proceedings ofthe physics and solid state ...and p.v. panat. 66 "12. performance of a 241am...
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PROCEEDINGS OF THE
NUCLEAR PHYSICS AND SOLID STATE PHYSICS SYMPOSIUM
MADRAS, DECEMBER 26-30, 1979
VOLUME 22 C
SOLID STATE PHYSICS
ORGANISED BY THE
DEPARTMENT OF ATOMIC ENERGY
GOVERNMENT OF INDIA
CONTENTS
Page
L LOW TEMPERATURE PHYSICS AND QUANTUM FLUIDS
"1. In-SITU Formed Composites of V3Si in
Cu-Rich Alloys : R. G. Sharma,
M. M. Krishna and A. V. Narlikar.
"2. Two Typical Josephsoa Effect Behaviour
in Clarke Solder Drop Junctions : V. S. Tomar,
A. K. Gupta, N. D. Kataria and Madhu Prasad. 4
"3. Effect of JS -Phase Decomposition on the Super¬
conducting Properties of Ti-27 at. % Nb Solid
Solution : Y. Hariharan, M. C. Valsakumar and
T. S. Radhakrishnan. 7
"4. Computation of Minimum Volume Sixth-Order
Superconducting Solenoids : M. P. Janawadkar,
M. C. Valsakumar and T. S. Radhakrishnan. 10
"5. Structure and Superconductivity of Pb,_xAxMo/Sg(A = Vacancy, Ag, Bi, In) Chevrel Phase
Compounds : A, M. Umarji, G. V. Subba Rao,
M. P. Janawadkar and T. S. Radhakrishnan. 13
"6, Synthesis, Electrical and Superconducting
Chevrel Phases Containing Oxygen :
A. M. TTmarji,. G. V. Subba Rao,
V. Sankaranarayanan, G. Rangarajan and
R. Srinivasan.16
"7. Low Temperature TCR of Thin Metallic
Wires : Neeraj Jain, Shyama Raju and
Ramji Srivastava. 19
"8. An Explanation of the Second Branch
Excitations Observed in Superfluid He :
M. Bhuyan and D. N. Tripathy. 22
"9. On the Structure Factor of a Quantum Fluid-
A New Look : R. Sridhar and R. Vasudevan. 25
"10. Dynamics of Fermi Liquids s K.N. Pathak
and V. K. Jindal.29
li-
Theory of Dispersion and Damping of
Plasmons in Electron Liquid : M. R. Mongaand K. N. Pathak.
ELECTRONIC PROPERTIES OF SOLIDS
Positron Life-Time Studies on ThO
Powders : D. D. Upadhyaya,R. V. Muralidharan, B. D. Sharma,
K. G. Prasad and R. Mohan.
Positron Lifetimes in the Magnetic
System Fe, .Ti 04 : M. B. Kurup.
Positron Anihilatton in Mono-CrystallineGermanium : Paul C. Baynes,S. Ramasamy, M. Dakshinamoorthy,K. Iyakutti and T. Nagarajan.
The Study of Electron Momentum Densityin CD -Zr BY Positron Annihilation AngularCorrelation Technique : Surinder M. Sharma,
S. K. Sikka and R. Chidambaram.
Effect of Charge Density Waves on the
Positron Effective Mass and DMR in Alkali
Metals ; Surinder M. Sharma.
Electronic Thermal Gruneisen Parameter
in Shock Equation of State Studies :
B. K. Godwal and S. K. Sikka.
Equation of State for the Intermediate RegionB. K. Godwal (Presented by &K. Sikka)
d-Electron Momentum Densities for Positron
Annihilation in Transition Metals (Y to Ag) :
M. Dakshinamoorthy and K. Iyakutti.
An Improved Treatment of the Two Band s-d
Model with Hybridisation : P. B. Maiti and
R. K. Moitra.
Stark Ladders via Evolution Operator :
P. K. Mahapatra and C. L. Roy.
"11. Atoms with Core Holes in the StatisticalModel : Rajeev K. Pathak, D. G. Kanhereand P. V. Panat. 66
"12. Performance of a 241Am Spectrometer for
Comptoa Profile Studies : D. P. Mahapatraand H. C. Padhi. 70
"13. A. Versatile System for Study of the Band-
Spectra in Soft and Hard X-ray Regions :
S. G. Saxena, Satish Chandra, D. Jain,
K. B. Garg and B. K. Sharma. 73
+14. Relativisitic Energy Bands of Zinc by the
RKKRZ Method : Jonaki Chowdhurl. 76
+15. Energy Band of Osmium : M, G. Ramchandani. 79
+ 16. Metal-Semiinetal Transition in Sr : R. Asokamani
and K. Iyakutti. 82
+17. Superconducting Transition Temperatures of
Zr, Os and Th-Band Structure Results :
K. Iyakutti and R. Asokamani. 85
+ 18. The Electronic and Optical Properties of
Substitutional SiGe Alloys : M. Nandi,
R. L. Sarkar and S. Chatterjee, 89
+ 19. Electronic and Magnetic Properties of
Amorphous Mg 7oZn_ 30 Alloy :
M. Sen and S.' Chatterjee. 92
(Papers 14-19 were rapporteured byDr. Y. K. Vohra)
*20. Dielectric Function of Electron Liquid
including Higher Order Exchange and
Correlation Effects : R. K. Pal,
D.N. Tripathy and S. S. Mandai. 95
*21. Positron Annihilation Lineshape Studies
on Neutron-Irradiated Molybdenum :
N. Panigrahi and P. Sen. 96
*22. Study of Colloidal Centres in NaCl by Positron
Annihilation : S. Rarrasamy and
T. Nagarajan. 97
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*23. X-ray Photoelectron Spectroscopic Study
of Surface Oxidation of Fe, Ni and Cu ;
A. Srinivasan, K. Jagannathan,
M. S. Hegde and C. N. R. Rao. 98
*24. Study of Many Body Effects on the Diamagnetism
of an Electron Gas at Metallic Densities :
S. K. Choudhury and S. P. Mohanty.
"25. X-ray Spectroscopic Study of a Cu-Ni
System : B..C. Mazumdar, D. Jain,
B. K. Sharma and K. B. Garg.
"26. X-ray Absorption Study of Density of
States in Cobalt and Nickel, Metals and
Complexes ; D. Jain, B. K. Sharma,K. B. Garg and A. Kothiwal.
