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TRANSCRIPT
RECENT TRENDS IN
HIGH PRESSURE RESEARCH
Proceedings of the
XIII AIRAPT International Conference on
High Pressure Science and Technology
7-11 October 1991
Edited by
Anil K. Singh
OXFORD & IBH PUBLISHING CO. PVT. LTD.
New Delhi Bombay Calcutta
CONTENTS
Preface: A.K. Singh V
ELECTRONIC PROPERTIES
Pressure-induced Effects and Phase Transitions in Semiconductors
(Bridgman Medal Lecture) 3
S. Minomura
Pressure Effeot on Electronic Band Structures in
(AIAs)m (GaAs)m Superlattices 13
S. Minomura, S. Hitomi and K. Takarabe
Pressure Effect on Deep Donor States in Si-Doped AlxGa,.xAs 16
S. Minomura, H. Ashizawa and K. Takarabe
Semiconductor Quantum Wells and Heterostructures under High Pressure* 19
H.R. Chandrasekhar and M. Chandrasekhar
High Pressure Studies of Semiconductor Optoelectronic Devices
and Low Dimensional Structures* 25
K. Poguntke, D.J. Dunstan andA.R. Adams
Pressure-tuned Resonance Raman Scattering in Ga^l^As/Ga^AlyAsMultiple Quantum-Well Structures* 31
A. Jayaraman
Phase Transitions in AlAs/GaAs Superlattices 38
U.D. Venkateswaran, L.J. Cui, B.A. Weinstein andF.A. Chambers
Steady-State and Time-Resolved Optical Investigations of
Semiconductors under Pressure* 41
K. Reimann, M. Holtz, K. Syassen, J. Nunnenkamp, J. Kuhl,
R. Notzel, A.J. Shields and K. Ploog
Characterization of Bulk EL-2 Trap in GaAs under Pressure 47
A.K. Saxena and R.P. Benyon
'Invited lectures
VII
Excrtonic Insulator Phase in TmSe044 Teow 50
B. Bucher, P. SteinerandP. Wachter
Effect of Pressure on the Magnetic Transitions in Cr0WRh00, 53
T.G. Ramesh and V. Shubha
Electronic Properties of Some PdTM Alloys (TM-Transition Metal)under the High Hydrogen Pressure 56
A.W. Szafranski, SM Filipek and I. Kownacka
Non-linear Optical Measurements of Electronic Structures of Alkali
Halides, Aromatic Hydrocarbons and Xenon at High Pressures* 59
W.B. Daniels, Zu-he Yu, J. Blechschmidt, M. Lipp, D. Strachan,
D. Winters, C. Yoo and H.M. Zhang
Resonant Raman Scattering and Photoluminescence Studies
in Semiconducting Nanocrystal Composites and
Colloids at High Pressures 65
John Schroeder, Markus R. Silvestri, Xue-Shu Zhao,Peter D. Persans and Lih-Wen Hwang
Lanthanides and Actinides under Pressure—Related But Not Identical* 68
U. Benedict
Behaviour of Uranium under Pressure—Recent Results* 74
P. Ch. Sahu, Mohammad YousufandK. Qovinda Rajan
Theoretical High Pressure Studies In LaS 80
S. Sankarallngam, S. Mathi Jaya, R. Jagadish and R. Asokamani
Ground State Properties and Pressure Studies of
Antiferromagnetic MnRh 83
R. Jagadish, S. Mathi Jaya and R. Asokamani
Effect of Pressure on the Fermi Surface of Metals* 86
R. Ahuja, A.K. Solanki, T. Nautiyal and S. Auluck
Fermi Surface of Copper under Strain 91
R. Ahuja, A.K. Solanki, and S. Auluck
The Fermi Surface of VB Transition Metals: Under Hydrostatic Pressure 94
A.K. Solanki, R. Ahuja and S. Auluck
Effect of Pressure on The Electron Energy Levels of Aluminium
Cluster Using MSX-Alpha Method 97
K. lyakutti and M. Thiagarajan
High Pressure Properties of SrGe03 from Band Structure Calculations 100
S. Mathi Jaya, P. Ravindran and R. Asokamani
VIII
First Principles Study of the Electronic Structure of Tin
at Different Pressures 103
H.G. Salunke, G.P. DasandN.E. Christensen
MOLECULAR VIBRATIONS
Vibrational Spectroscopy of High Pressure Phase Transitions* 109
W.F. Sherman
Optical Properties of Ammonium Nitrate Salt Solutions Studied
by Raman Scattering 115
John Schroeder, Ying—Te Lee and Chung—Sun Choi
