Frontiers in Magnetism of Reduced Dimension Systems: Proceedings of the NATO Advanced Study Institute on Frontiers in Magnetism of Reduced Dimension Systems Crimea, Ukraine May 25—June 3, 1997 PDF
Preview Frontiers in Magnetism of Reduced Dimension Systems: Proceedings of the NATO Advanced Study Institute on Frontiers in Magnetism of Reduced Dimension Systems Crimea, Ukraine May 25—June 3, 1997
Frontiers in Magnetism of Reduced Dimension Systems NATO ASI Series Advanced Science Institutes Series A Series presenting the results of activities sponsored by the NATO Science Committee, which aims at the dissemination of advanced scientific and technological knowledge, with a view to strengthening links between scientific communities. The Series is published by an international board of publishers in conjunction with the NATO Scientific Affairs Division A Life Sciences Plenum Publishing Corporation B Physics London and New York C Mathematical and Physical Sciences Kluwer Academic Publishers D Behavioural and Social Sciences Dordrecht, Boston and London E Applied Sciences F Computer and Systems Sciences Springer-Verlag G Ecological Sciences Berlin, Heidelberg, New York, London, H Cell Biology Paris and Tokyo I Global Environmental Change PARTNERSHIP SUB·SERIES 1. Disarmament Technologies Kluwer Academic Publishers 2. Environment Springer-Verlag / Kluwer Academic Publishers 3. High Technology Kluwer Academic Publishers 4. Science and Technology Policy Kluwer Academic Publishers 5. Computer Networking Kluwer Academic Publishers The Partnership Sub-Series incorporates activities undertaken in collaboration with NA TO's Cooperation Partners, the countries of the CIS and Central and Eastern Europe, in Priority Areas of concern to those countries. NATO-PCO-DATA BASE The electronic index to the NATO ASI Series provides full bibliographical references (with keywords and/or abstracts) to more than 50000 contributions from international scientists published in all sections of the NATO ASI Series. Access to the NATO-PCO-DATA BASE is possible in two ways: - via online FILE 128 (NATO-PCO-DATA BASE) hosted by ESRIN, Via Galileo Galilei, 1-00044 Frascati, Italy. - via CD-ROM "NATO-PCO-DATA BASE" with user-friendly retrieval software in English, French and German (© WTV GmbH and DATAWARE Technologies Inc. 1989). The CD-ROM can be ordered through any member of the Board of Publishers or through NATO PCO, Overijse, Belgium. 3. High Technology - Vol. 49 Frontiers in Magnetism of Reduced Dimension Systems edited by Victor G. Bar'yakthar Institute of Magnetism of National Academy of Sciences of Ukraine, Kiev, Ukraine Philip E. Wigen Ohio State University, COlumbus, Ohio, U.SA and Technical editor Natalia A. Lesnik Institute of Magnetism of National Academy of Sciences of Ukraine, Kiev, Ukraine Springer Science+Business Media, B.V. Proceedings of the NATO Advanced Study Institute on Frontiers in Magnetism of Reduced Oimension Systems Crimea, Ukraine May 25-June 3, 1997 A C.I.P. Catalogue record for this book is available from the Library of Congress. ISBN 978-94-010-6101-8 ISBN 978-94-011-5004-0 (eBook) DOI 10.1007/978-94-011-5004-0 Printed an acid-free paper AII Rights Reserved © 1998 Springer Science+Business Media Oordrecht Originally published by Kluwer Academic Publishers in 1998 Softcover reprint of the hardcover 1 st edition 1998 No part of the material protected by this copyright notice may be reproduced or utilized in any form or by any means, electronic or mechanical, including photo copying, recording or by any information storage and retrieval system, without written permission from the copyright owner. TABLE OF CONTENTS PREFACE IX LIST OF CONTRIBUTORS xi CHAPTER I 1 Perpendicular Electron Transport through Magnetic Multilayers 3 J Slonczewski CHAPTER II 27 Routes to Chaos in Ferromagnetic Resonance and the Return Trip: Controlling and Synchronizing Chaos 29 P.E. Wigen CHAPTER III 61 The Phenomenological Theory of Relaxation Processes in Magnets 63 V G. Baryakhtar On a Theory of Phase Transitions 95 E.D. Belokalos CHAPTER IV 119 Low Energy Spin-Wave Excitation in Highly Conductive Thin Films and Surfaces 