Applied Crystallography PDF
Preview Applied Crystallography
Proceedings of the XVIII Conference :'- •', . II </ tin -itiiiltaaiiiuJa S|fc**n lfVt«i^ Editors: Henryk M A P P L I ED CRYSTALLOGRAPHY Proceedings of trie XVIII Conference A P P L I ED CRYSTALLOGRAPHY Wisla, Poland 4-7 September 2000 Editors Henryk IVIorawiec & Danuta Stroz University of Silesia Katowice, Poland V fe World Scientific wB SSininggaappoorree •• N NeewwJ Jeersrseevy •L Loonnddoonn •• Hong Kong Published by World Scientific Publishing Co. Pte. Ltd. P O Box 128, Farrer Road, Singapore 912805 USA office: Suite IB, 1060 Main Street, River Edge, NJ 07661 UK office: 57 Shelton Street, Covent Garden, London WC2H 9HE British Library Cataloguing-in-Publication Data A catalogue record for this book is available from the British Library. APPLIED CRYSTALLOGRAPHY Proceedings of the XVIII Conference Copyright © 2001 by World Scientific Publishing Co. Pte. Ltd. All rights reserved. This book, or parts thereof, may not be reproduced in any form or by any means, electronic or mechanical, including photocopying, recording or any information storage and retrieval system now known or to be invented, without written permission from the Publisher. For photocopying of material in this volume, please pay a copying fee through the Copyright Clearance Center, Inc., 222 Rosewood Drive, Danvers, MA 01923, USA. In this case permission to photocopy is not required from the publisher. ISBN 981-02-4613-7 Printed in Singapore by Uto-Print V Foreword This volume contains most of the papers presented at the XVIII Conference on Applied Crystallography held in Wisla - Poland from 4 to 7 September 2000. The particular objective of these conferences is to enable the meeting of crystallographers, solid state physicists and also materials scientists. The participants look further than the narrow perception of crystallography associated merely with the determination of crystal structure. The papers presented here report the most appreciable achievements made in the development and propagation of methods of structural investigation for application to materials used in industrial practice. Studies to gain a deeper insight into the real structure of materials have become a notable feature of these conferences. This Proceedings reflect the programme of the XVIII Conference covering the areas of: - Determination of crystal structure from powder diffraction by Rietveld method - Development of methods and techniques in X-ray, electron and neutron diffraction - Crystallography of phase transformation, most of the presented papers concerned the martensitic transformation in shape memory alloys - Texture studies, defect structure and microstructure characterisation - Material structure which comprise metals, ceramic and polymers, amorphous, nanomaterials and thin films. The conference was attended by many distinguished specialist who presented their papers on plenary and oral sessions. A total of 38 papers were presented on both kind of sessions and a further 54 at the poster sessions. The 120 participants including 47 from abroad were coming from 17 countries. The conference was accompanied by the Workshop on Rietveld Method. This was the consequence of the three previous organised Summer Schools on Rietveld method in X-ray diffraction. In the frame of the Workshop the participants presented their papers during a poster session. This workshop was organised under the patronage of the Commission on Powder Diffraction of the International Union of Crystallography. The International Union of Crystallography was also a sponsor of the Workshop. The organiser and director of the School was Prof. Ray Young from Georgia University in Atlanta, and the lecturers were Prof. R. Von Dreele, VI Prof. P. Attfield and Prof. J. Rodriguez - Carvajal. The Rietveld Workshop participants not only listened to the lectures but also had the practical opportunity to improve their computation abilities. I would like to point out here that it would not have been possible to organise the conference without financial support of different institutions and societies to whom I would like to express my thanks. Special thanks are due to the International Union of Crystallography for supporting the young scientist - participants of this conference as well as to the Polish Ministry of Education. Finally, I would also like to thank all the members of the Organising Committee and the Advisory Board who where unsparing in their efforts to prepare the XVIII Conference on Applied Crystallography. Henryk Morawiec vii Advisory Board A. Authier, France R.J. Cernik, U.K. J. Fiala, Czech Republic P. Klimanek, Germany D. Louer, France K. Lukaszewicz, Poland H. Morawiec, Poland N. Nakanishi, Japan K. Niihara, Japan D. Smith, USA R. Von Dreele, USA R.A. Young, USA R. Hill, Australia Organising Committee Honorary Chairman: Z. Bojarski, University of Silesia Chairman: H. Morawiec, University of Silesia Secretary: D. Stroz, University of Silesia Members: T. Bold, Institute of Ferrous Metallurgy, Gliwice J. Pielaszek, Institute of Physical Chemistry, PAS, Warszawa E. Sobczak, Institute of Physics, PAS, Warszawa J. Lelatko, University of Silesia E. L^giewka, University of Silesia B. Brzycka, University of Silesia Conference sponsors: Polish Ministry of Education Polish Academy of Sciences State Committee for Scientific Research International Union of Crystallography Institute of Non-Ferrous Metals IX CONTENTS Determination of crystal structure from powder diffraction by Rietveld method The microstructure of nanocrystalline powders by combining fitting techniques and diffraction-line-broadening analysis 3 D. Louer, N. Audebrand Characterisation of subtle structural disortions in transition metal oxides by high resolution powder diffraction 13 J.P. Attfield X-ray studies of nanomaterials: theory and experiment 21 J. Pielaszek, Z. Kaszkur, B. Mierzwa The bond valence method - applied to complex thioanions and heterobimetallic complexes of copper with molybdenum and tungsten via bridging sulfur ligands 27 H. Boiler Magnetic structure determination from powder diffraction using the program FullProf 30 J. Rodriguez-Carvajal Structure of the 7?-phase in NiTi shape memory alloys 37 T. Goryczka, D. Stroz, H. Morawiec Rietveld refinement studies of Te-doped CoSb 46 3 K. T. Wojciechowski, M. Bucko, A. Malecki, Z. Wegrzyn Rietveld profile analysis on the Mn-substituted, ordered LiFe 0 50 5 8 P. Piszora, W. Nowicki, J. Darul, E. Wolska Crystal structure of CuCr Se , Cuo.8Coo.2Cr Se and Cuo.4Coo.6Cr Se4 54 2 4 2 4 2 I. Okonska-Kozlowska, E. Maciqzek, A. Ratuszna Rietveld quantitative analysis of Donieck anthracite with structure refinement of organic component 58 H. Krzton Development of methods and techniques in X-ray, electron and neutron diffraction Small-angle scattering and the decomposition of alloys 65 G. Kostorz
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