TEM study of boron phosphide: Discovery of rhombohedral BP

B.A. Kulnitskiy (1, 2) , V.D. Blank (2, 1) , T.A. Gordeeva (2, 1) , V.A. Mukhanov (3) , Vladimir Solozhenko (4)

1 Technological Institute for Superhard and Novel Carbon Materials
2 MIPT - Moscow Institute of Physics and Technology [Moscow]
3 Department of Chemistry, Lomonosov Moscow State University
4 LSPM - Laboratoire des Sciences des Procédés et des Matériaux

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 (9R) structure were found which indicates trimorphism of BP.

Mots clés: boron phosphide; transmission electron microscopy; polymorphism; twinning

Domaines: Cristallographie; Chimie inorganique

B.A. Kulnitskiy, V.D. Blank, T.A. Gordeeva, V.A. Mukhanov, Vladimir Solozhenko. TEM study of boron phosphide: Discovery of rhombohedral BP. Solid State Communications, 2022, 354, pp.114886. ⟨10.1016/j.ssc.2022.114886⟩. ⟨hal-03735898⟩