Supplément au Journal de Physique Colloques

I. OPTICS AND PHOTOEMISSIONFANO-RESONANCES, SURFACE AND BULK EFFECTS IN PHOTOEMISSION FROM THE RARE EARTHS p. C5-1

W. Gudat, S.F. Alvarado, M. Campagna et Y. Pétroff

DOI: https://doi.org/10.1051/jphyscol:1980501

PHOTOTHRESHOLDS OF MAGNETIC SEMICONDUCTORS p. C5-9

F. Meier

DOI: https://doi.org/10.1051/jphyscol:1980502

ELECTRONIC DISTRIBUTIONS OF UO₂ BY X-RAY SPECTROSCOPY p. C5-15

G. Lachere et C. Bonnelle

DOI: https://doi.org/10.1051/jphyscol:1980503

OPTICAL PROPERTIES OF MAGNETITE (Fe₃O₄) IN THE INFRARED p. C5-19

A. Schlegel et P. Wachter

DOI: https://doi.org/10.1051/jphyscol:1980504

THERMOREFLECTANCE, PHOTOCONDUCTANCE AND RAMAN SCATTERING OF FERROMAGNETIC SPINELS MCr ₂X₄ (M=Cd, Hg ; X=S, Se) NEAR THE MAGNETIC PHASE TRANSITION p. C5-23

Milko Iliev

DOI: https://doi.org/10.1051/jphyscol:1980505

UO₂ : A5f -MAGNETIC SEMICONDUCTOR p. C5-31

J. Schoenes

DOI: https://doi.org/10.1051/jphyscol:1980506

EXCHANGE INDUCED IONIZATION OF BOUND EXCITONS IN Cd^1-xMn^xTe p. C5-39

R. Planel, J. Gaj et C. Benoit a la Guillaume

DOI: https://doi.org/10.1051/jphyscol:1980507

STRUCTURE ELECTRONIQUE DE EuO ET EuS FERROMAGNETIQUES PAR LES SPECTRES DE THERMOREFLEXION (TR) DE THERMOTRANSMISSION (TT) ET D'ABSORPTION p. C5-43

C. Paparoditis, J. C. Gillon, N. Defranould et J. Richard

DOI: https://doi.org/10.1051/jphyscol:1980508

PIEZOTRANSMISSION BEHAVIOR OF FERROMAGNETIC EuO UNDER MAGNETIC FIELD p. C5-47

J.P. Lascaray, J.P. Nadai, J. Diouri et M. Averous

DOI: https://doi.org/10.1051/jphyscol:1980509

II. PHASE TRANSITIONTHE CONDUCTION PROCESSES IN MAGNETIC AND IN INTERMEDIATE VALENCY COMPOUNDS p. C5-51

N.F. Mott

DOI: https://doi.org/10.1051/jphyscol:1980510

SEMICONDUCTOR-METAL TRANSITIONS IN TmSe-TmTe AND TmSe-EuSe p. C5-59

B. Batlogg et P. Wachter

DOI: https://doi.org/10.1051/jphyscol:1980511

ELECTRON-PHONON INTERACTION IN SmS p. C5-65

G. Güntherodt

DOI: https://doi.org/10.1051/jphyscol:1980512

MAGNETIC SUSCEPTIBILITY IN THE INSULATING AND METALLIC PHASES OF VO₂ : THE CONTRIBUTION OF ELECTRON-ELECTRON AND ELECTRON-LATTICE INTERACTIONS p. C5-67

