BIO-DATA 1.Name : Prof.HEM CHANDRA GUPTA 2.Address (Office ...

BIO-DATA
1.Name : Prof.HEM CHANDRA GUPTA
2.Address (Office) : Professor of Physics
Indian Institute of Technology
Hauz Khas,New Delhi-110016
FAX:91-11-26581114,Mobile:9810100123
email:hcgupta@physics.iitd.ac.in
(Residence) : 107, DDA Site No.1
Shanker Road, New Rajendra Nagar
New Delhi-110060
3.Date of birth : 18.02.1952
4.Educational qualifications :
:-------------------------------------------------------------------:
:Qualifications: Name of the : Year : Class :Distin-: Award :
: : University : : /Div :ction : if any :
:-------------------------------------------------------------------:
: High School : U.P.Board : 1963 : I : Maths :69th position :
: : : : : : in order of :
: : : : : : merit :
: : : : : : :
: Intermediate : U.P.Board : 1965 : I : Phys. :19th position :
: : : : :Chem.& : in order of :
: : : : :Maths. : merit :
: : : : : : :
: B.Sc. : Lucknow : 1967 : I : Phys. : 1st position :
: : University : : : Chem.&: in order of :
: : : : :Maths. : merit :
: : : : : :Awarded gold :
: : : : : : medal :
: : : : : : :
: M.Sc. : Lucknow : 1969 : I :Physics: 1st position :
: : University : : : : in order of :
: : : : : : merit :
: : : : : :Awarded gold :
: : : : : : medal :
: Ph.D. : I.I.T. Delhi: 1972 :(Research experience since Aug:
: 1969 ; written one book and:
: one review article; edited one:
: book in Hindi; published one:
: hundred ninety one research :
: papers, Supervised twenty one:
: students for their Ph.D.degree:
: Co-investigater incharge of :
: eleven research projects). :
:-------------------------------------------------------------------:

5. Basic pay : Rs.65940/- + Rs.10500/-(Academic grade
pay)
6. Relevant experience :
(i) Employment details
:-------------------------------------------------------------------:
:Position held : Name of Organization : period : Nature :
: : :From to : of duties :
:-------------------------------------------------------------------:
: Lecturer :K.M.College, : Aug. April: Teaching, :
: :University of Delhi : 1971 1981 : research :
: : : : :
: Assistant : I.I.T. Delhi :April March: Teaching, :
: Professor : : 1981 1990 : research :
: :
: Director : NERIST,Itanagar :Feb. Sept.:Administration,:
: : :1999 1999 : research :
: Deputy : I.I.T. Delhi :April June :Administration,:
: Director(A): :2006 2009 : Teaching :
: : : : :
: Professor : I.I.T. Delhi :March Till : Teaching, :
: : :1990 Date : research :
:-------------------------------------------------------------------:
(ii) ADMINISTRATIVE EXPERIENCE
1. Warden, Karakoram Hostel, May 1983-Oct. 1988.
2. Secretary, GATE , IIT Delhi, 1988
3. Chairman, Mess Staff Welfare Cell, July 1984-Oct.1988.
4. Chairman, Mess Staff Retirement Benefit Fund Scheme, July 1984- Oct.
1988.
5. Coordinator, I-year Laboratory, Physics Department, I.I.T.
Delhi(April 1981-July 1986,July 1988-April 1989)
6. Coordinator for a course given to army personnel, going for a
training abroad, 1984-85.
7. Member, Organising committee, International conference on thin
films,ICTF-7,DEc.7-11,1987,New Delhi.
8. Member, Organising committee, International conference on
Semiconductors, New Delhi,Dec.13-21,1988.

9. Guest lecturer, Rajdhani college, Delhi University,1985-1986.
10. Guest lecturer, South Campus, Delhi University, 1984-2004.
11. Vice-Chairman GATE 1989
12. Consultant, Indira Gandhi National Open University ,
(Nov.1988 - Oct.1989)
13. Vice-chairman, GATE,1990
14. Member, Governing Body, Delhi College of Arts and Commerce,
University of Delhi(Sept.1990-Aug.1991)
15. Associate Dean of Students,I.I.T.Delhi,Sept.1991.- July 1994
16. Chairman, Canteen Cell, BHM, I.I.T.Delhi, Sept.1991- Aug. 1994
17. Chairman, Recruitment, Promotion and Transfer Cell, BHM, I.I.T.
Delhi, Sept.1991- Aug.1994.
18. Chairman, Supplies Finalisation Cell, BHM , I.I.T. Delhi,
Sept.1991 - Aug.1994.
19. Member, Standing Consultative Committee on Community Issues,
I.I.T.Delhi,Sept.1991- Sept.1997.
20. Warden, Nalanda Hostel, I.I.T.Delhi, Sept.1991- Aug.1994.
21. Member, Governing Body, Kendriya Vidyalaya, I.N.A., New
Delhi.(1991-92)
22. Member, Governing Body, Women College ,University of Delhi , (1994-
1997)
23. Member, Convocation Committee, I.I.T.Delhi, Sept.1994- Sept.1997.
24. Member , Security Advisory Committee, I.I.T. Delhi ,
Sept.1994 - Sept.1997.
25. Chairman,Staff Canteen,I.I.T.Delhi,Sept.1995-Sept.1997.
26. Member, Commercial Establishment and Marketing Committee, I.I.T.
Delhi, Sept.1994- Sept.1997.
27. Member, Management Committee of the Benevelont Fund Scheme,
I.I.T. Delhi , Sept.1994- Sept.1997.

