ISO INTERNATIONAL STANDARD 19214 First edition 2017-04 Microbeam analysis Analytical electron microscopy - Method of determination for apparent growth direction of wirelike crystals by transmission electron microscopy Analyseparmicrofaisceaux-Microscopieélectroniqueanalytique Methode dedétermination de ladirection apparente de croissance des cristaux filiformes parmicroscopieélectronique en transmission Referencenumber IS019214:2017(E) iso Intemational Organization for Standardization @ISO2017 CHEJIANG INSTOFSTANDARDIZATION C15956617 ed without license from IHS IS019214:2017(E) COPYRIGHTPROTECTEDDOCUMENT IS02017,Published inSwitzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISO's member body in the country of the requester. ISO copyright office Ch. de Blandonnet 8. CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +4122 749 09 47 copyright@iso.org www.iso.org Intemationaibr PrganizationforStandardization Uicensee-ZHEJIANG INST OF STANDARDIZoISQ 3q,7 -All rights reserved networking permited without license from IHS NotforResale, 2017/8/21 02:00:4 IS019214:2017(E) Contents Page Foreword ..iv Introduction.. .. 1 Scope.. 2 Normative references 3 Terms and definitions 4 Specimens. .2 5 Analysisprocedure. 2 5.1 Setting the TEM operating condition 2 5.1.1 Preparation of the TEM 2 5.1.2 Accelerating voltage. 2. 5.1.3 Settingthespecimen .2 5.1.4 Calibration of the rotation angle 2 5.2 Data acquisition .3 5.2.1 Select the target crystal. 3 5.2.2 Obtainingdiffractionpatterns .3 5.2.3 Determining interplanar spacing 4 5.2.4 Index diffractionpatterns .4 5.2.5 Non-uniqueness ofthe indexing result .5 5.3 Determination of thecrystalline direction 5 5.3.1 General approach .5 5.3.2 Simplified procedurefor special situations 8 5.3.3 Convert the crystallographic index ..8 5.3.4 Resultof themultiplicityfactor. 9 6 Uncertainty estimation .9 7 Test report .10 Annex A (informative) Relationships of Miller notation and Miller-Bravais notation for hexagonal crystals ..11 Annex B (informative) Matrix G and G-1 for the crystal systems ..12 AnnexC(informative)Exampleofatestreport ..14 Bibliography ..15 iii See=ZHEJIANG INSTOFSTANDARDIZATIONC15956617 thout license from IHS