Proceedings of the Twelfth International Conference on the Physics of Semiconductors: July 15 – 19, 1974 Stuttgart

Front Matter....Pages 1-18
Front Matter....Pages 21-21
Theory of the Electron-Hole Fluid....Pages 23-32
Experimental Aspects of Electron-Hole Drops in Semiconductors....Pages 33-41
Multiple-Exciton Complexes Bound to Neutral Impurities in Si and Ge....Pages 42-50
Microwave Electric Susceptibility of Electron Hole Droplets in Germanium....Pages 51-55
Properties of Electron-Hole Drops in Germanium Revealed by Their Size Distribution....Pages 56-60
Surface Properties and Collective Modes of Electron-Hole Droplets in Ge, Si and Strained Ge....Pages 61-65
Uniaxial Stress and Temperature Dependent Stability of Electron-Hole Drops in Germanium....Pages 66-70
The Electric Charge of the Electron-Hole Drops in Ge....Pages 71-75
Breakdown and Condensation of Excitons in Ge....Pages 76-80
Electron-Hole Liquid in High Magnetic Fields....Pages 81-85
Luminescence Properties of the Electron-Hole Liquid in Highly Excited Pure and Heavily Doped Germanium....Pages 86-90
Properties of Electron-Hole Droplets in Germanium....Pages 91-95
Polarization of Exciton and Biexciton Luminescence in Deformed Germanium....Pages 96-100
Observation of Microwave Dimensional Resonances of Large Electron-Hole Drops in Ge....Pages 101-104
Luminescence from Interacting Electrons and Holes in Germanium....Pages 105-109
Front Matter....Pages 111-111
Bose Condensation of High Density Exciton System in Semiconductors....Pages 113-122
High Excitation Luminescence of CdS....Pages 123-127
Structure of the Biexciton Molecule and Optical Transition Selection Rules in Zincblende and Wurtzite Materials....Pages 128-132
Excitonic Molecules in Copper Halides....Pages 133-136
Coherent Interaction of Bose-Condensed Bi-Excitons with Radiation Field....Pages 137-141
Front Matter....Pages 111-111
On the Bose-Einstein Condensation of Free Excitons in AgBr....Pages 142-146
Investigation of Electron-Hole Plasmas in Pure GaAs by Excitation Spectroscopy with High Resolution....Pages 147-151
Excitation Spectra and Phase Transition of Excitons in Ultrapure Germanium....Pages 152-156
Front Matter....Pages 159-159
The Anisotropy of Electroreflectance and Band Structure Analysis....Pages 161-168
Self-Consistent Screened Exchange Calculation of Silicon Band Structure....Pages 169-173
Correlated Hartree-Fock Energy Bands for Semiconductors....Pages 174-178
Metastable Self-Trapping and Anomalous Temperature Dependence of Hole Mobility....Pages 179-183
Aspects of the Molecular Non-Molecular Transition in Se and Te....Pages 184-188
Influence of Light on the Elastical Modulus in CdS....Pages 189-193
Bond-Charge Model for Phonons in Semiconductors and its Application to Infrared and Raman Spectra....Pages 194-198
A Bond Charge Model of Lattice Dynamics....Pages 199-203
Sound Velocity in Zero Gap Semiconductors with the Zinc Blende Structure....Pages 204-208
Grüneisen Parameters and Phonon Spectra of Germanium and Silicon....Pages 209-213
Theory for the Contributions of Noncentral Forces to the Second and Third Order Elastic Constants in Diamond, Zinc-Blende and Wurtzite Type Crystals....Pages 214-218
Front Matter....Pages 221-221
Transport Phenomena in Low Mobility Material Like p Type GaSb under Uniaxial Stress....Pages 223-227
Anomalous Transport Phenomena in Oxygen Containing Silicon....Pages 228-232
Direct Measurement of Polaron Lifetime in Degenerate InAs....Pages 233-233