28. Member,Hospital Advisory Committee,I.I.T.Delhi,Sept.1994-Sept.1997.
29. Member, Commercial Establishment Licensing Committee, I.I.T.
Delhi,Sept.1994- Sept.1997.
30. Chairman , Board of Hostel Management, I.I.T. Delhi,
Sept.1994- Sept.1997.
31. Vice-Chairman, Student Affairs Council, I.I.T. Delhi, Sept. 1994
-Sept.1997.
32. Dean of Students, I.I.T. Delhi, July 1994.- Sept.1997.
33. Chairman, Institute Grievance Committee, Oct.1998-Feb.!999.
34. Director, North Eastern Regional Institute of Science and
Technology, Feb.1999-Sept.1999.
35. Member, Governing body, B.N.College for women, University of Delhi,
1997-2000.
36. Member, Governing body, Kamala Nehru College, University of Delhi,
1999-2000.
37. Member, Governing body, College of Applied Sciences for Women,
University of Delhi, 1999-2000.
38. Chairman, Joint Management Entrance Test, JMET, 2000
39. Chairman, Graduate Aptitude Test in Engineering, GATE 2001.
40. Member, Organising Committee, MMTA 2002.
41. Member, Organising Committee, Indo-Japan Academic and Educational
Conference, November 6-8, 2002, New Delhi
42. Member, Organising Committee, National Workshop on Microwave
Applications,December 3,2002, New Delhi
43. Delivered a series of special lectures in Mathematics at Indian
Institute of Information Technology and Management, Gwalior, 1999-
2006.
44. Treasurer, Microwave Applications Society of India, Since 2002.
45. Member, Organising Committee, Asia Pacific Microwave Conference,
2004.

46. Member, Standing Consultative Committee on Community issues, April
2006 - June 2009.
47. Member, Space Allocation Committee, April 2006 - June 2009.
48. Member, Standing Committee for Convocation, April 2006 - June 2009.
49. Chairman, Security Advisory Committee, April 2006 - June 2009.
50. Chairman, Disaster Management Committee, April 2006 - June 2009.
51. Chairman,Institute Level Network Committee, April 2006 - June 2009.
52. Deputy Director, IIT Delhi, April 2006 - June 2009
53. Member, Finance Committee, IIT Delhi, January 2010-
54. Member, Board of Governors, IIT Delhi, January 2010-
(iii) Award/ other recognition received:
:-------------------------------------------------------------------:
:Name of award Conferring Agency Year :
:------------------------------------------------------------------:
:Junior Associateship I.C.T.P. Trieste,Italy 1st Jan. 1980- :
: 31st Dec. 1983 :
: :
:Fulbright Fellowship USEFI 16th April 1986:
: 15th July 1986 :
: :
:South-South Fellowship T.W.A.S. Trieste,Italy 1st Apr.1991- :
: 25thMay,1991 :
:-------------------------------------------------------------------:
(iv) VISITS ABROAD
1. Attended Spring College on Physics of Polymers, Liquid Crystals
and Low Dimensional Solids at I.C.T.P. Trieste, Italy from 9th April to
20th June 1980.
2. Attended Third International Conference on Graphite
Intercalation Compounds, Pont a Mousson, France (23-27 May,1983).
3. Seminar at Universite Louis Pasteur, Strasbourg, France (1 st June,
1983).

4. Attended condensed matter research workshop at I.C.T.P. Trieste,
Italy (2nd June-15th July, 1983).
5. Visited Laboratoire de Physique des Solids, Universite Pierre et
Marie Curie, Paris, France (18th June-1st July 1984).
6. Attended International Carbon Conference,Bordeaux, France (2nd July
-6th July, 1984).
7. Visiting Assistant Professor, Physics Department,
Michigan State University, East Lansing, U.S.A. (16 th April-15 th
July 1986).
8. Attended Research workshop in condensed matter, atomic and
molecular Physics, I.C.T.P.Trieste, Italy (11th-29th August 1986).
9. Attended Research workshop on `Total Energy and Force Methods'
I.C.T.P. Trieste,Italy (20th Jan.-8th Feb.,1987).
10. Invited to deliver lectures in winter school of
Theoretical Physics on `Physics of Phonons', University of Wroclaw,
Poland (16th -28th Feb., 1987).
11. Attended Spring College in Material Science on Metallic Materials,
I.C.T.P. Trieste, Italy (11 th May - 19th June 1987).
12. Visiting Associate Professor, Physics Department, Michigan State
University, East Lansing,U.S.A.,23April-22July 1988.
13. Attended Fifth International Symposium on Graphite
Intercalation Compounds ISGIC-5,West Berlin,21-25 May 1989
14. Lectured at I.C.T.P.Trieste,Italy,26 May-9 June 1989
15. Attended the Third International Conference on Phonon Physics,
PHONONS 89,Heidelberg,Germany,21-25 Aug.1989.
16. Lectured in the Fifth Petra School of Physics,Amman,Jordan, 3-10
Sept.1989.
17. Attended the 2nd ISSP International Symposium on Physics and
Chemistry of Oxide Superconductor,PCOS'91,Tokyo,16-18 Jan. 1991.
18. Visiting Professor, UNICAMP, Campinas,Brasil, 1 April- 25 May,1991
19. Attended 6th International Symposium on Intercalation
Compounds,ISIC 6,27-31 May,1991,Orleans,France.

