5Tl0.5Ba2Ca1.5M1.5Cu4O12-d (M=0, Be, Mg) superconductors,


            Nawazish A. Khan, M. Babar, Najam-ul-Hassan, J. Appl. Phys. 105, 83926 (2009).


  1. Superconducting Properties of Cd Doped Cu0.5Tl0.5Ba2Ca3Cu4-yCdyO12-d (y=0,0.25,0.5,0.75,1) Superconductors.

    Nawazish A. Khan and M. Rahim, Journal of Alloys and Compounds 481, 81 (2009).

    71       Fabrication of Micro-pipes of YBa2Cu3O7-d Superconductor,

    Asghari Gul, A.A. Khurram, Nawazish A. Khan, and M. Mazhar, Journal of Superconductivity and Novel Magnetism, 22, 693 (2009).

    72        Weak link behavior of Be Doped (Cu0.5K0.25Tl0.25)Ba2(Ca3-xBex)Cu4O12-d Superconductors,

                Nawazish A. Khan and Asad Manzoor, J. Appl. Phys. 105, 113923 (2009).

    73        Fluctuation-induced conductivity of Cu0.5Tl0.5Ba2Ca2Cu2M1O10-δ (M =Si, Sn, Ge) superconductors

    M. Irfan, Sajid Khan, Najmul Hassan and Nawazish A. Khan, Journal of Superconductivity and Novel Magnetism 22, 769 (2009).

    74        Reduced anti-ferromagnetism promoted by Zn 3d10 substitution at CuO2 planar sites of Cu0.5Tl0.5Ba2Ca3Cu4O12-d superconductors

    M. Mumtaz and Nawazish A. Khan, Physica B 404, 3973 (2009).

    75        Improvement of superconductivity with the reduced anti-ferromagnetism in Zn doped CuTl-1223 superconductor

                M. Mumtaz and Nawazish A. Khan, Phys. Scr. 80, 025702 (2009)

    76        Cd Doped Cu0.5Tl0.5Ba2Ca2Cu3-yCdyO10-d (y=0, 0.5, 1.0, 1.5, 2.0) Superconductors,

    Nawazish A. Khan and Asad Raza, J. Supercond. Nov. Magn.23, 199-204 (2009).

    77        Weak link behavior of Sn Doped (Cu0.5Tl0.5)Ba2Ca2(Cu3-xSnx)O10-d                              Superconductors

    Nawazish A. Khan and Sana Nawaz, Journal of Alloys and Compounds 487, 243-252 (2009).

    78        Superconductivity in Co doped Cu0.5Tl0.5Ba2(CaM)Cu2.95Co0.05O10-d (M= Mg, Be) samples

    A.A. Khurram, Anayat Ullaha, Nawazish A. Khan, Journal of Alloys and Compounds 481, 65 (2009).

    79        Sn Doped (Cu0.5Tl0.5)Ba2Ca2Cu3-ySnyO10-d Superconductors; Effect on the Diamagnetism and Phonon Modes

    Tayyaba Firdous and Nawazish A. Khan, J. Appl. Phys. 106, 083901 (2009).

    80        Dielectric properties of Cu0.5Tl0.5Ba2Ca3Cu4O12-d bulk superconductor

    M. Mumtaz and Nawazish A. Khan, Physica C 469, 728 (2009).

    81        Enhanced 3D Excess-conductivity in Be-doped Cu0.5Tl0.5Ba2Ca3-xBexCu4O12-d (x=0, 0.5, 0.75, 1.0, 1.25, 1.5) superconductors,

    M. Irfan, Najamul Hassan, Babar Shabeer, Asad Manzoor, and Nawazish A. Khan J. Appl. Phys. 106, 113913 (2009).


82        AC response of Cu0.5Tl0.5Ba2Ca2Cu3-xSnxO10-d  superconductor


Tayyba Firdoss, A. A. Khurram, Nawazish A. Khan, J. Supercond. Nov. Magn. 23, 325(2010).


83        Superconducting properties of Zn Doped Cu0.5Tl0.5Ba2Ca2Cu3-yZnyO10-d


Nawazish A. Khan, Rehana Begum and Mazhar Mehmood, J. Supercond. Nov. Magn. 23, 351(2010).


84        Effect of K doping to the weak link behavior of (Cu0.5Tl0.5-xKx)Ba2Ca2Cu3O10-d superconductors


            Nawazish A. Khan and Safeer Hussain, Physica C 470, 51(2010).


85        Superconducting fluctuation behavior and infrared absorption properties of Tl1-xCuxSr1.6Yb0.4CaCu2O7-δ and Tl0.5Pb0.5Sr2-yMgyCa0.8Yb0.2Cu2O7-δ ceramics,


N. Huda, Nawazish A. Khan, A. K. Yahya, Journal of Alloys and Compounds 492, 473–481 (2010).


86        Study of phonon modes and superconducting properties of the oxygen post-annealed (Cu0.5Tl0.5)Ba2Can-1(Cun-yGey)O2n+4-d (n=3, 4 and y= 0, 0.5, 0.75, 1.0) superconductors


M. Irfan and Nawazish A. Khan, Cryogenics 50, 61–65 (2010).


87        Different regions of fluctuation conductivity in Sn-doped Cu0.5Tl0.5Ba2Ca2Cu3-ySnyO10-d superconductors,


            Nawazish A. Khan, Najmul Hassan, M. Irfan and Tayyaba Firdous, Physica B 405 (2010) 1541–1545.


