Elastic stability criteria of seven crystal systems and their application under pressure: Taking carbon as an example

• Published in: Journal of applied physics Vol. 133; no. 13
• Main Authors: Gao, Juan, Liu, Qi-Jun, Tang, Bin
• Format: Journal Article
• Language: English
• Published: Melville American Institute of Physics 07.04.2023
• Subjects: Allotropy; Applied physics; Carbon; Crystals; Elastic properties; Phase diagrams; Stability criteria

Elastic stability criteria are widely employed to prove the being of the lattice. Sin'ko and Smirnov have reported the applicable criteria under isotropic pressure and given the equations between the elastic constants C ~ i j and C i j under pressure. On this basis, the closed forms of necessar...