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 YBa₂Cu₃O_6+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 Cu_1-xTl_xBa₂Ca₂Cu₃O_11-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 Cu_1-xTl_x -1223 [Cu_1-xTl_x(Ba,Sr)₂Ca₂Cu₃O_10-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 Cu_1-xTl_xBa₂Ca₃Cu₄O_12-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 Cu_1-xTl_xBa₂Ca₂Cu₃O_10-y thin films

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

15        Growth Kinetics of Cu_1-xTl_xBa₂Ca₃Cu₄O_12-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 Y₂Ba₄Cu₇O_15-x Superconductor

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

17        Doping of the CuO₂ Planes of Cu_1-XTl_XBa₂Ca₂Cu₃O_10-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 ) Cu_1-xTl_xBa₂Ca₂Cu₃O_10-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 C_1-xTl_xBa₂CaCu₂O_8-d   Superconductor,

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

20        Phonon Modes of Cu_1-xTl_xBa₂Ca₃Cu₄O_12-y Superconductor,

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

21        The Study of Phonon Modes of Cu_1-xTl_xBa₂Ca₃Cu₄O_12-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 Cu_1-xTl_xBa₂Ca₂Cu₃O_10-y  Superconductor,

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

23        Normal pressure Synthesis of Cu_1-xTl_xBa₂Ca₃Cu₄O_12-y Superconductor, Nawazish A. Khan, A.A. Khurram, and Asim Javed, Physica C 422, 9(2005).

24        Enhance superconducting properties of Cu_1-xTl_xBa₂Ca_2-yMg_yCu₃O_10-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 Cu_1-xTl_xBa₂Ca₂Cu₃O_10-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 Cu_1-xTl_xBa₂Ca₂Cu₃O_10-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 Cu_0.5Tl_0.5Ba₂Ca_n-1-yBe_yCu_nO_2n+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 Cu_0.5Tl_0.5Ba₂Ca_3-yMg_yCu₄O_12-d,

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

29        Weak Link behavior of Cu_1-xTl_xBa₂Ca₃Cu₄O_12-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 Cu_1-xTl_xBa₂Ca_2-y Mg_yCu₃O_10-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 Cu_0.5Tl_0.5Ba₂Ca₂Cu_3-yZn_yO_10-d high temperature Superconductor with three ZnO₂ planes,

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

32        Enhanced superconductivity in Cu_0.5Tl_0.5Ba₂Ca_n-1-yBe_yCu_n O_2n+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 Cu_1-xTl_xBa₂Ca₃Cu₄O_12-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 Cu_1-xTl_xBa₂Ca_2-y Mg_yCu₃O_10-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 Cu_1-xTl_xBa₂Ca₂Cu₃O_10-y Superconductor,

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

36        The reduced weak links in Cu_0.5Tl_0.5Ba₂Ca_4-xMg_xCu₅O_14-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 Cu_0.5Tl_0.5Ba₂Ca₂Mg₂Cu₅O_14-δ Superconductor,

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

38       Nb Substituted Cu_0.5Tl_0.5Ba₂(Ca₃Nb₁)Cu₅O_14-d and Cu_0.5Tl_0.5Ba₂(Ca₄Nb₁)Cu₆O_16-d Superconductors,

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

39        X-ray Photo-emission Studies of Zn doped Cu_1-xTl_xBa₂Ca₂Cu_3-yO_10-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 Cu_0.5Tl_0.5Ba₂Ca₂ Cu_3-yZn_yO_10-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 Cu_1-xTl_xBa₂Ca₃Cu₄O_12-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        Cu_0.5Tl_0.5Ba₂Ca₃ Cu_4-yZn_yO_12-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 Cu_1-xTl_xBa₂Ca₂ Cu_3-yNi_yO_10-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 Cu_1-xTl_xBa₂Ca_2-yMg_yCu_1.5Ni_1.5O_10-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 Cu_0.5Tl_0.5Ba₂Ca₂Cu_0.5Zn_2.5O_10-d Superconductor.