88        Thermally activated dissipation mechanism in Sn doped CuTl - 1223 superconductors


            Nawazish A. Khan, Tayyaba Firdous, P. Kameli, M. Irfan and Najmul Hassan


            J Mater Sci: Material in Electronics 21, 1308 (2010)


89        Effect of Pb-doping to the Superconducting Properties of  (Cu0.5-x PbxTl0.5) Ba2Ca2Cu3O10-d


Nawazish A. Khan and Sami Ullah, J. Supercond. Nov. Magn. 23, 1281 (2010).


90        High Efficiency ZnO Nano Sensor, Fabrication and Characterization


M. Hussain, M. Mazhar M, T. Hussain and N.A. Khan, JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 7, S59-S69 (2010).


91        Growth of Cu0.5Tl0.5Ba2Ca3Cu4-yZnyO12-d superconductor with optimum carriers
M. Mumtaz and Nawazish A. Khan Physica C 470, 428(2010).


92        Studies of Fluctuation Induce conductivity of Mg doped Cu0.5Tl0.5Ba2(Ca2-yMgy) (Cu0.5Zn2.5)O10-d(y=0,0.5,1.0)superconductors.     
Nawazish A. Khan and Asifa Mumtaz, Physica
B 405, 2772 (2010).


93        Suppression of Anti-ferromagnetism by K Doping in (Cu0.5Tl0.5-xKx)Ba2Ca2Cu3O10-d  Superconductors


Nawazish A. Khan and Safeer Hussain, J. Supercond. Nov. Magn. 23, 1341 (2010).


94        Superconductivity and Electron–Phonon Interaction in Cu0.5Tl0.5Ba2Ca2Cu3−y MyO10−δ (M = 0, Si, Ge, Sn and y = 0, 1),


M. Mumtaz, Nawazish A. Khan, R. Nawaz, J. Supercond. Nov. Magn. 23, 565-569 (2010).


95        Optimization of carriers by self-doping in Cu0.5Tl0.5Ba2Ca2Cu3−yMyO10−δ superconductor.


M. Mumtaz, Sajid Khan Nawazish A. Khan, J. Appl. Phys. 107, 103905 (2010).


96        Superconductivity in (Cu0.5Tl0.5-xLix)Ba2Ca2(Cu3-ySiy)O10-d  Samples.


Nawazish A. Khan, Irfan Qasim, and A.A. Khurram Solid Sate Sciences 12, 1058  (2010).


97        Be-doped Cu0.5Tl0.5Ba2Ca1(Cu0.5Zn1.5)O8-d superconductors,


Nawazish A. Khan  and Kefayat Ullaha, J. Supercond. Nov. Magn. 23, 1517 (2010).


98        Suppression of Tc in Co-doped (Cu0.5Tl0.5)Ba2Ca2Cu3-xCoxO10-d superconductor


Nawazish A. Khan, Anayat Ullaha, M. Mumtaz, Najamul Hassan, Journal of Alloys and Compounds 507, 142  (2010).


  1. Effect of Sn Substitution on the Para-conductivity of Polycrystalline Cu0.5Tl0.5Ba2Ca2Cu3-ySnyO10-d superconductors


Nawazish Ali Khan, Najmul Hassan, Sana Nawaz, Babar Shabir, Sajid Khan and Azhar A. Rizvi, J. Appl. Phys. 107, 083910 (2010).


100      Homogeneous distribution of carriers in the conducting planes by Zn substitution at Cu sites in Cu0.5Tl0.5Ba2Ca3Cu4O12-d superconductors


            M. Mumtaz and Nawazish A. Khan, Low Temperature Physics 36, 196-201 (2010).


101      Effect of ion irradiation induced defects on the excess conductivity of Cu1-xTlxBa2Ca1Cu2O8-d superconductor thin films


A. A. Khurram, Nawazish A. Khan, Shakeel Ahmad, and Ali Awais, Physica C 471, 35(2011).


102      Dielectric Properties of Cu0.5Tl0.5Ba2Ca3Cu4-yZnyO12-x (y = 0, 3) Superconductors


            Adnan Younis, Nawazish A. Khan, Naeem Ullah Bajwa, Journal of the Korean Physical Society 57, 1437 ( 2010).


103      Cu0.5K0.25Tl0.25Ba2Ca3Cu4O12-d Superconductors and its Dielectric Properties


            Adnan Younis and Nawazish Ali Khan, Modern Physics Letters B, 24, 3097 (2010).


104      A Search for a Low Anisotropic Superconductor


A.A. Khyrram, Nawazish A. Khan, J. Electromagnetic Analysis & Applications 2, 63-74 (2010); doi:10.4236/jemaa.2010.22010


105      Suppression of superconductivity due to enhanced Co doping in Cu0.5Tl0.5Ba2Ca2Cu3-yCoyO10-d Superconductors


Babar Shabbir, Anayat Ullah, Najmul hassan, M. Irfan and Nawazish A Khan, J. Supercond. Nov. Magn. J Supercond Nov Magn 24, 1521 (2011).