20. Visited I.C.T.P.,Trieste,Italy,1-15 June 1991.
21. Attended Toshiba School of Superconductivity, Kyoto, Japan,
13-21 July 1991.
22. Attended M2S-HTSC conference,22-26 July,1991,Kanazawa, Japan.
23. Chaired one session on High temperature superconductors and
presented a paper in 5th Asia Pacific Physics Conference, Kuala
Lumpur, Malaysia, 10-15 Aug.1992.
24. Visited under DAAD exchange program Universitat
Gesamthochschule Siegen from 29th Sept. to 15th Dec.1992.
25. Attended 7th International Symposium on Intercalation compounds,
Louvain-le-Neuve,Belgium, May 10-14,1993.
26. Visited and gave a Colloquim at Universitat
Gesamthochschule Siegen, Germany,May 15-17,1993.
27. Visited I.C.T.P.,Trieste,Italy,May 18-25,1993.
28. Visiting Professor, Universitat Gesamthochschule Siegen, Germany,
April 10 -July 7, 1995.
29. Visiting Faculty, George August Universitat, Goettingen, Germany,
May 3- July 4,1997.
30. Attended 9th International Symposium on Intercalation Compounds,
Arcachon, France, May 25-29,1997.
31. Visited Ecole Polytechnique Federale de Laussane, Switzerland as
Academic guest from 1 May 1999 to 30 June, 1999.
32. Visited LEPMI, INPG, Grenoble, France as Visiting Professor from 1
Dec.1999 to 25 Dec.1999.
33. Visited LEPMI, INPG, Grenoble, France as Visiting Professor from
1 May 2000 to 30 June 2000.
34. Attended Spring College on Electronic Materials, ICTP, Trieste,
Italy from 21 May 2000 to 29 May 2000.
35. Visited Gesamthochschule, Universitat Siegen, Germany as Visiting
Professor from 1 June 2001 to 31 July 2001.

36. Attended 12th International Symposium on Intercalation Compounds,
June 1-5,2003, Poznan, Poland
37. Visited I.C.T.P.Trieste, Italy from 6 June-5 July, 2003 as Visiting
Scientist
38. Attended 12 th International conference on Solid Surfaces, June 28 –
July 2, 2004, Venice, Italy
39. Visited I.C.T.P.Trieste, Italy from 2 July-18 July, 2004 as Visiting
Scientist
40. Attended 5 th International conference on Inorganic Materials, Sept.
23-26,2006, Ljubljana, Slovenia.
41. Visited I.C.T.P.Trieste, Italy from 26 Sept.-2 October, 2006 as
Visiting Scientist
42. Visited I.C.T.P.Trieste, Italy from 4 July-10 July, 2007 as Visiting
Scientist
43. Attended PHONONS 2007, July 11-15,2007, Paris, France.
44. Attended PHONONS2010, April 18-23, 2010, Taipei, Taiwan
(v) List of Research Publications
1. Pseudopotential and the phonon dispersion in aluminium, Phys. Rev.
B2, 248 (1970).
2. Pseudopotential calculation of the phonon frequencies of the simple
metals, J. Chem. Phys. 54, 435 (1971).
3. Lattice dynamics of lithium using a pseudopotential approach, J.
Phys. F.1,12 (1971).
4. Pseudopotential calculation of the electrical properties of liquid
metals, J. Chem. Phys. 54, 1883 (1971).
5. Pseudopotential calculation of the spin susceptibility and the
Gruneisen parameters of alkali metals, Phys. Rev. B3,2087 (1971).
6. Lattice dynamics of lead: A pseudopotential approach, Physica Status
Solidi. 45, 235 (1971).
7. Lattice dynamics of lead: An elastic force model approach,
Physica Status Solidi.45, 537 (1971).