"27. X-ray Absorption Study of Se-Ni-Fe Alloy
D, Jain, Y, Sharma, K. B. Garg and
B, K. Sharma,
"28. X-ray Spectroscopic Study of RECu2Si2Intermetallic s : T, K. Hatwar, B. D. Padalia,M. N. Ghatikar, E. V. Sampatkumaran,L. C, Gupta and R. Vijayaraghavan. 109
"29. Study of Cobalt Ion in PolycrystalUne Form
and Aqueous Solutions :' P.N. Koul,"N
.
M. N. Ghatikar and B. D. Padalia. 1 13
"30. XPS Studies of Rare Earth-Mn2 Intermetallic
Compounds : B. D. Padalia, V. Prabhawalkar,P. D. Prabhawalkar, A. Manohar, S. K. Malik,
S, K. Dhar and R. Vijayaraghavan. 117
"31. UPS and. XPS Studies of Pure and DeliberatelyOxidised Silver : B. D. Padalia,
P. D. Prabhawalkar, B. N. Bhattacharya,S.K. Mallik and V. Prabhawalkar. 120
"32. "XPES StudieB of Oxides of Second-and-
Third Row Transition Metals includingRare Earths : D. D. Sharma and C. N. R. Rao 123
•99
100
103
106
Page
"33. Auger and X-ray Fhotoelectron. SpectroscopicStudy of Cobalt Oxides and Oxidation of Co :
M. S. Hegde, A. Srinivasan, K. Jagannathanand G. C. Chaturvadi. 127
"34. Adsorption of CO oa NI by Photoelectron and
Auger Spectroscopy : K. Jagannathan,A. Srinivasan and M. S. Hegde. 131
"35. Photoabsorption Study of Rhodium Metal and
Complexes : Satish Chandra, B, K. Sharma,K, B. Garg and A. K. P.. Stnha. 135
"36. Quasi Stationary p-Electron States in
Germanium and the Origin of K-Emission
Satellites t. B. D. Shrivastava and P. R. Landge. 139
"37. 'White Lines' in L-Absorption Spectra :
S. N. Gupta, A.N. Gandhi and Saroj Gupta. 142
"38. High Frequency Satellites as Quasi StationaryStates and the EXAFS of Lanthanides :
S. N. Gupta, A. N. Gandhi and Saroj Gupta. 144
39. Dielectric Function of a Model Semiconductor :
Prabha Sharma and S. Auiuck. 145
40. Stimulated Raman Scattering and Para¬
metric Conversion in Semiconductor-
Plasmas : S. Gupta and N. Apte. 148
41. Concentration Dependent Dielectric Constant
in N-Type Semiconductors : E. Palanivandi. 152
42. Concentration-Dependent Valley Orbit Splitting in
N-Type Silicon : P. L. Geetha and
S, Baiasubramanian. 155
43. On the Origin of 0.85 eV Electron Trap in GaAs :
S. Subramanlan. B. M. Arora and S. Guha. 158
44. Theory of Electric Susceptibility of Tetrahedral
Semiconductors : T. Sahu, N, Panigrahi and
P.K. Mishra. 161
*45. Amplification of Acoustic Waves in a Plezo-
.
electric Semiconductors by the Application of
Electron Density Gradient ; S.K. Sharma and
P. Palanichamy. 162
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46. Effect of Free-Carrier Doping on Some
Properties of Ionic Semiconductors :
R.K. Singh. G. N. Agrawal and K. P. Singh. 164
47. Decay and Modulational Instabilities in
Semiconductor-Plasmas : S. Guha and
PT Namioshi. 167
48. Effect of Temperature and Mobile Space-
Charge on the Properties of DDR Silicon
IMPATTS : M. Sridharan and S.K. Roy. 170
49. Multivalley Model and the Donor Spectra in
Cadmium Fluoride : M. A. Samy and
K. Nava&eethakriahnan. 173
50. The Effect of Asymmetry of the P and Ga
Sites on the Donor Energies in GaF :
M. Robert Singh and S. Balasubramanian. 177
51. Tunneling in Junctions : P. N, Roy. P.N.Singh,S. K. Ghosh and D. K. Roy. 181
52. The Dielectric Function in Maxwell's Equation:
P. Li. Geetha D. Chandramohan and
S. Balasubramanian. 186
*53. The Fermi Level in Heavily Doped Semi¬
conductors : D.K. Roy and R, Y. Thakur. 189
*54. Diffusivity-Mobility Ratio in Degearately
Doped Semiconductors : R. Y. Thakur and
S. Dayal. 190
55. A Theoretical Model for the Photocapacitanceof MOS Structures under Low Light Intensities :
M. Mohan Chandra and G. Suryan. 191
56. Electric Field Dependence of Thermal Emission
and Capture Rates of Deep Impurities in p-n
Junctions : V. Kalvanaraman and Vikram Kumar. 195
57. Electrical Properties o£ Silicon Nitride LayersFormed by Nitrogen Ion Implantation into Silicon '•
A. D. Yadav and M. L. Joshi (Presented byD. C. Kothare), 199
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*58, Orientation Dependence of Interface States
of n-GaAs - Native Oxide MOS Structures :
A, M. Narsale and B. M. Arora. 202
*59. Effect of Mechanical Strain on Photoconductivity
and Effect of Photo-Illumination on Piezoresistance
of Silicon : Mohaa Lai and R. Par shad. 204
*60. Effect of Magnetic Field on Photoconductivity
and of Photo-Illumination on Magnetoresistance
of P-Type Silicon : Mohan Lai and R. Parshad. 205
+61. Dielectric Properties of Electron Beam
Evaporated Indium Oxide Thin Films :
A. Balasubramanian, M. Radhakrishnan
and C. Balasubramanian. 206
+62. Persistent Internal Polarization in a Si:H
and a-Ge:Li Thin Films : D. S. Misra,
P.N. Dixit and S. C. Agarwal. 210
+63. Capacitance-Temperature Characteristics of
MIM System : G. S. Nadkarni and V. S. Shirodkar. 213
(Papers 61-63 were rapporteured by Dr. B, M. Arora)
64. TRAP Assisted Tunneling in PVF2 Films :
P. C. Mehendru, Suresh Chand and
S. Radhakrishnan. 216
65. Electrical and Galvanomagnetic Properties
of Tellurim Films : B. Chakraborti and
A.K. Pal.219
*66. Characterization of Amorphous Indium-
Tellurium Alloy Produced by Roller
Quenching : S. T. Ladshmikumar,
A. M. Jayannavar, R. N. Mallya and
E. S. R. Gopal.223
*67. Study of Conduction Phenomena in Bismuth
Oxide Layers : V. K. Saxena, S. Singh,
S. L. Pandey, T. N. Agarwal and
R. N. Saxena.2Zi
71. Electrical Properties of MOj W Se Single
Crystals s M.K. Agarwal anaF.A. wani.