Raman Scattering Study of Molecular Motion of Iodine
Precursory to Its Dissociation at 21 GPa 119
Y. Hayashi, Y. Fujii, H. Fujihisa, K. Aoki, H. Yamawaki,O. Shimomura and K. Takemura
High-Pressure Raman and Brillouin Studies of
Hydrogen Sulfide up to 23 GPa 122
Hiroyasu Shimizu and Shigeo Sasaki
High Pressure IR Study of Solid CM 125
H. Yamawaki, K. Aoki, Y. Kakudate, M. Yoshida, S. Usuba,H. Yokoi, S. Fujiwara, Y. Bae, R. Malhotra and D. Lorents
PHASE TRANSITIONS AND EQUATIONS OF STATE
High-Pressure X-Ray Diffraction Study on Electronic
S-D Transition in Zirconium 131
Yuichi Akahama, Mototada Kobayashi and Haruki Kawamura
Equation of State and Phase Transformations Study of Nd at
Ultra-high Pressures* 134
J. Akella, G.S. Smith, J.Z. Hu andS. Weir
Neutron Diffraction Studies of Me-H Systems at Pressures up to
7.5 GPa* 139
S.P. Besedln, V.P. Glazkov, I.N. Goncharenko, A.V. Irodova
and V.A. Somenkov
Electron Density Distribution in Solid Iodine Refined byMaximum Entropy Method 145
H. Fujihisa, Y. Fujii, M. Sakata, M. Takata, Y. Kubota, K. Takemura
and O. Shimomura
A Neutron Diffraction Study of The High Pressure Phases of
Cyclohexane-D12 148
N.B. Wilding, P.D. Hatton and G.S. Pawley
IX
Investigations of Some Structural Phase Transitions at High Pressures
(Thesis Lecture) 151
Hema Sankaran
Pressure-induced Phase Transformation of Quasicrystals 156
V. Akahama, Y. Mori, M. Kobayashi, H. Kawamura,
K. Kimura and S. Takeuchi
High Pressure X-Ray Diffraction Studies on Amorphous Selenium 159
Mohammad Yousuf, P.Ch. Sahu, N.V. Chandra Shekar,
M. Mahendran and K. Govinda Rajan
Pressure and Temperature Dependence of the Lattice
Parameters of TiD, M 162
Syed B. Qadri, E.F. Skelton, M. Nagumo, A.W. Webb,
F.E. Lynch and R.W. Marmaro
Pressure Induced Crystalline Transformations of Diluted
Magnetic Semiconductors* 165
S.B. Qadri, E.F. Skelton and A.W. Webb
Pressure Induced Transformations in CdTe096Se004 169
SyedB. Qadri, E.F. Skelton, A.W. Webb, E.R. Carpenter Jr.
and Jim Kennedy
X-Ray Diffraction From a Sub-Micrometer Bismuth Single Crystalunder a Pressure of Several GPa 172
E.F. Skelton, J.D. Ayers, S.B. Qadri, K.P. Cooper, J.Z. Hu,L.W. Finger and H.K. Mao
Pressure-induced Disordering of Structure in Eu2* Activated Sr-Borates 175
Liu Weina, Liu Hongjian, Feng Yuchen, Sun Shulan,Guan Zhongsu and Su Wenhui
Study on Quasicrystal Formation of AI^Co^Mn^ by Quenchingunder High Static Pressure 178
Yu Richeng, Xu Dapeng, Su Wenhui and Chu Shucheng
The Formation of Quasicrystal in AI077Mn019Yb004 by Quenchingunder High Static Pressure 181Su Wenhui, Xu Dapeng, Xu Xingtang, Yu Richeng and Xing Zhiming
High Pressure X-Ray Studies on LaUx Ba2.x Cu3Oy System 184T.S. Subba Raman, T.S. Sampath Kumar and S. Natarajan
Effect of Pressure on the Lattice Distortion of Indium 187
K. Takemura
High-Pressure X-Ray Diffraction Study of Cesium up to 92 GPa 190K. Takemura, O. Shimomura, and H. Fujihisa
x
Successive Phase Transitions in the Three-DimensionalHalogen-Bridged Mixed-Valence Compound Rb Au Iunder High Pressures
2 2 6
A. Tanaka, H. Sato, N. Kojima, T. Kikegawa and O. Shimomura^
X-Ray Diffraction During Shocks*1QR
R.R. Whitlock and J.S. Wark
The Equation-of-State For PdD0 4at High Pressure
202Ji-an Xu andM.H. Manghnani
Evidence For A T—> T Structure Transition underPressure in La,4Nd06CuO4F. Arrouy, C. Cros, G. Demazeau, O.Schulte and W.B. Holzapfel
Shock Compressibility of Substances at -10 Mbar Pressures 208B.K. Vodolaga