8. Lattice dynamics of potassium using a pseudopotential
approach, Ind. J. Pure App. Phys. 9, 781 (1971).
9. Phonon dispersion and the specific heat of silver and gold, Ind.
J. Pure App. Phys. 9, 1034 (1971).
10. A model potential for semiconductors, Phys. Lett. 36A,65(1971).
11. Pseudopotential calculation of the superconducting
transition temperature of simple metals, Ind. J. Pure App. Phys. 10,
506 (1972).
12. Pseudopotential calculation of the effective ion-ion
potential for simple metals, Physica 58, 138 (1972).
13. Noncentral forces in the lattice dynamics of transition
metals, J. Phys. F.2, 426 (1972).
14. Electronic band structure of aluminium, lead, lithium,sodium
and potassium, Ind. J. Pure App. Phys. 10, 760 (1972).
15. Pressure dependence of superconducting transition
temperature of simple metals, Ind. J. Phys. 47,380 (1973).
16. Phonon dispersion in Scandium, Phys. Lett. 43A, 365 (1973).
17. Angular forces in the lattice dynamics of diamond crystal
lattices, J. Phys. Chem. Solids 34, 186 (1973).
18. Lattice dynamics of hexagonal close packed metals, J. Phys. Soc.
Japan 34, 1006 (1973).
19. Resistivity and thermoelectric power of molton semi-
conductors, J. Phys. Chem. Solids. 35, 595 (1974).
20. A model pseudopotential for noble metals, Solid State Comm. 17,
291 (1975).
21. Thermoelecric power of liquid noble metals, Sol. State Comm. 17,
773 (1975).
22. Lattice dynamics of gold: A pseudopotential approach, Phys. Lett.
53A, 217 (1975).
23. Lattice dynamics of lithium: A Pseudopotential approach,Phys.
Lett. 53A, 229 (1975).

24. A pseudopotential calculation on thermal properties of
copper, Nuovo Cimento 15, 146 (1976).
25. Electronic properties of Noble metals, Physica 84B, 236 (1976).
26. Thermal properties of silver and gold, Ind.J. Pure App. Phys.
14, 430 (1976).
27. A Model Pseudopotential for transition metals, J. Phys. Soc.Japan
41, 1237 (1976).
28.A method for the calculations of the characteristics
impedence of microstrip, Int. J. Electronics,40, 45 (1976).
29.Losses in microstrip resonator,Int. J. Electronics, 41, 55(1976).
30.The characteristic impedence of coupled microstrip lines , Int. J.
Electronics 40, 341 (1976).
31.Study of gap in microstrip transmission line, Int. J.
Electronics 40, 341 (1976).
32.Study of an impedance step in microstip line, Int. J.
Electronics 43, 73 (1977).
33. Angular forces in the lattice dynamics of b.c.c.
metals, Solid State Comm. 23, 799 (1977).
34. Lattice dynamics of Noble metals using a pseudopotential
approach, Nuovo Cimento 41B, 7 (1977).
35. Phonon dispersion in thorium: A pseudopotential approach , Phys.
Lett. 64A, 333 (1977).
36. Phonon dispersion in silver, Phys. Lett. 74A, 139 (1979).
37. Equivalence of the angular forces in the lattice dynamics of f.c.c.
metals, Phys. Lett. 75A, 511 (1980).
38. Angular forces in the lattice dynamics of ideal h.c.p.
Lattices, Nuovo Cimento 28, 545 (1980).
39. Phonon anomalies in nickel, palladium and platinum using the model
potential approach, Phys. Lett. 79A, 342 (1980).
40. On the lattice dynamics of potassium halides, J. Phys. Soc. Japan
49, 833 (1981).

41. Lattice vibrations of wurtzite structure, Ind. J. Pure App. Phys.
19, 316 (1981).
42. Lattice dynamics of Tantalum: A pseudopotential approach,Nuovo
Cimento 64B, 498 (1981).
43. Phonon anomalies in transition metals, Phys. Stat. Solidi,108b,
K113 (1981).
44. Phonon anomalies in Niobium using a model potential
approach, J. Phys. Soc. Japan 51, 111 (1981).
45. Long-time behaviour of displacement fluctuations in the
Sine-gorden chain, Phys. Lett. 86A, 5 (1981).
46.Scaling function for the conductance,J. Phys. C. 15, L 637(1982).
47. Effect of polarizability in the phonon spectrum of
zincblende compounds, Phys. Stat. Solidi 114, K11 (1982).
48. Theory of interionic forces in alkali halide crystals, Phys. Stat.
Solidi 113, 339 (1982).
49. A lattice dynamical calculation of the phonon dispersion in sodium
halide crystals, Ind. J. Pure App. Phys. 20, 777 (1982).
50. Phonon dispersion in narrow-gap semiconducting mixed
crystals, J. Phys. Chem. Solids 44, 175 (1983).
51. A study of the phonon frequncies of narrow gap
semiconducting mixed crystal Pb0.8Sn0.2Se, J. Chem.Phys.78,6335 (1983).
52. Effect of non-randomness on the phonons in mixed InP1-xAsx,J. Chem.
Phys. 79, 1416 (1983).
53. Thermal properties of narrow-gap semiconducting mixed
crystals GexSn1-xTe, Phys. Rev. B27, 7636 (1983).
54. Phonon dispersion relations of graphite and first stage alkali
metal graphite intercalation compounds, Synthetic Metals 7, 347
(1983).
55. Effect of nonrandomness on long-wavelength optical phonons in
ZnS1-xSex , Phys. Rev. B28, 7191 (1983).
56. Thermoelectric power of III-V ternary mixed crystals, J. Phys.
Soc. Japan 52, 4283 (1983).