Pa
-vili-
*68. Effect of Implantation of 14Nt Ions on
Amorphous and Crystalline Thin Films
of InTe : D. V. Krishna Sastry and
P. Jayaraman Reddy. 225
*69. Electrical Conductivity of Zinc Phosphide
Thin Films s K. R. Murali and D. R. Rao. 227
*70. ' Surface Charge Decay in Corona ChargedPolyethylene Films,: P. C. Mehendru,
M.N. Kamalasanan and S. Radhakrishnan. 228
229
*72. Deaquation Process In Na,WQ4. 2H20 ThroughBielectrical Dlelectrical Measurements :
Rama Singh and S. D. Pandey. 231
73. Variation of Resistivity with Applied Field
and Temperature of BaTlOj Single Crystals :
K. R. Bagree, D. A. Deshpande and V. G.Kher. 232
74. Electrical Properties of GEL Grown KDP Single
Crystal : F. D. Gnanam, M. Shanmugham,
P. Ramasamy and G. S, Laddha. 234
*75. Effect of Surface Layers on the Spontaneous
Polarization of Some Ferroelectrica :
A, Bhanumathi and K. Sambasiva Rao. 235
76. Effect of Pressure an the Thermal Emission
Rate of Gold Acceptor Level in Silicon
p+n Junctions Using Deep Level Transient
Technique : K. V. Ramana Rao and
V. Kalyanaraman. 236
*77. Electron-Electron Scattering and the Low
Temperature Electrical Resistivity of Alkali
Metals : O.N. Awasthl and S. Sathlsh. 240
*78. Dielectric Behaviour of Doped and Undoped
. Polystyrene in Cylindrical Configuration :
H. C. Sinha and A. F. Srivastava. 242
u-
Page
*79. Polarisation Reversal in Dicalcium Strontium
Propionate Single Crystal s Ramnatb Ravi,
K. S. Sangunai and P. S. Narayanan. 243
80. Electrical Conductivity of Phenoxaaine-Iodine,
Phenothiazime-Iodine and Oligo-Aniline-Iodine
Complexes : A.K. T. Oza„ 244
81. Electrical Resistivity Study of the Organic
Charge Transfer Complex TetramethylBenzidine - TCNQ at Pressures upto
80 Kllobar and Temperatures down to 77°K :
A. K. Bandyopadhvav, S. Chatterjee and
S. V. Subrarnanyam. 248
82. Electrical Switching of the Organic ChargeTransfer Complex Tetramethyl Benzidine —
TCNQ and Pressure Effect on it ;
A. K. Bandvopadhvav, S. Chatterjee and
S. V, Subrarnanyam, 251
*83. Space Charge Limited Conduction and
Thermally Stimulated Current in Naphthalene :
Ranjit Singh, S. C. Datt, J. M. Keller and
R. G. Kekre.254
*84, Short-Circuit Isothermal Depolarization
Currents in Polypropylene : P. C. Kekre,
J. M. Keller, Ranjit Singh and S. C. Datt. 255
*85. Electrical Conduction in the Copolymers of
Iron and Nickel Methacrylates in Methacrylic
Acid : P. R. Sarma, K. C. Tripathi, H. M. Gupta,
Ved Prakash and A.K, Sharma. 256
86. Search for a New Organic Photovoltallc
Material : P. K. C. PiUai, Sr C. Mathur
A. D. Sharma, J. P. S. Chauhan and
Kiran Jain.257
87. Charge Transport in Oxides of Fhenazine
and Dlanthraquinone s & C. Mathur and
B. Kumar.260
*88. Anomalous Electrical Property of Metal-
Free and Copper Fhetcalocyanine Thin Films s
G. Du Sao and H. V, Tiwary.263
gage.
*89. Surface Charge and TSD Studies of PVC Thermo-
electrets : L M. Talwar and R. Sharma. 264
90. Electrical Properties of Poly (Phenylene
Sulphide) : F. S. Vlswanathan, U. S. Tewari,
Saudagar Mai and Fadma Vasudevan. 265
91. Effects of Substltuents on Photoconductivity of
Benzanthroae Thin Films : M. R. Padhye,T. S. Varadarajan and L. N. Chaturvedi. 268
92. Spontaneous Current Emission from PolyvinylAlcohol : R. Sharma, L, V. Sud and L M. Talwar. 271
*93. TSD Studies of Doped and Undoped Polytyrenein Cylindrical Configuration : H. C. Sinha and
A. P. Srivastava. 272
"94. Dielectric Behaviour and Phase Transitions in
Ferchlorates of K, Rb and Vc Cs s
T. Shripathy, H. L. Bhat and P. S. Narayanan. 273
"95. Dielectric Behaviour of Some Metalic Oxides :
O. S. Josyulu, J. Sobhanadri, B. Vlswanathan
and N. K. Appanraj. 276
"96. Dielectric Studies of IsocyanateTerminated
Polymer : J. Cowri Krishna, O. S. Josyuluand J, Sobhanadri. 279
"97. Effect of Ionic Impurity on the Dielectric
Relaxation in Polyvinyl Butyral Thin Films :
P. C. Mehendru, K. Jain and Naresh Kumar. 282
"98. Comparative Study of Dielectric Relaxations in
VC-VAc Copolymer Thin Films having Different
VAc Concentrations : P. C. Mehendru, K. Jain and
N. P. Gupta. 285
"99. Molecular Motion and Dielectric Behaviour of
Bromoform in Solid Phase : A. K. Sharma,V. K. Agarwal and A. Mansingh. 288
"100, Resistivity Studies of Quench Condensed Bismuth
Films at Low Temperatures : V.S. Tomar,M. M. Krishna and R. G. Sharma. 291
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page
"lOL Electrical Conductivity of Nitrogen Doped
Ti203 Single Crystals i H. V. Keer.
