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Assignment of chiral elemental crystal structures using Kikuchi diffraction
DOI:10.1016/j.matchar.2022.112633.png)
摘要
En 中文
Crystals of the chemical elements manganese, tellurium, and selenium can show the effects of handedness. In order to sense the possible effects of a changing sense of chirality on the properties of samples from these ele-ments, the potential presence of two, enantiomorphic, physically different, variants of these elemental crystal structures needs to be resolved in crystallographic analyses. In the present paper, we show that dynamical Kikuchi diffraction in the scanning electron microscope is sensitive to the local sense of chirality in crystals of single chemical elements. We demonstrate chirality assignment in f-manganese, and we determine the sense of crystal chirality from Kikuchi diffraction patterns of the trigonal structures of tellurium and selenium.
Keyword:
Chirality
Non-centrosymmetric crystals
Scanning electron microscopy
electron backscatter diffraction
Kikuchi diffraction
Absolute structure
期刊
IF:
5.5
论文数:
1.1W
被引数:
3.4W
机构
引用论文
Assignment of enantiomorphs for the chiral allotrope β-Mn by diffraction methods
SCIENCE ADVANCES
IF12.5