57. Two mode behaviour of mixed crystals, Phys. Rev. B28, 7390(1983).
58. Lattice dynamics of calcium and ytterbium using a model
potential approach, Phys. Rev. B29, 3708 (1984).
59. Phonons in mixed Ga1-xAlxSb crystal, Physica 124B,225(1984).
60. Phonon anomalies in h.c.p. transition metals using a model
potential approach, Can. J. Phys. 62, 845 (1984).
61. Local mode behaviour in KxRb1-x ,Solid State Comm.51,41(1984).
62. Phonon dispersion in dilute Cr-W alloys, Physica 125B, 293(1984).
63. Phonon dispersion relations of second and third stage alkali metal
graphite intercalation compounds, CARBONE 84, 294 (Proceedings of
the International Carbon Conference, July 2- 6 ' 84, Bordeaux, France).
64. Force constant variation from crystalline to amorphous
germanium, Solid State Comm. 52, 359 (1984).
65. Phonon spectrum in first stage graphite-lithium
intercalation compound, Carbon 23, 163 (1985).
66. Phonon dispersion relations in iron based f.c.c. alloys J. Phys.
F 15, 1895 (1985).
67. Non linear dependence of temperature coefficient of
electrical resistivity on electron-phonon interaction constant
in the case of transition metal amorphous alloys, Phys. Stat. Solidi
128b, K183 (1985).
68. Phonon dispersion relations in In-Tl alloy, Solid State Comm.
56, 519 (1985).
69. Thermoelectric power of liquid noble and transition metals, Acta
Cienc.Indica Phys.11,1(1985)
70. Phonon dispersion in graphite using a two-body potential
approach, Solid State Comm. 57, 263 (1986).
71. Phonon softening in the ternary graphite intercalation
compound K1-xRbxC8 , Carbon 24, 513 (1986).
72. Phonon density of states in amorphous Si0.5Ge0.5 , Physica Status
Solidi 134, 17 (1986).

73. Thermal properties of Ta-W alloys, J. Phys. Soc. Japan 55,554(1986).
74. The width of scattering resonance and the electrical
transport properties in partially filled d-band trasition metals,
Phys. Stat. Solidi 133, K73 (1986).
75. Composition dependence of the electrical transport properties of
amorphous transition-metal alloys, Il Nuovo Cimento D7, 212 (1986).
76. Model potential approach to the lattice dynamics of barium, Phys.
Rev. B33, 5839 (1986).
77. Lattice dynamical model for graphite and its alkali metal
intercalation compounds, Phys. Rev. B33, 7285 (1986).
78. Phonon dispersion relation of disordered Fe-Al alloy, Phys. Stat.
Solidi 136b, 453 (1986).
79. Optical phonon frequencies in the quaternary CdTe1-x-ySexSy mixed
system, Phys. Rev. B34, 2903 (1986).
80. Phonon density of states of amorphous SixC1-x , J. Phys. Chem.
Solids 48, 297 (1986).
81. Phonons in graphite and LiC6, Mat. Science and Engg. 85,187(1987)
82. Four mode behaviour in In1-xGaxAsyP1-y Quaternary alloy, J.
Material Research 2,382(1987).
83. Phonon dispersion relations of the A15 compounds Nb3Sb , J.
Phys. Chem.Solids 48, 743 (1987).
84. Lattice dynamics of PbxCd1-xF2 mixed superionic crystals, Solid
State Comm. 62, 777 (1987).
85. Lattice dynamics of b.c.c. Sr, A Pseudopotential approach,Phys.
Stat. Solidi 141b, K97 (1987).
86. On the scaling theory for frequency dependent
conductivity in disordered electronic systems, J. Non Cryst.
Solids 89, 249 (1987).
87. Zone centre phonons in high Tc Ba2YCu3O7 , Solid State Comm.
65,495(1988)
88. Study of the interatomic forces in the A-15 superconducting
compounds, Physica 150B,297 (1988).

89. Optical phonons in mixed layer crystals of the series
SnSxSe2-x (0

106. Study of interaction forces and phonons in some spinels and those
mixed systems,Physica 167B,175(1990)
107. Effect of angular forces in the lattice dynamics of layered
compounds SnSe2 and SnS2,Ind.J.Pure & App.Phys.29,762(1991)
108.Electron-phonon interaction for an analytic solution to the BCS
equation for the high temperature superconductors, Mod. Phys. Lett.
B5,1349(1991)
109.Phonons in high Tc superconductor Nd2-xCexCuO4 , Physica C
185-189,1689(1991)
110.Phonons in high Tc superconductor Nd2-xCexCuO4 , Physics and
Chemistry of Oxide Superconductors, edited by Y.Iye and
H.Yasuoka, Springer-Verlag,229(1992)
111.Phonons in graphite-alkali intercalation compounds,
Intercalation Compounds,edited by D.Tchoubar and J.Conard, Trans-Tech
Publications,Switzerland,Materials Science Forum 91-93,325(1992)
112.Zone centre phonons in spinel structure compounds, J.
Phys. Chem. Solids 53,775(1992)
113.Zone centre phonon frequency calculation of spinel structure
compounds MnCr2S4 and FeCr2S4,Phys.Stat.Sol.169b,K65,(1992)
114.Analytic solution to the BCS equation for the superconducting
transition temperature,Solid State Comm.82,559(1992)
115.Model potential approach to the lattice dynamics of the bcc phase
of Ti,Zr and Hf,Ind.J.Pure & App.Phys.30,409(1992)
116.Electron-phonon interaction for superconductors, 5th Asia
Pacific Physics Conference,Kuala Lumpur,Malaysia, 10-15 Aug. 1992
117.Lattice dynamics of oxide spinel ZnCr2O4 , J. Solid State
Chemistry 102,312(1993)
118.Electron-phonon interaction, superconducting transition temperature
and energy gap of Rb3C60 ,Physica C206,217(1993)
119.Model potential approach to the lattice dynamics of -iron, Phys.
Stat. Solidi(b) 176,K9(1993)
120.Electron-phonon interaction,superconducting transition temperature
and energy gap of alkali intercalated fullerenes, 7 th International