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

46        Excess conductivity of Cu_0.5Tl_0.5Ba₂Ca₁Cu₂O_8-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 Cu_0.5Tl_0.5Ba₂Ca_2-y Mg_yCu_0.5Zn_2.5O_10-d

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

48.       Enhanced inter-plane coupling of Mg doped Cu_0.5Tl_0.5Ba₂Ca_2-xMg_xCu₃O_10-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 Cu_1−xTl_xBa₂Ca₃Cu₄O_12−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 Cu_0.5Tl_0.5Ba₂Ca₃Cu_0.5Zn_3.5O_12-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 Cu_0.5Tl_0.5Ba₂Ca₂Cu_3-yZn_yO_10-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 (Cu_0.5Tl_0.5-yHg_y)Ba₂Ca₃Cu₄O_12-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 Cu_0.5Tl_0.5Ba₂Ca_1.5M_1.5Cu_1.5Ni_1.5 O_10-d (M=Mg, Be) superconductors,

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

57        Frequency Dependent Dielectric Properties Cu_0.5Tl_0.5Ba₂Ca₂(Cu_3-yZn_y)O_10-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 (Cu_0.5Tl_0.25Cs_0.25)Ba₂Ca₂Cu₃O_10-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 Cu_0.5Tl_0.25M_0.25Ba₂Ca₂Cu₃O_10-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-xTlxBa₂Ca₃Cu₄O_12-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 (Cu_0.5Tl_0.5)Ba₂O_4-d charge reservoir layer as an efficient  source of carriers to the CuO₂ planes: Doping of Bi in (Cu_0.5Tl_0.5)Ba₂Ca₂Cu₃O_10-d superconductors

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

68        Intercomparison of Fluctuation Induced Conductivity of Cu_0.5Tl_0.5Ba₂Ca_n-1 Cu_nO_2n+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 Cu_0.5Tl_0.5Ba₂Ca_1.5M_1.5Cu₄O_12-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 Cu_0.5Tl_0.5Ba₂Ca₃Cu_4-yCd_yO_12-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 YBa₂Cu₃O_7-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 (Cu_0.5K_0.25Tl_0.25)Ba₂(Ca_3-xBe_x)Cu₄O_12-d Superconductors,

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

73        Fluctuation-induced conductivity of Cu_0.5Tl_0.5Ba₂Ca₂Cu₂M₁O_10-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 Cu_0.5Tl_0.5Ba₂Ca₃Cu₄O_12-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 Cu_0.5Tl_0.5Ba₂Ca₂Cu_3-yCd_yO_10-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 (Cu_0.5Tl_0.5)Ba₂Ca₂(Cu_3-xSn_x)O_10-d                              Superconductors

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

78        Superconductivity in Co doped Cu_0.5Tl_0.5Ba₂(CaM)Cu_2.95Co_0.05O_10-d (M= Mg, Be) samples

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

79        Sn Doped (Cu_0.5Tl_0.5)Ba₂Ca₂Cu_3-ySn_yO_10-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 Cu_0.5Tl_0.5Ba₂Ca₃Cu₄O_12-d bulk superconductor

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

81        Enhanced 3D Excess-conductivity in Be-doped Cu_0.5Tl_0.5Ba₂Ca_3-xBe_xCu₄O_12-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 Cu_0.5Tl_0.5Ba₂Ca₂Cu_3-xSn_xO_10-d  superconductor

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

83        Superconducting properties of Zn Doped Cu_0.5Tl_0.5Ba₂Ca₂Cu_3-yZn_yO_10-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 (Cu_0.5Tl_0.5-xK_x)Ba₂Ca₂Cu₃O_10-d superconductors