"102. Electrical Properties of CoS04.7H20Crystals Grown at 12. 5 C : P. N, Nandi,
G. B. Wankar, D.A. Deshpande and V. G.Kher.
"103. Electrical Properties of Ln2Mo20_ Pyro-chlores (Ln = Sm - Yb, Y) :
M, A. Subramanian, G. Aravamudan and
G. V. Subba Rao.
"104. Thermally aimulated Depolarisatioa (TSD)Currents in Lithium Potassium Sulphate at
High Temperatures : C. Ramasastry and
K, Subba Ramaiah.
IIL OPTICAL PROPERTIES OF SOLIDS
1. Study of Transition Metal OXY-Anions in
Some Single Crystals : B. V. R. Chowdari
and Yf Ravi Sekhar.
2. Thermoluminescence of Cesium Halides
Doped with Heavy Metal Inns : B. V. R. Chowdari
and S. Selvasekarapandjan.
2+3. Spectroscopic Studies on Ni Ions Doped In
Some Lattices : B. V. R, Chowdari and
C. Murali Krishna.
4. X-Irradiated Luminescence and Point Defects
in Dy Doped CaSO^ and SrSO^ Phosphors :
M. R. Mulla. Rekharani S. Dharawadkar,
S. H. Pawar and J.K. Zope.
5. Temperature Dependent Luminescence and
X-ray Fluorescence Analysis in CaS Phosphors :
G. L. Marwaha, Nafa Singh. Chander Bhan,
S. B. Singh and V.K, Mathur.
*6. Magnetic Behaviour of SrSO i Dy Phosphors :
S. H. Pawar, Rekharani, S. Dharwadkar,
C. D. Lokhande and M. R, Mulla.
/. Thermoluxnincescen.ee of Zj Centres in
KCl:Sr : V. S, Kamvisdar, S. C. Moholkar
and B, T. Deshmukh,
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Page
Reflectance Spectra and Thermoluminescence
of KCl : KBr : D. G. Wakde, S. C. Mohalkar.
S. V. Mohril and B. T. Deshmukh. 327
Decay and Thermoluminescence of Sr&Mn:Ce
Phosphor '. P. R. Lalitha, V. R. Rao and
V.P.N. Nampoori. 331
Optical Spectroscopy Studies on Pr3+ and
Eu3+ in YP04 i R. C. Naik. N. P.Karanjikar,
K. H. Ayyar and N. A, Narasimham. 335
Some Electroluminescent Properties of Rare
Earth Doped ZnO Phosphors : S. Bhushan,Balakrishna Rao Kaza and A. N. Fandy. 338
Undoped and Rare Earth Doped ZnO Electro-
luminors Prepared by a New Technique :
S. Bhushan and R. P. Asare. 341
On the Role of Eu2+ in the Luminescence of
RbBr : S. B. S. Sastry, S. Madhu and S. Saparu. 344
Optical and Thermoluminescence Studies on
Rubidium Bromide Doped with Calcium :
S. B. a Sastry and a Sapru. 345
Dielectric and Optical Properties of Poly-
acrylonitrile : M. Ramakrishna Murthv and
Y. Ranga Reddy. 346
Optical Properties of YIG and its Aluminium
Substituted Polycrystals : C. E. Sooriamoorthi
and St J. Avyappan. 349
Simplified Model for Optical Conductivity of
Copper s A.K, Ahuia, S, Auluck and S.K. Joshi, 352
Excitonic Reflectance Spectra of CdS :
G. Mukhopadhvav. 356
Stimulated Brillouln Scattering (SBS) In Piezo¬
electric Semiconductors s P. K. Sen. 359
Nano-Second Time Resolved Spectroscopy UsingPulsed Nitrogen Laser : H. S. Bhatti,
Unnlkrishnan Nair and R. D. Singh. 362
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Raman Study of LiKSO, i M. L. BansaL
S.K. Deb, A P. Roy and V. C. Sahnl. 365
Fourier Far IR and Infrared AbsorptionSpectra of Double Sulphates HNH,S04,KLiS04 and KNaS04 : S. Alam and
J. P. Srivastava, 369
Role of Water Llgand on the Splittings and
Shifts of Internal Modes of SO|"in MS04tH20(M = Mn, Co, Ni, Zn) : V. P. Tayal,D. F. Khandelwal and H. D. Blst. 372
Laser Raman Spectra of Crystalline
Sulphamlc Acid : A Sundara Raj,
P. Muthusubramanian and N. Krishna Murthy. 373
Nitrogen Laser Excited Fluorescence of
Matrix Isolated Oxalyl Chloride and Chlorine at
77°K : S.L.N.G. Kriahnamachari and
S. M. Jayawant. 376
The Infrared Study of Crystallo-Hydrates of
Nickel : Shashi F.Gupta and B.N. Khanna. 380
The Infrared Spectra of Citrates of Sodium and
Potassium : Shashi F. Gufta, .'P. N. Asthana and
B.N. Khanna.'