Symposium on Intercalation compounds,Louvain-le-Neuve,May 10-14,1993.
121.A study of the interatomic interaction in oxide spinel MnCr2O4
, Physica B 192,343(1993)
122.Effect of angular forces on the phonons in defect
chalcopyrite CdGa2S4 ,J.Solid State Chem.110,185(1994)
123.Lattice vibration spectra LXXX. Normal coordinate analyses and
lattice dynamical calculations of spinel type 6 Li2ZnCl4 and 6.94 Li2ZnCl4
,J.Phys.Chem.Solids 55,287(1994).
124.Lattice dynamics of muscovite layered silicates, Phys.Stat.
Solidi, 185B,117(1994)
125.Electron-phonon interaction, superconducting transition temperature
and energy gap of alkali intercalated fullerenes, Physica C
235-240,2497(1994)
126.Lattice dynamics of inverse spinel structure sulphides, J. Phys.
Soc. Japan 64,4655(1995)
127.Effect of interatomic interactions on the phonon frequencies of
layered aluminosilicate compounds, Physica B 210,91(1995)
128.Lattice vibrations in mixed spinel systems, Ind. J. Pure App. Phys.
33,109(1995)
129.Vibrational analysis of zone centre phonons in sulfospinels AgIn5S8
and CuIn5S8, Phys.Stat.Solidi 187b,K33(1995)
130.Lattice dynamics of superionic cerium dioxide, Phys. Stat. Solidi
191b,101(1995)
131.Effect of rattling on the interatomic interaction in oxide
spinels MgAl2O4 and ZnGa2O4 ,Phys.Stat.Solidi 190b,K27 (1995)
132.Lattice vibration spectra LXXXVIII, Lattice dynamics of
Suzuki-type Li6M II Cl8 (M II =Fe,Co,Ni), J. Solid State Chem.124,162(1996)
133.A lattice dynamical investigation for the zone-centre phonon
frequencies of the NaMnF3 perovskite, J.Phys. Chem.Solids
57,1857(1996)
134.Phonons in NaMnF3 perovskite using a rigid ion model, Physica
B229,416(1997)

135.Lattice dynamical calculation of deficient NaCl superstructure-type
Li2CoCl4 and Li2MnBr4 ,J.Phys.Chem.Solids 58,173(1997)
136.Lattice dynamics of superconducting oxide spinel LiTi2O4 ,Physica
B233,213(1997)
137.In plane structure of AlCl3 graphite intercalation compound based
on the phonons using an angular force model approach, 9th
International Conference on Intercalation Compounds, Arcachon,
France 25-29 May(1997)
138.Effect of electrostatic interaction and its relation to lithium
intercalation in LiTi2O4 spinel oxides, Mol.Crys.Liq.Crys.311,89 (1998)
139.Effect of angular forces on the phonons in LuNi2B2C, Physica C
295,287(1998)
140.Photonic band gap in one-dimensional graded dielectric structures,
PHOTONICS 98, International Conference on Fibre Optics and Photonics,
880(1998)
141.Lattice dynamics of orthorhombic perovskite YMnO3, Physica B
262,1(1999)
142.A lattice dynamical investigation of the phonon frequencies of the
BaCeO3 perovskite, J.Raman Spectroscopy 30,65(1999).
143.A lattice dynamical investigation of the phonon frequencies of the
CaGeO3 perovskite, J.Raman Spectroscopy 30,493(1999).
144.Zone centre phonons of orthorhombic perovskite YAlO3, J.Solid State
Chemistry 146,287(1999).
145.Zone center wavenumbers of the orthorhombic LaGaO3 perovskite, J.
Raman Spectroscopy 31,877(2000).
146.Zone center frequencies of tetragonal CdAl2Se4, J. Solid State
Chemistry 153,317(2000).
147.Zone center wave numbers of the tetragonal CdAl2S4 and CdAl2Se4, J.
Raman Spectroscopy 31,949(2000).
148.Zone center frequencies of superconducting oxide spinels, Phys.
Stat. Solidi 221,689(2000).
149.Raman spectroscopy and lattice dynamical calculation: Contributions
to symmetry determination of zone center phonons in tetragonal ZrO2,