121 Z. Frait and D. Fraitova Anomalous Low-Field Magnetization in La Ca1/3Mn0 near Critical Point 153 2/3 3 vs. JP. Araujo, Yu.G. Pogorelov, Amaral, JB. Sousa, P.B. Tavares and JM. Vieira CHAPTER V 159 Effective Fields in Magnetic Thin Films: Application to the Co/Cu and Fe/Cr Systems 161 B. Heinrich, JF. Cochran and M. Kowalewski VI Ferromagnetic Resonance in Films with Uniaxial Oblique Anisotropy 211 V 0. Golub, G.N Kakazei and NA. Lesnik Spin-Wave Spectrum in Randomly Modulated Superlattices 217 VA. Ignatchenko, YuL Mankov and A.A. Maradudin CHAPTER VI 223 Structural and Magnetic Investigations of Ferromagnets by NMR. Application to Magnetic Metallic Multilayers 225 P. Panissod The NMR Study of Fluctuations in Orientation of the Electron Magnetization 271 G.N Abelyashev, VN. Berzhanky, S.N Polulyakh and NA. Sergeev CHAPTER VII 277 Macroscopic Quantum Tunneling in Magnetic Nanostructures 279 B.A. Ivanov and A.K. Kolezhuk Kinetical Properties of Solitions in One-Dimensional Model Magnetic Systems 311 1 V Baryakhtar Magnetic Excitations in Random Magnetic Chains in the Large-S Limit 317 1 Avgin and DL Huber Contribution of Magnetic Domain Walls to Resonant Quasi-Particle Interactions in One-Dimensional Antiferromagnets 323 MM Bogdan and Z. V Slyozova CHAPTER VIII 329 Magnetic Materials for Information Storage Devices 331 K. Ouchi The Microscopic Origin of Coercivity in In-Plane Magnetised Ultrathin Epitaxial Fe/Ag(OOI) Films 369 R.P. Cowburn and J.A.C. Bland Magnetization Processes in Mesoscopic Systems: Nucleation, Magnetization and Hysteresis 375 R. Ferre vii Interlayer Coupling across an Alloy Spacer: Co/Cu75Au25 Multilayers 381 MM Pereira de Azevedo, B.G. Almeida, JB. Sousa and P.P. Freitas Magnetostatic Contribution to Perpendicular Magnetic Anisotropy Constant of Inhomogeneous Films 389 K. Yu. Guslienko CHAPTER IX 395 Optical and Magnetooptical Properties of Multilayer and Granular Films 397 EA. Gan'shina Optical and Magneto-Optical Spectroscopy ofCo/Cu Multilayers 433 R. Gontarz, S Uba, L. Uba, A.Ya. Perlov, A.N. Yaresko and VN. Antonov CHAPTER X 439 The Magnetic Resonance Force Microscope: A New Microscopic Probe of Magnetic Materials 441 P.e. Hammel, Z. Zhang, M Midzor, ML. Roukes, PE Wigen and JR. Childress Anomalous Magnetic Susceptibility of Multilayer Epitaxial Gamet Ferrite Films 463 A.R. Prokopov, S V Dubinko, A.a. Khrebtov and MI. Yeremina CHAPTER XI 469 The Giant Magnetoresistance Effect: Experimental Aspects and an Analytical Approach to the Boltzmann Equation 471 H.JM Swagten, MMH. Willekens and WJM de Jonge Coupling and Magnetoresistance in Co/Cr/Ag/Co Structures 501 E Kunnen, F.e. Aliev, K. Tems!, G. Verbanck, K. Mae, MJ van Bael, J Barnas, V V Moshchalkov and Y Bruynseraede Magnetotransport, Magnetization and Magnetic Resonance in Superlattices with Non-Collinear Magnetic Ordering 507 V V Ustinov and N. G. Bebenin Noncollinear Structure in Surface Gadolinium Layer of Multilayer GdiFe Films Induced by Magnetic Field 513 SL. Gnatchenko, A.B. Chizhik, D.N. Merenkov, V V Eremenko, H. Szymczak, R. Szymczak, K. Fronc, R. Zuberek viii Investigation of Structural, Magnetic and Transport Properties of Granular COxCuI.xF ilms 519 A.M Pohorilyi, A.F. Kravets, D.Y. Pod'yalovski, E. V Shipi/' and A.fa. Vovk CHAPTER XII 525 Bulk and Interface Magnetostrictions in Rare-Earth Superlattices 527 J.[ Arnaudas, A. Del Moral, M Ciria, C. De La Fuente, R.C.C. Ward andMR. Wells CHAPTER XIII 553 Nonlinear Parametric Excitation of Spin Waves 555 G.A. Melkov and A.A. Serga Volume MSW in the Inhomogeneous Multilayered Anisotropic Ferrite Films 579 E. V Popova and [ V Zavislyak Interaction of Exchange Spin Waves with Transversal and Longitudinal Hypersound in Ferrite Films with Magnetic Inhomogeneity 585 A.G. Temiryazev, MP. Tikhomirova and P.E. Zilberman Influence of Interfaces on Giant Magnetoresistance in Magnetic Sandwiches 591 A. Vedyayev, M Chshiev, N. Tsidaeva and D. Dieny INDEX 597 Preface This volume contains the lectures and some of the contributions presented at a meeting of the NATO Advanced Study Institute (ASI) on "Frontiers in Magnetism of Reduced Dimension Systems", held at