High Pressure Structural Sequences of Group IV Transition Metals 211HuiXia, Yogesh K. Vohra and Arthur L Ruoff
Pressure Raman Scattering in LiRbS04 214F. Camargo, V. Lemos andA.C. Hernandes
A High Pressure Raman Study of Low and High TemperatureForms of Octahalo Cyclic Tetramer, P4N4CI8 217
D. Victor, S. Muthu, N. Chandrabhas, A.K. Sood, P. Venugopalan,K. Venkatesan and A. Jayaraman
High-Pressure Raman and Brillouin Studies of Sulfur Hexafluoride
up to 10 GPa 220
Shigeo Sasaki and Hiroyasu Shimizu
Spectral, Chemical, and Phase Changes at High P and T:
Recent Results for NH3. H20, Ruby, and MgAI204 Spinel* 223
M. Nicol, T.F. Cooney, H. Cynn, A. Koumvakalis, S.K. Sharma and J. Yen
Brillouin and Raman Scattering Studies of Oxide Glasses
under High Pressure 229
John Schroeder, Thomas G. Bilodeau and Susanta K. Saha
XAFS Studies of Perovskite Related Materials at High Pressure 233
R. Ingalls, B. Houser and E.D. Crozier
Raman Spectroscopy at Simultaneous High Pressure and
Temperature: Phase Relations of CaC03 and the Lattice
Dynamics of the Calcite i± CaC03 (II) Phase Transition*
Nancy J. Hess, Subrata Ghose and Gregory J. Exarhos
236
XI
Raman Scattering Study of Phase Transitions in Resorcinol
at High Pressure
S.K. Deb, M.A. Rekha, A.P Roy, V. Vijaykumar, S. Meenakshi
andB.K. Godwal
Raman Study of Pressure Induced Structural Transitions in
Csl04to12GPa 245
N. Chandrabhas, D. Victors. Muthu, A.K. Sood, HI. Bhat
and A. Jayaraman
ESR Investigations of the Ferroelectric Transition in
Ca2 Sr (C2H5COO)6: Mn2t Crystals under Hydrostatic Pressures 248
T.N. Sairam and S. V. Bhat
ESR Studies of Ca2 Pb (C2H6COO)6: Mn2' Single Crystalsunder Hydrostatic Pressures 251
T.N. Sairam and S. V. Bhat
Pressure Induced Glasses (Plenary) 254
S.K. Sikka
Molecular Dynamics Simulations of Pressure Induced Crystal to
Amorphous Transitions in Some Corner Linked PolyhedralCompounds 259
S.L. Chaplot and S.K. Sikka
Orientational Disorder and Pressure Induced Amorphisation in
Lithium Potassium Sulphate* 262
Akhilesh K Arora and T. Sakuntala
High Pressure Phase Transitions in AgGaSe2: A RamanSpectroscopic Study 268Akhilesh K. Arora, T. Sakuntala and L. Artus
Pressure Induced Phase Transition in LiCsS04:A Raman Spectroscopic Study 271M.N. Shashikala, N. Chandrabhas, A.K. Sood and A. Jayaraman
High Pressure Phase Transitions in Silica and Beriinite byMolecular Dynamics Simulations* 274John S. Tse and Dennis D. Klug
Pressure Induced Anomaly at Tc in Metglas 2605A 280V. Shubha and T.G. Ramesh
Pressure Induced Second Order Transition in Nickel 283V. Shubha and T.G. Ramesh
Critical Point For The S-M Transition in Smna,Dyn 10S 286V. Shubha and T.G. Ramesh°82 °18
XII
Effect of Electric Field on Permittivity of Antiferroelectric CupricFormate Tetrahydrate under Hydrostatic Pressure 289Sanji Fujimoto and Ken Kanai
Pressure Induced Semiconductor-to-Metal Transition inthe Three Dimensional Halogen-Bridged Au Mixed-ValenceCompound Rb2Au2l6 292N. Kojima, R. Kato and F. Amita
Structural Phase Transitions and Metallization in the
Three-dimensional Mixed-Valence CompoundsCs2Au2X6 (X = CI, Br, I) under High Pressure 295N. Kojima, H. Kitagawa, T. Kikegawa, O. Shimomura,H. Takahashi and N. Mdri
Crystallization of Semiconducting Chalcogenide Glassesat High Pressures* 298
E.S.R. Gopal
Equilibrium Microstructure Formation During Pressure-inducedPhase Transition* 304
M. Riedel and R. Daessler
The Pressure and Temperature Dependence of the Kinetics of
Crystallization of Amorphous Selenium 310
Murali Mohan and Anil K. Singh
