PROCEEDINGS THE NUCLEAR · 2008-07-15 · -11 ~ L&tiice Parameter and Electrical Relativityof...
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PROCEEDINGS OF THE
NUCLEAR PHYSICS AND SOLID STATE PHYSICS SYMPOSIUM
PUNE, DECEMBER 26-30, 1977
VOLUME 20C
SOLID STATE PHYSICS
UNIVERSTAT33IBUOTHEKHANDOVER
TECHNISCHE
INFORMA7 iONSSlBLIOTHEK
ORGANISED BY THE
DEPARTMENT OF ATOMIC ENERGY
GOVERNMENT OF INDIA
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CONTENTS
I. LOW TEMPERATURE BEHAVIOUR OF SOLIDS AND
LIQUIDS
Orbital Precession in Superfluid He-A : P. Bhattacharyya 1
Coherence Factors in Excitonlc Insulators : R. E, Amrltkar
and N. Kumar 4
Coupling of the Martensitic Transformation with the Super¬
conducting Transition : B. K, Chakrabarti, B. P. Barua and
S.K. Sinha > 7
Effect of Transverse dC Injection on the I-V Characteristici
of Superconducting Microbridges : G. Dharmadurai and
B. A, Ratnam 11
II. ELECTRONICS PROPERTIES OF SOLIDS
Positron Angular Correlation Studies in Iron-Nickel
Alloys : T. Nagarajan, A. Narayanasamy, S..Ramasamyand V. Manohar 15
Cluster Model Studies of LiCl In Water s A. Seth,E.J. Baerends and T. Paakkari
4
18
Temperature Dependence of Positron Annihilation in
Vanadium Hydrides : S. MantI and R. M. Singru 21
Electron Momentum Distribution and Compton Profiles in
Vanadiums K.R.K. Gandhi and R. M. Singru 23
Two-dimensional Positron Angular Correlation Curves in
Copper : R. M. Singru and P. E. Mijnarends
Theoretical Compton Profiles in Vanadium and Palladium
Hydrides : K. R.K. Gandhi, R. M. Singru and D. G. Kanhere
Temperature-Dependent Electronic Contribution to Shock
Hugoniot Equation of State of Aluminium : B.K. Godwal,
S.K. Sikka and R. Chidambaram
26
29
Positron Annihilation Calculation for High 2 Metals Using
RAPW Functions : K. lyakutti and V. Devanathan 32
33
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L&tiice Parameter and Electrical Relativity of
Uranium Cat-tide to 120 KBAR : Rita Kapoor,
/, Saukara Saotry and K. Govinda Rajan
On Certain Functional Analytical Aspects of Band-
Edg» States j R. Subramanian and K. V. Bhagwat
Effect of Correlation on the Band-Structure of
Magnesium : R. Asokamani, R, S. Rao, K. Iyakuttiand V. Devanathatt
ATA and the Complex Energy Bands of Binary Alloys s
N, C. Debnath and S. Chatterjee
An Ablnltlo Study of Plasma Oscillations in free ElectrGas : R. K. Kher and M, G. Bhide
Donor Energy States in GaP ; M. Robert Singh andS. Balasubramanian
On the Polaraalc Stata s T. K, Mitra
Dynamical Correlations in a Classical One ComponentPlasma ;*H. B, Singh, Aruna Sharma and K. N. Pathak
Frequency Dependence of the Local Field Factor of an
Electron Liquid i B.K. Rao, S.8, Mandal and D. N.Tripafehy
Electron-Electron Umklapy Scattering Processes inSodium j O.'N, Awasthi and S. Sail eh
Bound State of Two Collective Excitations in an
Electron Gas s D. N, Tripathy and P. Deo
Plasmon Dispersion in H Metal for Large WaveVectors : R.K. Pal and D, N. Tripathy
New Trends in ESCA Shifts : M. N. Ghatikar andB. D, Padalia
Metal Non-Metal Transition in Oxides of TransitionMetals - A Theoretical Study : M. L. Kalra and
U, N. Upadhyaya
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Paa
The Impurity Dependent Intrinsic Resistivity of Indium :
S. M. Sharma 75
79
Stopping Power of Solids for Energetic Ions in Planar
Channeling : Anand P. Pathak
Low Temperature Electrical Resistivity of Potassium, s
N. C. Mohapatra and P. K. Misra83
Evaluation of Overlap Integrals in SjC : Manikarnika Lagu 87
