XXIInd

CONGRESS AMPERE

ON

MAGNETIC RESONANCE

AND

RELATED PHENOMENA

PROCEEDINGS

-/ /-o^ ,}c- rt.Q.Zv

EDITED BY

K.A. MULLER, R. KIND and J. ROOS

DEPARTMENT OF PHYSICS, THE UNIVERSITY,

ZURICH-IRCHEL, WINTERTHURERSTRASSE 190,

8057 ZURICH, SWITZERLAND

SEPTEMBER 1984UB/TIB Hannover 89

1Q.3...1.07. 622

RN 205(22)

Participants Edition Published byZurich Ampere Committee, Department of Physics,

The University, Zurich, Switzerland

UNIVERSrrATSB!BLIOTHEK>HANNOVER

TECHNISCHE

[ Itii-ORMAIIONSGIBLIL 1HEK J

Q hi 105 (IS.) IQ/J.WV

DETAILED CONTENTS

PLENARY LECTURES

FELIX BLOCH MEMORIAL LECTURE: NUCLEAR PSEUDQ MAGNETISM AND

PSEUDO NUCLEAR MAGNETISM

Abragam A. 1

A. KASTLER MEMORIAL LECTURE: ATOMS AND PHOTONS

Cohen-Tannoudji C. 1

S.A. AL'TSHULER MEMORIAL LECTURE: MAGNETIC RESONANCE AND RELAXATIONAT VERY LOW TEMPERATURESKochelaev B. 2

MEDICAL APPLICATIONS OF MAGNETIC RESONANCE IMAGING

Axel L. 8

THE APPLICATION OF NMR AND NEUTRON SCATTERING TO THE STUDY OF

QUANTUM MOTION

Clough S. 10

CONTRIBUTION OF ELECTRON-NUCLEAR MULTIPLE RESONANCE TO THE

CHARACTERIZATION OF PRIMARY PRODUCTS IN PHOTOSYNTHESISMobius K. 12

ESR OF SHORT LIVED RADICAL PAIRS IN SOLUTIONS

Molin Y.N. 14

PROBING PLATINUM SURFACES WITH NMR

Slichter C.P. 16

PULSED DEUTERON NMR TECHNIQUES FOR STUDYING MOLECULAR DYNAMICS IN

SOLID POLYMERS AND LIQUID CRYSTALLINE POLYMERS

Spieas H.W. 18

OPTICAL PICOSECOND PULSE EXPERIMENTS

Wierama D.A. 20

SPATIAL STRUCTURES AND INTERMOLECULAR INTERACTIONS OF NONCRYSTALLINE

PROTEINS AND NUCLEIC ACIDS BY NMR

Wuthrich K. 21

VII

PHYSICS

Structural and Liquid Crystal Phase Transitions

Invited Talks:

NMR IN INCOMMENSURATE SYSTEMS: NON-LOCAL EFFECTS

Blinc R. 23

EPR INVESTIGATIONS OF INCOMMENSURATE STRUCTURAL PHASES

Fayet J.C. 25

CUBIC TO TETRAGONAL STRUCTURAL PHASE TRANSITION IN K20aCl6 AS STUDIED

BY NQR: PRECURSOR EFFECTS IN THE CUBIC PHASE

Armstrong R.L. 26

Short Communications:

EPR OF THE Gd3+-02" CENTER IN RbCaF3: EVIDENCE FOR DYNAMICS AND DISORDER

CONNECTED WITH THE 0n - D4h STRUCTURAL PHASE TRANSITION

Simon P., BuzariS J.Y., Berlinger W., Muller K.A. 28

EPR OF THE Gd3+-02- PAIR AS A PROBE TO ESTABLISH THE PHASE DIAGRAM OF

(1 ID-STRESSED RbCaF3Buzar<§ J.Y., Berlinger W., Muller K.A. 30

REINVESTIGATION OF ANOMALOUS 75As-SPECTRA IN PARAELECTRIC KH2As04Mali M., Rooa J., Courtens E., Muller K.A. 32

INVESTIGATIONS OF THE 87Rb NMR SATELLITE TRANSITIONS IN THE NORMAL,INCOMMENSURATE AND COMMENSURATE PHASES OF Rb2ZnBr4Walisch R., Schneider E., Petersson J. 34

E.S.R. STUDY OF THE ORDER-DISORDER TRANSITION IN NH4AIF4:DETERMINATION OF THE LOCAL ORDER

Leble1 A., Dagorn Y., Rousseau 3.3., Fayet J.C. 36

E.S.R. STUDY OF THE ORDER-DISORDER TRANSITION IN NH4AIF4: DYNAMIC MODEL,PRECURSOR ORDER CLUSTERS AND 2d - 3d CROSSOVER

Dagorn Y., Leble" A., Rousseau 3.3., Fayet J.C. 38

Posters:

NMR INVESTIGATION ON SINGLE CRYSTAL OF TRANSITION METAL TETRACHALCOGENIDE

(NbSe4)3IButaud P., Segransan P., Berthier C. 40

THE 1H, 2H, 13C AND 170 NMR STUDY OF ORIENTATIONALLY DISORDERED MOLECULAR

SYSTEMS

Kimtys L.L., Balevicius V.J., Aksnes D.W. 42

VIII

EPR EVIDENCE FOR COEXISTENCEOF PARA^ AND FERROELECTRIC PHASES IN AMMONIUM

SULPHATE

Barb D., Grecu N.M. 44

ESR STUDY OF FERROELASTIC LEAD ORTHOVANADATE - Pb3(V04)2Barbur I., Stanescu L. 46

ENDOR DETECTION OF POLAR STRUCTURES IN TSCC

Windsch W., Metz H., Bottcher R. 48

AN NMR STUDY OF THE FERROELASTIC TRANSITION IN POLYXTAL BiV04Segel S.L. 50

THE 23Na AND 2D QUADRUPOLE COUPLINGS AND 2H DIPOLAR COUPLING AND MOTIONAL

NARROWING IN THE ORTHORHOMBIC AND MONOCLINIC PHASES OF NaOH

Amm D.T., Segel S.L. 52

NMR INVESTIGATION OF MOLECULAR MOTION AND ORDER-DISORDER PHASE TRANSITION IN

1-C1 AND 1-BR-ADAMANTANE

Ursu I., Grosescu R., Lupu M. 54

19F NMR STRUCTURAL INVESTIGATIONS OF CxSbF5 GRAPHITE INTERCALATION COMPOUNDS

Stang I., Roth G., Luders K. 56

87Rb QUADRUPOLE COUPLING AND PHASE TRANSITIONS IN MONOCLINIC RbD2P04Topic B., Blinc R. 58

FLOATING PHASE IN ThBr4Emery J., Hubert S., Fayet J.C. 60

FLUCTUATIONS NEAR THE NORMAL-INCOMMENSURATE PHASE TRANSITION THROUGH E.P.R. IN

Rb2ZnCl4 : Mn2+Kaziba A., PtSzeril M., Fayet J.C. 62

14N NMR LINESHAPE IN INCOMMENSURATE (N(CH3)4)2ZNCL4Dolinsek J., Zumer S., Blinc R. 64