106      Enhanced superconductivity in (Cu0.5Tl0.25M0.25)Ba2Ca2Cu3O10-d samples


Nawazish A. Khan, M. Mumtaz, Faheem Ashraf, Journal of Superconductivity and Novel Magnetism J Supercond Nov Magn 24, 1547 (2011).


107      Fluctuation Indiced Conductivity in (Cu0.5Tl0.5-xKx)Ba2Ca3Cu4O12-d


M. Mumtaz, S.M. Hasnain, A.A. Khurram, Nawazish A. Khan J. Appl. Phys. 109, 023906 (2011).


108      Optimum Synthesis Temperature of (Cu1−xTlx)Ba2Ca3Cu4O12−δ Superconductor


S.M. Hasnain · M. Mumtaz, Nawazish A. Khan, J Supercond Nov Magn 24, 1653 (2011).


109      Superconductivity in Co and Li Substituted Cu0.5Tl0.5Ba2Ca2Cu3−xCoxO10−δ


M. Mumtaz · Nawazish A. Khan, Anayat Ullah J Low Temp Phys. 163, 203 (2011).


111      Effect of Ge4+ and Mg2+ doping on superconductivity, fluctuation induced conductivity and interplanar coupling of TlSr2CaCu2O7-d superconductors.


A. Ali Yusuf, A.K. Yahya, Nawazish A. Khan, F. Md. Salleh, E. Marsom, N. Huda, Physica C 471, 363 (2011).


111      Si doped Cu0.5Tl0.5Ba2Ca2Cu3O10-d superconductors


A.A. Khurram, Irfan Qasim, NawazishA.Khan, Journal of Physics and Chemistry of Solids 72, 755 (2011).


112      Excess-conductivity of (Bi0.5Tl0.5)Ba2Ca2Cu3O10-d superconductors


Nawazish A. Khan, Umber Firdous and Shahreyar, Journal of Applied Physics 109, 113916 (2011).


113      Effect on Diamagnetism and Phonon Modes due to Mg and Be Doping at Ca Sites in Cu0.5Tl0.5Ba2Ca3−yMyCu4O12−δ (y = 0 and 1.5 for M= Mg, Be) High Temperature Superconductors


Babar Shabbir, Muhammad Imran Malik, Nawazish A Khan, J Supercond Nov Magn.24, 1977(2011).


114      Resistive transition in Mn Doped Cu0.5Tl0.5Ba2Ca2Cu3O10-d superconductors


A.A. Khurram, Qurat-ul-Ain, NawazishA.Khan and P. Kameli, Solid State Sciences 13, 2142 (2011); DOI: 10.1016/j.solidstatesciences.2011.08.014


115      Effect of Ge substitution on excess conductivity and infrared absorption of Tl0·85Cr0·15Sr1−xGexCaCu2O7 superconducting ceramics


A. Ali Yusuf, A. K.Yahya, Nawazish A. Khan, Material Research Innovation 15, 118 (2011).


116      Suppressed Phonon Density and Para conductivity of Cd Doped Cu0.5Tl0.5Ba2Ca3Cu4-yCdyO12-d (y=0, 0.25, 0.5, 0.75) Superconductors


M. Rahim and Nawazish A. Khan, Journal of Alloys and Compounds 513, 55 (2011).


117      Improvement of Superconductivity with the Modification of Charge Reservoir Layer in (Cu0.5Tl0.5-xMx)Ba2Ca2Cu3O10-d


Mumtaz M.; Khan Nawazish A.; Ashraf Faheem, Journal of Superconductivity and Novel Magnetism 24, 1985-1989 (2011)  DOI: 10.1007/s10948-011-1157-x


118      Role of Mobile Charge Carriers and Fluctuation Induced Conductivity in (Cu0.5Tl0.5-xKx)Ba2Ca3Cu1Zn3O12-d Superconductor


M. Mumtaz, Nawazish A. Khan, S. M. Hasnain and Adnan Younis, Journal of Superconductivity and Novel Magnetism 24, 1939-1945 (2011);  DOI: 10.1007/s10948-011-1148-y   


119      How Ge doping affects the superconducting properties of (Cu,Tl)-1234 superconductors


M. Irfan and Nawazish A. Khan, International Journal of Modern Physics B 25, 3853 (2011).


120      Pyrolysis mechanism of trisbipyridineiron(II) chloride to iron nanoparticles


Rabia Nazir, Muhammad Mazhar, Tehmina Wakeel, Muhammad J. Akhtar, Muhammad Siddique, Muhammad Nadeem, Nawazish A. Khan, Raza Shah


Journal of Thermal Analysis and Colorimetry 110, 707(2012); DOI: 10.1007/s10973-011-1919-5.


121      Growth of (Cu0.5Tl0.5−xHgx)Ba2Ca3Cu4O12−δ Superconductor with Optimal Carrier Density in CuO2 Planes and Fluctuation-Induced Conductivity


M. Mumtaz, Nawazish A. Khan and S. M. Hasnain, Journal of Superconductivity and Novel Magnetism 25, 835 (2012); DOI: 10.1007/s10948-011-1357-4


122      Excess Conductivity of Cu0.5Tl0.5Ba2Ca3Cu4-yZnyO12-d Superconductors


Nawazish. A. Khan, S.M. Hasnain Low Temperature Physics 38, 22, (2012); http://dx.doi.org/10.1063/1.3677234..