The Relation Between One-Phonon and Resonant Indirect Two-Phonon Scattering Rates....Pages 234-238
Magnetoresistances in Tellurium at Low Temperature....Pages 239-243
Negative Magneto-Resistance in Semiconductors : Estimation of the Quantum Effect....Pages 244-248
Front Matter....Pages 221-221
Influence of Magnetic Field Induced Localisation on the Transport Properties of n-InSb in the Quantum Limit....Pages 249-253
Resonant Change of Intrinsic Concentration in the Magnetophonon Effect....Pages 254-258
A Study of Intervalley Scattering in n-Si Using Magnetophonon Resonance....Pages 259-263
Theta-Pinch Experiments in InSb....Pages 264-268
Hopping Conduction and Non-Ohmic Properties of Lightly Doped N-Type Gallium Arsenide....Pages 269-273
Front Matter....Pages 275-275
Semiconducting Diamond....Pages 277-285
Electrical Properties of Boron Monophosphide Epitaxially Grown on Silicon Substrate....Pages 286-290
On the Properties of a New Wide-Gap Semiconductor α -AlB 12 ....Pages 291-295
Photoconductivity of Zn-Doped GaN....Pages 296-300
Proustite (Ag 3 AsS 3 ) — An Almost Ideal Nonlinear Material....Pages 301-305
Subhalides of Tellurium: A New Group of Compounds with “Modified” Tellurium Structures....Pages 306-310
Valence Band Structure of CuGa 1−x In x S 2 Alloys....Pages 311-315
Lattice Dynamics of I-III-VI 2 and II-IV-V 2 Semiconductors....Pages 316-320
Infrared Reflectance in Quaternary Alloys: Ga 1−x Al x As 1−y P y ....Pages 321-325
Optical Properties of Single Crystal Tin Sulphide....Pages 326-330
Front Matter....Pages 331-335
Binding to Chemical Impurities in Semiconductors....Pages 336-340
Spectral Studies of Weakly-Bound States in Semiconductors in Sub-MM Range....Pages 343-343
Ultrapure Germanium....Pages 345-354
Front Matter....Pages 355-362
Emission Involving Indirect Minimum in GaAs....Pages 363-370
Electron Capture into the Ground State of Shallow Donors in GaAs....Pages 343-343
Bound Exciton Luminescence Associated with the Deep Oxygen Donor in Gallium Arsenide....Pages 371-375
Photo-Ionization Selection Rules for Deep Oxygen States in GaP....Pages 376-380
A Description of Bound Holes as Diatomic Molecules....Pages 381-385
On the Theory of Impurity States in Semiconductors....Pages 386-390
Two-Electron States of GaP : O....Pages 391-395
Theory of the Compensation-Induced Parity-Forbidden Excitation Spectra of Shallow Impurities in Semiconductors....Pages 396-400
Nonradiative Capture and Recombination at Deep Centers in GaP and GaAs by Multiphonon Emission....Pages 401-405
Vibronic Antiresonance and Autoionization in the Optical Spectra of Ti(d 2 ) Impurities in Semiconductors....Pages 406-410
Impurity States in Tellurium under High Pressure....Pages 411-415
Complex Magnetic Field Splitting of Double-Acceptor Donor in CdS....Pages 416-420
Deformation Potentials for Deep Acceptor States in Cubic Semiconductors....Pages 421-425
Front Matter....Pages 426-430
Resonant Light Scattering by Phonons in Semiconductors....Pages 431-431
Light Scattering Study of Anharmonicity of Lattice Vibrations in GaP....Pages 433-433
Effect of Doping on the Resonance Raman Scattering in InSb Near the E 1 Transition....Pages 435-444
Raman Scattering Due to Coupled Phonon-Damped Plasmon Mode in N-GaAs....Pages 445-452
Non-Equilibrium Distribution of Polaritons Induced in Bulk GaAs by Absorption of Second Harmonic Photons....Pages 453-457
Theory of Resonant Raman Scattering in a Strong Electric Field....Pages 458-462