35C1 NQR STUDY OF THE FLOATING OF THE PINNED MODULATION WAVE IN INCOMMENSURATE

Rb2ZnCl4Milia F., Rutar V. 66

TWO UNIQUE INCOMMENSURATE-COMMENSURATE PHASE TRANSITIONS IN A LAYER-STRUCTURE

PEROVSKITE

Muralt P. 68

THE QUADRUPOLE SHIFT IN INCOMMENSURATE Rb2ZnCl4 ANALOGUES

Pirnat J., Luznik J., Trontelj Z. 70

NMR FIELD-CYCLING STUDIES OF MOLECULAR MOTIONS IN LIQUID CRYSTALLINE PAA

Scheufler P., Leiningen D., WolFel W., Noack F. 72

IX

E.S.R. STUDIES ON PHASE TRANSITIONS IN A NEMATIC LIQUID CRYSTAL

Chipara M.I., Georgescu L., Bafayad S., Popa-Nita V., Bucsa L. 74

DEUTERON QUADRUPOLAR SPLITTINGS IN THE NMR SPECTRA OF SPECIFICALLY DEUTERATED

4-ALK0XY-4-PR0PI0NYLAZ0BENZENES

Westermark B. 76

INTERPRETATION OF NMR SPECTRA OF LIQUID CRYSTALS

Findeisen M., Grande S., Stannarius R., Losche A. 78

THEORY OF NUCLEAR SPIN RELAXATION DUE TO ORDER DIRECTOR FLUCTUATIONS IN THE

SMECTIC A PHASE OF LIQUID CRYSTALS

Vilfan M., Blinc R. 80

The Glassy State

Invited Talks:

NMR-INVESTIGATIONS OF SPIN GLASSES

Alloul H. 82

FREEZING DYNAMICS OF SINGLE-CRYSTAL PROTON GLASSES

Courtens E.

Short Communications:

23Na-NMR OF THE CENTRAL LINE AND THE SATELLITE TRANSITIONS IN THE

STRUCTURAL GLASS Na^N^Cl-).*Elschner 5. 86

NMR AND EPR STUDY OF COLLECTIVE EFFECTS IN KTa03:LiRod S., Chatelain A., van der Klink J.J., Borsa F. 88

Posters:

CYCLOTRON RESONANCE IN SILICA GLASSES

Ciccarello I., Guccione M., Li Vigni M. 90

MdSSBAUER SPECTROSCOPIC STUDY OF SOME COMPLEX Si02.Li20.Fe203.Mn0 GLASSES

Hanga E., Tataru E., Morariu M. 92

DYNAMICAL PROPERTIES OF BORATE GLASSES BY NUCLEAR MAGNETIC RESONANCEBalzer G., Jain H., Kanert 0. 95

MAGNETIC RESONANCE ON HIGHLY DISORDERED SYSTEMS

Simon S., Simon V., Nicula Al. 97

ELECTRON PARAMAGNETIC RESONANCE OF 3d IONS IN NATRIUM-BORATE GLASSESTrif E., Peteany M., Nicula Al. 99

AN EPR STUDY OF As203.V205 GLASSES

Nicula Al., Culea E. 101

X

THE TEMPERATURE DEPENDENCE OF SPIN HAMILTONIAN PARAMETERS OF Cu(II) AND V(IV)COMPLEXES IN OXIDE GLASSES

Bogomolova L.D., Fedorov A.G., Krasil'nikova N.A. 103

E5R STUDY OF INTERACTIONS BETWEEN Fe3+ AND V4+ IONS IN Te02-V205-Fe203 GLASSESSingh R.

105

EPR STUDY OF NEUTRON IRRADIATED Fe203-B205-Pb0 GLASSES

Burzo E., Ursu I., Nazarov V.M. 107

EPR OF THE REENTRANT INSULATING SPIN-GLASS Eu^^SMehran F., Melcher R.L., Holtzberg F. 109

ELECTRON SPIN ECHO IN GLASSES: AN INFLUENCE OF TWO-LEVEL SYSTEMS?Antipin A., Kochelaev B., Orlinskii S., Fushman D., Shlenkin V. 111

THE DISTRIBUTION OF T-| IN A Ni-P GLASSY ALLOY

Tompa K., Varga L., Pocsik I., Furo I. 113

SATELLITE STRUCTURE OF 11B NMR SPECTRA IN Co3_xFexB ALLOYS

Wojcik M., Lerchner H., Rosenberg M., Livingston 3.D. 115

QUADRUPOLE SPLITTING AT BORON SITES IN Co3„xFexB ALLOYSErdmann K., Lerchner M., Rosenberg M. 117

FERROMAGNETIC RESONANCE STUDY OF Co58Ni1oFe5Di11B16 AMORPHOUS ALLOYBansal C, Sunandana C.S. 119

Non Linear Spin Dynamics

Invited Talks:

DIVERSITY AND UNIVERSALITY ALONG THE ROADS TO CHAOTIC BEHAVIOR OF

PUMPED NMR SYSTEMS

Brun E. 121

OBSERVATION OF CHAOS IN PARALLEL-PUMPED MAGNONSYamazaki H., Barberis D,, Waldner F. 123

PARAMETRIC EXCITATION OF QUASIPARTICLES IN ANTIFERROMAGNETS

Prozorova L.A. ^5

SOLITONS IN ONE-DIMENSIONAL MAGNETSBorsa F.

Short Communications:

AN ESR NEW EFFECT IN ONE-DIMENSIONAL SYSTEMS AT VERY LOW FREQUENCIESClement S., Bize E., Renard J.P.

127

129

SPIN DYNAMICS IN A QUASI 1D ANTIFERROMAGNET STUDIED BY PULSED ESR

Nijhof E.J., van der Vlist H., van Rijn J.J., Gerritsma G.J. 131

XI

MAGNETIC SOLITONS IN CsNiF3 INVESTIGATED BY ESR

Wiese J., Benner H., Boucher J.P. 133

A ROUTE TO CHAOS BY IRREGULAR PERIODS: SIMULATIONS OF PARALLEL PUMPING

Waldner F., Barberis D., Yamazaki H. 135

THE EFFECT OF SPECTRAL DIFFUSION ON THE SATURATION TRANSIENT REGIME

OF DILUTED RUBY SAMPLES

Boscaino R., Gelardi F.M., Mantegna R.N. 137

Posters:

ANOMALOUS ELECTRON SPIN RELAXATION IN 1-D SYSTEMS: PURE AND DOPED C.H.A.C.

Clement S., El Hage J., Ablart G., Poertadji S., Pescia J. 139

ANOMALOUS MICROWAVE ABSORPTION IN THE QUASI 1D ANTIFERROMAGNET RbCoCl3.2H20.Nijhof E.J., van der Vlist H., Pueirtolas J.A., Gerritsma G.J. 141

CAN SOLITON INSTABILITIES BE OBSERVED BY NMR?

143

EXCHANGEINTERACTIONS IN (NMe4)2Cu(mnt)2Kuppasamy P., Manoharan P.T. 145

TWO-DIMENSIONAL SOLITONS: SHAPE AND ENERGY OF STATIC EXCITATIONS COMPARED

Waldner F. 147

A ROUTE TO CHAOS BY IRREGULAR PERIODS: OBSERVATIONS IN AN ANTIFERROMAGNET BY

PARALLEL PUMPING

Barberis D., Waldner F. 149

BISTABILITIES AND BIFURCATIONS NEAR STATIONARY STATES OF THE POLARISED NONLINEAR

NUCLEAR SPIN SYSTEM OF A1 IN RUBY

Holzner R. 151

ON THE CHAOTIC BEHAVIOUR OF SOLUTIONS OF THE NON-LINEAR NMR-LASER EQUATIONS

Muller E.E. 153

BIFURCATIONS, SPIKING, CHAOS AND PHASE LOCKING IN AN NMR LASER WITH INJECTED

SIGNAL

Derighetti B., Ravani M. 155

NMR in Electronic and Ionic Conductors

Invited Talks:

MAGNETIC RESONANCE STUDIES IN THE POLYACETYLEN, (CH)XNechtschein M. 157

NMR STUDIES IN SUPERIONICS CONDUCTORS

Brinkmann D. 159

XII

CORRELATION FUNCTIONS AND ION MOTION IN SUPERIONIC CONDUCTORSBjorkstam J.L.

