搜索结果: 16-23 共查到“理学 perovskite”相关记录23条 . 查询时间(0.077 秒)
Molecular dynamics simulations of phase transitions and melting in perovskite MgSiO3 at mantle pressures
Molecular dynamics simulations phase transitions MgSiO3
font style='font-size:12px;'>
2012/4/1
The high pressure phase transitions and melting of the mantle mineral MgSiO3 with the perovskite structure were investigated using molecular dynamics (MD) simulations of a large system of atoms on a p...
Thermoelastic properties of MgSiO3 perovskite as the Debye approach
Thermoelastic properties MgSiO3 perovskite
font style='font-size:12px;'>
2012/3/30
MgSiO 3 perovskite is shown to be a Debye-like mineral by the determination of specific heat, CV, entropy, S, and thermal pressure, D P Th, using the Debye theory up to 1800 K.Sound velocities and bul...
Domain Structures of Epitaxial Perovskite Ferroelectric Films: Part II. Applications
Domain Structures Epitaxial Perovskite Ferroelectric Films
font style='font-size:12px;'>
2010/4/19
The use of domain stability maps for epitaxial perovskite ferroelectric films is illustrated with some examples. The equilibrium domain structure and domain fractions as a function of temperature are ...
Domain Structures of Epitaxial Perovskite Ferroelectric Films: Part I. Theory
Domain Structures Epitaxial Perovskite Ferroelectric Films
font style='font-size:12px;'>
2010/4/19
Possible equilibrium domain structures due to elastic interactions between the film and the substrate as a result of a cubic-tetragonal transformation observed in epitaxial perovskite ferroelectric fi...
Rietveld refinement of Ca2TiSiO6 perovskite
Rietveld refinement Ca2TiSiO6 perovskite
font style='font-size:12px;'>
2012/4/5
Thestructureofthehigh-pressurecubicdoubleperovskiteCa TiSiO wasre?nedusingsynchrotronX-raypowderdata[S.G. Fm3m,a 7.4105(1)A, Z 4].TiandSiarefullyorderedintoalternatingoctahedraintheperovskiteframework...
Complete Fe-Mg solid solution in lithium niobate and perovskite structures in titanates at high pressures and temperatures
Complete Fe-Mg solid solution lithium niobate perovskite structures titanates high pressures temperatures
font style='font-size:12px;'>
2012/4/5
Anewhigh-pressureMgTiO phasewiththelithiumniobatestructure(R3c)hasbeen
roveredfromexperimentsat21GPaand1200C.Phaseswiththelithiumniobate
structurewerealsosynthesizedforintermediatecompositionsbetwee...
Elastic properties of orthorhombic MgSiO3 perovskite at lower mantle pressures
Elastic properties orthorhombic MgSiO3 perovskite lower mantle pressures
font style='font-size:12px;'>
2012/4/5
ThefullelasticconstanttensoroforthorhombicMgSiO perovskitehasbeendetermined
from?rstprinciplesforthe?rsttimeathighpressureusingtheplane-wavepseudopotential
method.Theathermalelasticmoduli,determined...
Prediction of phase transition in CaSiO3 perovskite and implications for lower mantle structure
Prediction phase transition CaSiO3 perovskite implications mantle structure
font style='font-size:12px;'>
2012/4/6
First-principleslinear-response calculations wereusedto investigate the lattice dynamics ofwhatis thought to be the third mostabundant phase in the lower mantle,CaSi03 perovskite.Thecommonly assumed c...