The FCC-BCC Transition in Ytterbium under High Pressurization Rates 313
Anil K. Singh
High Pressure Studies on Mg4CuAI$, Mg3Zn3AI2, Amorphous Ni (P)and Microcrystalline Pd (P) 316
C. Karunakaran, S.N. Vaidya, M.K. Totalani, S.N. Athavale andG.K. Dey
Pressure Effect on Martensitic Transformations in Fe-Ni
and Fe-Pt Invar Alloys 319
S. Nakamichi, R. Tanaka, S. Endo, F. Ono, T. Kakeshita and K. Shimizu
Theoretical High Pressure Studies of the Binary Nitrides* 322
P.E. Van Camp, V.E. Van DorenandJ.T. Devreese
Pressure Variation of the (c/a) Ratio of Zinc from the First
Principles Electron Band Theory
S. Meenakshi, V. Vijayakumar, B.K. Godwal and S.K. Sikka
Group IV B Elements under Pressure: A Comparison between
Theory and Experiments
JyothiS. Gyanchandani, S.K. Sikka and R. Chidambaram
328
331
xm
Theoretical Equation of State of the Primitive Hexagonal Phase
of Silicon 335
A. Neethiulagarajan and V. Vijayakumar
High Pressure Phase Transition in IV-VI Compound Semiconductors* 338R.K. Singh and D.C. Gupta
Effect of High Pressure on Elastic Behaviour of Tin Chalcogenides: SnTe 343
D.C. Gupta and R.K. Singh
OPTICAL PROPERTIES
Spectroscopic Studies on Diamond Anvil under Extreme
Static Stresses (Plenary) 349
Yogesh K Vohra
Refractive Index in a Loaded Diamond Anvil: Possible
Ghost Plasma Edges 359
Arthur L. Ruoff and Huan Luo
Refractive Index of Diamond under Pressu re 362
M.I. Eremets, V.V. Struzhkin, Ju. A. Timofeev, A.N. Utjuzh, A.M. Shirokov
Influence of Paramagnetic Defects on Raman Scattering in
Diamonds of Different Origin 365V.D. Andreyev, T.A. Nachal'naya and Ye. V. Gabrusenok
Fluorescent Spectrum of Ruby under High Pressure and
Pulsed High Magnetic Field 368S. Endo, K. Yamamoto, A. Yamagishi, H. Mikami, H. Hori and M. Date
Luminescence of Sm2+ Ions in Non-Cubic High Pressurea Phase of Divalent Fluorides 371C.S. Yoo, N.C. Holmes andH.B. Radousky
Optical Absorption and Reflection Studies on Sulfur:Evidence for Metallization 374H. Luo, S. Desgreniers, Y.K. Vohra and A.L. Ruoff
High Pressure Photoluminescence Study of Single Crystals of C * 377A.K. Sood
The Emission Spectra of SrB.,0^ X : Eu2+ (X « F, CI)Synthesized under High Pressure
"
383Liu Weina, Sun Shulan, Guan Zhongsu, Gao Diankun,Liu Hongjian and Su Wenhui
Influence of Pressure on the Luminescence of Exchanged Eu (III) :A and Eu (III) :Y Zeolite
386Liu Xiaoyang, Sun Jiayao, Su Wenhui and Pang Wenqin
XIV
High Pressure and Low Temperature Luminescent Spectraand Crystal Parameters of Eu3t in Host Crystal Na5Eu (W04)4 389Chang-Xin Guo, Hong-bin Cui, Bi-lin Li and Yue-fen He
SUPERCONDUCTIVITY
Superconductors and High Pressure* 395E.F. Skelton, N.E. Moulton, S.A. Wolf, D.H. Liebenberg,S.B. Qadri, A.W. Webb andD.D. Berkley
Pressure Dependence of To in the Family YBaCuO 401B. Bucher, E. Kaldis, S. Rusiecki and P. Wachter
The Pressure Dependence of the Magnetic ExchangeInteraction in Eu2Cu04 and YBa2Cu062
404M.I. Eremets, A.A. Maksimov, A.V. Lomsadze, A.V. Puchkov,V.V. Struzhkin, I.I. Tartakovskii
Resistivity Studies on Pr Substituted YBa2Cu307.5under High Pressure 407
S. Arumugam, V. Sankara Sastry and S. Natarajan
Pressure Effects on Modulated Structure in Bi-Based
Superconductors 410
T.S. Sampath Kumar, K. SankarandS. Natarajan
On The Interpretation of High-Pressure Resistivity Results on
Chevrel Phase Compounds and High Tc Superconductors 413
V.S. Sastry, Y. Hariharan, B.K. Guha, M.P. Janawadkar and
T.S. Radhakrishnan
Pressure Induced Phase Transitions in YBa2Cu408 Superconductor 416