161

Short Communications:

KNIGHT SHIFT IN SMALL Pt PARTICLESBucher J.-P., Lazeyras F., van der Klink J.J., Fouilloux P. 163

MAGNETIC RESONANCE AND CONDUCTIVITY MEASUREMENTS ON THE NEW ORGANIC METALN.N'-DICYANONAPHTHOQUINONEBISIMIN (DCNQB)Grauf W., Schatzle A., von Schiitz J.U., Wolf H.C., Aumuller A.,Hiinig S. 165

Posters:

OVERHAUSERSHIFT OF CHARGE CARRIER SPIN RESONANCE IN ORGANIC CONDUCTORSDenninger G., Stocklein W., Dormann E., Schwoerer M. 167

NUCLEAR RELAXATION IN THE SEMI-METALS

Folscher G.C.K., Hoch M.J.R., Tzalmona A. 169

FLIP-FLOP TRANSITIONS IN THE PRESENCE OF LARGE QUADRUPOLE INTERACTIONS.APPLICATION TO 7LI RELAXATION IN THE IONIC CONDUCTOR LI3N.Birli H., Schimmele L., Messer R. 171

Ag DIFFUSION CONSTANT IN THE SUPERIONIC CONDUCTOR Ag26llsW40i6 MEASURED BYPULSED MAGNETIC FIELD GRADIENT NMRDommann A., Mali M., Roos J., Brinkmann D. 173

HIGH-PRESSURE NMR IN THE SUPERIONIC CONDUCTORS RbAg4l5 and KAg4l5Huber H., Mali M., Rooa J., Brinkmann D. 175

Li AND F DIFFUSION COEFFICIENTS IN THE SUPERIONIC POLYMERS PE08-LiC104 AND

PE08-LiCF3S03 MEASURED BY PULSED MAGNETIC FIELD GRADIENT NMR

Mali M., Roos J., Brinkmann D. 177

Paramagnetic Centers

Invited Talks:

ESR STUDIES OF ANTISITE DEFECTS IN GaAs AND GaP

Schneider J. 179

BOUND AND FREE SMALL POLARONS - CENTERS WITH BROKEN SYMMETRY

Schirmer O.F. 180

DEFECT CENTERS IN AS-GROWN, OXIDIZED AND REDUCED SrTi03:Co AND SrTi03:MnBlazey K.W., Muller K.A., Berlinger W., Cabrera J.M., Weibel H.,Aguilar M. 1B2

MAGNETIC RESONANCE STUDIES OF URANIUM COMPOUNDS AND NUCLEAR WASTEUrsu I., Lupei V. 184

XIII

Short Communications:

EPR OF NON-KRAMERS IONS IN LANTHANIDE NICOTINATE DIHYDRATES

Baker J.M., Martineau P.M., Hutchison C.A.Jr. 188

OPTICAL AND MAGNETIC STUDIES OF SOME LANTHANIDE NICOTINATES DIHYDRATES

Bleaney B., Leask M.J.M., Robinson M.G., Wells M.R., Hutchison C.A.Jr. 190

THE FORMATION OF MAGNETIC CLUSTERS FAR ABOVE THE FREEZING TEMPERATURE IN

INSULATING GLASSES

Baalbergen J.J., Verhaar N.A.H., Verstelle J.C. 192

TEMPERATURE DEPENDENCE OF THE ESR LINE WIDTH IN (MnO).4(A1203)«1(Si02).5Baalbergen J.J., Verstelle J.C. 194

ESR OF Gd3+ - AND Mn2+ - IMPURITIES IN MIXED VALENCE Ce COMPOUNDS

Schaeffer H., Elschner B. 196

Posters:

EPR STUDIES ON Re042~ IN ALKALIHALIDE CRYSTALS: INTRAMOLECULAR STATIC

JAHN-TELLER EFFECT

Ravi Sekhar Y., Bill H. 198

STUDY OF MOTION OF OFF-CENTER DEFECTS IN ALKALIHALIDE CRYSTALS BY NUCLEARMAGNETIC RESONANCE

Kanert 0., Kiichler R., Olthoff M. 200

ESR OF Tl2+ (110) DIMER CENTER IN ALKALI CHLORIDES

Nistor S.V., Schoemaker D., Ursu I., Yang B.R. 202

CO-DOPING EFFECTS ON THE URANIUMUrsu I., Lupei A., Lupei V. 204

ESR OF Fe+ AND Fe3+ CENTERS ON NaCl

Nistor S.V., Ursu I., Velter-Stefan. M. 206

EPR OF CU2+IN NAF

Magne G., Bill H. 208

EPR INVESTIGATION OF IRRADIATION EFFECTS IN HIGH PURITY QUARTZBaker J.M., Doherty S.P., Robinson P.T. 210

EPR OF TRIGONALLY DISTORTED (HfF6)3" COMPLEX IN IRRADIATED Cs2HfF6 SINGLE

CRYSTALS

Ursu I., Giurgiu L.V. 212

EPR STUDY OF ORDER-DISORDER ASPECTS IN X TYPE ZEOLITES CONTAINING Fe3+ IONSTrif E., Petrigor S., Strugaru D., Vass D., Nicula Al. 214

SPIN-LATTICE RELAXATION OF Cr3+ IONS IN EMERALS AT LOW AND SUPERLOW TEMPERATURESMartirossian R.M., Manvelian M.O., Peskovatskii S.A., Shulga V.M.,

Myshenko V.V. 216

XIV

MEASUREMENT OF THE Mn2+- F" DISTANCE FROM THE ISOTROPIC SUPERHYPERFINE CONSTANTBarriuso M.T., Moreno M. 218

EPR OF Mn2+ IN SINGLE CRYSTALS OF (M(H20)6)SNF6 (M = Mg.Zn.Cd)Hrabanski R. 220

DETERMINATION OF Mn2+-Ni2+ EXCHANGE INTERACTION CONSTANT IN NiSo4.7H20 BY EPRMisra S.K., Kahrizi M. 222

UNUSUAL STRUCTURE IN THE EPR SPECTRA OF SOME COPPER(II) COMPLEXES CAUSED BYMAGNETIC DIPOLE COUPLING WITH SLOW ELECTRON EXCHANGEHitchman M.A., Riley M.J., McDonald R.G. 224

EFFECT OF PAIRS IN THE SPIN-LATTICE RELAXATION OF Yb3+ IN SrF2Velter-Stefan. M., Nistor S.V. 225

TRIGONAL Yb3+ CENTER IN SrF2 IN THE POINT-CHARGE APPROXIMATIONVelter-Stefan. M., Nistor S.V. 227

ELECTRON PARAMAGNETIC RESONANCE OF Pr4+ IN ZIRCONHarris E.A., Mellor J.H., Parke S. 229

STRAIN EFFECTS IN THE EPR OF Re4*:(NH4)2PtCl6Tucker J.W., Bufaical R.F., Harris E.A. 231

HYPERFINE STRUCTURE OF THE f-ELECTRONS IN THE CRYSTAL FIELD OF CUBIC SYMMETRYWrobel B., Wojciechowski W. 233

THE g-SHIFT OF d7 AND d9 IONS: INFLUENCE OF CHARGE-TRANSFERAramburu J.A., Moreno M. 235

CHARGE REDISTRIBUTION EFFECT CAUSING RETURNING CONTRIBUTION TO THE TRANSFERRED

HYPERFINE INTERACTION IN MAGNETIC IONS AND ION PAIRSShrivastava K.N. 237

DYNAMICAL PHONON-INDUCED ZERO-FIELD SPLITTING

Shrivastava K.N. 239

EPR OF NON-KRAMERS I0N5 IN CUBIC CRYSTALLINE FIELDS

Lupei V. 2*1

Muon Spin Rotation

Invited Talks:

MUONIUM IN SEMICONDUCTORS

Patterson B.D. 243

SPIN ROTATION OF POSITIVE MUONS (u+SR) IN ALFA-IRON

SEEGER A. 245

XV

DIFFUSION AND TRAPPING OF POSITIVE MUONS IN METALS AND HYDRIDES

Karlsson E. 247

POSITIVE MUON AND MUONIUM (T2)-PR0CESSES IN GASES

Fleming D.G. 249

uSR, A TECHNIQUE COMPLEMENTARY TO ESR IN STUDIES INVOLVING FREE RADICALS

Roduner E. 251

Short Communications:

DOUBLE ELECTRON MUON RESONANCE (DEMUR)Estle T.L. 253

DETECTION OF VAN HOVE TYPE SINGULARITIES IN THE MUON KNIGHT SHIFT IN

Cd AND CdMg ALLOYS

Studer W., Gygax F.N., Hintermann A., Schenck A., van der Wal A.J. 255

MUONIUM: AN EXOTIC U-CENTER

Kiefl R.F., Baumeler M., Felber J., Keller H., Kundig W., Odermatt W.,Patterson B.D., Schneider J.W., Blazey K.W., Estle T.L., Rudaz S.L. 257

uSR STUDY OF MUONIC RADICALS IN NORBORNENE PLASTIC CRYSTAL

Ricco M., Bucci C, De Renzi R., Gaidi G., Podini P., Tedeschi R.,Scott C. 259

FORMATION MECHANISMS OF MUONIUM SUBSTITUTED RADICALS

Cox S.F.J., Symons M.C.R. 261

Posters:

ADVANCED TECHNIQUES IN uSR FOR POSITRON DETECTION

Podini P., Tedeaohi R. 263

NEW ASPECTS OF THE STRONG DIAMAGNETISM OF Bi FROM u+ KNIGHT SHIFT MEASUREMENTS

IN BiSb (19 AT %)

Gygax F.N., Hintermann A., Ruegg W., Schenck A., van der Wal A.J. 265

RATE CONSTANTS FOR RADICAL CIS-TRANS ISOMERIZATION OBTAINED BY ESR AND pSRStrub W., Roduner E., Fischer H. 267

Special Subjects

Invited Talks:

NMR ON SOLID SURFACES

Pfeifer H. 269

ESR IN SITU OF A JOSEPHSON TUNNEL JUNCTION

Baberschke K., Bures K.D., Barnes S.E. 271

XVI

ENHANCED NUCLEAR ACOUSTIC RESONANCE IN HoV04

Bleaney B., Brigga G.A.D., Gregg J.F., Swallow G.H., Weaver J.M.R. 273

Posters:

MICROWAVE INDUCED OPTICAL NUCLEAR POLARIZATION USING 75-GHZ MICROWAVEIRRADIATION

van Kesteren H.W., Wenckebach W.Th., Schmidt J., Poulis N.J. 275

PHOTOACOUSTIC DETECTION OF FMR DEPTH PROFILEOliveira A.C., Cesar C.L., Vargas H. 277

NUCLEAR ACOUSTIC RESONANCE IN METALS

Muller V. 279

NMR SURFACE AREA IN POROUS SUBSTANCES AND EXCHANGE PROCESS

Barbie L. 281

EPR STUDY OF OXIDATION OF ERBIUM IONS IN A NEAR-SURFACE LAYER OF A GOLD FOIL

Raizman A., Suss J.T., Seidman D.N., Shaltiel D., Zevin V. 283

THE ELECTRIC QUADRUPOLE INTERACTION IN SOLID FLUORINE AND SOME COVALENT BONDED

FLUORIDES

Barfuss H., Gubitz W., Kreische W., Lanzendorfer G., Roseler B. 285

ESR DETECTION OF "STABILIZED" IONS IN LIQUID HELIUM

Reichert J.F., Herrold G.S., Gagnon M.A. 287

INTERPRETATION OF SPIN RELAXATION BY BOUNDED DIFFUSION IN TWO-DIMENSIONAL

HETEROGENEOUS SYSTEMS

Korb J.-P., Winterhalter M., Tabony J. 289

EPR STUDIES OF FROZEN NON AQUEOUS SOLUTIONS CONTAINING (FeBr4)" AND (FeC14)"ANIONS

Rodriguez F., Moreno M. 291

RECENT N.O. INVESTIGATIONS OF ANTIFERROMAGNEUC NUCLEAR ORDER IN H0VO4 BELOW

TN = 5 mK

Allsop A.L., Bowden G.J., Clark R.G., Stone N.J. 293

THE SPECTROSCOPIC SPLITTING FACTORS OF TRANSITION METALS IN TERNARY URANIUM,YTTRIUM AND GADOLINIUM COMPOUNDS

Burzo E. 295

OBSERVATION OF THE ZERO-POINT SPIN REDUCTION IN ANTIFERROMAGNEUC EuTe BY NMR

Lutgemeier H., Schwarz B.R.I. 297

SPIN DYNAMICS IN MAGNETICALLY DILUTE SOLIDS

Avagian E.V., Atsarkin V.A., Vasneva G.A. 2"

XVII

SPIN KINETICS AND EPR IN SUPERCONDUCTORS WITH MAGNETIC IMPURITIES

Kochelsev B.I., Tagirov L.R., Trutnev K.F. 301

SPIN DYNAMICS STUDY BY PROTON NMR IN ONE-DIMENSIONAL CHAC AND CHAC:Mn

Clement S., Veillet P., Cheikh-Rouhou A. 303

235U ENRICHMENT EFFECT ON 19F NMR SPECTRA IN GASEOUS UF6Ursu I., Demco D.E., Bogdan M., Fitori P., Darabont A. 305

19F RELAXATION BY NMR ABSORPTION IN GASEOUS UF6, WF6, AND MoF6Ursu I., Demco D.E., Bogdan M., Fitori P., Darabont A. 307

ON THE TWO MEASURABLE COMPONENTS OF A SPIN

Pocsik I. 309

STATISTICAL ENTROPY AND NMR

Lenk R. 311

XVIII

CHEMISTRY

Chemical Reaction Pynawics

Invited Talks:

MAGNETIC RESONANCE STUDIES OF TRANSIENT RADICALS AND RADICAL IONSTrifunac A.D. 313

TIME INTEGRATION SPECTROSCOPY

McLauchlan K.A. 315

ELECTRON SPIN POLARIZATION OF PRIMARY REACTANTS IN PHOTOSYNTHESIS

Hoff A.J. 317

KINETIC ESR APPLIED TO FREE RADICAL REACTIONS IN LIQUIDSFischer H. 319

Short Communications:

THE RF AND MICROWAVE LABELLING TECHNIQUES IN CHEMICAL REACTIONS

Sagdeev R.Z., Grishin Y.A., Bagryanskaya F.L., Leshina T.V.,Valyaev V.I., Molin Y.N. 321

CIDEP TRAPPING METHOD FOR INVESTIGATION OF FREE RADICALS AND

TRIPLET STATES

Borbat P.P., Tsvetkov Y.D. 323

MAGNETIC RESONANCE IN PRESENCE OF CHEMICAL REACTIONS

Lendi K., Pottinger J. 324

CIDEP FROM GEMINATE RADICAL PAIRS AS STUDIED BY EFFECT MODULATED

ESR-SPECTROSCOPY

Baer R., Paul H. 326

Molecular Structure

Posters:

NOVEL POLYCYCLIC SYSTEMS: HETEROCYCLIC DIANIONS

Cohen Y., Minsky A., Rabinovitz M. 328

NMR STUDY OF CONFIGURATION AND CONFORMATION OF NORBORNENE/NORBORNANE FUSED

TETRACYCLIC AZETIDINONES

Sohar P., Stajer G., Bernath G. 329

APPLICATION OF TWO-DIMENSIONAL NMR TECHNIQUES FOR COMPLETE PROTON AND CARBQN-13

ASSIGNMENTS OF THE CIS_ AND TRANS ISOMERS OF BIXIN AND NORBIXIN

Conway T.F., Finger C.K., Jacaway W.A., Urbas B. 331

DEUTERIUM NMR OF THE C-16 AND C-22 DICARBOXYLIC ACIDS (K SALTS)-WATER LYOTROPIC

SYSTEMS

Loewenstein A., Charvolin J. 333

CONFORMATIONAL STUDIES OF ERGOPEPTINES IN SOLUTION BY 1H NMR

Kidric J., Grad M., Hadzi D. 335

XIX

15N NMR OF VERDINOID BILE PIGMENTS AT NATURAL ISOTOPE ABUNDANCE

Muller N. 337

DETERMINATION OF CARBON-IODINE COUPLING CONSTANTS FROM 13C RELAXATION TIMES

Mlynarik V. 339

MULTINUCLEAR NMR OF ORGANOSILANES

Kanyha P.J., Brey W.S. 341

57Fe NMR: RELAXATION MECHANISMS AND CHEMICAL SHIFTS

Baltzer L., Gansow O.A. 343

2-D-NMR-SPECTROSCOPY OF CARBOHYDRATES

Csuk R., Muller N. 345

NMR INVESTIGATIONS ON THE HYALURONIC ACID COPPER COMPLEX

Sterk H., Braun M., Schmut H. 347

CONFORMATIONAL PREFERENCE OF METHOXY AND ACETYLNAPHTHALENE

Salman R. none

Molecular Dynamics

Invited Talks:

HYDROGEN BOND DYNAMICS IN SOLIDS

Haeberlen U. 349

DYNAMICS OF THE HYDROGEN-BONDED PROTONS IN SOLID CARBOXYLIC ACIDS

Meier B.H., Meyer R., Schoenenberger C., Ernst R.R. 351

NMR STUDY OF MOLECULAR DYNAMICS IN SOME HYDROGEN-BONDED CRYSTALS

Terao T., Akagi T., Nagaoka S., Imashiro F., Saika A., Hirota N.,Hayashi S. 353

DYNAMIC NMR STUDIES OF MULTIPLE PROTON TRANSFERS: KINETIC ISOTOPE

AND SOLUTION-SOLID STATE EFFECTS

Limbach H.H. 355

Short Communications:

TUNNELING IN THE FORMATION AND DECAY KINETICS OF PHOTOCHEMICAL H-TRANSFERIN AROMATIC SINGLE CRYSTALS FROM TIME RESOLVED ONP AND OPTICAL METHODS

Nack M., Tietje M., Gutsze A., Colpa J.P., Prass B., Stehlik D.,Vieth H.M. 357

PROTON NMR ONE-PHONON AND TWO-PHONON RELAXATION DUE TO TUNNELLING INAMMONIUM HEXACHLORIDES

Svare I., Raaen A.M., Fimland B.O. 359

NUCLEAR SPIN CONVERSION OF THE LOW TUNNELING FREQUENCY CH3-GROUP OF

Cu(CH3C00)2.H20 BY MEANS OF A NEW METHOD

Coppens P., Vandemaele G., Van Gerven L. 361

XX

Posters:

INVESTIGATIONS OF MOLECULAR MOTIONS IN CLATHRATE HYDRATES BY NMR RELAXATIONMEASUREMENTS

Albayrak C, Zeidler M.D. 363

NITROGEN-15 SPIN-LATTICE RELAXATION OF AMMONIUM NITRATE IN THE PLASTIC PHASEJuranic N. 365

STUDY OF THE HYDRATATION REACTION OF PYRIDINE-4-ALDEHYDE BY MAGNETIZATIONTRANSFER EXPERIMENTS

Kalchhauaer H., Wolschann P. 367

MULTIPULSE DYNAMIC NUCLEAR MAGNETIC RESONANCEMeier P., Mueller K., Ohmes E., Kothe G. 369

HYDRATION REACTIONS OF TRICALCIUM SILICATE BY 29Si NMR

Clayden N.J., Dobson CM., Hayes C.J., Rodger S.A. 370

DEUTERON NMR STUDY OF LIQUID CRYSTALLINE POLYMERS AND POLYMER MODEL MEMBRANESBoffel C, Ebelhauser R., Fahmy T., Pschorn U., Spiess H.W. 372

DEUTERON NMR STUDY OF MOLECULAR MOTIONS AND PHASE TRANSITIONS IN SOLIDMULTIMETHYLAMMONIUM PERCHLORATESJurga S., Spiess H.W. 373

ORIENTATION DEPENDENT SPIN-LATTICE RELAXATION OF DEUTERON SPIN ALIGNMENT

Wefing S., Jurga S., Spiess H.W. 375

MOLECULAR MOTIONS IN PHASE I OF t-BUTYL CYANIDEHasebe T., Strange J.H. 377

29SI AND 27AL SOLID STATE NMR IN DEALUMINATED FAUJASITEGrobet P.J., Jacobs P.A. 379

ANISOTROPIC WATER DYNAMICS IN MGCI2Struis R.P.W.J., Leyte J.C. 381

PHASE TRANSITIONS AND MOLECULAR MOTIONS IN DIMYRISTOYL LECITHINE

Haggai G. 383

THE MOBILITY OF Li+ NEAR A POLYELECTROLYTE CHAIN FROM Mn2+ ENHANCED 7LiRELAXATION AND 7Li SELFDIFFUSION

Bleijser J., Wortel N., Leyte J.C. 385

INVESTIGATION OF CHAIN DYNAMICS IN CIS-1,4 POLYBUTADIENE WITH SOLID STATE NMR

COHERENT AVERAGING METHODS

English A.D., Dybowski C.R. 387

H- AND CT-COMPLEXING PROPERTIES OF AZAAROMATIC COMPOUNDS AS STUDIED BY NMR

SPECTROSCOPY

Poblocka K., Domagala A., Waclawek W. 389

XXI

MULTINUCLEAR NMR STUDIES OF COMPLEXES OF Mo(VI), W(VI) AND V(V) WITH LACTIC AND

THIOLACTIC ACIDS

Gil V.M.S., Caldeira M.M., Geraldes F.C., Ollveira N. 391

NMR STUDIES OF CIMETIDINE AND RANITIDINE IN SOLUTION:ACID-BASE EQUILIBRIA AND

EFFECTS OF ANTACIDS

Geraldes F.C., Gil V.M.S., Teixeira M.H. 392

13C NMR STUDY OF MOLECULAR MOTION OF 1,2-POLYBUTADIENE IN CDC13Shen L., Qian B., Ni Sh., Yu F. 394

TIME RESOLVED CIDNP DURING PHOTOREACTIONS OF ALIPHATIC KETONES

Vollenweider J., Hennig J., Fischer H. 396

ZEEMAN-TUNNELRELAXATION RESONANCE OF THE CH3-GROUP IN Cu(CH3C00)2.H20 USING VERY

FAST FIELD CYCLING

Vandemaele G., Coppens P., Van Gerven L. 398

NMR STUDY OF CH4-KR MIXTURES

Glattli H., Calvani P. 400

SOLID CH4-KR MIXTURE: A DISORDERED OCTUPOLAR STRUCTURE

De Luca F., Maraviglia B. 402

TEMPERATURE AND FREQUENCY DEPENDENCE OF T<| IN THE DIFFUSIVE PHASE OF SOLID CH4De Luca F., Nuccetelli C, Maraviglia B. 404