384
DYNAMICAL AND THERMAL PROPERTIES OF
SOUPS AND LIQUIDS
Study of Molecular Motions In Liquids from
Electron Spin Relaxation Measurements :
Semiquinones in DMSO and DMSO-Ethanol
Mixtures : G. Krishnamoorthy and
B. a Prabhananda. 385
Vibrational Spectra and Relaxation of MethylIodide in Solutions : V. B. Kartha and
S.B. Kartha. 389
Raman Study of Orientations! Disorder of
Sulphate Ions In Potash Alum : A K. Sood,
Af K. Arora, Gr Venkataraman and
R. Krlshnaswamy.393
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4. Hypersonic Velocity Measurements In
Normal Alcohols : P. S. Parvathanathan
and K. Usha Denlz. 397
5, Velocity Auto Correlation Function in
Classical Liquids : G, S. Dubey, V. K. Jindal
and K. N. Pathak. 401
ti. Effect of Many Body Interaction on the Lattice
Contribution to the Dielectric Polarization in
Non-Centrosymmetric Ionic Solids t S. S. Bedi
and M. P. Verma. 405
7. Core Polarization Effect In the Lattice
Dynamics of Noble Metals : J. C. Upadhyaya, 409
8. On Interionic Potentials and Crystal Properties
of Partially Covalent Solids : R. Kf Singh and
P. Khare. 412
9. Lattice Dynamics of CaWO. : K. Kesavasamv
and N. Krishnamurthy. 416
10. Displaced Shell Model for MgF :
N. Krishnamurthy and K. R. Balasubramanian. 419
*11. Lattice Dynamics of MgO : S. K. Agarwal and
M. P. Verma, 422
*12. An ETSM Lattice Dynamics of SuperconductingTransition-Metal Carbides : H.N. Gupta and
Som Prakash. 423
*13. Long Wavelength Vibrations in Semi-Conducting
Compounds with the Zinc Blende Structure :
A. K. Jain and M. P. Verma. 424
*14. ETSM Analysis of Fhonons in Magnetic Wustite :
H.N. Gupta and Kanti Chandra. 425
*15. Phonon Spectra of Wustite in the ParamagneticPhase : A. N.. Pandey and K. S. Upadhyaya 427
*16. Volume-Force Phonon Dispersion of YS :
H. N. Gupta and R. S. Upadhyaya. 428
*17. Investigation of the Additivity Rule for the
Repulsive Stiffness in Ionic Crystals :
J. Shankar, D. P. Agarwal and S. S. Bedi. 429
*18. Mean-Square Atomic Displacements in Rare
Gas Solids : A. P. G. Kutty and S. N. Vaidya. 431
*19. Thermal Expansion Coefficient of Solids -
An Interatomic Potential Approach :
S. P. Srivastava. 432
*20. Energy of Vacancy Formation in Some HCP
Metals : P. D. Fathak and R. J. Desai. 433
*21. Effect of Anharmoniclty on the Anderson
Gruneisen Parameter of Solids : S. P. Srivastava. 434
*22. Effect of f-Factor on the Line Shape in Micro-
crystals : Mashhood Ali and K. Rama Reddy. 435
*23. Ultrasonic Attenuation in Pottasium at Low
Temperatures,: O.N. Awasthi and S. Sathish. 439
24. Sollton Modes : Application to Some PhysicalPhenomena : P. C. Dash and K. Patnaik. 442
25. Psuedo-Green's Function in Metals with
Impurities : Joglader Singh, S. D. Raj and
S. Frakash. 445
26. Study of Thermophysical Behaviour of Alkali
Hydride Crystals : R. K. Singh and & Tewari. 448
27. Gap Modes in Potassium Iodide, Potassium
Bromide and Sodium Iodide : R. Sebastian,
G. A. Savariraj and T. M. Haridasan. 451
*28. Local Mode Frequencies due to Substitutional
Impurities in Zinc Blende Type Crystals :
R. Sebastian and G. A. Savariraj. 454
*29. Thermal Ionization Energy of F-Centssrs in
Alkali Halides : M, L. Dalai, S. Sivaraman
and Y. V. G. S. Murti. 455
30. Phonon Conductivity of Solids s T. J. Singh
and G. S. Verma (Presented by & Singh). 456
-xvi-
Page
Hole-Phonon Scattering In High Magnetic
Fields : Surendra Singh and G. S. Verma. 462
Scattering of Phonons by Holes in p-Type
HgTe : V. Radhakrishnan and P. C. Sharma. 465
Thermal Conductivity of a Composite at Low
Temperature : V. Vaaudeva Rao, G. Rangarajanand G. Swaminathan. 466
TRANSPORT PROPERTIES OF SOUPS
Mobility for Diffusion-cum-Localised
Oscillation : V. Balakrlshnan and
G. Venkataraman. 467
Motion of two Impurity Atoms in a
Harmonic Lattice : R. R. Furi and
S. V. Lawande. 471
The Diffusion of Cobalt in KC1 Crystals :
K. V. Reddy and M. P. Dominic Damlen. 475
Optimization of Thermoelectric Figure of
Merit in Silicon-Germanium Alloys at High
Temperatwre : C. M. Bhandari and D. M. Rowe. 477
MAGNETIC PROPERTIES OF SOLIDS
Alloy Analogy in the Extended Hubbard Model :
Kuruvllla Eapen. Dipan K. Ghosh and R. P. Singh. 481
Multlband CPA Calculation In FerromagneticNickel Ruthenium Alloys s R.
i
Chakravarthy
and L. Madhav Rao. 484
Theory of Magnetic Susceptibility of <£ -Cerium :
J, C. Mohantv and F.K. Misra. 487
Comments on Spin Glasses : F. Shukla. 490
Infinite Clusters in Quenched AB Alloys :
M. Barma. 493
-*vil-
E2&&.
Cluster Bethe Lattice Calculations of the
Electronic Structure of Si-Ge Alloy Described
by Weaire Thorpe Harailtonian : P. Chaudhurl
and R.K. Moitra. 496
An Exactly Soluble Model of Spin Glasses :
Deepak Dhar and N. Kumar (Presented byH. R. Krishna Murthy) 499
Anderson Localisation on a Disordered Series -
Parallel Lattice : a G. Satyanarayana,
N. Devaraj and N. Kumar. 502
Renormalisation Group Study of Anisotropic
Classical Spin System : R. B. Fandey,
D. Kumar and M. Barma. 505
Hyperfine Fields at Al Site in Sm, Gd Al
Alloys : A.K. Groverf 5.K. Dhar,"X x
S. K. Malik, R. Vijayaraghavan and K. Shimlsu. 508
Quadrupole Interaction Studies of Cd in
R Ni, (R = Rare Earth) Compounds :
S. H. Devare, R. G. Pillar. S. K. Malik and
H. G. Devare.511
Electric Quadrupole Interaction of l81Ta in
R Nig Compounds : M. B. Kurup, K. G. Prasad,
S.K. Malik and R. P. Sharma. 515
Magnetic Measurements on the Single Crystals
of Rare Earth Bromates and a Study of the
Effects of the Crystal Field : D, Neogy,
A. Chatterii and T. Purohit. 518
A Study of Magnetic Properties of Some Hydrated
Selenates : D. Neogy and J. Nandi. .