Electronic Energy States of Films and Surfaces :
M. Nandi and S. Chatterjee go
Determination of Colloidal Size by Positron AngularCorrelation : T. Nagarajaa, S. Ramasamy,.Y. V. G. S. Murti and N. Sucheta 89
Effect of Pressure on the Electrical Resistance of the
Charge Transfer Complex Benzidine-DDQ : A. V. Nalini,
S, Chatterjee, S. V. Subramanyam and S. N. Vaidya 90
Electrical Resistivity due to Dislocation only :
Debadideb Bhattacharya aad A. S. Ghosh 94
Recovery in Neutron Irradiated Tungsten '. M. Sf Anand,
a. M. Pande and R. P. Agarwala 98
Electrical Conductivity Measurements in Ammonium
Sulphate : N. Hariharan and Georgina Mary Rani 101
Comparative I-V Studies on Thin Films of Copper Oxide,
Ferric Oxide and Copper Ferrite : S. A. Patll, A. U. Patil,
A. Y. Khot, R.N. Patll and B. G. Brahmecha 102
Electrical Conductivity and Microhardnesa of Single
Crystals of Potassium Chloride : J. R. Pandya and R. T. Shah 104
Decay and Recovery of Internal Voltage in MIM Sandwich
Structures Using Organic Molecular Films as Dielectric • 105
A.K. Kapil and V.K. Srivastava
Dielectric Constant Measurement of Copper Ferrite Thick
Films at Microwave Frequency : A. U. Patll, S. R. Sawant,
J. I. PawarandR. N. Patil 106
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Temperature Dependence of Dielectric Loss in OrganicMolecular Films : A. K. KapiL S. K. Gupta and
V„K. Srivastava 108
Electrical Conductivity and Dielectric Properties, of Some
Cobalt-Zinc and Barium Ferrites : V. R. K. Murthy and
J, Sobhanadri 10q
Current-Voltage Characteristics of Lead Zirconate~
Lead Titanate SolidlSolutions : C. P. De, P. S. Prasad
and Ramji La 210
Variation of Surface Space Charge Layer and
Potential with Temperature in Silver Bromide Crystals :
Mahendra Singh and O. P. Khandelwai 111
Sensitization of Selenium Photoreceptors by PhthalocyantnePigments : P. C. Meaendru, S„ Radbakrishnan and
N. L. Pathak UZ
Avalanche Breakdown in Ferroelectric BaT10_ and KNbO
Single Crystals : V. G. Kher, K. R. Bagree and
D. A. Deshpande 113
Photodielectric Effect (PDE) in Pbl, Single Crystal :
P.K. C. Pillai, R.G. Mendiratta, C. K. Pillai and
R. Nath 117
Annealing Behaviour and Hall Effect in Thin LayeredCu-Sn Films : K. Narayandas, M. Radhakrishnan and
C. Balasubramanian 121
Conductivity of Thin Bismuth Films at Microwave
Frequency ; S. A, Gangal and R. N. Karekar 124
Field Dependence of Resistance and Grain Size Variation
with Substrate Temperature in Discontinuous Sn Films :
M. S. Jagadeesh and Damodara V, Das*
27
Preparation of Alloys Cu. Se2 Sn and Study of Their
Electrical Conductivities : ueetha Subramanian and
S. Srinlvasan 130
The Klfect of Temperature an Evaporated Stearic Acid Film
Capacitors : R. KasUingam, C. Balasubramanian and
M. Radhakrishnan - 133
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Distribution of Dipoles in VC : VAc Copolymer Films :
N. P. Gupta, Kamlesh Jain and P. C. Mehendru 136
Charge Transport Mechanism in Polyvinyl Fluoride Films :
P. C. Mehendru, N. L. Pathak and Suresh Chand 139
Electronic Conduction in Eosin Doped Polyvinyl Alcohol :
P. C. Mehendru, N. L. Pathak and S. Radhakrishnan 142
Electrical Properties of Poiyferrocene Films :
Shireesh D, Phadke, R. N. Karekar and
K. Sathianandan 146
Thermally Stimulated Current Studies in DopedPolystyrene t P. K. C. Pillai and Rashmi 150
Adiabatic Hall-Effect : B. S.'V. Gopalam 153
Temperature Dependence of the Extra-Ordinary Hall
Constant of Copper Ferrite Thin Films : S, R, Sawant,A. U, Patil, S.A, Patil, A. Y. Knot and R. N. Patil 157