Exciton Enhanced Raman Scattering of LO Phonons in Trigonal Se....Pages 463-467
Front Matter....Pages 468-472
Raman Studies of the Semiconductor to Metal Transition in Ge(As)....Pages 473-477
Dispersion of Plasmon-Phonon Modes in Degenerate Polar Semiconductors....Pages 433-433
Front Matter....Pages 478-482
Carrier-Two Phonon Interaction in Semiconductors....Pages 483-485
Theory of Strongly Resonating Anomalous Two Phonon Peaks in Resonant Second Order Spectra....Pages 487-487
Resonant Second Order Raman Scattering in Tetrahedral Semiconductors....Pages 489-498
Second-Order Raman Effect in AlP, AlAs, and AlSb....Pages 499-503
Front Matter....Pages 504-508
Discussion of Theories of Cyclotron Resonance Line Shape....Pages 509-513
Electron-Phonon Induced Cyclotron Resonance....Pages 515-515
Polaron Pinning Induced Linewidths of LO-Phonon-Assisted Cyclotron Resonance in n-InSb....Pages 517-521
Far Infrared Cyclotron Absorption in P-Type Pb 1−x Sn x Te and Pb Te....Pages 522-525
Magneto-Electroreflectance in Ge, InSb and GaAs....Pages 526-530
Investigation of Magnetoplasmon-Phonon Type Surface Polaritons on n-InSb....Pages 531-535
Magneto-Surface Polaritons on n-Type InSb for the Geometry H || k....Pages 536-540
Dielectric Constants and Carrier Densities of Pb 1−X Sn x Te by Magnetoplasma Waves....Pages 541-545
Magneto-Optical Measurements on H-Implanted 6H SiC....Pages 546-550
Direct Determination of the Free Electron Mass and g-Value in GaSb....Pages 551-555
Theory of the Cyclotron Resonance Shape in Polar Semiconductors....Pages 556-560
Front Matter....Pages 561-565
Peierls Transition in “One-Dimensional” Solids....Pages 566-570
Investigation of Some Transition Metal Oxides Exhibiting Metal — Non Metal Transitions....Pages 573-573
Electron Spin Resonance in VO 2 ....Pages 575-582
Front Matter....Pages 583-587
Semimetal-Metal and Metal-Metal Phase Transitions in 1T- and 2H- TaS 2 : Relation to Súperlattice Structures....Pages 588-591
Peierls Instability in the Layer Semiconductor MoS 2 ?....Pages 573-573
The Displacive Phase Transition in SnTe and Pb l−x Sn x Te....Pages 592-596
Front Matter....Pages 597-601
Electrons in “Two Dimensional” Solids....Pages 602-606
Phonons in Two-Dimensional-Network Crystals....Pages 609-609
Electron-Phonon Interaction and Band Shifts of Two- and One-Dimensional Semiconductors....Pages 611-620
Interband Transitions in Some Layered Chalcogenide Semiconductors....Pages 621-625
The Tin Dichalcogenides and their Intercalated Derivatives....Pages 626-630
OPW Band Structure of Layered TiS 2 ....Pages 631-636
Excitons in MoS 2 ....Pages 637-641
Front Matter....Pages 642-646
Electron Spectroscopic Studies of Semiconductor Surfaces....Pages 647-651
Quantum Galvano-Magnetic Phenomena in M.O.S. Inversion Layers....Pages 653-653
Electronic Structure of Si and Ge Surfaces....Pages 655-664
Surface State Densities on Clean Semiconductor Surfaces Measured by Ellipsometry....Pages 665-674
Resonant Electron Transport in Semiconductor Barrier Structures....Pages 675-682
Realistic Calculations of Surface State Densities....Pages 683-687
Magnetically Controlled Surface Conduction in p-Type InSb at Liquid Helium Temperatures....Pages 688-692
Mott-Anderson Localization in the Two-Dimensional Band Tail of Si Inversion Layers....Pages 693-697
Negative and Positive Magnetoresistance Related to Surface States in SiliconInversion Layers....Pages 698-702
Spectroscopy of Space Charge Layers on n-Type Si....Pages 703-703
Front Matter....Pages 704-708