521
Piezo-Magnetic Studies in Iron-Group Crystals :
S. Subharathanam.525
An Appraisal of the Crystal Field in
Nd,Mg (NO,)12 24H20 : D. Neogy, A. Neogy
and. A3Chatter3i. 528
-xviii-
17. Atomic and Magnetic Ordering in
Cu2_x PdxMnAl : S. K. Paranjpe.
R, J. Begum and N. S. Satya Murthy.
18. Covalency Effects in the Magnetic Form
Factor of Yb FeQ 91Co 09°3 : S. K. Paranjpe
and R. J. Begum.'
19. Orbital and Covelency Effects on Magnetic
Scattering from Transition Metal FerovskiteB
J. K. Sharma and D. C. Khan (Presented byM. Mishra).
20. Study of Magnetic Properties of Tl
Substituted NiQ 3ZnQ ?Fe20 Ferrites :
M. Miara. D, C. Khan and A. R. Dass.
21. Spin-Ordering in Fe-Zn-Cu Ferrites :
G. Srinivasan.
22. Correlation between Damping Constants
£ and A in Folycrystalline Garnets :
Om Prakash and R. Aiyar.
*23. Measurement of Effective Line Width
Using a Partially Filled Cavity Technique :
N. S. Hanumantha Rao and M. J. Fatnl.
*24. Magnetic Susceptibility Measurements on
Rb2CoCl4 from Room Temperature to 4. 2 K
R. E. Amritkar, A. V. Nalini and
R. Srinivasan.
"25. Mossbauer Effect Studies on Some SpinelFerrites : P. Muthukumarasamy,T. Nagarajan and A. Narayanasamy.
"26, Mossbauer Study of Co Mn, n_xFe .O.
and Nl Mn, „Fe .O*: V.K." Singh,
B, K. Srivastava, R. Chandra and
S. Lokanathan.
"27. A Mossbauer Effect EFG Study and Lattice
Sum Calculations in Phlogoplte :
Anjali Krishnamurthy, B. K. Srivastava and
S. Lokanathan.
-XIX-
Es&L
"28. Mossbauer Effect, Ionic Conductivity,Thermoluminescence and Ionic Thermo-
conductivity Studies of the Electron SpinDynamics in Magnetically Ordered Fe3+ :
NiTiO, System : R. Nagarajan,J. K. Srivastava and S. Muralidhara Rao.
"29. Mossbauer and ESCA Studies of Iron
Tellurium Compounds : S. H. Devare,R. G. Fillay and H. G. Devare.
"30. An Optical Method for Absolute Cali¬
bration of Mossabuer Spectrometers :
Mashhood Ali, Alimuddin, Shahld Kareem
and K. Rama Reddy.
"31. Stochastic Cyclotron Resonance of Hopping
Charge Carriers : A. M, Jayannavar and
N. Kumar.
"32. Magnetic Relaxation Effects in the Mossbauer
Spectrum of Fe2+ in Gillespite (BaFeSi4Ol0) :
K. K. P. Shrivastava and S. N. Mishra.
"33. Quadrupole Antishielding Factors for HalogenIons from Non-Orthogronal Hartree-Fock
Perturbation Theory : K. K. Prasad Rao and
N. C. Mohapatra.
"34. Calculation of Various Contributions to Hyper-fine Field in Rare Earths on Fe and Ni :
D,K. Sharma and D. K. Gupta.
35. Ferromagnetic Resonance Studies la
Mn FexSb System : K. V. S. Rama Rao,
V. Seshubai and C. Ramasastry.
36. Ferromagnetic Resonance in Nickel-Zinc
Copper Ferrites ; T. T. Srinivasan and
M. J. Fatni.
37. FMR Studies on Polycrystalline Nickel-
Magnesium Ferrites : K. Seshan, M. J. Patni
and A. B. Biswas.
38. Microwave Properties of DysprosiumSubstituted Yttrium Iron Garnets :
N. S. Hanumantha Rao. M. J. Patni and
CM. Srivastava. 590
39. Calculation of Electric-Field-Gradient in
Dilute Alloys with Cubllc Host and Non-
Magnetic Substitutional Impurities :
K. K. Prasad Rao and N. C. Mohapatra. 593
*40. 121Sb and 123Sb NMR Studies in Ferri-
magnetlc Mn2Sb : K. V. S. Rama Rao,
S. L. Pinjare and C. Ramasastry. 597
*41. Mossbauer Studies of Europium Compounds :
D.K. Sharma and D. K. Gupta. 598
*42. Mossbauer Study of the Copolymers of Iron
and Nickel Methacrylates in Methacyllc Acid :
P. R. Sarma, K. C. Trlpathl and H. M. Gupta. 600
"43. EFR of Off-Centred Ni+ at Interstitial Sites in
NH.Cl Single Crystals : M. D. Sastry and
B.D. Joshl. 601
"44. Optical and ESR Studies of H° Centres in
RbCl Crystals : S. B. a Sastry, S. Sapru and
K. Subba Ramaiah, 604
"45. EFR Studies on Low Temperature Phase of a
Co-operative Jahn-Teller System : A K. Pal
and J. Sthanapati. 607
"46. EPR Study of Copper Fluoslllcate Hexahydrate :
A.K. Pal, D.K. Dey, AK. Ghoshal and
J. Sthanapati. 609
"47. Host Lattice Effects on Impurity EPR in
Paramagnetic Host Single Crystals :
R. S. Saraswat, G. C. Upreti. 612
"48. EPR Study of Vanadyl Impurity Ions in Some
Crystalline Solids : V. K. Jain, R. S. Saraswatand V.K. Kaushik. 615
-xxi-
Paee
"49. EPR Study of MnZ+ Doped Zinc
Malonate Dihydrate ! S. Ojha, R. Rajan,K. V, Lingam and B.N. Bhattacharya. 618
"50. ESR Studies of Ferroelectric Phase Transition
in (NH4)2S04 : N. C. Mishra and R. Srinivasan. 621
"51. ESR Study of Y -irradiated Ba(C104)2. 3H20 :
D. L. Sastry and K. V. S. Rama Rao. 624
"52. ESR and Optical Study of V02+ in KHC.O.