123      Excess Conductivity of Pb-Doped (Cu0.5-xPbxTl0.5)Ba2Ca2Cu3O10-d Superconductors


Nawazish A. Khan, A. A. Khurram, Umber Firdous, Sami Ullaha and Sajid Khan,


Physica C, Volume 474, 29-33 (2012); http://dx.doi.org/10.1016/j.physc.2011.2.003


124      Frequency dependent dielectric properties of Cu0.5Tl0.5Ba2Ca2(Cu3-yMy)O10-d superconductor


M. Mumtaz, M. Sajid, Nawazish A. Khan, Journal of Applied Physics 111, 013920 (2012); http://dx.doi.org/10.1063/1.3673307


125      Excess conductivity analysis and the critical region in Be doped Cu0.5Tl0.5Ba2Ca1-yBeyCu0.5Zn1.5O8-d superconductors


 M. Rahim, Kefiat Ullah and Nawazish A. Khan, Journal of Superconductivity and Novel Magnetism 25, 975 (2012); DOI: 10.1007/s10948-012-1405-8.


126      FIC Analyses of Be-Doped (Bi0.25Cu0.25Li0.25Tl0.25)Ba2Ca2Cu3O10-d Superconductors in the Critical Regime and Beyond


Nawazish A. Khan, Qurat-ul-Ain, Umber Firdous and Shaheryar, Journal of Applied Physics 111, 033917 (2012); doi: 10.1063/1.3681325.


127      Annealing effect on the excess conductivity of Cu0.5Tl0.25M0.25Ba2Ca2Cu3O10-d (M=K, Na, Li, Tl) superconductors.


Najmul Hassan, M. Irfan, Nawazish A. Khan, Salah Khan, A. Shakoor, A. Majid, Atif M. Jadoon, and Sardar Sikander Hayyat, J. Appl. Phys. 111, 053914 (2012); http://dx.doi.org/10.1063/1.3684601.


128      Enhanced Inter-grain Connectivity in Nano-particles Doped (Cu0.5Tl0.5)Ba2Ca2Cu3O10-d Superconductors


Nawazish A. Khan, Abida Saleem and Tajamal Hussain, Journal of Superconductivity and Novel Magnetism 25, 1725  (2012): DOI 10.1007/s10948-012-1512-6.


129      Critical regime and Suppression of the Pseudo-gap in Cu0.5Tl0.5Ba2Ca3Cu4-yZnyO12-d Superconductors via excess Conductivity Analyses


Nawazish A. Khan, M. Mumtaz and M. Rahim, Physica C  478, 32–37 (2012); doi.org/10.1016/j.physc.2012.03.017


130      Effect of Mg and Be Doping on Superconducting Properties of TlBa2(Ca2−yMy)Cu3O9−δ (y = 0 and 1.5 forM= Mg, Be) Superconductors


M. Zubair  and Nawazish A. Khan, Superconductivity and Novel Magnetism 1719-1724, (2012); DOI 10.1007/s10948-012-1509-1


131     Influence of Ce Substitution at Sr-Site on Superconducting Fluctuation Behavior and Infrared Absorption of  Tl0.9Bi0.1Sr2-xCexCa0.9Y0.1Cu1.99Fe0.01O7-d (x = 0-0.20) Ceramics


 A.K. Yahya, Shabani, Nawazish A. Khan, Journal of Superconductivity and Novel Magnetism 25, 1849 (2012) DOI: 10.1007/s10948-012-1582-5.


  1. Flux pinning in Tl1-xCxBa2Ca3Cu4O12-d Superconductors

    Shakeel Ahmed, A.A. Khurram and Nawazish A. Khan, Physica C (2012); http://dx.doi.org/10.1016/j.physc.2012.04.007

    133      Fluctuation Induced Conductivity in Hg-Doped (Cu0.5Tl0.5-xHgx)Ba2Ca3Cu4O12-d Superconductor
    M. Mumtaz, S.M. Hasnain, Nawazish A.Khan, J
    ournal of Superconductivity and Novel Magnetism 25, 201-207 (2012); DOI: 10.1007/s10948-011-1262-x  

    134      Comparison of Superconductivity Parameters of (Cu1-xTlx)Ba2Ca4Cu5O14-d Superconductor Synthesized at Different Temperatures S.M. Hasnain, M. Mumtaz, Nawazish A.Khan, Journal of Superconductivity and Novel Magnetism 25,  325-329 (2012);   DOI: 10.1007/s10948-011-1310-6   

    135      Enhancing Superconductivity in Low Dimensional TlBa2Ca2Cu3O10-d System

                Nawazish A.Khan and Sajjad Hussain, Journal of Superconductivity and Novel Magnetism 25, 2271 (2012); DOI 10.1007/s 10948-012-1619-9

    136      Comparison of the superconducting properties of Cu0.5Tl0.5Ba2Ca2(Cu3-yZny)O10-d Prepared at different synthesis temperatures

    Nawazish A. Khan, Yusra Arif, M. Mumtaz, A. A. Khurram, Ceramic International 38, 6417 (2012); http://dx.doi.org/10.1016/j.ceramint.2012.05.01.

