TEM study of boron phosphide: Discovery of rhombohedral BP

07 December 2021, Version 1
This content is a preprint and has not undergone peer review at the time of posting.

Abstract

Microstructure of sphalerite (3C) boron phosphide, BP, produced by self-propagated high-temperature synthesis has been studied by high-resolution transmission electron microscopy. Along with numerous twins on the {111}3C plane, layers of wurtzite (2H) polymorphic modification and previously unknown for BP rhombohedral (3R) structure were found which indicates trimorphism of BP.

Keywords

boron phosphide
transmission electron microscopy
polymorphism
twinning

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