ICORS(2000).
150.Zone center phonon frequencies in tetragonal zirconia: Lattice
dynamical study and new assignment proposition, J.Phys. Chem. Solids
62,873(2001).
151.A lattice dynamical investigation of the zone center frequencies of
the orthorhombic NdGaO3 perovskite, J.Phys. Chem. Solids 62,1003(2001).
152.A lattice dynamical investigation of the zone center wave numbers of
the cubic A2Ti2O7 pyrochlores, J.Raman Spectroscopy 32,41(2001).
153.Force constant calculation from Raman Spectra in the three low
temperature phases of BaCeO3, J.Raman Spectroscopy 32,331(2001)
154.A lattice dynamical investigation of the Raman and the infrared
frequencies of the cubic A2Sn2O7 pyrochlores, J.Inorganic Materials
3,983(2001)
155.A lattice dynamical investigation of the Raman and the infrared
frequencies of the cubic A2Hf2O7 pyrochlores, J.Phys.Chem.Solids
63,535(2002)
156. A lattice dynamical investigation of the Raman and the infrared
wavenumbers at the zone center of the orthorhombic RFeO3( R=
Tb,Dy,Ho,Er,Tm) perovskite, J.Raman Spectroscopy 33,67(2002)
157.Study of zone center phonons in lithium manganese oxide, Physica
B316-317,166(2002)
158.Experimental findings of Photonic band gap with periodic metallic
structures on dielectric substrate in Microwave region, Microwave
Measurement Techniques and Applications, Edited by J.Behari, Anamaga
Publications 1(2002).
159.Photonic band gap studies on periodic metallic structures in
microwave region, Microwave and Optical Technology Letters 35,483(2002)
160.A lattice dynamical investigation of Raman and infrared wavenumbers
at the zone centers of the orthorhombic NdNiO3 perovskite, J.Phys. Chem.
Solids 64,531(2003)
161.Vibrational spectra and force field calculation of A2Mn2O7 ( A=Y, Dy,
Er, Yb) pyrochlores, J.Raman Spectroscopy 34,240(2003)
162.An analytical expression for Eg and Ag modes of pyrochlores,
J.Phys.Chem.Solids 64,2205(2003)

163.Zone center wavenumbers of tetragonal AGa2X4 ( A= Cd,Zn; X= S,Se),
J.Raman Spectroscopy 35,78(2004)
164.Lattice dynamical study of optical modes in Tl2Mn2O7 and In2Mn2O7
pyrochlores, Phys.Rev.B69,054434(2004)
165. Normal Coordinate Analysis of the Orthorhombic Trifluorides MF3 (
M= Gd,Tb,Er,Yb), J.Molecular Structure 706,85(2004)
166. Zone center phonons of the orthorhombic trifluorides MF3(M=Dy,Lu)
Physica B353,176(2004)
167.Effect of variation of dielectric constant of substrate on photonic
band gap in microwave region, Microwave and Optical Technology Letters
41,399(2004).
168.Electromagnetic Mode Density at the Band Edge of One Dimensional
Graded Periodic Dielectric Structure, International Journal of RF and
Microwave Computer Aided Engineering, 15,69(2005)
169. A lattice dynamical investigation of the Raman and the infrared
wavenumbers of the orthorhombic R2BaCuO5 (R=Y, Ho, Gd) oxides",Journal of
Raman Spectroscopy 36,83(2005)
170.Zone center frequencies of the orthorhombic NdMnO3 perovskite,
J.Phys.Chem.Solids 66,1314(2005)
171.Phonons at the Zone center for NaAlH4, J. Phys. Chem. Solids
67,2536(2006)
172.Raman and infrared phonons for � - NaAlH4 ,Fifth International
Conference on Inorganic Materials, September23-26,2006, Ljubljana,
Slovenia.
173.Photonic band gap crystals on magnetic dielectric for microwave
frequency applications, Proc. Of SPIE- The International Society for
Optical Engineering 6182,618227(2006)
174.Lattice dynamic investigation of the Raman and infrared wave-numbers
of orthorhombic R2BaNiO5 ( R=Y,Gd ) oxides in Immm structure, J. Raman
Spectroscopy 38,245(2007)
175.A lattice dynamical investigation of the Raman and the infrared
frequencies of the cubic Y2Ru2O7 pyrochlore, J.Phys.Chem.Solids 68,1293
(2007)

176.Lattice dynamics of tetragonal R2BaCuO5 (R=La,Nd) oxides in P4/mbm
structure, J.Raman Spectroscopy 38,885(2007)
177. Lattice dynamics of tetragonal Nd2BaZnO5 , J.Raman Spectroscopy
38,1554(2007)
178.Zone center phonons in lanthanum chromite, PHONONS2007, July 15-
20, 2007, Paris, France.
179. Interatomic forces in Pnma, Immm, P4/mbm and I4/mcm phase of
R2BaMO5(R= Yttrium or lanthanides, M=Ni,Cu or Zn), J. Physics, Conference
Series92,012163(2007).
180. Polarized Raman scattering and lattice eigenmodes of antiferromagnetic
NdFeO3, J.Raman Spectroscopy, 39,842(2008).
181. Zone center phonons of the orthorhombic RMnO3 (R = Pr, Eu, Tb, Dy,
Ho), PMC Physics B1,9(2008)
182. Lattice dynamics of Y2BaNiO5 using ab-initio approach, 21 st
International Conference on Raman Spectroscopy, Brunet University,
Uxbridge, London, August 17-22(2008)
183. Synthesis and characterization of polyaniline- ZnO composite and
its dielectric behaviour, Synthetic metals 159,391(2009)
184. Dielectric behaviour of polyaniline CNTs composite in microwave
region, Composite Science and Technology 69,1932(2009)
185. Dielectric properties of nano ZnO polyaniline composite in the
microwave frequency range, J.Alloys Compounds 477,370(2009)
186. A lattice dynamical investigation of the Raman and the infrared
frequencies of the Dy2Ti2O7 pyrochlore spin ice compound, J.Mol.Structure
937,136(2009)
187. A lattice dynamical investigation of the Raman and the infrared
wavenumbers of BaDy2/3W1/3O3, PHONONS2010, Taipei, Taiwan, April 18-23,
2010
188. Phonons at the zone center for NaGd(WO4)2, PHONONS 2010, Taipei,
Taiwan, April 18-23, 2010
189. A lattice dynamical investigation of the Raman and the infrared
wavenumbers of Ba2RESbO6(RE=Sm,Y), Physica B405,410(2010)