    137      Single and Multi-walled Carbon Nanotubes Doped Cu0.5Tl0.5Ba2Ca2Cu3O10-δ Superconductors

    Nawazish A. Khan and Sadaf Aziz, Journal of Alloys and Compounds 538, 183  (2012): http://dx.doi.org/10.1016/j.jallcom.2012.05.074

    138      Superconductivity and Fluctuation-Induced Conductivity (FIC) Analysis of (Cu0.5Tl0.5−x M x )Ba2Ca2Cu3O10−δ

                M. Mumtaz, Nawazish A. Khan, S. M. Hasnain and Faheem Ashraf, Journal of Superconductivity and Novel Magnetism 25, , (2012); DOI: 10.1007/s10948-012-1622-1.


139      Fluctuation Induced Conductivity in (Cu0.5Tl0.5)Ba2Ca2Cu3O10−δ Superconductor Synthesized at Different Temperatures


S. M. Hasnain, M. Mumtaz and Nawazish A. Khan, Journal of Low Temperature Physics 167, 74-82 (2012), DOI: 10.1007/s10909-011-0454-x


140      Comparison of Superconductivity Parameters of (Cu1−xTlx)Ba2Ca4Cu5O14−δ Superconductor Synthesized at Different Temperatures.


S. M Hasnain, M. Mumtaz,  Nawazish A. Khan, Journal of Superconductivity and Novel Magnetism 25, 325 – 329 (2012); DOI 10.1007/s10948-011-1310-6.


141      Para-conductivity and Critical Regime of (Tl1-xCx)Ba2Ca3Cu4O12-d Superconductors


Nawazish A. Khan and Shakeel Ahmed, Journal of Applied Physics 112, 033912 (2012); DOI: http://dx.doi.org/10.1063/1.4740238.


142      Superconducting fluctuation and infrared absorption of Cd-substituted Tl0.9Bi0.1Sr1.8Yb0.2Ca1-xCdxCu1.99Fe0.01O7-δ ceramics


S. Ismail, A. K. Yahya, Nawazish A. Khan, Ceramic International (2012) http://dx.doi.org/10.1016/j.ceramint.2012.05.015.


143      Atmospheric pressure synthesis of Be- and Mg-doped TlBa2Ca2Cu3O10-d superconductors


Nawazish A. Khan, M. Zubair, M. Mumtaz and A.A. Khurram, Ceramic International (2012);  http://dx.doi.org/10.1016/j.ceramint.2012.08.039.


144      Normal pressure synthesis of (Tl1-yCy)Ba2Ca3Cu4O12-d superconductor


Nawazish A. Khan, Shakil Ahmedm A.A. Khurram, Maqsood Ahmed, Solid State Sciences 112, 033912-033912-5 (2012); DOI: 10.1063/1.4740238.


146      Effect of paramagnetic Mn ion on the superconductivity of Cu0.5Tl0.5Ba2Ca2-xMnxCu3O10−y


            A.A. Khurram, Qurat-ul-Ain and Nawazish A. Khan, Journal of Applied Physics 112, 073920 (2012); http://dx.doi.org/10.1063/1.4757405


147      Temperature and Frequency Dependent Dielectric Properties of Cu0.5Tl0.5Ba2Ca3(Cu4-yCdy)O12-d Bulk Superconductor


            M. Rahim Nawazish A. Khan and M. Mumtaz, Journal of Low Temperature Physics 172, 47 (2012); DOI 10.1007/s10909-012-0840-z.


148      Fluctuation Induced Conductivity Analyses of Cd Doped Cu0.5Tl0.5Ba2Ca2Cu3-yCdyO10-d (y=0, 0.5, 1.0, 1.5) Superconductors


            Asad Raza, M. Rahim and Nawazish A. Khan, Ceramics International 39, 4349(2013).


149      Study of CuO Nano-particles/CuTl-1223 Superconductor Composite


M. Mumtaz, Asif I. Bhatti, K. Nadeem, Nawazish A. Khan, Abida Saleem, S. Tajammul Hussain, J. Low Temp Phys 170, 185 (2013); DOI 10.1007/s10909-012-0741-1


149      Excess Conductivity Analysis of Tl1-xYxBa2Ca2Cu3O10-d Superconductors"


Nawazish A. Khan, Saleem Abbas and Syed M. Husnain Gardezi, Journal of Low Temperature Physics 172, 70-83 (2013); DOI 10.1007/s10909-013-0859-9.


150      Enhancement in the Superconductivity of Tl(Ba2-xMgx)(Ca1Be1)Cu3O10-d System with the Decreased Thickness of Charge Reservoir Layer,


Nawazish A. Khan and Sajjad Hussain, Journal of Superconductivity and Novel Magnetism 26, 337(2013); DOI: 10.1007/s10948-012-1755-2.


151      Study of dielectric properties of oxygen post-annealed Cu0.5Tl0.5Ba2Ca2(Cu3-yMy)O10-d superconductor


            M. Mumtaz, Sajid Khan and Nawazish A. Khan, IEEE Transactions on Applied Superconductivity (2013) accepted for publication.


152      Ti-Doped (Cu0.5Tl0.5)Ba2Ca2(Cu3-xTix)O10-d (x = 0, 0.25, 0.50, 0.75) Superconductors


Nawazish A. Khan and Muhammad Arif, Physica C 488, 35 (2013); http://dx.doi.org/10.1016/j.physc.2013.02.013.


