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通过X射线幻影衍射干涉条纹测量的硅单晶中的应变分布。

Strain distribution in an Si single crystal measured by interference fringes of X-ray mirage diffraction.

作者信息

Jongsukswat Sukswat, Fukamachi Tomoe, Ju Dongying, Negishi Riichirou, Hirano Keiichi, Kawamura Takaaki

机构信息

Saitama Institute of Technology, Fukaya, Saitama 369-0293, Japan.

出版信息

J Appl Crystallogr. 2013 Oct 1;46(Pt 5):1261-1265. doi: 10.1107/S0021889813019067. Epub 2013 Aug 24.

DOI:10.1107/S0021889813019067
PMID:24068841
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3778321/
Abstract

In X-ray interference fringes accompanied by mirage diffraction, variations have been observed in the spacing and position of the fringes from a plane-parallel Si single crystal fixed at one end as a function of distance from the incident plane of the X-rays to the free crystal end. The variations can be explained by distortion of the sample crystal due to gravity. From the variations and positions of the fringes, the strain gradient of the crystal has been determined. The distribution of the observed strain agrees with that expected from rod theory except for residual strain. When the distortion is large, the observed strain distribution does not agree with that expected from rod theory.

摘要

在伴有幻影衍射的X射线干涉条纹中，已观察到固定一端的平面平行硅单晶条纹的间距和位置随X射线入射平面到晶体自由端距离的变化。这些变化可以用重力引起的样品晶体畸变来解释。根据条纹的变化和位置，已确定了晶体的应变梯度。除残余应变外，观察到的应变分布与杆理论预期的分布一致。当畸变较大时，观察到的应变分布与杆理论预期的分布不一致。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/39df/3778321/f1c16c655641/j-46-01261-fig6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/39df/3778321/d373bc6b9b1f/j-46-01261-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/39df/3778321/fe7d793a7a74/j-46-01261-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/39df/3778321/4b345fadfb14/j-46-01261-fig3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/39df/3778321/65262900177b/j-46-01261-fig4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/39df/3778321/65433b6b1c71/j-46-01261-fig5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/39df/3778321/f1c16c655641/j-46-01261-fig6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/39df/3778321/d373bc6b9b1f/j-46-01261-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/39df/3778321/fe7d793a7a74/j-46-01261-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/39df/3778321/4b345fadfb14/j-46-01261-fig3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/39df/3778321/65262900177b/j-46-01261-fig4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/39df/3778321/65433b6b1c71/j-46-01261-fig5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/39df/3778321/f1c16c655641/j-46-01261-fig6.jpg

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引用本文的文献

1
Origin of irregular X-ray mirage fringes from a bent, thin crystal.来自弯曲薄晶体的不规则X射线幻影条纹的起源。
Acta Crystallogr A Found Adv. 2022 Sep 1;78(Pt 5):422-429. doi: 10.1107/S2053273322006143. Epub 2022 Jul 28.
2
X-ray interference fringes from a weakly bent plane-parallel crystal with negative strain gradient.来自具有负应变梯度的弱弯曲平行平面晶体的X射线干涉条纹。
Acta Crystallogr A Found Adv. 2019 Nov 1;75(Pt 6):842-850. doi: 10.1107/S2053273319011859. Epub 2019 Oct 7.

本文引用的文献

1
Interference fringes in multiple Bragg-Laue mode.多布拉格-劳厄模式下的干涉条纹
Acta Crystallogr A. 2011 Mar;67(Pt 2):154-9. doi: 10.1107/S0108767310051573. Epub 2011 Jan 26.
2
Interference fringes in multiple Bragg-Laue mode and mirage fringes from bent crystals.多布拉格-劳厄模式下的干涉条纹以及弯曲晶体产生的蜃景条纹。
Acta Crystallogr A. 2010 May;66(Pt 3):421-6. doi: 10.1107/S0108767310006148. Epub 2010 Apr 16.