P. Leroux-Hugon et D. Paquet

DOI: https://doi.org/10.1051/jphyscol:1980513

VALENCE FLUCTUATION IN SM₃ Se⁴ p. C5-71

A. Ochiai, T. Suzuki et T. Kasuya

DOI: https://doi.org/10.1051/jphyscol:1980514

CRITICAL BEHAVIOR OF THE ELECTPONIC PROPERTIES OF MAGNETIC SEMICONDUCTORS, I, THEORY p. C5-75

I. Balberg

DOI: https://doi.org/10.1051/jphyscol:1980515

STRESS MODULATION EFFECT ON TRANSMISSION AND RESISTIVITY NEAR THE CURIE TEMPERATURE p. C5-87

J.P. Nadai, J.P. Lascaray, J.P. Desfours et M. Averous

DOI: https://doi.org/10.1051/jphyscol:1980516

REMARKS ON THE CRITICAL BEHAVIOUR OF THE OPTICAL ABSORPTION EDGE OF A MOTT FERROMAGNETIC SEMICONDUCTOR p. C5-93

M. Héritier et P. Lederer

DOI: https://doi.org/10.1051/jphyscol:1980517

MAGNETIC IMPURITY STATE IN n-TYPE EuTe p. C5-97

M. Sera, A. Takase, M. Kawakami, T. Suzuki et T. Kasuya

DOI: https://doi.org/10.1051/jphyscol:1980518

ETUDE DES TRANSITIONS DE PHASES MAGNETIQUES DANS EuSe ET EuTe PAR LA SPECTROSCOPIE PAR MODULATION THERMIQUE DANS LA PREMIERE BANDE D'ABSORPTION p. C5-101