Partenit (Crimea, Ukraine), May 25 -June 3,1997. The purpose of this meeting was to bring together eminent and young scientists working in the field of magnetism of low-dimensional systems. The tutoial courses, which were done at a high professional level, presented the state of the art, the new achievements in magnetism of mesoscopic systems (fundamentals and applications), and stimulated exciting discussions. We hope that the creative atmosphere, that reigned at the meeting, is also felt when reading the book. We expect that this book will attract the attention of specialists in the field and will stimulate new theoretical ideas, experimental results and applications. The proceedings are organized into 13 chapters, each including a lecture and contributed papers on the similar subject. Five chapters deal with theoretical descriptions of electron transport phenomena, relaxation processes, non-linear parametric interactions, phase transitions and macroscopic quantum effects in magnetic films and particles. The description of different characterization techniques has an important place in the book. Separate chapters are dedicated to magnetic resonances (FMR, SWR and NMR), magneto-optical spectroscopy , controlling chaos, magneto elastic phenomena and magnetic resonance force microscopy. Another chapter gives a detailed review of materials being used for application in information storage devices and includes a number of contributed papers. In summary, the book defmes our knowledge and the present state of development in the theme of the meeting. However, the field has not reached maturity even though there are a number of potential applications of magnetic thin films and multilayers such as magnetic sensors, magnetic media for data storage/retrieval systems, magnetic actuators, etc. We expect that more scientists and engineers will be involved in this area of research in the future. Many people and organizations contributed to the success of the meeting and the preparation of these proceedings. Our particular gratitude is to the Scientific and Technical Center of Ukraine and to the Presidium of the National Academy of Science. The co directors of the meeting, Philip E. Wigen (Ohio State University, Columbus, USA) and Victor G. Baryakhtar (Institl.ije of Magnetism, NASU, Kiev, Ukraine), worked hard for bringing the participants together and editing the proceedings. The co-directors wish to express a special thanks to Dr. Natalia A. Lesnik (Institute of Magnetism, NASU, Kiev, Ukraine) who contributed significantly as scientific secretary and technical editor of the book. We also wish to thank the NATO Scientific Council for sponsoring this meeting. Victor G. Baryakhtar Philip E. Wigen ix Contributors Abelyashev, G. N. Simferopol State University Yaltinskaya, 4,333036 Simferopol, Ukraine Aliev, F. G. Laboratorium Voor Vaste-Stoffysika En Magnetisme, Katholieke Universiteit Leuven Celestijnenlaan 200 D, B-3001 Leuven, Belgium Almeida, B. G. Departamento De Fisica, Universidade Do Porto Rua Do Campo Alegre 687, 4150 Porto, Portugal Amaral, V. S. Departamento De Fisica, Universidade Do Porto Rua Do Campo Alegre 687, 4150 Porto, Portugal Antonov, V. N. Institute of Metal Physics NAS of Ukraine 36 Vemadsky Str., 252142 Kiev, Ukraine de Araujo, J. P. Departamento De Fisica, Universidade Do Porto Rua Do Campo Alegre 687, 4150 Porto, Portugal Amaudas, J. L Departamento Fisica De Materia Condensada, Facultad De Ciencias, Universidad De Zaragoza CI Pedro Cerbuna, 12, E-50009 Zaragoza, Spain Avgin,1. Ege University, Electrik-Electronik Muh. Bol. 35100 Izmir, Turkey van Bael, M. 1. Laboratorium Voor Vaste-Stoffysika En Magnetisme, Katholieke Universiteit Leuven Celestijnenlaan 200 D, B-3001 Leuven, Belgium Bamas, J. Laboratorium Voor Vaste-Stoffysika En Magnetisme, Katholieke Universiteit Leuven Celestijnenlaan 200 D, B-3001 Leuven, Belgium Baryakhtar, I. V. B.I.Verkin Institute for Low Temperature Physics&Engineering 47 Lenin Avenue, 310164 Kharkov, Ukraine Baryakhtar, V. G. Institute of Magnetism NAS of Ukraine 36b Vemadski Srt., 252142 Kiev, Ukraine Xl
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