Electrical Transitions in CuSO,. 5H O Single Crystals ;
D.A. Deshpande, P.N. Nandi and VTG. Kher 159
Space-Charge Limited Currents in Ferric Oxide : D. K. Jain
and J, C. Garg 161
Electrocaloric Effect in Ferroelectric KNbO, SingleCrystal: A. G. Katpatal and K. G. Deshmukh 162
Electrical Properties of Ferroelectric-Glass Compositions :
A. G. Katpatal and L. J'. Raibagkar 164
Green's Function Theory of Ferroelectric Phase Transitions
in Hydrogen-Bonded System : S. Ganguli and B. K. Chaudhuri 165
On the Ideality Factor of a Schottky Contact :
A.N. Daw, A.K. Datta and S. B. Roy 168
Temperature Dependent Oxide Charge in MOS Structures
with. ULtrathin Oxide : Vikram Kumar and Walter E. Dahlke 171
Barrier Lowering in Metal -N+(Thln)-N Diode in InP :
G. S. Visweswaran, R. Sharan and C. N. Krishnan 174
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-VI-
£ass
A Study of Interface States in MOS Structure by Field
Effect, C-V andl-V Characteristics Measurements :
J, Majhi and M, S. Jagadeesh 177
Energetic Ion Backscattering and I-V Characteristics
of Schottky Barrier Contacts on InSb : A. Agrawal, 180
A. K„ Majumdar and R. Sharan
Photocapacitance Studies In Metal Oxide Semiconductor
Structures s M„ Mohan Chandra and G. Suryaa 183
Behavirol Characteristics of Glassy As-Ge-Te and Se-
Ge-Te Alloy-Systems : A, Kumar, O. S. Panwar, .D. R. Goyal,K.N. Lakshminarayan and K. K. Srivastava .187
Photo-Voltaic Spectrum of Polycrystaliine Silicon
Schottky Barrier Diode : P. Caleb Dhanasekaran
and B. S. V„ Gopalam 190
Effect of Thermal Annealing in Hydrogen Atmosphereon the Interface States of Gallium Arsenide and,"ttsNative Oxide :fi,M, Arora and A. M, Narsale 193
A Study of Photo Dielectric Effect in Tin Doped Gallium
Arsenide at High Frequencies : V. K. Farkya and
N. L. Porwa) 196
Pseudopotential Theory and the Impurity States in Ge :
E„ Palaniyandi and S. Balasubramanian,
197
Ton Implantation in Amorphous Germanium and Silicon :
P. Sekhar, M. C. Joshi, S. Guha and K. L. Narasimhan 1.98
Studies of Silicon Implanted with High Doses of NitrogenIons : A. D. Yadav and M. C. Joshi 200
Electron Irradiation in Amorphous Silicon s R. S. Deshmukh,
S. Guha and K. L. Narasimhan 203
Electron-Transport Through Neutron-Irradiated
In-CdS-In Structure : P,C. Srivastaya 206
Effect of Electrodes on Thin Films of CdS : A„ K. Tewari,
M. Datta and D. L. Bhattacharya 209
Electrical Conductivity, Thermoelectric Power, Optical
Absorption ^nd Structure of Thin Ge and GaSb Films :
B. S. Naidu,1 S. Mohan and P. Jayarama Reddy 212
Electrical Conductivity and Optical Absorption Studies in
InAs and InTe Thin Films : A. K. Sharma, D. V. K. Sastryand P. Jayarama Reddy 215
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Effect of Anisotropic Energy Surfaces and the SpatialDispersion of Dielectric on the Hubbard Model :
P. L. Geetha and S. Balasubramanian 218
Semiempirical CNDO Methods and the Binding Energy of
Group (III-V) and (II-VI) Compounds : K. S. Kulkami,J. S, Murthy and C. R. Sarma 221
Pressure Gradients of Energy Gaps of DegenerateSemiconductors • D. K. Roy and R. Y. Thakur 225
Behaviour of Mixed P- and N-Semiconducting Oxides :
R. K. Ponde, H. V. Keer and A. B. Biswas 229
Positron Life-Time Measurements in Gallium Arsenide
Single Crystals : K. P. Gopinathan, C. S. Sundar,V. Swaminathan and B. Viswanathan 232
Surface Structures of Semiconductors ': John Ridgway 236
Field Enhancement of Photoemission in an Alkali
Antimonide Photocathode : C. Ghosh and B. P. Varma 240