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

85        Superconducting fluctuation behavior and infrared absorption properties of Tl_1-xCu_xSr_1.6Yb_0.4CaCu₂O_7-δ and Tl_0.5Pb_0.5Sr_2-yMg_yCa_0.8Yb_0.2Cu₂O_7-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 (Cu_0.5Tl_0.5)Ba₂Ca_n-1(Cu_n-yGe_y)O_2n+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 Cu_0.5Tl_0.5Ba₂Ca₂Cu_3-ySn_yO_10-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  (Cu_0.5-x Pb_xTl_0.5) Ba₂Ca₂Cu₃O_10-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 Cu_0.5Tl_0.5Ba₂Ca₃Cu_4-yZn_yO_12-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 Cu_0.5Tl_0.5Ba₂(Ca_2-yMg_y) (Cu_0.5Zn_2.5)O_10-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 (Cu_0.5Tl_0.5-xK_x)Ba₂Ca₂Cu₃O_10-d  Superconductors

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

94        Superconductivity and Electron–Phonon Interaction in Cu_0.5Tl_0.5Ba₂Ca₂Cu_3−y M_yO_10−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 Cu_0.5Tl_0.5Ba₂Ca₂Cu_3−y M_yO_10−δ superconductor.

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

96        Superconductivity in (Cu_0.5Tl_0.5-xLi_x)Ba₂Ca₂(Cu_3-ySi_y)O_10-d  Samples.

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

97        Be-doped Cu_0.5Tl_0.5Ba₂Ca₁(Cu_0.5Zn_1.5)O_8-d superconductors,

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

98        Suppression of Tc in Co-doped (Cu_0.5Tl_0.5)Ba₂Ca₂Cu_3-xCo_xO_10-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 Cu_0.5Tl_0.5Ba₂Ca₂Cu_3-ySn_yO_10-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 Cu_0.5Tl_0.5Ba₂Ca₃Cu₄O_12-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 Cu_1-xTl_xBa₂Ca₁Cu₂O_8-d superconductor thin films

A. A. Khurram, Nawazish A. Khan, Shakeel Ahmad, and Ali Awais, Physica C 471, 35(2010).

102      Dielectric Properties of Cu_0.5Tl_0.5Ba₂Ca₃Cu_4-yZn_yO_12-x (y = 0, 3) Superconductors

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

103      Cu_0.5K_0.25Tl_0.25Ba₂Ca₃Cu₄O_12-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 Cu_0.5Tl_0.5Ba₂Ca₂Cu_3-yCo_yO_10-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 (Cu_0.5Tl_0.25M_0.25)Ba₂Ca₂Cu₃O_10-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 (Cu_0.5Tl_0.5-xK_x)Ba₂Ca₃Cu₄O_12-d

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

107      Optimum Synthesis Temperature of (Cu_1−xTl_x)Ba₂Ca₃Cu₄O_12−δ Superconductor

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

108      Superconductivity in Co and Li Substituted Cu_0.5Tl_0.5Ba₂Ca₂Cu_3−xCo_xO_10−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 TlSr₂CaCu₂O_7-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 Cu_0.5Tl_0.5Ba₂Ca₂Cu₃O_10-d superconductors

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

111      Excess-conductivity of (Bi_0.5Tl_0.5)Ba₂Ca₂Cu₃O_10-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 Cu_0.5Tl_0.5Ba₂Ca_3−yM_yCu₄O_12−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 Cu_0.5Tl_0.5Ba₂Ca₂Cu₃O_10-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 Tl_0·85Cr_0·15Sr_1−xGe_xCaCu₂O₇ 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 Cu_0.5Tl_0.5Ba₂Ca₃Cu_4-yCd_yO_12-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 Cu_0.5Tl_0.5Ba₂Ca₃Cu_4-yZn_yO_12-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 Cu_0.5Tl_0.5Ba₂Ca₂(Cu_3-yM_y)O_10-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 YBa₂Cu₃O_7-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-xTl_x)-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 Cu_1-xTl_xBa₂Ca₃Cu₄O_12-y Superconductor Thin Films

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