Temperature-dependent pressure-induced softening in Zn(CN)2
H Fang, A E Phillips, M T Dove, M G Tucker and A L Goodwin
Phys Rev B 88, 144103 (2013)
The final authors’ version of this article is available open access via. arXiv.org.
We study the temperature dependence of the pressure-induced softening in the negative thermal expansion material Zn(CN)2 using neutron powder diffraction and molecular dynamics simulations. Both the simulation and experiment show that the pressure-induced softening only occurs above a minimum temperature and also weakens at high temperatures.