B.P. Singh, S.P. Pande, R.K. Nayar, B.V. KumaraswamyandA.V. Narlikar
Thermoelectric Power of YBa2Cu408 under Pressure 419
Sheela K. Ramasesha and Anil K. Singh
Influences of Hot- and Cool-Pressure on Phase Transition of
Structure and Superconductivity in YBa2Cu307^ 422
Wang Yifeng, Su Wenhui, Liu Hongjian, Li Liping and Sun Baoquan
Pressure Dependence of High-Tc Superconductors* 425
Rinke J. Wijngaarden, J.J. Scholtz, E.N. van Eenige, K. Heeck
and R. Griessen
Investigation of Superconductivity in Nb-Ti up to 6GPa 431
S. Arumugam, V.S. Sastry, S. Kalavathi, Y. Hariharan,
S. Natarajan and T.S. Radhakrishnan
xv
Metallisation and Possible Superconductivity in Csl at High Pressure* 434R. Asokamani, G. Subramoniam and Mercy Amirthakumari
Superconductivity of Simple Cubic Antimony under Pressure 437B. Palanivel and M. Rajagopalan
Electronic Structure and Superconductivity of BCC Zirconium
by LMTO Method 440B. Palanivel and M. Rajagopalan
TRANSPORT PROPERTIES
Thermophysics at High Pressure* 445G. Backstrom
Thermopower as a Tool in High Pressure Research* 450T.G. Ramesh and V. Shubha
Thermoelectric Power of Bismuth up to 9 GPa 456Sheela K. Ramasesha, C. Divakar, P.S. Gopalakrishnanand Anil K. Singh
High Pressure Studies of Resistance Anisotropy ofthe Layered Semiconductor InTe
459S. Asokan, E.S.R. Gopal, S. Pal and D.N. Bose
Measurement of the Pressure Dependence of the ElectricalResistance of Nickel at Temperatures up to 750 K 462Murali Mohan, M.A. Parameswara and Anil K. SinghIs There an Anomaly in the Pressure Derivative of Resistivityat Tc in Nickel ?
, 465T.G. Ramesh and V. Shubha
High Pressure Effect on Low Dimensional Conductors* 468S. V. Subramanyam
Effect of Hydrogen Dissolved under High Pressure onLow-Temperature Electrical Resistivities of AmorphousPd/Transition-Metal/Si and Crystalline Pd/Noble-Metal Alloys 474A.W. Szafranski
A Study of High Pressure Behaviour of BulkAs2X3 (X = S, Se, Te) Glasses
477S.S.K Titus, S. Asokan, R. Ramakrishna and E.S.R. GopalElectrical Conductivity and Thermo-Power of GaP and ZnSin the Pressure Range 20-50 GPa
4onA.N. Babushkin * u
XVI
Semimetallic State of Alkali Halides at Pressures Above 20 GPaA.N. Babushkin
483
LIQUID, LIQUID CRYSTALS AND POLYMERS
Fluids at High Shock Pressures and Temperatures (Plenary) 487W.J. Nellis and AC. Mitchell
Fluids with State-Dependent Electronic Structure* 492
F. Hensel, M. Stolz, G. Hohl, C. Pilgrim and R. Winter
Self-Diffusion in Compressed Supercritical Water:
A Molecular Dynamics Study 498A.G. Kalinichev
Combustion and Flames in Supercritical Fluids to 2000 bar* 501
E.U. Franck
Equation of State of Some Normal Alkanes 507
V.K Sachdev
Isothermic Freezing Pressures of Some Binary Dilute Solutions
in Benzene at High Pressures 511
D. Dudek and B. Baranowski
Observations of Triply Reentrant Behavior and
a Multicritical Point in a Single Component Liquid Crystal Systemat High Pressure* 514
V.N. Raja
High Pressure Studies of Materials Exhibiting Fluid to
Hexatic Phase Transitions in Liquid Crystals 520
D.S. ShankarRao, V.N. Raja, S.Krishna Prasad and S. Chandrasekhar
Smectic A-Smectic C-Hexatic B Meeting Point at High Pressure—
A New Multicritical Point 523
Geetha G. Nair, V.N. Raja, S. Krishna Prasad, S. Chandrasekhar
and B.K. Sadashiva
Rotational Viscosity in The Ferroelectric C*Phase—A HighPressure Study 526
S.M. Khened, S. Krishna Prasad. V.N. Raja, S. Chandrasekhar
and B. Shivkumar
Effect of Pressure on the Spontaneous Polarisation,the Critical Unwinding Field and the Transverse Dielectric