SPIN ECHO STUDY OF SELF-DIFFUSION IN XENON AT PRESSURES UP TO 3 KBAR

Peereboom P.W.E., Prins K.O., Trappeniers N.J. 406

LIBRATIONAL TUNNELING OF ND4+ IN (ND4)2SnCl6 BY LEVEL CROSSING LINE SHAPES

Ingman L.P., Koivula E., Punkkinen M., Ylinen E.E., Lalowicz Z.T. 408

NMR STUDY OF MOLECULAR MOTION IN MODIFIED POLYPROPYLENE

Olcak D., Schenk W., Murin J., Uhrin J., Rakos M. 409

ANOMALOUS ULTRASONIC ATTENUATION IN AMMONIUM ALUMINIUM ALUM

Fimland B.O., Fossum J.O., Svare I. 411

NMR STUDY OF THE H20 MOTION IN SNP CRYSTAL

Tritt-Goc J., Pislewski N., Haeberlen U. 412

QUANTUM TUNNELLING AND HOPPING MOTION OF METHYL GROUPS IN CADMIUM ACETATE

Mahgoub A.S., Clough S. 414

ANISOTROPY OF SPIN-LATTICE RELAXATION TIME IN NH3 GROUPS SYSTEM IN TGS CRYSTAL

Slosarek G., Pislewski N. 416

XXII

Multiple quantum Spectroscopy

Invited Talks:

NMR WITH NO FIELD AND MANY QUANTA

Pines A. none

MULTIPLE QUANTUM NMR ON QUADRUPOLAR SYSTEMS

Vega S., Zur Y. 418

COMPOSITE PULSES AND MULTIPLE-QUANTUM COHERENCE

Levitt M.H., Ranee M., Frey M., Suter D., Counsell C, Ernst R.R. 420

Chemical Applications of ESR, ENDOR, NQR, ODHR and Related Methods

Posters:

EPR-STUDY OF PHOTOCHEMICAL HYDROGEN TRANSFER IN ACCEPTOR-DONOR PAIRS WITH

DIFFERENT REACTION GEOMETRY IN THE SAME CRYSTALLINE MATRIX

Steidl P., Stehlik D. 422

OPTICALLY DETECTED CHLORINE NUCLEAR QUADRUPOLE RESONANCE ON CHLOROBENZENES IN

ORGANIC MOLECULAR CRYSTALS

v.Borczyskowski C. 424

REDOX EQUILIBRIA IN THE HETEROGENEOUS SYSTEM Cr203-V205Sunandana C.S. 426

THE ACTION OF RED LIGHT ON SOLID CARYOPHYLLENE NITROSITE, C15H24N2O3Freer A., MacAlpine D.K., Peacock J.A., Porte A.L.

UN AND 15N ENDOR STUDIES OF PROPELLANE-TYPE HYDRAZINIUM RADICAL CATIONS.

OBSERVATION OF SECOND-ORDER SPLITTINGS

Kirste B., Bock M., Kurreck H.

428

430

ESR STUDY OF INTERNAL ROTATIONS IN ARYL-METHINE NITROXIDES

Simon P., Rockenbauer A. *32

MOLECULAR STRUCTURE INFORMATION FROM DIPOLAR AND EXCHANGE ESR LINESHAPE IN A

RIGID OR SEMI-RIGID LATTICE

Coffman R.E., Pezeshk A. 434

11B, 1*N AND 19F NUCLEAR QUADRUPOLE COUPLINGS IN F3BNHXR3_X COMPOUNDS

Olliges J., Lotz A., Voitlander J., Barfuss H., Bohnlein G., Gubitz F.,

Ittner W., Lanzendorfer G., Kreische W., Roseler B. 436

MOLECULAR STRUCTURE AND 35C1 NUCLEAR QUADRUPOLE COUPLING TENSORS IN

METACHLORONITROBENZENE

Sharma S., Paulus H., Weiden N., Weiss A. 43a

ANISOTROPIC ENDOR SPECTRA OF RADICALS IN DISORDERED MATRICES

Brustolon M., Maniero A.L., Segre U. 440

XXIII

SPIN DIFFUSION IN A QUASI-TWO-DIMENSIONAL MAGNETIC SYSTEM. A TEMPERATURE

DEPENDENT STUDY

Gribnau M.C.M., Murugesan R., van Kempen H., de Boer E. 441

ELECTRON-SPIN-ECHO EXPERIMENTS ON THE QUASI ONE-DIMENSIONAL ORGANIC METAL

(PERYLENE)2.X1.2/3 THF (x = AsF6-,PF6-)Meenenga D., Dinse K.P., Schweitzer D., Keller H.J. 443

ESR STUDIES ON WC16 - CP SYSTEM

Ceausescu E., Dimonie M., Cornilescu A., Nicolescu E., Popescu M.,Coca S., Chipara M.I. 445

TEMPERATURE DEPENDENCE OF ENDOR ENHANCEMENT IN SEMIQUINONESChristidis T. 447

THERMALLY-DETECTED EPR STUDIES IN III-V MATERIALS

Bates C.A., Vasson A., Vasson A.M. 449

ESR SPECTROSCOPY USING TUNNELLING METHYL GROUPS

Horsewill A.J. 451

SYMMETRY-ADAPTED FOURIER-SERIES EXPANSIONS OF THE CONFORMATIONAL DEPENDENCES OFHYPERFINE COUPLINGS IN ORGANIC RADICALS

Maruani J., Toro-Labbe A. 453

ESR EVIDENCE FOR ROTATION BARRIERS IN 1-BENZ0YL-2.2-DIARYLHYDRAZYLSGrecu N.M., Negoita N., Caproiu M.T., Balaban A.T., Bologa U.,Walter R.I. 455

EPR STUDIES OF MIXED VALENCE INTERACTIONS IN Mn(III,IV) COMPLEXESSwarnabala G., Umashankar M., Rajasekharan M.V. 457

XXIV

BIOLOGY

NMR of Biological Systems

Invited Talks:

NMR METHODS FOR STUDYING ENZYME KINETICS

Campbell I., Boyd J., Brindle K.M., Oxley S.T. 459

PROTON RELAXATION BY PARAMAGNEITC AGENTS IN TISSUE

Koenig S. none

SOLID STATE NMR STUDIES OF BACTERIORHQDOPSIN

Harbison G., Herzfeld J., Smith S.O., Mathies R., Pardoen J.A.,Mulder P.P.J., Winkel C, Lugtenburg J., Griffin R.G. 461

STRUCTURE AND DYNAMICS OF FILAMENTOUS VIRUSES BY SOLID STATE NMR

Opella S.J. none

Posters:

ANISOTROPIC SPIN-LATTICE RELAXATION IN LIPID BILAYERS: A SOLID STATE 2H NMR

LINESHAPE STUDY

Siminovitch O.J. 463

THE REDUCTION OF THE ^P-CHEMICAL SHIFT ANISOTROPY IN OPPC-BILAYERS

Trahms L., Klabe W. 465

ENDOR STUDY OF THE PHOTOEXCITED TRIPLET STATE PT IN BACTERIAL PHOTOSYNTHETIC

REACTION CENTERS

Lendzian F., Sastry S., Mobius K,, van Willigen H. 467

TIME RESOLVED EPR STUDIES OF RADICAL REACTIONS IN ORGANIZED ASSEMBLIES -

MICELLES AND PHOTOSYNTHETIC SYSTEMS

Thurnauer M.C. 469

THE INTERACTION OF CU(II)-HISTIDINE COMPLEXES WITH THE VITAMIN C RED-OX SYSTEM

Sapper H., Paul H.H., Beinhauer K., Lohmann W. 471

31p NMR QUANTITATIVE STUDY OF THE LIVER FLUKE FASCIOLA HEPATICA

Shen L., Matthews P.M., Foxall D.L., Mansour T.E. 473

APPLICATION OF NMR TO SOME PROBLEMS IN PLANT BIOLOGY

Lenk R. 475

PROTON ^-DISPERSION OF PROTEINS, MUSCLE FIBRES AND LIVING LEECHES

Winter F., Kimmich R., Nusser W. 477

QUANTITATIVE MEDICAL DIAGNOSIS BY PROTON RELAXATION MEASUREMENTS

Bern* G.-J., Borcard B., Magnin P. 479

13C NMR INVESTIGATIONS OF MYOCARDIAL METABOLISM: STUDIES OF ALANINE

AMINOTRANSFERASE BY TRANSFER OF MAGNETIZATION

Sherry A.D., Malloy C.R., Nunnally R.L. 4B1

XXV

NMR RELAXATION MECHANISM IN SERUM FROM HEALTHY SUBJECTS

Yilmaz A., Altintas C, Turan B. 483

Structural Studies of Non-Crystalline Proteins and

Nucleic Acids

Invited Talks:

THE USE OF 13N NUCLEAR SPINS FOR NMR OF BIOLOGICAL MACROMOLECULES

Riiterjans H. none

QUANTITATIVE EVALUATION OF CROSS PEAKS IN 2D NMR SPECTRA AS A BASIS

FOR STUDIES OF INTERNAL MOTIONS IN PROTEINS

Wagner G. 485

THE SOLUTION STRUCTURE OF YEAST tRNAphe AS STUDIED BY HIGH

RESOLUTION NMR

Hilbers C.W. 487

2D NMR STUDIES OF PROMOTER AND OPERATOR DNA

Reid B.R. 488

Posters:

DETERMINATION OF THE STRUCTURAL DISORDER OF THE SOLID DNA BY SORBED WATER PROTONNMR

Lahajnar G., Kralj S., Zumer S. 490

STRUCTURAL PROPERTIES OF CALMODULIN, AN INTRACELLULAR CA2+-M0DULAT0R PROTEIN, AS

REVEALED BY DIFFERENT NMR-TECHNIQUES

Krebs J. 492

1H-NMR SPECTRA OF BOVINE k-CASEIN MICELLES

Rollema H.S., Vreeman H.J., Brinkhuis J.A. 494

HOMONUCLEAR RELAYED DOUBLE QUANTUM 2D NMR SPECTROSCOPY OF POLYPEPTIDES AND

PROTEINS

Macura S., Kumar N.G., Brown L.R. 496

APPLICATION OF DQF-COSY, RELAYED-COSY AND DOUBLE-RELAYED-COSY FOR THE ASSIGNMENT

OF PROTEIN 1H-NMR SPECTRA

Widmer H., Wagner G., Wuthrich K. 498

SEQUENTIAL RESONANCE ASSIGNMENTS OF OLIGONUCLEOTIDES WITH HOMONUCLEAR AND

HETERONUCLEAR 2D NMR

Frey M.H., Sf4rensen O.W., Leupin W., Denny W.A., Ranee M.,Ernst R.R., Wuthrich K. 500

170 AND 14N NMR STUDIES OF Co(II), Cu(II) AND Mn(II) COMPLEXES OF AMINO ACIDS IN

AQUEOUS SOLUTION, AND THE ION BINDING PROPERTIES OF THE PEPTIDE OXYGEN OF LINEAR

AND CYCLIC DIPEPTIDES

Gotsis E.F., Fiat D. 502

XXVI

APPLICATIONS AND NEW METHODS

Imaging and in-vivo NMR

Invited Talks:

ADVANCES IN DYNAMIC IMAGING BY NMR

Mansfield P., Doyle M., Chapman B., Guilfoyle D., Coupland R.E. 504

1H NMR STUDIES OF MUSCLE METABOLISM

Gadian D.G., Proctor E., Sprague D.B., Talbot D.F., Williams S.R.,Brown F.F., Young I.R. 506

PROGRESS OF NMR IN LIVING BEINGS: COMBINATION OF IMAGING AND IN VIVO

SPECTROSCOPY

Aue W.P., Muller S., Cross T.A., Pahl C, Hassink R.I., von Weymarn C,Seelig J. 508

Short Communications:

ASYMMETRIC IMAGING

Ailion D.C., Blatter D.D., Case T.A., Morris A.H., Cutillo A.G.,

Durney C.H. 510

Posters:

A SIMPLE SHIMMING STRATEGY FOR WHOLE BODY NMR IMAGING MAGNETS

Chapman B., Mansfield P. 512

NMR CINE IMAGE ENHANCEMENT

Doyle M., Mansfield P. 514

NMR IMAGING AND THE DIFFUSION OF WATER INTO NYLON

Blackband S., Mansfield P. 516

NMR IMAGING OF BORE CORES AND OF CRUDE OIL AND WATER IN SAND

Blackband S., Mansfield P., Barnes J.R., Clague A.D.H., Rice S.A. 518

IMAGES OF HUMAN HEAD WITH A HOME BUILT NMR SCANNER

De Luca F., De Simone B.C., Maraviglia B., Campanella R.,Casieri C., Muzzioli P., Vellucci F. 520

NMR SPECTRAL IMAGING USING NON-CIRCULAR SURFACE COILS

Clarke G.D., Nunnally R.L. 522

MAGNETIC FIELD GRADIENT COIL SYSTEM FOR NMR TOMOGRAPHY

Zupancic I.524

THE ASSESSMENT OF MYOCARDIAL PERFUSION BY 19F NMR IMAGING

Horner S.D., Babcock E.E., Nunnally R.L.

DISPERSION OF RELAXATION MEASUREMENTS: A FIELD CYCLING EXPERIMENT IN

THE EARTH FIELD

Borcard B.

526

FEASIBILITY OF NMR IMAGING IN EARTH FIELD RANGE

Stepisnik J.52B

530

XXVII

EPR-TOMOGRAPHY WITH STATIONARY AND MODULATED GRADIENT

Schneider W., Herrling T., Ewert U. 532

ESR TOMOGRAPHY IN STUDY OF RADICAL REACTIONS

Yakimchenko O.Y., Kartsivadze I.N., Lebedev Y.S. 534

MULTIPLE-QUANTUM NMR IN SOLIDS: APPLICATION TO SPIN IMAGING

Baum J., Garroway A.N., Munowitz M., Pines A. 536

Pulsed ESR and ENDOR

Invited Talks:

PULSED ESR OF FIXED AND MOBILE SPINS

Mehrinq M., Hb'fer P., Grupp A., Seidel H., Maresch G.G. 538

NOVEL TECHNIQUES IN PULSE AND CW ESR / ENDOR SPECTROSCOPY

Schweiqer A., Fauth J.M., Braunschweiler L., Mu'ri M., Ernst R.R. 540

ELECTRON SPIN-LATTICE RELAXATION ANOMALY OF PARAMAGNETIC DEFECTS

AT STRUCTURAL PHASE TRANSITIONS

Volkel G., Brunner W. 542

Short Communications:

ELECTRON SPIN ECHO SPECTROSCOPY OF PHOTO-EXCITED TRIPLET EXCITONS IN

ONE-DIMENSIONAL MOLECULAR CRYSTALS

van Kooten J.F.C., Bos F.C., Schmidt J. 544

PARTIAL EXCITATION IN ELECTRON SPIN ECHO ENVELOPE MODULATION SPECTROSCOPY

Barkhuijsen H., de Beer R., Pronk B.J., van Ormondt D. 546

DETECTION OF SLOW MOTION SPIN LABELS FROM DOUBLE MODULATION ESR SPECTRA

Rakvin B., Andreis M., Veksll Z. 548

Pulse Techniques in Solids

Invited Talks:

HIGH RESOLUTION PROTON NMR IN SOLIDS

Schnabel B. none

2D-FT MAGIC ANGLE SPINNING HIGH RESOLUTION NMR SPECTROSCOPY OF

QUADRUPOLAR NUCLEI IN SOLIDS

Lippmaa E. 550

TRANSFER OF SPIN ORDER IN SOLIDS

Suter D. 552

Short Communications:

MULTIPULSE IRRADIATION AND DIPOLAR SPIN TEMPERATURE: APPLICATION TO ADRFCROSS-POLARISATION

Quiroga L., Virlet J. 554

XXVIII

TIME DOMAIN ZERO FIELD MAGNETIC RESONANCEZax D.B., Bielecki A., Weitekamp D.P., Zilm K.W., Pines A. 556

NMR AND RELAXATION IN DOUBLY ROTATING FRAMEAtsarkin V.A., Mefed A.E. 558

SIDEBANDS IN MAS NMR SPECTRA OF DIPOLAR SOLIDS

Alia M., Heinmaa I. 560

Pulse Techniques in Liquids

Invited Talks:

PULSE SEQUENCES FOR SPATIAL LOCALIZATION WITHIN A LIVING SAMPLEShaka A.J., Freeman R. 562

A NEW LOOK AT SOME OLD EXPERIMENTS

Bax A., Drobny G.E., Sarkar S.K. 564

NEW APPROACHES TO THE MEASUREMENT OF CROSS-RELAXATION RATES BYTWO-DIMENSIONAL NMR

Bodenhausen G., Ranee M., Levitt M.H., Stfrensen O.W., Meier B.U.,Pfandler P., Denk W., Wagner G., Wuthrich K., Ernst R.R. 566

Short Communications:

STOCHASTIC SYSTEM ANALYSIS IN NMR SPECTROSCOPY

Blumich B. 568

SUPER COSY AND SUPER SECSY PULSE SCHEMES FOR TWO-DIMENSIONAL NMRKumar A., Hoaur R.V., Chandrasekhar K. 570

SPIN MANIPULATIONS IN HETERONUCLEAR 2-D NMR

Rutar V. 572

New NMR Methods

Posters:

DETERMINATION OF CARBON-CARBON DISTANCES AND ">3C CHEMICAL SHIFT TENSOR

ORIENTATION OF TRANSPOLYACETYLENE BY MEANS OF 13C 2D-NMR

Duijvestijn M.J., Manenschijn A., Wind R.A., Smidt J. 574

SWITCHING-ANGLE SAMPLE-SPINNING NMR SPECTROSCOPY FOR OBTAINING

POWDER-PATTERN-RESOLVED 2D SPECTRA

Terao T., Miura H., Onodera T., Fujii T., Saika A. 576

SPECIAL FEATURES OF HIGH FIELD NMR ON LIQUIDSvan Zijl P.CM., MacLean C., Bothner-By A.A. 578

ASSIGNMENT TECHNIQUES IN 29Si NMR SPECTROSCOPY OF PERTRIMETHYLSILYLATED PRODUCTS

Schraml J. 58°

XXIX

AN APPROACH TO THE GENERAL THEORY OF THE MULTIPLE-PULSE SPECTROSCOPY

Shaposhnikov I.G., Ainbinder N.E., Furman G.B. 582

NUCLEAR SPIN RELAXATION IN THE PRESENCE OF MW-4 MULTIPULSE SEQUENCE

Blicharski J.S. 584

ALTERNATIVE INTERPRETATION OF ROTARY SATURATION

Pocsik I. 586

NONADIABATIC EFFECTS ON ROTATING FRAME DIPOLAR RELAXATION MEASUREMENTS

Giinther B., Ailion D.C. 588

NUCLEAR MAGNETIC SUSCEPTIBILITY MEASUREMENTS BY MEANS OF AN ABSOLUTE NMR

DISPERSION SPECTROMETER. DEVELOPMENT OF A VERY HIGH STABILITY RF OSCILLATOR

Crits E., Van Gerven L. 590

ELIMINATION OF SIDEBANDS IN MASS SPECTRA

Raleigh D.P., Olejniczak E.T., Griffin R.G. 592

ECHO FORMATION IN ROTATING SOLIDS

Olejniczak E.T., Vega S., Griffin R.G. 594

FAST-SWITCHABLE HOMOGENIOUS MAGNETIC-FIELD FOR FIELD CYCLING NMR

Blanz M., Chen G.Q., Birli H., Messer R. 596

CHARACTERIZATION OF HETEROGENEOUS SOLIDS BY PROTON SPIN DIFFUSIONCaravatti P., Neuenschwander P., Ernst R.R. 598

DIPOLAR LINESHAPES IN MAS-NMR

Kundla E., Rull E. 600

New ESR Methods

Posters:

PULSED EPR SATURATION TRANSFER EXPERIMENTS ON POLYACETYLENEVolkel G., Dzuba S.A., Brunner W. 602

5PIN-RELAXATI0N IN MgO:Ni++ BY ELECTRON SPIN ECHO IN A LOOP-GAP RESONATOR

Gallay R., van der Klink J.J. 604

PRECISE TEMPERATURE HANDLING IN EPR SPECTROSCOPY

Berlinger W., Muller K.A., Buzarg J.Y. 606

MODULATION SPECTRUM IN MAGNETIC RESONANCE

Miyagawa I., Islam T., Ravkin B. 608

PARAMETRIC SPECTRUM ANALYSIS OF SPIN ECHO SIGNALS

Barkhuijsen H., de Beer R., van Ormondt D. 610

AN IMPROVED METHOD FOR ENDOR STUDIES OF POWDERED SAMPLES

612

XXX

ESR AT 3 MM WAVELENGTH

Haindl E., Burghaus 0., Plato M., Mobius K., Oloff H. 614

A FAST ELECTRON SPIN ECHO SPECTROMETER

Trommel J., Borsboom H.M., Lock H., de Looff J., Smidt J. 615

PULSE FOURIER TRANSFORM ESR SPECTROSCOPY

Dubinsky A.A., Grinberg O.Y., Panferov Y.F., Lebedev Y.S. 617

MODULATION SPECTRUM FROM AN ENDOR LINE

Peric M., Rakvin B., Dulcic A./

619

ORIENTATION-MODULATED ESR AND ENDOR SPECTROSCOPY

Kreis R., Schweiger A. 621

HIGH RESOLUTION MULTIPULSE GENERATOR FOR ELECTRON SPIN RESONANCE SPECTROSCOPY

Forrer J., Miiri M., Fauth J.M., Schweiger A., Ernst R.R. 623

DIGITAL METHOD FOR EPR LINESHAPE ANALYSIS IN METALLIC SAMPLES

Balanescu M., Burzo E. 625

FREE RADICAL DYNAMICS AS STUDIED BY 2 MM ESR

Lebedev Y.S., Grinberg O.Y., Dubinsky A.A., Ondar M.A., Poluektov O.G. 627

Other Technigues

Posters:

TRANSIENT OPTICAL NUCLEAR POLARIZATION IN MOLECULAR CRYSTALS

Macho V., Stehlik D., Vieth H.M. 629

QUANTUM EFFICIENCY OF OPTICAL NUCLEAR POLARIZATION

Allgeier J., Vieth H.M. 631

OPTICAL DETECTION OF ELECTRON SPIN DEPHASING OF THE EXCITED TRIPLET STATE IN

HIGHLY DISORDERED MOLECULAR CRYSTALS

Grimm J., Kirski T., v.Borczyskowski C, 5tehlik D. 633

ODNMR AND QUANTUM BEAT FREE INDUCTION DECAY OF Pr3+:YAGMacfarlane R.M., Harley R.T., Tropper A.C., Shelby R.M. 635

NO, MMR/ON AND RELAXATION STUDIES OF 54Mu AND 60Co IN MuCl2.4H20 FOLLOWING

NUCLEAR SPIN COOLING VIA MAGNONS

de Aranjo M., Clark R.G., Schottland M., Stone N.J. 637

XXXI