Self Consistent Calculations of Electric Subbands in P-Type Silicon Inversion Layers....Pages 709-713
Valley-Ortit Splitting of the States in Surface Inversion Layers....Pages 653-653
Theory of Cyclotron Resonance Line Shape in MOS Inversion Layers....Pages 714-718
The Influence of Landau Level Broadening on the Shubnikov-De Haas Effect in Two-Dimensional Conductors....Pages 719-723
Surface States at Clean and Cesiated Ge (111) Surfaces....Pages 724-728
Front Matter....Pages 729-733
Optical Pumping in Semiconductors....Pages 734-738
Interimpurity Luminescence in Silicon with Highly Spin-Polarized Carriers....Pages 741-741
Spin-Dependent Conductivity and Microwave Hot Electron Effect near the Metal-Nonmetal Transition of Heavily Doped Silicon....Pages 743-750
Dynamics of Excitonic Complexes and Detection of Electron Spin Resonance by Optical Spin Orientation Techniques....Pages 751-755
Optical Pumping of a Degenerated Distribution of Electrons in InSb....Pages 756-760
Strong Magnetic Fields of Optically Polarized Nuclear Spins in Semiconductors....Pages 761-765
Optical Orientation in Strained Semiconductors....Pages 766-770
Spin-Flip Raman Scattering....Pages 771-775
Study of Mott Transition and Observation of Strong Microwave Induced Spin-Flip Raman Light Scattering in n-Type CdS....Pages 776-779
Quantum Effects in Spin-Flip Scattering....Pages 780-787
New Theoretical Results for the InSb Spin-Flip Raman Laser....Pages 788-792
Cyclotron Harmonics Absorption and Temperature Dependence of Stimulated Spin-Flip Raman Scattering in n-Insb....Pages 793-797
Front Matter....Pages 798-802
Theory of the Hot Electron Magnetophonon Effect....Pages 803-807
The Effect of Band Warping on the Anisotropy of Hot-Hole Drift Velocity in Ge....Pages 809-809
Measurement of Intervalley Repopulation Time in Silicon....Pages 811-818
Front Matter....Pages 819-823
A.C. Conductivity of Semiconductors with Hot Electrons....Pages 824-828
Photoconductive Properties of CdS Single Crystals with Different Types of Recombination Domain Instabilities....Pages 809-809
Spontaneous Radiative Transitions of Hot Electrons between Landau-Levels in n-InSb....Pages 829-833
Hot Electron Effects in Silver Halides in Quantum Limit....Pages 834-838
Resonant Cooling of Hot Electrons in Quantizing Magnetic Fields in n-InSb....Pages 839-843
Electron Heating by Non-Uniform Electric Field....Pages 844-848
Front Matter....Pages 849-853
Electric Field Echoes and Storage in Piezoelectric Semiconductors....Pages 854-857
Light Diffraction Studies of CdS Phonon Masers....Pages 859-859
Comparison of Experimental and Theoretical Results of Gain Saturation in Acoustoelectric Domains....Pages 861-863
Intense Laser Modulation of Acoustoelectric Interactions....Pages 864-871
Front Matter....Pages 872-876
Modulated Reflectance Spectra of Europium Chalcogenides....Pages 877-881
Thermo-Reflectance Spectra of Magnetic Semiconductors: EuO, EuS, EuSe and EuTe....Pages 883-883
Positive Magnetoresistance Due to Conduction-Band Splitting in the Eu — Chalcogenides....Pages 885-888
Electronic Structure and Magnetic Order of the Isoelectronic Compounds EuS and GdP....Pages 889-893
Magnetic Field-Induced Raman Scattering in EuSe....Pages 894-898
Charge Compensation in A-Site Substituted CuCr 2 S 4 Spinels....Pages 899-903
Extraordinary Hall Effect in the Magnetic Semiconductor Sn 1-x Mn x Te....Pages 904-908
Critical Scattering and Band Conduction in Nearly Stoichiometric FeO....Pages 909-914