Crystals : S. Radhakrishna and M. Salagram. 627
53. Valence State of Cerium in its Intermetallics :
E. V. Sampathkumaran. L. C. Gupta and
R. Vijayaraghavan. 630
54. Valence Fluctuation Studies in EuCu2Si2 :
S. H. Devare, H. G. Devare and
J. A. Cameron. 633
55. UB NMR Study of the Intermediate Valent
SmBfc : M. Bose. K. Roy and A. Basu, 636
56. 203Fb NMR Knight Shift Studies in Sm Fb,:S.K. Dhar. AK. Grover, S.K. Malik and
R. Vijayaraghavan. 639
57. Knight Shift in Lead-Salt Semiconductors :
G. S. Tripathl and P.K. Misra. 642
58. Fourier Transorm of Deuteron Modulation of
Electron Spin Echo Envelope of Ag in D20 and
CD OD at 4. 2 K : B. Aruna. Y. V. S. Ramakrishna
anffP. A. Narayana. 645
59. Fourier Transform of Electron Spin Echo
Modulation in Hemoglobin Azide at 4. 2 K :
Y. V, S. Ramakrishna and F. A Narayana. 648
*60. Optical, E, S. R. and TL Studies of RbtC03 :
S. B. S. Sastry, S. Madhu and S. Sapru. 651
*61. An ESR Study of OXY-Radicals of Bromine in
Sr(Br03)2.H20 s Y -Irradiated at LNT and RT :
* D. L. Sastry, K. V. S. Rama Rao. 652
-xxll
Page
*62. E. S. R. and Optical Absorption Studies of
Cr3+ In Sodium Zinc Sulphate Tetrahydrate z
S. Madhu and B. S. V. a R. Acharyulu. 653
*63. Calculation of g-Values for a ParamagneticCentre in X-Irradiated Zinc Silicate s
C. Prasad and Sulata Chakravarty. 654
*64. Paramagnetic Resonance Studies of a Natural
At-Cut Quartz Crystal Irradiated by X - and
Gamma Rays : Harish Bahadur, S. K. Guptaand R. Prasad. 655
65. NMR Studies of CH NHjBr and CHjND Br at
High Pressure and "Low Temperatures :
R. Kallperumal. K. V. Ramanathan and
R. Srinivasan. 656
66. Proton Spin Lattice Relaxation Investigations
in Dicalclum Barium Propionate : C. S. Sundaram.
K. Ganesan and J. Ramakrishna. 660
67. H Spin Lattice Relaxation and Correlation Studies
in Some Phenolic Mannichbases : M. Jevarai and
J. Sobhanadri. 662
*68. NQR Investigations in Crystalline 2, 5-Dl-
Chloroacetanilide : K. K. Vijaya Kumar,
D. V. Ramana Murtl, P. Venkatachar 665
69. 2D NMR Study of the Phase Transition in
CoSiF&, 6D20 : M. Bose. A Ghoshray,
A. Basu and K. Roy. 667
70. 1<*F Spin-lattice Relaxation Time Studies in
RbCaF3 : S. V. Bhat and F. P. Mahendroo. 671
*71. Chlorine' NQR in Four Pyridine Derivatives of
Biological Importance : a P. Basavaraju,
N. Devaraj, A. Indumathy, K. R.- Sridharan
and J. Ramakrishna. 675
*72. Study of Internal Motions in 2, 5-Dichloro
3, 6-Di-Hydroxy-P-Benzoquinone and 3,4-
Dichlorophenol Using NQR : R. Chandramani,
N. Devaraj, A. Indumathy and J. Ramakrishna. 676
-xxiti-
Page
79*73. Br NQR Zeeman Study in Sr(BrO ) . HO
and Cd(Br03)2. 2H O t R. Valli anf
K. V. S. Rama Rao. 678
*74. ESR Study of Y* -irradiated Zinc Malonate
Dlhydrate : S. Ojha, R. Rajan, K. V. Lingam
and B. N. Bhattacharya. 680
*75. ESR Studies of Cu2+ in Some Inlines :
S. P. Harish, J. Sobhanadri and B. A. Sastry. 681
*76. ESR Studies of Cu and (Cu, Cd) Iminodiacetate
Single Crystals : S.K. Datta and D. De. 682
VU. PHASE TRANSITIONS
1. 1H NMR Study of Phases Transitions in MBBA :
M. Boae. S. Ganguli, A, Ghoshray and A. BaBU. 683
*2. Low Temperature Transition in Teflon FEP :
J. P. Jog, S. J. Walzade and S. V. Bhoraskar. 687
3. High Pressure Phase Transitions in FeS :
C. Karunakaran, V. Vijayakumar, S. N. Vaidya
and N. S. Kunte.688
4. Study of Doppler Broadening of Positron
Annihilation Radiation in (Sin- gGd- 2)SAcross Valence Transition : A*. Bha'rathi.
K. P. Gopinathan, S. K. Sarkar, C. S. Sundar
and B, Vlswanathan.691
5. Theory of Structural Phase Transitions in
Alkali-Superoxides : S. P.- Mahanti. 694
*6. Electrical Conductivity Studies in Pure and
Doped NaNO, Single Crystals : S. K. Gupta
and S.D. Pandey.697
7. Spin Alignments in Low Temperature Magnetic
Phase of Trans-Uranium and Rare-Earth
Bromides and Iodides : M.K. Sikdar and
.P.,-aui.ya,,iii
8. Direct Evidence of Intermediate State during
Alpha-Omega Transformation in Tt~V Aljoy :
Y.K. /phya.... S.X Sikka, E. S.K, Menoa and
R. Krishnan.
698
701
-xxiv-
Page.
