LIST OF PUBLICATIONS

Journals

1.         Effect of porosity on Electrical Conductivity of Hot-Pressed AlN Ceramic.

Rev. Phys. Appl. (France) 21(1986)525-529.

M. Zulfequar & A. Kumar

 

2.         Effect of CaO Additive on Electrical Conductivity of Hot-Pressed AlN Ceramic.

Journal of Material Science Lett.(UK) 5(1986)1230-1232.

M. Zulfequar & A. Kumar

 

3.         Electrical Conductivity of Hot-Pressed AlN Ceramic : Effect of Various Oxide Additives.

Journal of Material Science (UK) 22 (1987) 4056-4060.

M. Zulfequar & A. Kumar

 

4.         Electrical Conductivity and Dielectric Behaviour  of Hot-Pressed AlN Ceramic.

Advanced Ceramic Material (USA) 3 (1988) 332-336.

            M. Zulfequar & A. Kumar

 

5.         Dielectric Behaviour  of Hot-Pressed AlN Ceramic: Effect of CaO Additives.

J. Electrocem. Soc.(USA) 136 (1889)1099-1102.

M. Zulfequar & A. Kumar

 

6.         Effect of Moisture on the Dielectric Behaviour  of Hot-Pressed AlN Ceramic.

Material Science and Engg. A102(1988)131-136.

M. Zulfequar, D.B.Singh & A. Kumar

 

 7.        Effect of various oxide Additives on the Dielectric Behaviour  of Hot Pressed AlN Ceramic.

Material Science and Technology (UK) 5 (1989) 403-405.

            M. Zulfequar, D.B.Singh & A. Kumar

 

8.         Effect of SrO Additives on the Electrical and Dielectric Behaviour  of Hot Pressed AlN Ceramic

Journal of Material Science Lett. (UK) 8(1989) 543-547.

K.K Srivastava, M. Zulfequar & A. Kumar

 

9.         Dielectric Behavior of Standard Amino Resin.

Ind. J. Pure and Appl. Phys. 26 (1988) 370-372.

S.Swarup, S Chandra, M. Zulfequar & A. Kumar

 

10.       Dielectric properties of Standard Epoxy Resin.

Acta Polymerica  (Germany) 40 (1989) 134-135.

S.Swarup , S. Chandra, M. Zulfequar & A. Kumar

 

11.       Dielectric Properties of Standard Rosin modified Malic Resin

Ind. J. Tech.26 (1988) 352-353.

S.Swarup, S Chandra, M. Zulfequar & A. Kumar

 

12.       Dielectric  and Electrical properties of Epoxy Resin: Influence of Epoxide value and molecular weight.

Acta Polymerica (Germany ) 41 (1990) 51-53.

S. Swarup, S. Chandra, M. Zulfequar & A. Kumar

 

13.       Dielectric Behaviour  of Hot-Pressed AlN Ceramics: Exposed Inorganic acid Vapour.

J. Mater. Sci.(UK)(1990) 2861-2865.

            K. K.  Srivastava, M. Zulfequar & A. Kumar

 

14.       Electrical conductivity and Thermoelectric Power of  a-Se70-xTe20Inx.

Solid State Communication (UK) 79 (8) (1991) 699-702.

M.Manzar Malik,  M.Zulfequar & M.Husain

 

15.       Electrical Conductivity of a-Ga30Se70-xMx.

            Physics Letters A (USA) 158 475 (1991)

            M. Manzar Malik, M. Zulfequar & M. Husain

 

16.       Effect of Indium impurity on the electrical properties of a-Ga30Se70-xInx.

            J. Physics; Condensed Matter (UK) 4 8331 (1992).

            M. Manzar Malik, M. Zulfequar, Arvind Kumar & M. Husain

 

17.       Electrical Conduction Mechanism in a-Se80-xGa20Tex  Films.

            J. Physics; Condensed Matter (U.K.) 7 (1995) 8979-91

            Zishan H. Khan, M. Manzar Malik, M. Zulfequar & M. Husain

 

18.       Optical Properties of a-Se80-xGa20Sbx  Thin Films.

            J.  Optical Materials (USA) 6 139 (1996).

            Zishan H. Khan, M. Zulfequar, T. P. Sharma & M. Husain

 

19.       Optical Properties of a-Se80-xGa20Bix  Thin Films.

            J. Modern Optics (UK) 44 55-68 (1997)

            Zishan H. Khan, M. Zulfequar & M. Husain

 