C. Paparoditis, J.C. Gillon, N. Defranould et J. Richard

DOI: https://doi.org/10.1051/jphyscol:1980519

III. ENVIRONEMENT, DILUTED SYSTEMSTHE DOPED SEMICONDUCTOR AS A MODEL AMORPHOUS ANTIFERROMAGNET p. C5-105

S. Geschwind, R.E. Walstedt, R. Romestain, V. Narayanamurti, R.B. Kummer et G. Devlin

DOI: https://doi.org/10.1051/jphyscol:1980520

SPIN-GLASS PROPERTIES OF (Eu, Sr) S p. C5-115

H. Maletta

DOI: https://doi.org/10.1051/jphyscol:1980521

EuS THIN FILM PROPERTIES IN RELATION TO STOICHIOMETRY AND DEFECTS p. C5-127

J. Köhne, G. Mair, N. Rasula, B. Saftic et W. Zinn

DOI: https://doi.org/10.1051/jphyscol:1980522

TRANSPORT AND MAGNETIC PROPERTIES OF Ni_1-xCr_xS with x ≤ 2 % p. C5-131

C. Levy-Clement et O. Gorochov

DOI: https://doi.org/10.1051/jphyscol:1980523

A³ SOLID STATE CHEMISTRY OF NEW SEMI CONDUCTORS WITH VALENCE INSTABILITIES : TmSe_1-xTe_x AND Tm_1-xEu_xSe p. C5-135

E. Kaldis et B. Fritzler

DOI: https://doi.org/10.1051/jphyscol:1980524

RARE-EARTH SEMICONDUCTORS STUDIES IN THE SOVIET UNION p. C5-143

I.A. Smirnov

DOI: https://doi.org/10.1051/jphyscol:1980525

LOW-TEMPERATURE TRANSITION METAL-SEMICONDUCTOR IN CdCr₂Se₄ SINGLE CRYSTALS DOPED WITH INDIUM AND GALLIUM p. C5-155

T.G. Aminov, K.P. Below, V.T. Kalinnikov, L.I. Koroleva et L.N. Tovmasjan

DOI: https://doi.org/10.1051/jphyscol:1980526

ELECTRONIC PROPERTIES OF HgCr₂S₄ IN CONNECTION WITH DEPARTURE FROM STOICHIOMETRY p. C5-157

P. Gibart, A. Selmi, L. Goldstein et C. Vérié

DOI: https://doi.org/10.1051/jphyscol:1980527

IV. TRANSPORTELECTRONIC STRUCTURE OF EUB₆, TRANSPORT AND MAGNETIC PROPERTIES p. C5-161

T. Kasuya, K. Takegahara, M. Kasaya, Y. Isikawa et T. Fujita

DOI: https://doi.org/10.1051/jphyscol:1980528

MIXED VALENT SEMICONDUCTORS : SmB₆ p. C5-171

J. W. Allen et R. M. Martin

DOI: https://doi.org/10.1051/jphyscol:1980529

RESISTIVITY OF TmSe UNDER PRESSURE AT VERY LOW TEMPERATURE p. C5-177

J. Flouquet, P. Haen, F. Holtzberg, F. Lapierre, J.M. Mignot, M. Ribault et R. Tournier

DOI: https://doi.org/10.1051/jphyscol:1980530

MAGNETORESISTANCE OF Sm_1-xLa_xS, Sm_1-xY_x S AND SmS_1-xAs_x ALLOYS p. C5-181

P. Haen, F. Holtzberg, F. Lapierre, O. Peña, T. Penney et R. Tournier

DOI: https://doi.org/10.1051/jphyscol:1980531

PRESSURE MEASUREMENTS OF ELECTRICAL TRANSPORT PROPERTIES OF EuB₆ p. C5-185

G. Weill, I.A. Smirnov et V.N. Gurin

DOI: https://doi.org/10.1051/jphyscol:1980532

TRANSPORT AND MAGNETIC PROPERTIES OF Gd_3-xO_xS₄ p. C5-189

A, Kamijo, A. Takase, Y, Isikawa, S. Kunii, T, Suzuki et T . Kasuya

DOI: https://doi.org/10.1051/jphyscol:1980533

NEW MAGNETIC SEMICONDUCTING COMPOUNDS : THE RARE EARTH OXYNITRIDES Eu²⁺_1-x Ln³⁺_xO_1-xN_x (Ln³⁺ = Nd³⁺, Eu³⁺, Gd³⁺) p. C5-193