Constant in Ferroelectric Liquid Crystals 529
S. Krishna Prasad, S.M. Khened, V.N. Raja, S. Chandrasekhar
and B. Shivkumar
XVII
Brillouin Scattering of Lubricating Oils under High Pressure 532
Y. Nakamura, I. Fujishiro and T. Tamura
Structure of Liquid Bismuth under Pressure 535
K Yaoita, K Tsuji, Y. Katayama, J.Q. Chen, N. Koyama,T. Kikegawa and O. Shimomura
Is There a Unique Equation of State for an Elastomer ?* 538
D.P. Dandekar and J.L. Green
CHEMICAL REACTIONS AND CRYSTAL GROWTH
Can Steric Hindrance Be Overcome in an Organic Reaction?A Pressure Answer* 547
G. Jenner
High Pressure Dimerization of a Gem-disubstituted Cyclopropene.Evidence of Cyclopropene-Vinylcarbene Equilibrium 553M. Miesch, F. Barth, M. Franck-Neumann and G. Jenner
Pressure-induced Retardation of Steric Isomerizations
in Highly Viscous Media 556K Cosstick, T. Asano and N. Ohno
Study by Xanes Spectroscopy of Bromine Organic Compoundsunder High Pressure 559F. Cansell, D. Fabre, J.P. Petitet, J. P. Itie and A. Fontaine
Influence of Oxygen Pressure on the Stoichiometry, StabilityRange and Superconducting Properties of the T/O TypeLa2_xNdxCu 04+6 Solid Solution 562F. Arrouy, A. Wattiaux, C. Cros and G. Demazeau
Unusual Oxidation States of Transition Elements 565G. Demazeau, S.H. Byeon andJ.H. Choy
Spectacular Increase in the Rate of High Pressure Diels-AlderReactions Over a Narrow Pressure Range 569R.W.M. Aben, J.A. KeijsersandJ.W. Scheeren
High Pressure Synthesis of Nd2_xCexCu04 Samples andTheir Properties 573Liu Hongjian, Li Liping7 Wang Yifeng and Su Wenhui
Megabar Chemistry 576Arthur L Ruoff
Fluorescence Spectra of Some Laser Dyes at High Pressures 579A.P.G. Kutty, S. Venkateswaran, S.N. Vaidya and V.B. Kartha
XVIII
Crystal Growth of Semiconductors and Superconductors underHigh Gas Pressure*
S. Porowski, I. Grzegory and A. Morawski
GEO AND PLANETARY SCIENCE
582
Advances in High Temperature Research in Diamond Cells(Frontier lecture)
591R. Boehler
Miscibility of Hydrogen and Helium Mixtures at Megabar Pressures* 601J.E. Klepeis, K.J. Schafer, T.W. Barbee III and M. Ross
High Pressure Properties of Silicates and Consequences for
Planetary Evolution*606
S. Franck
Infrared Studies of Glasses and Crystals of Olivine Compositionsat High Pressures $11S.-Y. Wang, T.F. Cooney and S.K. Sharma
Effect of High P and High T on Olivines—A Raman Spectral Study 614S.K. Sharma, T.F. Cooney and S.-Y. Wang
Modelling of Shock Wave Motion in Quartz-Containing Rocks
by Equilibrium Model 620
B.K. Vodolaga
Synthesis of Quartz under Hydrothermal Conditions: A Comparison 623
R.S. Rawat
Solubility of Chlorine in the Leuco-Granitic Melt at 5 Kbar Pressure
and 800°C-1000°C Temperature 626
R.S. Rawat and D.H. Green
Techniques of Trapping the Synthetic Fluid Inclusions from
a Leucogran'rte in the Quartz Discs at High P-T Conditions 629
R.S. Rawat and D.H. Green
Research on Transformation of ZSM-5 Zeolite under High Pressure
and Temperature 632
LiuXiaoyang, Su Wenhui, Wang Yifeng and Zhao Xudong
Thermobaric Dependences of Physical Parameters of Rocks
and Petrophysical Models of the L'rthosphere 63S
T.S. Lebedev
xix
SUPERHARD MATERIALS
Shock-compression Properties of Ceramics (Plenary) 641
D. Grady
Treatment of Advanced Materials by High Dynamic Pressures* 651
V.F. Nesterenko
New Crystalline Forms of Diamond Produced by a Rapid Cooling
Technique under Shock Compression 656
K. Kondo and H. Hirai
Synthesis of Diamond by Explosive Methods 659
B.K. Vodolaga, A.T. Sapozhnikov and LI. Filatov
