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Orthorhombic Jahn-Teller distortion and Si-OH in mozartite CaMn3+O[SiO3OH]: A single-crystal X-ray, FTIR, and structure modeling study
Orthorhombic Jahn-Teller distortion Si-OH CaMn3+O[SiO3OH X-ray FTIR: structure modeling study
1997/9/10
Thestructureofmozartite,CaMn O[SiO OH],wasre?nedinspacegroup P2 2 2 fromX-raysingle-crystaldatacollectedat100K(R 2.45%, R 2.62%),300K(R 2.60%,R 2.68%),and500K(R 2.79%, R 2.81%).TheMn O octahedronshows...
Elastic properties of orthorhombic MgSiO3 perovskite at lower mantle pressures
Elastic properties orthorhombic MgSiO3 perovskite lower mantle pressures
1997/5/6
ThefullelasticconstanttensoroforthorhombicMgSiO perovskitehasbeendetermined
from?rstprinciplesforthe?rsttimeathighpressureusingtheplane-wavepseudopotential
method.Theathermalelasticmoduli,determined...
Monoclinic-orthorhombic phase transition in K2MgSi5O12 leucite analog
Monoclinic-orthorhombic phase transition K2MgSi5O12 leucite analog
1996/3/5
Thehigh-temperature cell parameters ofK2MgSis012have been measuredbyX-ray powder diffractionbetweenroom temperature and 842K.Afirst-order ferroelastic phase
transition between the room-temperature P2...