Comment on: High-Pressure Elasticity of alpha-Quartz: Instability and Ferroelastic Transition

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dc.creatorMuser, Martin H.
dc.creatorSchoffel, Philipp
dc.date2000-09-22
dc.date.accessioned2026-07-07T02:38:48Z
dc.date.available2026-07-07T02:38:48Z
dc.descriptionWe comment on the stability analysis of alpha-quartz under pressure by Gregoryanz et al., Phys. Rev. Lett. 84, 3117 (2000). The proper stability criterion for solids under pressure has to be formulated in terms of Birch coefficients rather than in terms of elastic constants. We show that the fictitious (extrapolated) stable phase of alpha-quartz above a pressure of 22 GPa is much smaller than anticipated by Gregoryanz et al.
dc.description1 page, 1 figure; submitted to Phys. Rev. Lett
dc.identifierhttps://arxiv.org/abs/cond-mat/0009353
dc.identifierhttp://arxiv.org/abs/cond-mat/0009353
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/16815
dc.subjectMaterials Science
dc.titleComment on: High-Pressure Elasticity of alpha-Quartz: Instability and Ferroelastic Transition
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