190. A Lattice Dynamical Investigation of the Raman and the Infrared
Wavenumbers of Sr2LnTaO6(Ln=Nd,Gd,Dy,Er,Yb), J.Mol.Structure
980,214(2010)
191. A lattice dynamical investigation of the Raman and the infrared
wavenumbers of SBT(SrBi2Ta2O9), J.Mol. Structure 984,204(2010)
(vi) REVIEW ARTICLE
1. "Phonons in graphite and its alkali intercalation compounds"
in the book entitled "Phonon Physics of condensed matter"(Wiley
Eastern Ltd.,p20,1990),edited by R.K.Singh and S.P.Sanyal.
(vii) BOOKS
1. Written : Solid State Physics , Published by Vikas Publishing
House, New Delhi.
2.Edited:Hindi translation of "Shock Waves and Man " by Prof. I.I.Glass.
(viii) RESEARCH PROJECTS SUPERVISION
1. Study of amorphous materials (DST, 1982-1985).
2. Study of layered materials and intercalates (DST, 1985-1989).
3. Study of the thermal and the electrical properties of mixed
crystals (CSIR, 1985-1989).
4. Phonons and electron-phonon coupling in high Tc
superconductors (CSIR,1989-1992)
5. Superconductivity (MHRD, 1988-1990)
6. Study of the thermal properties of Intercalated Clays,
(CSIR,1992-1995)
7. Phase transitions and polytypism in refractory compounds,
(DST,1997-2000)
8. Periodic dielectric structures for RF applications-PBG engineering,
(DST,1999-2003)
9. High Temperature Dielectric Studies of Advance Materials in High
Frequency Region, ( Indo-US Project, DST,2002-2006)

10. Fabrication and investigation of photonic crystals, ( MHRD, 2004-
2007 ).
11.Development of Soft magnetic materials by using microwave E/H field
seperation, (DRDO, June 2009- till date)
(ix) RESEARCH GUIDANCE
The following students have published their first research
papers/ worked with me for their Ph.D degree during my stay at K.
M. College, University of Delhi, Delhi.
1. Dr. Gautam Bose(1973,Supervisor: Prof. B.B.Tripathi, I.I.T. Delhi.).
2. Dr. Shradha Nand(1975,Supervisor: Prof. B.B.Tripathi, I.I.T. Delhi.).
3. Dr. S.C.Vrati (1980,Supervisor : Dr.D.K.Gupta,S.V.College, Aligarh).
4. Dr.(Mrs.) Neelima Rani (1981, Supervisor : Dr. D.K.Gupta,
S.V.College, Aligarh).
The following students have obtained their research degree under
my supervision at I.I.T.Delhi.
1. Dr.R.S.Singh (1983,Co-supervisor: Prof.B.B.Tripathi, I.I.T.Delhi).
2. Dr.R.S.Narayanan(1984,Co-supervisor :Prof.B.B.Tripathi, I.I.T.Delhi).
3. Dr.M.V.N. Ambika Prasad (1984, Co-supervisor: Prof. B.B.
Tripathi, I.I.T.Delhi).
4. Dr. Geeta Ahuja (1984,Co-supervisor :Dr.L.M.Tiwari, I.I.T. Delhi).
5. Dr.Suresh Parkash(1984,Co-supervisor:Prof.B.B.Tripathi,I.I.T. Delhi).
6. Dr.Sadhana Garg(1986,Co-supervisor:Prof. B.B. Tripathi, I.I.T.Delhi).
7. Dr.G.S.Reddy (1987,Co-supervisor :Prof.B.B.Tripathi, I.I.T.Delhi).
8. Dr.Jaishree Malhotra(1988)
9. Dr.Vijay Baboo(1988)
10.Dr.M.M.Sinha( 1990, Co-supervisor :Prof.B.B.Tripathi, I.I.T.Delhi)
11.Dr.S.K.Arora(1994,Co-supervisor :Dr.A.K.Gupta,N.P.L.Delhi)

12.Dr.Balram(1995)
13.Dr.Pragati Ashdhir(2000)
14.Dr.M.K.Singh( 2003, Co-Supervisor : Dr.L.M.Tiwari, I.I.T.Delhi )
15.Dr.Sonal Brown(2004)
16.Dr.Upendra Tripathi(2008)
17.Dr.Vikas Sharma(2009)