III. DYNAMICAL AND THERMAL PROPERTIES OF
SOLIDS AND LIQUIDS
Rotational Dynamics of Ammonium Ions in Octahedral
Surroundings : B. A. Dasannacharya, P. S. Goyal,S. K. Sinha and C. L. Thaper 243
Rotational Form Factor of NH4I : B. A. Dasannacharya
and-P. S. Goyal 247
Coexisting Phases in NH^I : P. S. Goyal and
B. A. Dasannacharya 250
Ultrasonic Attenuation and Velocity in Transformation
Products of Steel : G. Chengalrayan and
V. Padma Nabha Sarma 253
Lattice Dynamics of oC -Potassium Nitrate :
S. L. Chaplot, K. R, Rao, A.H. Venkatesh and
P. R, Vijayaraghavan 257
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Infrared Study of Optical Phonons in
CsMnCl,. 2H O Crystal j Bhagwan Siagh, Y. S. Jain
and B.N. KnWa 262
Neutron Inelastic Scattering from Glycine and
Dl- 0^ -Alanine : C. L. Thaper, S. K. Sinha and
B. A. Dasannacharya 266
An Irreversible Structural Phase Transformation in
Nickel Sulphate Hexahydrate s A, K. Upadhyaya and
H. D. Bist 269
Effects of the Nonlocality and Depletion Hole in the
Lattice Dynamics of d-Barid Metals ; J, Kumar and
J. C. Upadhyaya 270
Normal Modes of Oscillations of Lattices with
Arbitrary Boundary Conditions : R.N. Chaudhurl and
R. K. Kar 274
Phonon Dispersion in Rare Gas Solids Derived from a
New Many Body Potential : S. Lehri and M. P. Verma Z77
A Model Approach to a Consistant Calculation of
Lattice Dynamics of Alkali Metals s D, Sen,S. K. Sarkar and D. Roy 280
Three-Body Interaction and Lattice Dynamics of
Metals : S.K. Das, S. K. Sarkar and D. Roy 284
The Expression for Lundqvist Three-Body Interaction
in Shell Model s S.K. Sarkar and S. Sengupta 287
Coherent Potential Approximation for a Diatomic
Linear Chain having Mass and Force Constant Changes :
P. Nayak and S.N. Behera 290
Temperature Dependence of Specific Heat and OrdeB
Parameter of p-n Heptyloxy Benzylidene-p-Amino-benzoic Acid : C, Manohar, V. K. Kelkar and
J. V. Yakhmi 293
Lattice Thermal Conductivity of Lithium Fluoride at
Low Temperatures : V. Radhakrishnan and
P. C. Sharma, 296
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Temperature Variation of Thermal Expansion of
KF by X-ray Diffraction and Energy of Vacancy-
Pair Formation ; N. M. Pandya and N. P. Shah 299
Evaluation of the Third Order Elastic Constants and
the Pressure Derivatives of the Second Order Elastic
Constants of T1C1 and TIBr : V.K. Garg, D. S. Puri
and M, P. Verms 301
Third-Order Elastic Constants of Gold : B. P. Barua and
S. K. Sinha 304
Lattice Theory of the Elastic Dielectric and Its
Application to Centro Symmetric Cubic Structuased
Solids : S. C. Goyal, O. P. Sharma, Vinod Kumar
and Jai Shanker 305
Temperature Dependence of Absorption Peak in Ionic
Crystals: M. R. Monga, V.K. Jindal and K. N. Pathak 306
Mean Square Displacement of an Atom in an Anharmonic
Crystal : V.K. Jindal, M. R. Monga and K. N. Pathak :("
Lattice Relaxations near a Vacancy in Copper :
S.K. Sen and M. B. Dutt ,ra
A Modified Force Constant Approach : S.K. Sarkar
and S. Sengupta 311
Space Group Change Accompanying Order - Disorder
Transition in (NH4), CuCl4> 2^0 : M. L. Bansal,
V. C. Sahni and A. P. Roy 312
Polar Mode Softening and Elastic Anomaly Temperatures
of Partially Deuterated KDP : G. K. Roy and
B.K. Chakrabarti3I6
Far-Infrared Transmission in Pb-Ge-S Amorphous
Semiconductors ; K. L. Bhatia and S. C. Katyal 320
On Woodcock Potential : K.P. Thakur and B.N. Jha 323
Pressure Dependence of the Critical Coexistence Curve
in Three Binary Liquid Mixture : A. Sivaraman,