153 Suppressed 3D Conductivity in Mn DopedCu0.5Tl0.5Ba2Ca2-yMnyCu3O10-d Superconductors,


           Qurat-ul-Ain and Nawazish A. Khan, Journal of Applied Physics 113, 133904 (2013); DOI: 10.1063/1.4798581


154 Study of Mg-doped (Cu0.5Tl0.5)Ba2(Ca2-yMgy)(Cu2.5Cd0.5)O10-d (y=0,0.05, 0.1,0.25,0.5,0.75,1.0)superconductors
Muhammad Rahim and Nawazish A. Khan, Journal of Alloys and Compounds 572, 74 (2013);DOI: http://dx.doi.org/10.1016/j.jallcom.2013.03.219.


155     Excess conductivity in Cu0.5Tl0.5Ba2(Ca2−yMgy)(Cu0.5Zn2.5)O10−δ superconductor


            M. Mumtaz and Nawazish A. Khan, Ceramics International (2013, in press); http://dx.doi.org/10.1016/j.ceramint.2013.03.038.


156      Mg-Doped TlBa2(Ca2-xMgx)(Cu2.2Ti0.8)O10-d (x = 0, 0.05, 0.15, 0.25, 0.35) Superconductors


           Nawazish A. Khan and Salman, Journal of Applied Physics 113, 183901 (2013); DOI: http://dx.doi.org/10.1063/1.4803874


157     Dielectric properties of (CuO, CaO2, and BaO)y/CuTl-1223 Composites


           M. Mumtaz, M. Kamran, K. Nadeem, Abdul Jabbar, Nawazish A. Khan, Abida Saleem, S. Tajammul Hussain and M. Kamran, Low Temperature Physics/Fizika Nizkikh Temperature, 39, No.7 (2013).


158     Study of nano-sized (ZnFe2O4)y particles/CuTl-1223 superconductor composites


M. Mumtaz, S. Naeem, K. Nadeem, F. Naeem, Abdul Jabbar, Y.R. Zheng, Nawazish A. Khan, M. Imran, Solid State Sciences 22, 21(2013): DOI: http://dx.doi.org/10.1016/j.solidstatesciences.2013.05.001


159     Dielectric properties of oxygen post-annealed Cu0.5Tl0.5Ba2Ca3(Cu4−yCdy)O12−δ bulk superconductor


           M. Mumtaza, M. Rahim, Nawazish A. Khan, K. Nadeem, Khurram Shehzad, Ceramics International (2013, in press); DOI: http://dx.doi.org/10.1016/j.ceramint.2013.05.078


160     Dielectric properties of oxygen post-annealed Cu0.5Tl0.5Ba2Ca3(Cu4−yCdy)O12−δ bulk superconductor


           M. Mumtaza, M. Rahim, Nawazish A. Khan, K. Nadeem, Khurram Shehzad, Ceramics International (2013, in press); DOI: http://dx.doi.org/10.1016/j.ceramint.2013.05.078 [Impact Factor =1.789].


161     Superconductivity in Y-doped (Tl1-xYx)Ba2Ca2Cu3O10-d


           M. Mumtaza, Nawazish A. Khan and Saleem Abbas, Scripta Materialia (2013, accepted for publication) [Impact Factor =2.821].


162     A chemical approach towards low temperature alloying of immiscible iron and molybdenum metals


           Rabia Nazir, Sohail Ahmed,  Muhammad Mazhar, Muhammad Javed Akhtar, Muhammad Siddique, Nawazish Ali Khan, Muhammad Raza Shah, Muhammad Nadeem, Materials Research Bulletin (2013, accepted for publication); http://dx.doi.org/doi:10.1016/j.materresbull.2013.07.048 [Impact Factor =1.913].


163     Inter-plane Coupling and FIC Analysis of Cu0.5Tl0.5Ba2Ca2-xYxCu3O10-d Superconductors


Saleem Abbas, Nawazish A. Khan and Najamul Hassan, Journal of Applied Physics 114, 083908(2013); DOI: http://dx.doi.org/10.1063/1.4819485 [Impact Factor =2.210].


164     Effect of light, medium and heavy ion irradiations on the structural and electrical properties of ZnSe thin films


A.A. Khurram, Faisal Jabar, M. Mumtaz, Nawazish A. Khan, M. Nasir Mehmood


,Nuclear Inst. and Methods in Physics Research B 313, 40(2013);  DOI: http://dx.doi.org/10.1016/j.nimb.2013.08.008 [Impact Factor =1.266].


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    165     Suppression of 3D mobility of carrier and superconductivity by Y+3 substitution in Cu0.5Tl0.5Ba2(Ca2-xYx)Cu3O10-d samples

    Saleem Abbas, M. Mumtaz and Nawazish A. Khan, Ceramics International (2013, accepted for publication) [Impact Factor =1.789].

     



166     Excess conductivity analysis and infrared absorption study of Mg-doped TlBa2Ca2Cu3O10-d superconductor


M.Mumtaz, M.Zubaira, N.A. Khan, S. Abbas, Low Temperature Physics/Fizika Nizkikh Temperature (FNT) 40, 259, 2014 [Impact Factor =1.183].


167     Infrared absorption spectroscopy and fluctuations induced conductivity (FIC) analysis of Be-doped TlBa2Ca2Cu3O10-d superconductor.


