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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          One year researcher experience (from May 1996 to May 1997) at semiconductor physics laboratory, Quaid-i-Azam University Islamabad, Pakistan.

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

4                    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.

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

6                   Serving as Associate Professor in Department of Physics, Quiad-i-Azam University Islamabad, Pakistan.



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

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).

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 biaxially 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).

56                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).

70                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, 8 (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−y MyO10−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).

99                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(2010).

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      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).

105      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).

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

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

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

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

108      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).

109      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).

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

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

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

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

112      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).

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

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

114      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 (2011) DOI: 10.1007/s10973-011-1919-5.

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 (2011) accepted for publication.

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

Nawazish. A. Khan, S.M. Hasnain Low Temperature Physics 38, N1, (2012).

118      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).

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

A. A. Khurram, Sami Ullaha, Nawazish A. Khan, Physica C  (2011) accepted for publication.

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

M. Mumtaz, M. Sajid, Nawazish A. Khan, Journal of Applied Physics (2011) accepted for publication.

121

 

 

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.



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