Theory of Spin-Dependent Phonon Raman Scattering in Magnetic Semiconductors....Pages 915-919
Light Scattering in the Vicinity of Plasma Frequencies in Pyrite-Type Magnetic Semiconductors....Pages 920-925
Front Matter....Pages 926-930
Magnetooptical Investigations of the 2-Dimensional Ferromagnet (CH 3 NH 3 ) 2 CuCl 4 ....Pages 931-935
Front Matter....Pages 883-883
Magneto-Optics of Free and Bound Excitons in CdTe....Pages 936-940
Non-Coulomb Potentials in Impurity and Bound-Exciton Problems....Pages 943-943
Excitons in Degenerate and Non-Degenerate Semiconductors....Pages 945-952
Excitons in a Bounded Medium: Lineshape Studies of Cds Reflectance....Pages 953-956
On the Theory of Exciton Stark Effect....Pages 957-961
Stark Effect on the Energy Bands of CuCl and Cu 2 O....Pages 962-966
Wavelength Modulation Spectra of Excitons in Cu 2 O....Pages 967-971
Investigation of Exciton States in a High Magnetic Field by the Adiabatic Method....Pages 972-976
High-Pressure Behaviour of the Exciton and the Absorption Edges in Ga Se....Pages 977-981
Origin of Anomalies in the Exciton Reflection Spectra of CdS Crystals....Pages 982-986
Anomalous Waves and Fabry-Perot Modes of Photoexcitons (Polaritons) in Thin Semiconducting Crystals....Pages 987-990
Front Matter....Pages 991-995
Structures of Amorphous Tetrahedrally-Bonded Semiconductors....Pages 996-999
Gaps and Electronic States in Tetrahedrally Bounded Amorphous GeS....Pages 1001-1001
X-Ray and Far-UV Photoemission Studies of Amorphous As 2 S 3 , As 2 Se 3 , and As 2 Te 3 ....Pages 1003-1011
Raman Studies of the Crystallization of As 2 Se 3 ....Pages 1012-1016
Variation of the Absorption Coefficient after Optical Excitation in As 2 Se 3 at 1.6°K....Pages 1017-1021
Localized States Distribution in Ternary Chalcogenide Glasses....Pages 1022-1026
Photoluminescence in Amorphous Selenium and its Alloys....Pages 1027-1031
Influence of Preparation Conditions on the Radiative Recombination in Amorphous Silicon....Pages 1032-1036
Front Matter....Pages 1037-1041
Continuous Random Network Model for Amorphous Arsenic....Pages 1042-1046
Dangling Bonds in Tetrahedrally Bonded Amorphous Semiconductors....Pages 1001-1001
On Some Dielectric Properties of Disordered Semiconductors....Pages 1047-1051
Electronic Properties of Tetrahedrally Bonded Amorphous Semiconductors....Pages 1052-1056
The Thermal Conductivity of Liquid Semiconductors....Pages 1057-1060
Low Frequency Modes in Amorphous Semiconductors....Pages 1061-1065
High Resolution Electron Microscopy of Amorphous Semiconductors and Oxide Glasses....Pages 1066-1070
Front Matter....Pages 1071-1075
An Analogue of Mott Transition in Compensated GaAs....Pages 1076-1080
Optical Response of Heavily-Doped Semiconductors....Pages 1083-1083
Magnetic Properties of Conduction Electrons in Metallic Si:P and Si:B....Pages 1085-1093
Dynamics of Electrons in Heavily Doped GaAs....Pages 1094-1098
Electronic Density of States for a Tight-Binding Hamiltonian with Fluctuating Bond Interaction....Pages 1099-1103
Field-Dependent Conductivity in Band Tails....Pages 1104-1108
Impurity Breakdown in Heavily Doped Closely Compensated Semiconductors as a Model of Switching in Amorphous Semiconductors....Pages 1109-1112
Conduction and Photoconduction Mechanisms in Compensated InSb Crystals....Pages 1113-1117
Absorption of Sub-Millimeter Radiation in Heavily Doped n-Type Germanium....Pages 1118-1122
Front Matter....Pages 1123-1127
Photon-Plasmon Processes....Pages 1128-1132