Shock-wave Fabrication of Nanocrystalline Materials* 662
K Kondo
Synthesis and Properties of Isotopically Pure (Isopure)Diamond Single Crystals 668
Suresh S. Vagarall and William F. Banholzer
Some Features of the Growth Process of Diamond at High Pressure* 671
M. Wakatsuki
Experimental Simulation of Diamond Genesis 676
A.I. Chepurov and I.I. Fedorov
The Behavior of (i-C) and (a-C) Diamond-like Films andPressures up to 80 GPa 678V. Andreyev and A. Goncharov
New Routes for Preparing Cubic Boron Nitride: Synthesis andCrystal Growth* 681G. Demazeau
New Concept of the Synthesis of Cubic Boron Nitride* 687Satoshi Nakano and Osamu Fukunaga
On the Use of Non-conventional Catalyst Solvent on theSynthesis of Cubic Boron Nitride 692MM Bindal, B.P. Singh, R.K. Nayar, S.K. Singhal and R. Chopra
Sintering of Silicon Carbide and Silicon Nitride under High Pressureand High Temperature 695C. Divakar, O.N. Gregoriev, S.S. Dzhamarov,A.V. Bochko and Anil K Singh
XX
MECHANICAL BEHAVIOUR AND PROCESSING OF MATERIALS
Dislocation Mechanics and Shock Deformation* 701
V. Ramachandran, R.W. Armstrong, D.D. Barker, C.S. CoffeyR.D. Dick, W.H. Holt, J.B. McKirgan, W. Mock, Jr., W.G. Sop'erJ.D. Williams, F.J. Zerilli and X.J. Zhang
Shock Compression of Gas-saturated Powder Materials 709
N.S. Kostyukovand Yu.D. Shishkin
On the Oblique Collisions of the Metallic Plates at Extreme Conditions* 712
A.A. Deribas, A.I. Culidov, B.S. Zlobin, V.V. Kiselev, V.M. Fomin,
I.I. Shabalin and A.A. Shterzer
A Nontraditional Piercing Process Using High Pressure 719
Y. Kurosaki
Effect of Plastic Deformation at High Pressures and Low Temperatures
on Structure and Properties of Materials 722
N.V. Shishkova, V.M. Shepel and E.N. Malyshev
Phase Transformation and Strengthening of Metastable Fe-Mn
Steels under High Pressures 725
8.M. Efros, S.V. GladkovskiyandS.V. Smirnov
Pressure Treatment of Two-phase Titanium Alloys 728
B.M. Efros, T.P. Zaika, Yu.T. Antonishin andA.A. Popov
Effect of Deformation under Pressure on Structure and Propertiesof bcc and hep Polycrystals
731
B. Efros, L. Loladze and V. Yushkov
On Viscous Destruction of Materials under Pressure 734
Ya. Beigelzimer, L. Loladze and B. Efros
HIGH PRESSURE TECHNIQUES
Hypervelocity Launch Capabilities to over 10 Km/s* 739
Lalit C. Chhabildas
Response of Shock-loaded Ceramics Determined with
In-Material Manganin Gauges*747
N.S. BrarandZ. Rosenberg
Angle Dispersive Powder Diffraction Techniques for
Crystal Structure Refinement at High Pressure (Plenary) 753
R.J. Nelmes, P.O. Hatton, M.I. McMahon, R.O. PiltzandJ. Crain
Miniature Diamond Anvil Cells763
M.I. Eremets, A.M. Shirokov and A.V. Lomsadze
xxi
A Miniature Clamp Type Diamond Anvil Cell for X-Ray and
Optical Measurements766
V. Vijayakumar, S. Meenakshi, B.K. Godwal, S.K. Sikka
and R. Chidambaram
X-Ray Diffraction in the 500 GPa Range: Prospects for
Attaining 1 TPa (Plenary)769
Arthur L. Ruoff
Is a Static Pressure of 1 TPa Possible ? 779
Arthur L Ruoff and Huan Luo
Uniaxial Stress Component in Au in Au-Zr Mixture
Compressed up to 30 GPa782
AnilK. Singh, Kalyani Vijayan, HuiXia, Yogesh K. Vohra
and Arthur L. Ruoff
The Peak Position and the Profile Near the Peak of an
X-Ray Diffraction Line from a Specimen under Pressure Gradient 786
Anil K. Singh
Theory of Response of Ruby Fluorescence to External Stresses* 790
grinder M. Sharma and Y.M. Gupta
The 250 GPa Limit of the Ruby Pressure Gauge 798
Arthur L. Ruoff
Estimation of Pressure in the Diamond Anvil Cell with
"Rounded-Cone-Plane" Anvils 801
A.N. Babushkin