A.K. Bandyopadyay, V. C. Padaki and E. S. R. Gopal 327
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Detection of the Gravity Effect cm Critical Binary
Liquid Systems : Anil Kumar, M. K, Tiwari,S„ Jyothi and E. S. R. Gopal 330
Frequency Dependence of Critical Resistivity in BinaryLiquids ; Anil Kumar and E. S. R, Gopal 333
A New Statistical Mechanics s G. Suryan 336
Thermal Variation of Specific Heat of Chromium
Potassium Akmi in the Temperature Range 77 to 300K :
S.S. Mitra, &v"k. Ghorai and S. K. Dutta Roy 340
Temperature Dependence of the Density, Volume'ExpansionCoefficient and Tilt Angle of HxBPA for 250 K«CT^.340K :
K. Usha Deniz, A, I. Mehta, U. R. K. Rao,P. S. Farvathanaihaa and A. S, Paranjpe 344
Electron-Phonon Interaction in Doubly Doped Germanium
at Low Temperatures : Surendra Sindh and G. S, Verma 347
Thermal Expansioa of CoSi F^6H20 near its Phase
Transition Temperature : A. N. Das, N. Chatterjee,B. Ghosh and S. Nath 348
Scattering of Long Wave Phonons by Dislocations in
Plastically Deformed Germanium : S. Singh and K, C, Sood 349
Semiconductor-to-Metal Transition in Pure and V-DopadTi Oj : A, M. Shaikh, M. A. Vis-wamitra and C. N. R. Rao 352
Quantum Mechanical Formulation of Phonon Attenuation
in N-Type Semiconductors -with ZB Structure :
Mahiradhwaj Singh 356
Electron-Phonon Interaction in N~Type HI-V Semiconductor :
Mahiradhwaj Singh 359
Phases and Phase Transitions in the Compound p-n-
Alkoxybenzylidene-p-Aminobenzoic Acids :
K. Usha Deniz, A. S. Paranjpe, P. S. Parvathanathan,
E. B, Mirza, A.I. Mehta and K. S. Patel 362
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~xi-
Refractive Indices and Orientational Order of Nematic
N-(4-Hexyloxybenzylidene)-p-Toluldine :
R. Somashekar and D. Krishnamurti 366
Electron Microscope Observation of Damage in Heavy
Ion Irradiated Silicon : L. E. Thailamanl and M. C. Joshi 369
Blistering by Helium Ion Bombardment s D.K. Sood,
M. Sundararaman and R. Krishnan 373
Empirical Rules for Substitutionality in Metastable
Surface Alloys Produced by Ion Implantation : D.K. Sood 376
Structure Investigation of Different Varieties of Indian
Silk by X-Ray Diffraction : N. V. Bhat and G. S. Nadiger 380
Infrared and X-Ray Diffraction Studies of Preswollen
Polymers : Nylon 6 : L. P. Singh and N. K. Chaudhuri 384
Small-Angle X-ray Investigation of Macromolecular
Deformation of Cellulose-I in Sisal Fiber : A. Patel 387
Collective Motions in Liquid Aluminium : G. S. Dubey,
D. K. Chaturvedi and K. N. Pathak 390
Backflow Effect in Classical Systems, IIOne-Component
Plasma : G. S. Dubey, P. K. Kahol and D. K. Chaturvedi 393
Backflow Effect in Classical Systems I. Liquid Rubidium :
P.K. Kahol, D.K. Chaturvedi andK. N. Pathak 396
Rotational Correlation in Cyclohexane by Raman Scattering :
M. L. Bansal and A. P. Roy 399
Radial Distribution Function of Pure Borate Glass :
B. Jayaswal and S. C. Sen 403
Orthoboric Acid : An Unsisual Ferroelastic : V. K. Wadhawan 404
Surface Segregation in Allays t Vijay Kumar, Deepak Kumar
and S.K. Joshi408
Localisation of Electrons in Disordered Systems :
A. Mookerjee and V. Choudhry 411
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tY- MAGNETIC PROPERTIES OF SOLIDS
Coercive Force and Perpendicular Anisotropy of
Electro-Deposited Nickel Films : V. Jayaraman and
S.K. Dutta Roy 415
Susceptibility Critical Point Exponents for Some Mixed
Garnets: C. Srinivasan, Om Prakash and R. Aiyer 418
Effect of External Electric Field on Anomalous
Mossbauer Llneshapes ; R, Nagarajan and J.K. Srivastava 421
