The effect of Fe incorporation on the single-crystal elasticity of δ-AlOOH [0.03%]
Fe掺杂对δ-AlOOH单晶弹性的的影响
Niccolò Satta,Giacomo Criniti,Tiziana Boffa Ballaran et al.
Niccolò Satta et al.
The seismic mapping of hydrous materials in the Earth's deep interior requires experimental constraints on the elastic anisotropy of hydrous minerals and phases. Oxyhydroxides like δ-(Al,Fe)OOH are arguably the main hosts of water in the l...
The packing fraction of the oxygen sublattice: its impact on the heat of mixing [0.03%]
氧亚格子的填充系数及其对混合焓的影响
Artur Benisek,Edgar Dachs
Artur Benisek
The heat of mixing of some petrological relevant substitutions (i.e., Mg-Al, Si-Al, Mg-Ti, Mg-Ca, and Mg-Fe) was investigated systematically in silicates, titanates, tungstates, carbonates, oxides, hydroxides, and sulphates by density funct...
Artur Benisek,Edgar Dachs,Michael A Carpenter et al.
Artur Benisek et al.
The cations of an ordered omphacite from the Tauern window were gradually disordered in piston cylinder experiments at temperatures between 850 and 1150 °C. The samples were examined by X-ray powder diffraction and then investigated using ...
Overview of HPCAT and capabilities for studying minerals and various other materials at high-pressure conditions [0.03%]
高压下HPCAT研究矿物及其他材料的概览与能力展望
Arunkumar Bommannavar,Paul Chow,Rich Ferry et al.
Arunkumar Bommannavar et al.
High-Pressure Collaborative Access Team (HPCAT) is a synchrotron-based facility located at the Advanced Photon Source (APS). With four online experimental stations and various offline capabilities, HPCAT is focused on providing synchrotron ...
Karine Gouriet,Pascal Roussel,Philippe Carrez et al.
Karine Gouriet et al.
The ultimate mechanical properties of MgSiO3 orthoenstatite (OEN), as characterized here by the ideal strengths, have been calculated under tensile and shear loadings using first-principles calculations. Both ideal tensile strength (ITS) an...
Evolution of chemically induced cracks in alkali feldspar: thermodynamic analysis [0.03%]
化学引发的钾长石裂纹演化:热力学分析
Rainer Abart,Elena Petrishcheva,Gerlinde Habler et al.
Rainer Abart et al.
A system of edge cracks was applied to polished (010) surfaces of K-rich gem-quality alkali feldspar by diffusion-mediated cation exchange between oriented feldspar plates and a Na-rich NaCl-KCl salt melt. The cation exchange produced a Na-...
A critical assessment of interatomic potentials for modelling lattice defects in forsterite Mg [Formula: see text] SiO [Formula: see text] from 0 to 12 GPa [0.03%]
用于模拟方石英Mg[公式]SiO[公式]中从0到12吉帕的晶格缺陷的原子间势能的关键评估
Pierre Hirel,Jean Furstoss,Philippe Carrez
Pierre Hirel
Five different interatomic potentials designed for modelling forsterite Mg 2 SiO 4 are compared to ab initio and experimental data. The set of tested properties include lattice constants, material density, elastic wave velocity, elastic...
Excess heat capacity and entropy of mixing along the hydroxyapatite-chlorapatite and hydroxyapatite-fluorapatite binaries [0.03%]
羟基磷灰石-氯化磷灰石和羟基磷灰石-氟磷灰石二元系的过量热容与混合熵
Edgar Dachs,Artur Benisek,Daniel Harlov et al.
Edgar Dachs et al.
The heat capacity, C p, of synthetic hydroxyapatite [Ca5(PO4)3OH-OH-Ap], as well as of ten compositions along the OH-Ap-chlorapatite (Cl-Ap) join and 12 compositions along the OH-Ap-fluorapatite (F-Ap) join have been measured using relaxati...
Stepwise dehydration of Cd-exchanged levyne: thermal stability and structural modifications [0.03%]
Cd交换levyne的逐步脱水:热稳定性和结构修改
Georgia Cametti
Georgia Cametti
Zeolites show remarkable properties that can be tuned through cation exchange of their original extraframework content. In this respect, the response of the modified zeolite to the heating stimuli, in terms of structural modifications and t...
Explaining the dependence of M-site diffusion in forsterite on silica activity: a density functional theory approach [0.03%]
用密度泛函理论解释硅酸盐中M亚位扩散对二氧化硅活化能的依赖关系
Joshua M R Muir,Michael Jollands,Feiwu Zhang et al.
Joshua M R Muir et al.
Experimentally, silica activity (aSiO2) has been shown to have an effect on Mg diffusion in forsterite, but no fully satisfactory mechanism has yet been proposed. We calculated the effects of aSiO2 and aluminium content (the main contaminan...