Polytypes and Twins in New Boron-Rich Chalcogenides B6S and B6Se Synthesized at High Pressure
Solid state communications(2024)
摘要
Microstructure of new boron-rich chalcogenides, orthorhombic B6X (X = S, Se) synthesized at high pressures and high temperatures, has been studied by high-resolution transmission electron microscopy. Two twins systems have been found along planes (101) and (002). Apart from numerous twins on the (101) plane, two types of polytypes were found: ABAB in both chalcogenides and AB1CD1AB1CD1 in B6Se. It has been shown that shear bands in B6S and cracks in both materials lie in planes {011}.
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关键词
Boron-rich chalcogenides,Transmission electron microscopy,Polytypes,Twinning
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