upward

Liquid and amorphous

M Yang, T Karmakar, M Parrinello, Liquid-Liquid Critical Point in Phosphorus, PRL 127, 080603 (2021)

T Morishita, Polymeric liquid of phosphorus at high pressure: First-principles molecular-dynamics simulations, PRB 66, 054204 (2002)

D Hohl, R O Jones, Amorphous phosphorus: A cluster-network model, PRB 45, 8995 (1992)

P Briddon, R Jones, Ab initio calculations on topological defects in amorphous phosphorus, JPC 1, 10361 (1989)