20.       Electrical Transport Properties of Thin Films of a-Se80-xGa20Bix.

            Materials Science & Technology (UK) 13  No. 6 484-489  (1997)

            Zishan H. Khan, M. Zulfequar, M. Manzar Malik & M. Husain

 

21.       Optical Properties of a-Se80-xGa20Tex Thin Films.

            J.  Optics (UK) 28 (1997) 151-157

            Zishan H. Khan, M. Zulfequar & M. Husain

 

22.       Effect on Sb on Transport Properties of  a-Se80-xGa20Sbx Thin Films.

            Jap. J. Applied Physics (Japan) 37 (1998) 23-28

            Zishan H. Khan, M. Zulfequar, M. Manzar Malik and M. Husain

 

23.       Optical band gap and optical constants in a-GaxTe100-x thin films.

M. Ilyas, M. Zulfequar, Zishan H. Khan and M. Husain.

            J. Optical Materials  (USA) 11 (1998) 67-77

 

24.       Dielectric Properties of a-GaxSe100-x alloys.

M. Ilyas, M. Zulfequar, Zishan H. Khan and M. Husain.

Physica B (The Netherland),  254 (1998) 57-69

 

25.              Optical Properties of a-(Se70Te30)100-x(Se98Bi2)x Thin Films.

            J. Optical Materials  (USA), 13(2000)397-404

            M. Ilyas, M. Zulfequar & M. Husain

 26.              Anomalous Dielectric behavior in a-GaxTe100-x alloys.

Physica B (The Netherlands),  271 (1999) 125-135.

M. Ilyas, M. Zulfequar & M. Husain

 

27.      Optical investigation of a-Se80-xGa20Bix  Thin Films.

            J. Modern Optics (UK)  (1999) –Accepted

            M. Ilyas, M. Zulfequar & M. Husain

 

 

 

WORKSHOPS/CONFERENCES

 

1.         Dielectric relation in hot pressed AIN.

M. Zulfequar & A. Kumar

Solid State  Physics Symposium (DAE), Pantnagar 29C (1986) 218.

 2.                  Effect of CaO Additive on dielectric behaviour  of hot pressed AlN ceramic. 

            M. Zulfequar & A. Kumar

            Solid State Physics Symposium (DAE), BARC , 30C   (1987) 346.

 

3.         Dielectric behavior  of hot pressed AIN Ceramics.

            M. Zulfequar & A. Kumar

            VI International Workshop on Physics of Matters, Jamia Millia Islamia ,  

New Delhi (2rd Nov. to 5th  Dec 1987) , (Advances on Physics of Materials , 1989 , 139-150).

 

4.                  Electrical Conductivity and dielectric behaviour  of hot pressed AIN

            Ceramic: .  Effect of CaO additives.

            K.K. Srivastava, M. Zulfequar & A. Kumar

            Solid State  Physics Symposium (DAE), Bhopal, 31C ,(1988 ) 82.

 

 5.        Experimental Studies of ZnxCa 1-xFe2O4.

            M. Zulfequar, R.C Srivastava , P. Chand , & D.C Khan

            National Workshop on High Tc superconductors  (Oct. 03 – 05,1989).                                         

            IIT, Kanpur.

 

6.                  Study of Dielectric Behaviour of Ester gum resin solutions: Concentration dependence.

M. Zulfequar and S. Swarup .

Solid State  Physics Symposium (DAE), IIT, Madras, 32C (1989)283.

 

7.                  Structural and Electrical Studies in Glassy Semiconducting Se80Te20  and 

a-Se80-xTe20Inx system.

M. Husain, M. Zulfequar, M.M. Malik  and K.S. Srivastava.

National Seminar on Solid State Chemistry and Allied Areas, Nagpur 1991.

 

8.                  Dielectric Studies in Resin Solution : effect of entanglement and chain 

            structure.

            M. Zulfequar, K.K. Srivastava, S. Swarup and A. Kumar

            Solid State  Physics Symposium,  Chandigarh, Dec.1990, page 340.

 

  

9.                  Electrical and Dielectric behaviour  of hot pressed AIN Ceramic:  Effect

            of porosity.

International Nathiagali Summer College on Physics and Contemporary 

Needs, Islamabad (Pakistan ), 04-18  July 1991.

