Figure 4.

Tuning of structures under high pressure. a) Resistivity as a function of pressure in MoS₂. b) The relative energy of MoTe₂, MoSe₂, and MoS₂ as a function of relative sliding ranging from 2H_c to 2H_a. c–f) Theoretical band structure as a function of pressure under ambient pressure, 23 GPa, 41 GPa, and 58 GPa, respectively. g) Crystal structures from various allotropes of phosphorus under different pressure. a) Reproduced with permission.^{[ 19 ]} Copyright 2014, Springer Nature. b–f) Reproduced with permission.^{[ 20 ]} Copyright 2015, Springer Nature. g) Reproduced with permission.^{[ 32 ]} Copyright 2017, American Physical Society.