Temperature-Dependent Far Infrared Magneto-Transmission in HgTe....Pages 1135-1135
Anomalous Magnetoresistance Effect in HgTe under Uniaxial Compression at Low Temperatures....Pages 1137-1146
Low Temperature Galvanomagnetic Properties of n-Type Hg ·8 Cd ·2 Te....Pages 1147-1151
Front Matter....Pages 1152-1156
Acceptor States in HgTe....Pages 1157-1161
Resonance Conditions for Acceptor Levels in HgCdTe Alloys....Pages 1135-1135
Nonlinear Electric and Optical Effects in Graded Mixed Semiconductors....Pages 1162-1165
Far Infrared Magneto-Transmission Measurements of Bi l−x Sb x Alloys....Pages 1166-1170
Magnetic Field-Induced Semimetal-Semiconductor Transition in Bi....Pages 1171-1175
Electroreflectance of PbTe — Band Separations and Parity at L....Pages 1176-1180
Graphite Landau Levels in the Presence of Trigonal Warping....Pages 1181-1185
Front Matter....Pages 1186-1189
Comparison of High-Resolution Ellipsometric and Electroreflectance Spectra of Ge, GaAs, and Si....Pages 1190-1193
Saturated Absorption in Ternary Alloys Using Mode Locked Laser Pulses....Pages 1195-1195
Far-Infrared Absorption in p-Type Germanium and Silicon....Pages 1197-1201
The Temperature Shift of the Absorption Edge in Cubic ZnS....Pages 1202-1206
Influence of Internal Fields on the Absorption in ZnO....Pages 1207-1211
Depolarization of Light Reflected from CdS and ZnO in the Exciton Region....Pages 1212-1216
Theory of Multiphonon Absorption in Semiconducting Crystals....Pages 1217-1221
Determination of the Optical Constants of Tellurium in the Fundamental Absorption Region by the Excitation of Electromagnetic Surface Waves....Pages 1222-1226
Optical Absorption Edge and Luminescence of PbI 2 ....Pages 1227-1231
Linear and Nonlinear Optical Response of Free Holes in Tellurium....Pages 1232-1236
Theory of Photoelasticity of Semiconducting Crystals....Pages 1237-1241
Anisotropic Photon Drag in p-Type Tellurium....Pages 1242-1246
Optical Rectification and Photon Drag in p-Type GaAs at 10.6μm and 1.06μm....Pages 1247-1251
Front Matter....Pages 1252-1256
Auger Recombination in GaSb....Pages 1257-1261
Singly Stimulated Two-Photon Emission in Ga 1−x Al x As....Pages 1195-1195
Front Matter....Pages 1262-1266
Valence and Conduction Band- Structure of Ge Using Theoretical and Experimental Photoemission Spectra from 6.5 to 23 eV....Pages 1267-1271
X-Ray Emission from Semiconductors and the Structure of Their Valence Bands....Pages 1273-1273
Computed Valence Band Density of States for GeTe, SnTe, and PbTe and Interpretation of Photoelectric Spectra....Pages 1275-1284
UV — Photoemission on the (111) — Faces of GaP and GaAs....Pages 1285-1294
Electronic Densities of States of Amorphous and Trigonal Se and Te....Pages 1295-1299
Densities of Valence States and Raman Scattering of Amorphous CuGaSe 2 ....Pages 1300-1303
Detailed Structure of Electronic Surface State Densities in the Gap of Semiconductors by Photoemission Measurements....Pages 1304-1307
Internal Photoemission: Theory and Experiment....Pages 1308-1312
Photoemission and Optical Properties of GaSe....Pages 1313-1317
Ultraviolet Photoemission Studies of the Band Structures of Transition Metal Dichalcogenides....Pages 1319-1323
Contribution of Phonon-Assisted Transitions to the Photoemission Spectra of Si and Ge....Pages 1324-1328
Concluding Remarks....Pages 1329-1333
Erratum to: The Temperature Shift of the Absorption Edge in Cubic ZnS....Pages 1334-1338
Back Matter....Pages 1339-1350
....Pages 1359-1359