Low Temperature Susceptibilities of BIS (Dithlocarbamates)Iron Chloride : S. N. Bhatia and R. L. Carlin 424
Super-Exchange Interaction In Spinel Ferrimagnetics :
C. M. Srivastava, N. G. Nanadikar and G. Srinivasan 427
Magnetic Properties of Rare-Earth Ions in a Tetragonal
Crystalline Field of Zircon Structure Systems : Vlnod Kumar
and K. Chandra 430
Effect of An Electric Field on the De Haas-Van AlphenOscillations : Sudheer M. Phatak and Abbas A. Rangwala 433
Magnetic Properties of Ni,-Fe-Cr Alloys : A. Sinha and
A. K. Majumdar 436
Orbital Magnetic Susceptibility of Divalent HCP Metals :
S. P. Mohanty and P. K. Misra 437
Spin Susceptibility of Interacting Electrons in Metals :
S.K. Misra and P.K. Misra 438
Isotropic Ferromagnets with Biquadratic Interactions :
G. Chaddha 439
An Anisotropic Heisenberg Antiferromagnet Using theSecond-Order Green's Function Theory : R. Brahmachariand S. B. Bhattacharya 441
A Uni-Axial Heisenberg Ferromagnet : R. Brahmachariand K. G. Chakraborty 444
Itinerant Actiferromagnetism in Hubbard Model ;
K. Eapen and D. K. Ghosh 448
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Pagl-
Spin Correlation Functions in Magnetic Polymers :
Mustansir 'Barma 452
Solution of the Three Magnon Bound State Equation :
C.K. Majumdar and Indrani Bose 456
Theory of Magnetic Susceptibility of Tetrahedral
Semiconductors : T. Sahu and P. K. Misra 459
Quantum Effects on Coupled Transitions :
B.K. Chakrabarti 463
Magnetoresistance in Spin Glasses : A. K. Nigam and
A.K, Majumdar 467
Magnetic Contribution to the Electrical Conductivity in
Spin Glasses : Abhijit Mookerjee 470
Two Approaches to Spin-Glass Phase Transitions :
S.G. Satyanarayana,: N. Devaraj and N. Kumar 473
Excitations in Spin Glasses : Renu Bhargava and D.Kumar 476
Thermodynamics of a Simple Site Quenched MagneticMixture : N. K. Jaggi and K. R. P. M. Rao 480
Cobalt-Gallium Alloys : A Cluster Spin-Glass System? :
R. Vijayaraghavan, A. K. Grover, L. C. Gupta, K, Asayama,M. Matsumura, M. Nakano and K. Ueno . 483
Antiferromagnetism in Mixed Heusler Alloy (Cu, Pd),Mn Al : S. K. Paranjpe, Wathik N. A. Raazak and
R. J. Begum 486
Moment Distributions in Nickel-Ruthenium Alloys :
R. Chakravarthy, L. Madhav Rao, Z. Jirak and
N. S. Satya Murthy 489
Magnetic Properties of the System Znj^COgCr^Se^ :
S. G. Gokarn, H. V. Kiran, A. L. Shashimohan,
D.K. Chakrabarty andA B. Biswas 492
Study of Phase Transition in Ferrous Fluoborate
Hexahydrate at 274 K : B. K. Chaudhuri and K. Das 496
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-XIV'
• Studies on Paramagnetic Defects and Weiss Constant
in CaSO s By end CaSO : Bi Phosphors : S. H. Pawar,M, R. Mulla and S. G. Saftais
Hyperfine Field Studies in Magnetically Ordered
Samarium Alloys ; R. Vijayaraghavan
Transferred Hyperfine Effects in the 3iP NMR of Rare •
Earth Phosphates : M. Bose, M. Bhattacharya and
S. Ganguli
3• Co NMR Studies of the Spin-State Equilibria in Rare
Earth Cobaltates ; M, Bose, A. Ghoshray, A. Basu,S. Kollall and C. N. R. Rao
NMR in Ferromagnetic Cobalt Heusier Alloys s
V. Nagarajan
Hyperfine Field Studies in Gold Based Heusier Alloys ;
A. K. Graver, LVDang Khoi and P. Veillet
Mossbauer Study of Epidotes and Pyroxyenes of Indian
Origin : R. P. Tripathi, Usha Chandra, A, Krishnamurthy
am' .-', Lokanathan
A Mossbauer Spectroscopy Study of Natural Alteration of
Tlmenites : N. K. Jaggi, K. R. P M. Rao and
N. P, Subramanyam
Calculation of Second Order Doppler Shift for a Lattice
