Use of quantitative convergent-beam electron diffraction in materials science

被引:0
作者
Holmestad, R [1 ]
Birkeland, CR
Marthinsen, K
Hoier, R
Zu, JM
机构
[1] Norwegian Univ Sci & Technol, Dept Phys, N-7491 Trondheim, Norway
[2] Norwegian Univ Sci & Technol, Dept Mat Technol & Electrochem, N-7491 Trondheim, Norway
关键词
convergent-beam electron diffraction; energy filtering; thickness; lattice parameter; charge density; bonding; TiAl; non-centrosymmetric; phase determination; polarity;
D O I
10.1002/(SICI)1097-0029(19990715)46:2<130::AID-JEMT6>3.0.CO;2-O
中图分类号
R602 [外科病理学、解剖学]; R32 [人体形态学];
学科分类号
100101 ;
摘要
Methods for quantitative convergent-beam electron diffraction are outlined and some results of our applications of convergent-beam electron diffraction are shown, with emphasis on quantitative analysis of crystal structures in materials science. Examples of thickness measurements and determination of lattice parameters are presented. Measurements of low-order structure factors to obtain information on bonding charge-density distributions are reviewed, with examples from TiAl intermetallics. For non-centrosymmetric crystals, a method to determine three-phase structure invariants is given. Determination of polarity is also discussed. Microsc. Res. Tech. 46:130-145, 1999. (C) 1999 Wiley-Liss, Inc.
引用
收藏
页码:130 / 145
页数:16
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