M. Zubair, M. Mumtaz, Nawazish A. Khan, K. Nadeem, Ceramics International 40, 6655 (2014) [Impact Factor =1.789].


DOI: http://dx.doi.org/10.1016/j.ceramint.2013.11.125


168 Synthesis and excess conductivity analysis of TlBa2(Ca3-yBey)Cu4O12-d superconductors


Nawazish A. Khan, M. Shamraiz, S. Qamar Abbas, Appl. Phys. A (2014, accepted for publication); DOI: 10.1007/s00339-014-8225-6  [Impact Factor =1.545].


169     Synthesis and Para-conductivity Analyses of TlBa2(Ca3-yMgy)Cu4O12-d Superconductors
Nawazish A. Khan, M. Shamraiz, Saleem Abbass and Azhar A. Rizvi, Journal of Superconductivity and Novel Magnetism (2014 accepted for publication).


DOI: 10.1007/s10948-014-2569-1


170


 


 


Papers Presented at Conferences


1          Processing of Thallium based High Temperature Superconductor,


            G. Afshan, M. Mazhar, Nawazish A. Khan, N. Baber, and M. Zafar Iqbal, Proc. 2nd Nat. Sym. 1990, Frontier in Physics, Department of Physics, Quaid-i-Azam University Islamabad, Pakistan.


2          Critical Current Measurements of YBa2Cu3O7-x Superconductor using contactless method


            Nawazish A. Khan, Shazia Afzal and M. Zafar Iqbal, Presented at 15th International Nathiagali Summer College on Physics and Contemporary Needs, 7-30 June 1990, Nathiagali, Pakistan.


3          Infrared Absorption Spectroscopy of Y-Ba-Cu (1-2-3) Superconductors with and without Extraneous Oxygen.


                        Shazia Afzal, Nawazish A. Khan, N. Zafar and M. Zafar Iqbal, Proc. 3rd International Symposium on Solid State Physics, Kandy, Sri Lanka, April 22-27, 1991.


4          Use of Cuprous  Cyanide for the synthesis of Y-Ba-Cu Superconductors


            Nawazish A. Khan, N. Baber, M. Zafar Iqbal and A. ul Haq, Proc. FASAS Symposium on New Material and Contemporary Applications (1992), pp, 73-81, Islamabad, Pakistan.


5          Infrared Absorption in YBa2Cu4O8


            Nawazish A. Khan, N. Baber, M. Zafar Iqbal and A. ul Haq, “NATO Fourth course on Material Science and Superconductors” Pottocarrass, Greece, (July 1994).


6          Raman Spectroscopy of CuTl-based Superconductor Thin Films


            Nawazish A. Khan, Y. Tanaka, K. Tokiwa, Y. Sekita, E. Harashima, H. Yamamoto, K. Ishida and H. Ihara, Presented at Japan Physical Society meeting, Tokyo,1998.


7          Preparation of CuTl-1223 Superconducting Thin Films


            Y. Sekita, E. Harashima, Nawazish A. Khan, K. Ishida, K. Tokiwa, N. Terada and H. Ihara,presented at  Japan Physical Society meeting, Tokyo, 1998.


8          Preparation of bi-axially oriented CuTl-1234 Thin films


            Nawazish A. Khan, Y. Sekita , F. Tateai, T. Kojima, K. Ishida, N. Terada and H. Ihara, presented at  Japan Applied Physics Society meeting, Hiroshima, 1998.


9          Preparation of (Cu1-xTlx)-1223 [Cu1-x,Tlx(Ba,Sr)2Ca2Cu3Oy] Superconductor Thin Films


            Yoshiyasu Sekita, Fumiko Tateai, Takahiro Kojima, Katuei Ishida, Nawazish A. Khan, Kousuke Tanaka, Norio Terada and Hideo Ihara, presented at Japan Applied Physics Society meeting, Hiroshima, 1998.


10        Synthesis of single phase of CuTl-1234 thin films


            Nawazish A. Khan, Y. Sekita, K. Ishida, F. Tateai, T. Kojima, N. Terada and H. Ihara, Advances in Superconductivity XI, 1059 (1999).


11        Creation of best performance High-Tc Superconductor based on Cu-1234


H. Ihara, Y. Tanaka, A. Iyo, H. Kito, N. Terada, M. Tokumoto, K. Ishida, Y. Sekita, H. Yamamoto, K. Hayashi, Nawazish A. Khan, A. Sundaresan, J. Nie, T. Kojima, E. Harashima, Y. Ishiura, F. Tateai, M. Kawamura, Bulletin of Electrotechnical Laboratory, 63, 67 (1999).


12        Raman Active Apical Oxygen Modes in Cu1-xTlxBa2Ca3Cu4O12-y Superconductor Thin Films


Nawazish A. Khan and H. Ihara, World Scientific 2004.


13       Enhancement of superconductivity of TlBa2Ca3Cu4O12-δ superconductors by Be doping


            Nawazish A. Khan, M. Shamraiz, Journal of Physics Conference Series 06/2013; 439(1):2022-. DOI:10.1088/1742-6596/439/1/012022.



   

Conferences Attended

1.         13th International Nathiagali Summer College on Physics and Contemporary needs, 9-30 June 1988, Nathiagali, Pakistan.

2.         Second National Symposium on Frontier in Physics, 26-31 December 1988, Quaid-i-Azam University Islamabad, Pakistan.