On High Pressure Standards* 803
B.K. Godwal and Raymond Jeanloz
Simple Sapphire Ball Cell for High Pressure Studies in the Ultraviolet 809
W.B. Daniels, M. Lipp, D. Strachan, D. Winters andZu-he Yu
Optical Fibers in Liquid-Crystal High-Pressure Sensing 812
Tomasz R. Wolinski and Wojtek J. Bock
Universal Stress Generating Device for Investigations of Optical Fibers 815
Roland Wisniewski and Wojtek J. Bock
Computer Aided Technique for the Determination of Ultrasonic Transit Time 818
C. Divakar, B.S. Adiga and AnilK. Singh
Density Measurements of Te under High Pressure 821
V. Katayama, K Tsuji, K Yaoita, J.-Q. Chen, N. Koyama,T. Kikegawa and O. Shimomura
XXII
ANew Apparatus to Conduct Variable Temperature High PressureMossbauer Spectroscopy*
y r,essure
C.A. McCammon 824
827
Pressure Behaviour of 200-t Cubic Press Below 2.5 GPaat Room TemperatureMM Bindal, B.P. Singh, R.K. Nayar, S.K. Singhal and Rajeev Chopra
A High Resolution Resistivity and Thermopower Set Up for
High Pressure-High Temperature Studies Mf)
V. Shubha and T.G. Ramesh
An IBM-PC Add-on Card for Automated High Pressure HighTemperature Resistivity Measurements 834
J. Jayapandian, B. Purniah, CM Chittaranjan, P.Ch. Sahu,O.K. Sheela andKP. Gopinathan
Effect of Pressure Transmitting Fluids on the Accuracy of
Pressure Measurement* 837
J.K.N. Sharma
A Comparative Study of Pneumatic Pressure Measurements
to 1 MPa by Different Primary Methods 843
K. Jain, C. Ehrlich, J. Houck, B. Welch and J.K.N. Sharma
An Approach to the Use of Controlled Clearance Piston Gagesin Different Modes 846
K. Jain, C. Ehrlich and J. Houck
Determination of Argon Triple Point Pressure 849
A.K. Bandyopadhyay, J.K.N. Sharma, W. BlankeandJ. Jager
A Systematic Study on the Effective Area of the
Piston Gauges with Four Different Gases up to 5 MPa 852
J.K.N. Sharma and A.K. Bandyopadhyay
MISCELLANEOUS
NMR at Pressures up to 10 GPa: Probing Electronic Structures
and Diffusion in Alkali Metals*857
D. Brinkmann
Shock-induced Radiation Related to the Shear Bands in Fused Quartz 863
K. Kondo and T. Hiramatsu
Shock Compressibility of the TATB-based Explosive Composition
in the Pressure Range from 0,1 to 40 GPa
E. V. Shorohov and B. V. Litvinov
866
XXIII
Shock Waves Configurations in Cylindrical Loading Arrangements(Computer Simulation) 869V. Andreyev, N. Nikityuk and O. Leshchenko
Theoretical Calculation of the Bulk Modulus of the C^Molecule and Crystal* 872
Rodney S. Ruoff
Pressure Induced Elastic Anomaly in Zn 878
SurinderM. Sharma, S.K. Sikka and R. Chidambaram
Pressure Dependence of the Elastic Constants of PolycrystallineTitanium Diboride 881
A. Abbate, J. Frankel and D. Dandekar
Elastic Properties of Ge-Sb-Se Glasses under Pressure 884C. Divakar and Anil K Singh
Elastical Properties on High Tc Superconductor (YBajCUgO^Composites at High Pressures up to 0.4 GPa 887
Ru-ju Wang, Ji-an Xu, and Murli H. Manghnani
Measurement of the Velocity of Sound in Aqueous Solutions of
NaOH between 20 and 350°C and 0.1 and 300 MPa 890
J.-P. PetitetandD. Vrel
Pressure-tuning Infrared Spectroscopic Study of Human Cancers:Structural Modifications at the Molecular Level* 893
P.T.T. Wong
On Possibility of Coherent Nuclear Reactions at AtmosphericPressure and at High Pressures* 899S.N. Vaidya
Effects of Hydrostatic Pressure on the Shear Properties on
Graphite/Epoxy Composite Material* 904K.D. PaeandE.S. Shin
Density Change Corrections for the Transformed VolumeFraction Obtained from Resistometry 913Murali Mohan and Anil K Singh
Author Index gi7
xxiv