Containing Point Defect : S. K. Roy, K, Momon Singh and
D. L. Bhattacharya
Lithium NMR in Single Crystal of Lithium CopperChloride
, ZH-jO s V. Nagarajan and N. C. Vissia
Zero-Field NMR Studies in Ferrlmagnetic'Mn2Sb :
K. V. S. Rama Rao, S. L. Pinjare and C, Ramasastry
. '2+Ground State Wave Function and &* g of Cu loa :
B. N. Misra, Faujdar and Ram Kripal
NMR Determination of Hydrogen Atom Positions in
Crystalline Hydrates : V. Nagarajan and T. F. Sunderraj
Mossbauer Effect Study of 83Kr in Rubidium Halides :
D. C. Gupta, N. D, Sharma and Jahan Singh
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and
4
Page
Magnetic Susceptibility of ZnMn.O -MgAl O
CdMn204-MgAl204 Systems : M^G. Bodaff,
H. V. Keer and A. B. Biswas 536
Magnetic Behaviour of Transition Ion Complexes with
Different Llgands : B. N. Misra and Ram Kripal 539
Effect of Spontaneous Polarization on D-Tensor of
Mn - Doped in Ferroelectric NaN02 : Akhilesh Kumar
Jain and G. C. Upreti542
Temperature and Angular Variation of Line Widths and
Spin Hamiltonian Parameters of EPR Spectra of Mn
in Sodium Nitrite : Akhilesh Kumar Jain and G. C. Upreti 546
ESR Study of Cr Centre in the Ferroelectric Ammonium
Sulphate.: C. V. Manjunath and R. Srinivasan 549
Low Temperature Phase Transitions in Lanthanide Double
Sulphates : V. M. Malhotra and H. D. Bist552
Observation and Study of Electron Paramagnetic Resonance
of Vanadyl Ions Doped in Some Paramagnetic Tuttcm Salts :
R. S. Saraswat and G. C. Upreti 555
2+ESR Study of Mn - Doped Dicalcium Barium Propionate ;
V. Dhar, N. C. Mishra and R. Srinivasan 558
Optical and E. S. R. Studies of X-Irradiated Potassium
Zinc Sulphate Hexa Hydrate Doped with Nickel: S. Madhu
and B. S. V. S. R. Acharyulu
Electron Spin Resonance Studies of 31 Electron Oxides :
N. Hariharan 563
561
ESR Study of rj -Irradiated Cd(BrO ),. 2H20 : D. L. Sastry
and K. V. S. Rama Rao 566
Temperature Dependent EPR of Mn2+ in TMCC and T MCC :
K. K. Surendran, K. V. Lingam, M.J. Rao and
B.N. Bhattacharya567
Jahn Teller Effect of Cu2+ Ion: An EPR Study :
K. K. Surendran, K. V. Lingam, M. J. Rao and
B.N. Bhattacharya 570
Jahn-Teller Effect in Copper Doped Zinc Tris
(Ethylenediamine) Chloride : S. G. Sastry, M. J. Rao,
K. V. Lingam and B. N. Bhattacharya 573
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-xvi-
E. S. R. Study of Cu++ Doped CdIm3S04H20 :
R.K. Sharma, K, V. Lingam, M.J. Rao and
B.N. Bhattacharya 576
ESR Study of NO Radical in Rb2 Th (N03)6 :
T. K. Gundu Rao, K. V. Lingam and B. N. Bhattacharya 579
Nof+ Radical in K2(U02) (N©3)4 : An ESR Study :
T.K. Gundu Rao, K. V. Lingam and B.N. Bhattacharya 582
Rotary Modes In the Molecule 2-Amino~5-ChloropyridineUsing NQR Data : S. P. Basavaraju and N. Devaraj 585
Zeeman Effect of Chlorine NQR and Intramolecular
Hydrogen Bonding in 2, 5-Dichlorophenol :
R. Chandramani, N. Devaraj, K. R. Sridharan and
J, Ramakrishna 589
Nuclear Quadrupote Resonance Investigations in Phaspha-zenes n : Study of Ethylene Diamino Tetrachloro Trimeric
Cyciophosphazene : K. R. Sridharan, J. Ramakrishna and
S. S. Krishmamurthy 590
V. OPTICAL PROPERTIES OF SOLIDS
Pure and Rare Earth Doped ZnO Electroluminors :
S. Bhushan, A.N. Pandey and Balakrishna Rao Kaza 591
2+Optical and Transport Properties of RoI:Sn Crystals :
S. B. S. Sastry, K. Balasubramanyam, S. Madhu and
B. S. V. S. R. Acharyulu 596
Ultra-Violet Absorption Produced by Phosphorus Ion
Implantation of Fused Silica : J. M. Luthra, P. K. Bhattacharyaand N. Sarma 599
Nature of Defects in NaF:LiF : S. V. Moharil and
