Crystal structures and decomposing of B–P compounds under pressure
Zhang Die, Jin Xilian, Zhuang Quan, Li Ying, Yang Shuhan, Song Liying, Liu Bingbing, Cui Tian
       

Calculated enthalpies per atom as a function of pressure. The formation enthalpies of (a) BP and (b) B6P are shown relative to the decomposition to B+P and 6B+P, respectively.