Effect of Anhrmonicity on the Phonon
Instability in One-Dimensional Electronic
System : B. P. Barua, B. K. Chakrabarti
and S. K. Sinha (Presented by P. Rudra). 704
Exact Dynamics and Thermodynamics of a
Model System Exhibiting First Order
Structural Phase Transition : S, N. Behera
and Avinash Khare. 708
SURFACE AND INTERFACES
Surface Composition of Binary Alloys :
NtC. Jain and V. C. Sahni. 711
Growth Kinetics of Perfect Sharp SingularInterfaces : S, Vasudevan, S. Nagalingam.
P. Ramasamy and G. S, Laddha. 714
Adsorption and Thermal Desorption of LaBs
on Molybdenum Surface Using Field Emission
Microscopy : C. V. Dharmadhikari, D. a Joag
and P. L. Kanltkar. 717
Surface Fplaritons in Excitonic Semiconductors :
G. Mukhopadhvav. 721
Surface Flasmons for Diffuse Surface :
G. Mukhopadhvava. 725
On High Frequency Response in InhomogeneousElectron System : G. Mukhopadhvav. 727
Effect of C\~ Ions on Stability on n-InF/NaOHInterface : Y. Ramprakash. a Basu and
D.N. Bose. 730
Localized Adsorption in One Layer an. Crystal-Impure Solution Interfaces : R. Dhanasekaran
and F. Ramasamy. 733
A Study of Double Layers Associated with the
Erthyrocyte Sedimentation : O. P. Khandelwal
and M. M. Baiai. 736
-XXV-
£3&S
DEFECTS AND RADIATION DAMA6E
Photoconductivity Measurement on Ion-
Implanted Thin Bismuth Oxide Films :
A. V. Deshpande, & B. Ogale,
V.N. Bhoraskar andM.R. Bhiday, 739
Resistance Changes in Thin Metallic Films
Under Ion Bombardment : a B. Ogale,S. V. Ghaisas, A a Ogale, V. N. Bhoraskar
and M. R. Bhiday (Presented by
A. V. Deshpande). 743
Thermally Stimulated Current In Nitrogen
Implanted FEP : J. P. Jog, S. B. Ogale,
S. J. Walzade. A S. Ogale, S. V. Bhoraskar,
M, R. Bhiday and V. N. Bhoraskar. 746
Microhardness and Micrestructwe of He-
Irradiated Ni and Amorphous Ni40Fe40P14B^ :
R. V, Nandedkar. S. Panchapakesan and
K. Varatharajan. 749
Effect of Fluctuations during the Radiation
Induced Growth and Shrinkage of Velds in
Molybdenum : K. Krishan. 752
Effect of Ion-Bombardment on the Infrared
Spectra of <C -Quartz : V. Umadevi.
H.K. Sahu, AK. Sood and G.. Venkataraman. 755
Effeet of X-*»y and UV-Irradiation en Optical
Absorption of Fbl, Single Crystals :
P.P. Yadav, K. vt Rao and H. N. Acharya, 759
Studies on Neutron Irradiated Topaz Cleavages :
K. S. Raju.763
Charging of Teflon FEP by Non-Penetrating
Electron Beam i S. J. Walsade, J. F Jog and
S, V. Bhoraskar."b4
Point Defect Calculations in Molybdenum .•
S. P. Mhaskar and P.K. Naik.765
xxvi-
Pag«
Electronic Structure of Point Defects in
Semiconducting Crystals i S. D. Raj,
J. Singh and S. Frakash. 769
Calculation of Correlation Factor In Metallic
Diffusion : D. D. Pruthi. 772
Huang Diffuse Scattering from Interstitials in
an H. C. P. Lattice : Rita Kapoor. 775
Self-Interstitial Configurations in Magnesium :
A Computer Simulation Calculation : H. K. Sahu,
S. Srinivasan and K. Krishna. 778
Defect Production under Pulsed Beam Irradiation
Conditions : K. Krishan, K. G. M. Nalr and
H, K. Sahu. 782
Dechannellng of Protons by Edge Dislocations :
P. K. Bhattacharva. 785
Flux Distribution in Planar Channeling s
S. G. Gaonkar and A. G. Wagh. 788
X-ray Topographic Studies of Calcium Fludride
Crystals : C. C. Desai. 791
Vacancy Migration in i£ -Phase of Hard Metals :
M. N. Vijaykumar. 792
INSTRUMENTATION FOR SOLID STATE STUDIES
ESR Spectrometer for High Pressure Studies :
Shantanu Slnha and R. Srinivasan. 793
A Novel Three-Terminal Dielectric Cell with
Floating Electrode : B. R. Madhu and
P. S. Narayanan. 796
Phase Lock Technique for Random SignalAnalysis : An Application to Mossbauer
Resonance : P.. Raimanl Singh and
K. Rama Reddy. 800
-xxvii'
Page,
Single Layer Photoresist Stencil for Lift¬
off Process : A. K. Gupta, Madhu Prasad,V. S. Tomar and N. D. Kataria. 803
Effect of Finite Collection Angle on Depolari¬
zation Ratio Measurement by Raman Scattering :
S. K. Deb and A. P. Roy. 806
Interpolation and Calibration Scheme for
Germanium Resistance Thermometers :
M. C. Valsakumar, Y. Hariharan,
M. P. Janawadkar and T. S. Radhakrishnan. 809
Elemental Characterization of Jharia's Coal :
S. Priyokumar Singh, Chander Bhan,
S.N. Chaturvedi and N. Nath. 812
Design Considerations of Bridgman Anvil HighPressure Apparatus : Mohammad Yousuf and
K. Govinda Rajan. 815
Angular Correlation of Positron Annihilation
Photons in Solids : C. S. Sundar, A. Bharathi,
K. P. Gopinathan, S. K. Sarkar and B. Vlswanathan. 816
Doubly Oscillating Quartz Crystal for Thin Film
Thickness Measurement : D.K. Kaushik,
S.K. Chattopadhyay and N. Nath. 818
Growth of NaCl Single Crystal by Gel
Technique : C. C. Desai and J. L. Rai. SI >
On the Dielectric Behaviour of NaN02 and TGS :
B. R. Madhu, Ramanath Ravi, T, Shripathi and
P. S. Narayanan.
AUTHOR INDEX