J. Etourneau, B.Chevalier, P. Hagenmuller et R. Georges

DOI: https://doi.org/10.1051/jphyscol:1980534

PHYSICAL PROPERTIES OF EuO VERSUS ELECTRONIC CONCENTRATIONS p. C5-205

C. GODART, A. MAUGER, J.P. DESFOURS et J. C. ACHARD

DOI: https://doi.org/10.1051/jphyscol:1980535

PHOTOELECTRIC EFFECTS IN HIGH-RESISTIVITY EuSe p. C5-215

K. Yamada, J. Heleskivi et H. Stubb

DOI: https://doi.org/10.1051/jphyscol:1980536

ELECTRICAL CONDUCTIVITY BEHAVIOUR OF Gd DOPED EuO UNDER HYDROSTATIC PRESSURE p. C5-219

J.P. Desfours, C. Godart, J.P. Nadai, A.Mauger, G. Weill et M. Averous

DOI: https://doi.org/10.1051/jphyscol:1980537

V. MAGNETIC EXCITATIONSRAMAN SCATTERING STUDIES OF SPIN ORDER AND FLUCTUATIONS IN THE EUROPIUM CHALCOGENIDES p. C5-223

S.A. Safran

DOI: https://doi.org/10.1051/jphyscol:1980538

RESONANT LIGHT SCATTERING FROM MAGNETIC EXCITATIONS p. C5-233

R. Merlin

DOI: https://doi.org/10.1051/jphyscol:1980539

SPIN-DEPENDENT RAMAN SCATTERING FROM PHONONS IN MAGNETIC SEMICONDUCTORS AND INSULATORS p. C5-241

G. Güntherodt, R. Merlin, G. Benedek et W. Bauhofer

DOI: https://doi.org/10.1051/jphyscol:1980540

LIGHT SCATTERING FROM SPINWAVES AND MAGNETOOPTIC HYSTERESIS MEASUREMENTS ON EuO AND EuS p. C5-243

P. Grünberg et B. Schwarz

DOI: https://doi.org/10.1051/jphyscol:1980541

EXCHANGE INTERACTIONS BETWEEN LOCALIZED AND DELOCALIZED ELECTRONS IN SEMIMAGNETIC COMPOUNDS p. C5-247

G. Bastard, J.A. Gaj, R. Planel et C. Rigaux

DOI: https://doi.org/10.1051/jphyscol:1980542

MAGNETIC PROPERTIES OF TmSe p. C5-255

J. Flouquet, F. Holtzberg, M. Papoular, O. Pena, R. Tournier et C. Vettier

DOI: https://doi.org/10.1051/jphyscol:1980543

NMR SHIFT MEASUREMENTS OF Mn DOPED SnTe COMPOUNDS p. C5-259

B. Perrin, P. Descouts et F.T. Hedgcock

DOI: https://doi.org/10.1051/jphyscol:1980544

MAGNETIC PROPERTIES OF Gd DOPED EuO SINGLE CRYSTALS p. C5-263

A. Mauger, M. Escorne, C. Godart, J.P. Desfours et J.C. Achard

DOI: https://doi.org/10.1051/jphyscol:1980545

ELECTRONIC QUASIPARTICLE SPECTRUM OF FERROMAGNETIC SEMICONDUCTORS p. C5-267

W. Nolting

DOI: https://doi.org/10.1051/jphyscol:1980546

SMALL-POLARON FORMATION AND MOTION IN MAGNETIC SEMICONDUCTORS p. C5-277

David Emin

DOI: https://doi.org/10.1051/jphyscol:1980547

STABILITY OF THE MAGNETIC POLARON p. C5-285

J. Sinkkonen, P. Kuivalainen et T. Stubb

DOI: https://doi.org/10.1051/jphyscol:1980548

INDIRECT EXCHANGE INTERACTION IN Hg_1-xMn_xTe AND Cd_1-xMn_xTe ALLOYS p. C5-289

C. Lewiner, J.A. Gaj et G. Bastard

DOI: https://doi.org/10.1051/jphyscol:1980549

STRUCTURE OF THE ELECTRONIC SPECTRUM OF THE FERROMAGNETIC ^s-d MODEL USING THE METHOD OF MOMENTS p. C5-293

I. BARVÍK, V. ČÁPEK et P. CHVOSTA

DOI: https://doi.org/10.1051/jphyscol:1980550

INTERMEDIATE VALENCE : THEORETICAL MODELS FOR ANOMALOUS RARE-EARTH ALLOYS AND COMPOUNDS p. C5-297

B. Coqblin, A.K. Bhattacharjee, R. Jullien et J. Flouquet

DOI: https://doi.org/10.1051/jphyscol:1980551

THE LOCAL SPIN-DENSITY-FUNCTIONAL METHOD : APPLICATION TO THE METAL-INSULATOR TRANSITION IN DOPED SEMICONDUCTORS p. C5-317

A. Ghazali et P. Leroux-Hugon

DOI: https://doi.org/10.1051/jphyscol:1980552

PHONONS IN RARE-EARTH SYSTEMS WITH VALENCE-TRANSITIONS p. C5-325

K.H. Bennemann et M. Avignon

DOI: https://doi.org/10.1051/jphyscol:1980553

UNUSUAL ANISOTROPY MECHANISM IN CE-PNICTIDES DUE TO VIRTUAL VALENCE FLUCTUATION p. C5-327

K. Takegahara, A. Yanase et T. Kasuya

DOI: https://doi.org/10.1051/jphyscol:1980554

THE KONDO LATTICE : A THEORETICAL MODEL FOR Tm Se ? p. C5-331

R. Jullien, P. Pfeuty, A.K. Bhattacharjee et B. Coqblin

DOI: https://doi.org/10.1051/jphyscol:1980555

MAGNETO - OPTICAL EFFECTS IN THE IMPURITY SPECTRAL REGION OF CdCr₂Se₄ p. C5-335

P. Hlídek, M . Zvára, V. Prosser et S. Unterricker

DOI: https://doi.org/10.1051/jphyscol:1980556

ETUDE DES PHONONS DANS LES MELANGES Mn_x Cd_1-x Te PAR DIFFUSION RAMAN ET ABSORPTION INFRAROUGE p. C5-339

W. Gebicki, E. Amzallag, M. Picquart, Ch. Julien et M. Le Postollec

DOI: https://doi.org/10.1051/jphyscol:1980557

FREE CARRIER ABSORPTION OF RADIATION IN FERROMAGNETIC SEMICONDUCTORS p. C5-343

R.J.V. dos Santos et M.D. Coutinho-Filho

DOI: https://doi.org/10.1051/jphyscol:1980558

SPECIFIC HEAT OF INSULATING SPIN-GLASSES (Eu, Sr) NEAR THE ONSET OF FERROMAGNETISM p. C5-347

D. Meschede, F. Steglich, W. Felsch, H. Maletta et W. Zinn

DOI: https://doi.org/10.1051/jphyscol:1980559

VALENCE TRANSITION INDUCED BY ALLOYING p. C5-349

G. Spronken, M. Avignon et I. A. Smirnov

DOI: https://doi.org/10.1051/jphyscol:1980560

Le Journal de Physique Colloques

Volume 41 / Numéro C5 (Juillet 1980)

Colloque International du C.N.R.S sur les Semiconducteurs Magnétiques / Magnetic Semiconductors