In situ measurements of lattice constants changes corresponding to different dislocation density ranges in KAP (n, -n) double crystals diffraction

[in Chinese]; [in Chinese]; [in Chinese]

Journals >Acta Optica Sinica >Volume 11 >Issue 9 >Page 821 > Article

Acta Optica Sinica
Vol. 11, Issue 9, 821 (1991)

In situ measurements of lattice constants changes corresponding to different dislocation density ranges in KAP (n, -n) double crystals diffraction

[in Chinese], [in Chinese], and [in Chinese]

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[in Chinese]

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[in Chinese], [in Chinese], [in Chinese]. In situ measurements of lattice constants changes corresponding to different dislocation density ranges in KAP (n, -n) double crystals diffraction[J]. Acta Optica Sinica, 1991, 11(9): 821 Copy Citation Text

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Abstract

In situ measurements of the relative changes in the lattice constants of KAP corresponding to the different dislocation density ranges has been earried out by means of (n,-n) double crystal diffract)metry. The (n, -n) double crystal reflection of the (001) plane with Cuka radiation shows that the relative change in lattice constants due to dislocations are in the range of 3.8～19.2×10-4nm.

Keywords

dislooation density lattice constant KAP single crystal

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