B. T. Deshmukh 603
Fluorescence and Excitation Spectra of NH4Br+TlBr Mixed
Phosphor : V, B. Sharan, D. N. S. Srivastwa and S. C. Sen 606
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-xvii-
Pape
AC Electroluminescence in ZnS Thin Films :
John Sebastian and R. N. Karekar 610
Pure Crystal Phosphorescence of 1-NaphthoI audits
Mechanism : N. S. Gangakhedkar and N. K. Chaudhuri 611
Anomalous Effect of Low Doping on Vibrational Exciton
Splitting in Benzoic Acid Single Crystals : A. V,. Namjoshi and
N.K. Chaudhuri 615
Triplet Exciton Traps in Pure Acetanilide Crystals :
A. V. Namjoshi and N. K. Chaudhuri 619
Photoconduction in Benzanthrone Thin Film : M. R. Padhye,
T. S. Varadarajan and L. N. Chaturvedi 622
Two-Phonon Resonant Raman Scattering in Silicon :
K. P. Jain and C. S. Jayanthi 626
The Valence Band Anomaly In GaSe : Rita Gupta 629
Photoconductivity of Alkali Doped CdS Thin Films :
S. H. Pawar, A. G. Shikalgar and B. B. Bargale 633
Infrared Laser by Proton Tunnelling r Pradip N. Ghosh and
D. L. Bhattacharya 637
Electronic Dielectric Constant Versus Interatomic
Distance ln'AN B8 Compounds : K. C. Rustagi 640
Laser Excited Raman Spectrum and Vibrational Dynamics
of MnCl ,
2H O : B. K. Srivastava, D. P. Khandelwal and
H.D. Bi2st L644
A Tunable Coherent Source at 16 nm Using Nonlinear
Optical Mixing in Solids : P. K. Gupta and K. C. Rustagi 648
Resonant Modes due to H -D Pair Impurity in KC1 r
R.K. Gupta, A.K. Singh and P. Mathur 651
Resonant Modes due to H Ions in Alkali Halides
Containing Additive Cation Impurity : R. K. Gupta and
A.K. Singh652
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-XV111-
EMS.
Anisotropy of Folarlsabilitles and Internal Field in
Crystals s D. Revannasiddaiah and D. Krishmamurti 653
VI. INSTRUMENTATION FOR SOLID STATE STUDIES
Design and Construction of a Solid State Pulsed NMR
Spectrometer ; R. K. Shenoy and J. Ramakrishna 655
A High Speed Digital Signal Averager for Pulsed NMR:
R, Srinivaaan, J. Ramakrishna and S. R, Rajagopalan 659
Minimisation oi Phase Distortion in Pulsed NMR
Studies s R.N. Roy 662
Deposition and TEM Studies of Aged YF3 and TbF
Thin Films : U. Kumar, P.N. Singh, S.K. Agarwal;A. K. Nigam and S. P. Singh 665
Thickness Measurement of Thin Films by XRF Analysis
and its Comparison with Quartz Crystal Oscillator
Technique : D.K. Kauahik, S. Priyokumar Singh,S.K. Chattopadhyaya and N. Nath 667
An I. C. Pulse Interference Technique for Measurement
of Ultrasonic Velocities in Solids : V. Kesava Raju and
P. Jayarama Reddy 669
A He-Cd Laser for Raman Studies : M, L, Bansal 672
A 3 - Sample, 6 - Lead Brldgman Anvil Assembly for
Resistivity Measurements to 100 KBAR : V. Sankara
astry, Rita Kapoor and K. Govinda Rajan 675
A 30KeV Ion Implantation System with a Velocity Filter
for Mass Separation s G. S. Vlrdi, M. D. Agarwal,
S. K. Chattopadhyaya, V. K. Mathur and N. Nath 679
Temperature Controller for Magnetic SusceptibilityMeasurement : A. Khan and C.K. Majumdar 680
Electrical Conductivity of a Vacuum Evaporated Germanium
Films Using a New Type of Sample Holder : K. K. Bhale and
S. S. Shah 682
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-XIX-
Simple Resistance Technique to Measure the
Activation Energy and Mobility of Electromigration in
Amorphous Semiconductors : O. S. Panwar, D. R. Goyal,A. Kumar, K. K. Srivastava and K. N, Lakshminarayan 683
Design of an Indigenous Light Scattering Dust Particle
Counter : Chatar Singh, S.K. Chattopadhyaya,V. K. Mathur and N. Nath 686
AUTHOR INDEX 692