 

10.              Participated in International Congress on Ultrasonics, ICU, National                 

            Physics Laboratory, New Delhi, 12-14 Dec, 1990.

 

11.              Participated in Second National  Conference on  Disordered Materials,

           Department of Physics,  Jamia Millia Islamia, New Delhi, Feb. 25-26, 

           1991.

 

12.              Participated in National Seminar on Advances in Physics of Materials, Department of Physics , Harcourt Butler Technological Institute, Kanpur, 21- 23 Dec. 1991 . 

 13.              Participated in ‘Research Workshop on Condensed Matter Physics’ International

         Center for Theoretical Physics, Trieste, Italy , 21-30 Aug. 1993

 

14.              Participated in “Workshop on Material Science and Physics of Non- Conventional Energy Sources”. International Center for Theoretical Physics, Trieste, Italy , 30 Aug.- Sep.17, 1993.

 

15.              Participated in Indo-Italian Workshop on Renewable energy Technology, IIT, New Delhi, April. 20- 22, 1994.

 

16.              Participated in Indo-Italian Workshop on Synchrotron Radiation Applications, IIT, New Delhi, Feb. 17- 19, 1995.

 

17.              Participated in Orientation Program organized by IGNOU, New Delhi,

            Sept. 29-30, 1995.

 

18.              Participated in “Workshop on Physics Laboratory Education”, At IUC,   

            DAFE, Indore, (Nov. 06-24, 1995)

 

19.              Visited International Center For Theoretical Physics, Italy , as an Affiliate to carry out Research in condensed Matter Physics, 17 Nov.-13 Dec.1996.

 

20.              Optical Properties of a-Se80-xGa20Tex   Thin Films.

3rd International Conference and Intensive Tutorial Course on Semiconductor Materials & Technology, Department of Electronic Sciences, South Campus, University of Delhi, Delhi, Dec. 19-21, 1996.

 

21.              Participated in National Seminar on Recent Trend in Nuclear, Particle and

            Condensed Matter Physics,  Department of Physics, Jamia Millia Islamia, 

            New Delhi, March 06-07, 1997.

 

22.              Participated in the National Seminar on Materials Research and  Environmental Issues, Department of Physics, Jamia Millia Islamia, New  

            Delhi, Oct. 23, 1997.

 

23.       (i). Calculation of Number of Electrons Participating in Plasmon Oscillations Using Chemical Shift of the X-ray Absorption Edges Data.

            (ii).  X-ray K-absorption edge of Glassy Semiconducting Ga-Se Alloys.

            VIth National Seminar on X-ray Spectroscopy and allied Areas, Govt. P.G. Arts and Science College, Ratlam (MP) (Nov. 17-19, 1997).

 

24.       (i).   Compositional dependence optical studies of a-Se-Ga-Sb thin films.

            (ii).  Thermal Studies of a- Se80-xGa20Tex Thin Film.

(iii). Electrical and Dielectric Studies of a- GaxSe100-x Alloys.

            International Workshop on Physics of Semiconductors Devices, held at New Delhi (Dec. 16-21, 1997).

 

25.       Participated in the Seminar on Science & Technology in 21st century 

            (ST2000), jointly organised by Faculty of Engg. & Technology and Faculty of Natural Sciences, Jamia Millia Islamia, New Delhi (Feb. 25-26, 1998).

 

26.       Dielectric studies in a-(Se70Te30)100-x(Se98Bi2)x system

Regional Workshop on Characterization of semiconductor Nano- structures and their Applications to Opto-electronic Devices.(Dec.01-04,1998), Department of Electronic Sciences, University of Delhi (South Campus) New Delhi-110021.

27.              Estimation of Density of States of a-Ga-Se Alloy.

Presented in National Seminar on Physics of Materials for Electronic and Optoelectronic Devices (March 08-10, 1999), Department of Physics, JNV University, Jodhpur.

 

28.            A study of the density of localized states in a-Se100-xBix . 

Presented in National Conference on Semiconductor Materials & Recent Technologies (Nov. 1 -3, 1999), Department of Physics, G.B.Pant University, Pantnagar.

 

29.       (i).  Crystallization Kinetics in a-Se100-xBix  Alloys (x=0,5 &10).

(ii). Electrical conductivity  and Determination of Density of States in a- (Ga5Se95)100-x Tex  Thin Films.

            International Workshop on Physics of Semiconductors Devices, held at New Delhi (Dec. 14-18, 1999).