3.         Experimental Workshop on High Temperature Superconductor 30 March-14 April, 1989, I.C.T.P, Italy.

4.         14th International Nathiagali Summer College on Physics and Contemporary needs, 9-30 June 1989, Nathiagali, Pakistan.

5.         15th International Nathiagali Summer College on Physics and Contemporary needs, 9-30 June 1990, Nathiagali, Pakistan.

6.         Beijing International Workshop on High Temperature Superconductivity, August 27-September 15, 1990, Beijing, China.

7.         Second National Symposium on Frontier in Physics, 26-29 November, 1990, Quaid-i-Azam University, Islamabad, Pakistan.

8.         COMSTECH Workshop on Recent Advances in Material Science, December 2-4, 1992, Islamabad, Pakistan.

9.         The 58th Autumn Meeting of the Japan Society of Applied Physics, Oct. 2-5, 1997, Aketa University, Aketa, Japan.

10.       10th International Symposium on Superconductivity, October 27-30, 1997, Gifu, Japan.

11.       Materials Issues in the Development of High Temperature Superconductors, Feb. 10,1998, Electrotechnical Laboratory, Tsukuba, Japan.

12.       The 45th Spring Meeting of the Japan Society of Applied Physics, March 28-31,

            1998, Tokyo Engineering University, Tokyo Hachioji, Japan.

13.       Japan Applied Physics Meeting, September 14-18, 1998, Hiroshima University, Hiroshima, Japan.

14.       International Symposium on Superconductivity, November 16-19, 1998, Fukuoka, Japan.

15.       26th International Nathiagali Summer College on Physics and Contemporary needs, 2nd-7th July 2001, Nathiagali, Pakistan.

16.       27th International Nathiagali Summer College on Physics and Contemporary needs, 24 June-6th July 2002, Nathiagali, Pakistan.

17.       9th National Symposium on Frontier in Physics, January 28-30, 2003, Government College University, Lahore, Pakistan.

18.       International Workshop on Physics and Technology of Thin Films, February 22 to March 6, 2003, Sharif University, Tehran, Iran.

19.       28th International Nathiagali Summer College on Physics and Contemporary needs, 30 June-12th July 2003, Nathiagali, Pakistan.

20.       Tutorial Course & Synposium on Topics in Semiconductor and Workshop on Nanotechnologies, April 12-17, 2004, Quai-i-Azam University, Islamabad, Pakistan.

21.       31st International Nathiagali Summer College on Physics and Contemporary needs, 3rd  July-8th July 2006, Nathiagali, Pakistan.

22.       International Symposium on Contemporary Physics, March 26-30, 2007, Quai-i-Azam University, Islamabad, Pakistan.

23.       32st International Nathiagali Summer College on Physics and Contemporary needs, 25th June-7th July 2007, Nathiagali, Pakistan.

24.       36st International Nathiagali Summer College on Physics and Contemporary needs, 4th July-8th July 2011, National Center for Physics, Quaid-i-Azam University Islamabad, Pakistan.

25        International Scientific Spring (ISS-2012) on March 5, 2012, National Center for Physics, Quaid-i-Azam University Islamabad, Pakistan.

26.       Seminar on PARR-I Utilization (June 19-21, 2012), Pakistan Institute of Nuclear Science and Technology, P.O. Nilore, Islamabad, Pakistan.

27.       6th Vacuum and Surface Science Conference of Asia and Australia (VASSCA-6) from October 9-13, 2012, at Pak-China Friendship Centre, Islamabad, Pakistan.

28.       38st International Nathiagali Summer College on Physics and Contemporary needs, 24th June-6th July 2013, Nathiagali, Pakistan.



Conferences/Workshops Organized:


1. Nano-scale Electronic Devices and Systems, Sponsored by Higher Education Commission Pakistan under the Short Term Visiting Scholar Program


Offered by Department of Electronics, Quaid-i-Azam University, Islamabad



Research Projects Accomplished:

1.         Band Structure Calculation and Crystal Structure Determination of Cu0.5Tl0.5Ba2Ca3Cu4O12-y Superconductors, Supported by “Internal Centre for Theoretical Physics, (ICTP) Italy” .

2.         Fabrication and Study of IR active Phonon modes of low an-isotropy (g~3-11) Cu1-xTlxBa2Can-1Cun-yZnyO2n+4-d (n=2,3,4,5) Superconductors, Supported by “Higher Education Commission Pakistan”.

3.         The Studies of Superconducting properties of Cu1-xTlxBa2Ca2 Cu3O10-d  thin films to be used for microelectronic devices, Supported by “Pakistan Science Foundation”.

Research Projects under Studies:

1.         Fluctuation induced Conductivity of Cu0.5Tl0.5Ba2Can-1CunO2n+4-d (2, 3, 4, 5, …), funded by Internal Centre for Theoretical Physics, (ICTP) Italy (from 2009-todate).

2.       Synthesis and Structural Properties of Cu0.5Tl0.5Ba2Ca2Cun-1MxO2n+4-d (M=Zn, Ni, Cd, n=2,3,4) Superconductor Thick Films/Bulk samples. Supported by “Higher Education Commission Pakistan” ( 2010-todate).



Quaid-i-Azam University Islamabad, 45320, Pakistan.
Tel: +92-051 9064 0000, Email:webmaster@qau.edu.pk