ε/γ′氮化铁化合物双层的x射线衍射分析

Q2 Chemistry

Zeitschrift Fur Kristallographie Pub Date : 2007-11-01 DOI:10.1524/ZKRI.2007.2007.SUPPL_26.223

T. Gressmann, A. Leineweber, E. Mittemeijer, E. Mittemeijer, M. Knapp

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引用次数: 3

摘要

用x射线衍射分析研究了在-Fe表面生长的-Fe3N/ -Fe4N双复合层。高分辨率同步加速器衍射测量所观察到的各向异性衍射线展宽和六边形层的衍射线位移可以用层内与浓度梯度和应力梯度相关的晶格参数梯度的存在来定量解释。对该层的研究揭示了fcc型金属不同寻常的弹性各向异性。

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X-ray diffraction analysis of an ε/γ' iron-nitride compound double layer

An -Fe3N/ -Fe4N double compound layer grown on -Fe was investigated by Xray diffraction analysis. The anisotropic diffraction-line broadening observed by highresolution synchrotron diffraction measurements and the diffraction-line shifts as measured for hexagonal layer can be quantitatively explained by the presence of both a lattice parameter gradient associated with a concentration gradient and a stress gradient within the layer. Investigation of the layer revealed an elastic anisotropy unusual for fcc type metals.

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来源期刊

Zeitschrift Fur Kristallographie 物理-晶体学

CiteScore

1.47

自引率

0.00%

发文量

审稿时长

3 months

期刊介绍： Zeitschrift für Kristallographie International journal for structural, physical, and chemical aspects of crystalline materials ISSN 0044-2968 Founded in 1877 by Paul Groth Zeitschrift für Kristallographie is one of the world’s oldest scientific journals. In original papers, letters and review articles it presents results of theoretical or experimental study on crystallography.