A subsidiary fast-diffusing substitution mechanism of Al in forsterite investigated using diffusion experiments under controlled thermodynamic conditions
Diffusion of Al in synthetic forsterite was studied at atmospheric pressure from 1100 to 1500°
C in air along [100] with activities of SiO 2, MgO and Al 2 O 3 (a SiO2, a MgO and a Al2O3) …
C in air along [100] with activities of SiO 2, MgO and Al 2 O 3 (a SiO2, a MgO and a Al2O3) …
Hydrogen diffusion in Ti-doped forsterite and the preservation of metastable point defects
The effect of trace concentrations of Ti on the rate and mechanism of hydrogen diffusion in
pure forsterite was investigated experimentally. Forsterite doped with 350–400 ppm Ti …
pure forsterite was investigated experimentally. Forsterite doped with 350–400 ppm Ti …
Explaining the dependence of M-site diffusion in forsterite on silica activity: a density functional theory approach
Abstract Experimentally, silica activity (aSiO 2) has been shown to have an effect on Mg
diffusion in forsterite, but no fully satisfactory mechanism has yet been proposed. We …
diffusion in forsterite, but no fully satisfactory mechanism has yet been proposed. We …
Constraints on aluminum and scandium substitution mechanisms in forsterite, periclase, and larnite: High-resolution NMR
RJ McCarty, JF Stebbins - American Mineralogist, 2017 - degruyter.com
The incorporation of incompatible Al in forsterite is particularly interesting due to its
relevance in Al olivine-spinel geobarometry techniques as well as the proposed influence of …
relevance in Al olivine-spinel geobarometry techniques as well as the proposed influence of …
Mineral–melt partition coefficients and the problem of multiple substitution mechanisms: insights from the rare earths in forsterite and protoenstatite
AD Burnham, HSC O'Neill - Contributions to Mineralogy and Petrology, 2020 - Springer
A trace element may substitute into a mineral by more than one substitution mechanism,
complicating the thermodynamic description of its partition coefficients. In order to …
complicating the thermodynamic description of its partition coefficients. In order to …
Calculation of the energetics of water incorporation in majorite garnet
Abstract Interpretation of lateral variations in upper mantle seismic wave speeds requires
constraints on the relationship between elasticity and water concentration at high pressure …
constraints on the relationship between elasticity and water concentration at high pressure …
Electrophoretic deposition and an investigation of co-dopants effect on luminescence property of Mg2SiO4: Eu3+ phosphors
Forsterite particles doped with europium ions (Eu 3+) were synthesized via a solution
combustion method. The effect of co-dopants on photoluminescence intensity was …
combustion method. The effect of co-dopants on photoluminescence intensity was …
Lithium defects and diffusivity in forsterite
F Zhang, K Wright - Geochimica et Cosmochimica Acta, 2012 - Elsevier
Lithium is an important geochemical tracer used to infer the thermal and chemical evolution
of minerals in the Earth's upper mantle. Knowledge of point defect chemistry and diffusion is …
of minerals in the Earth's upper mantle. Knowledge of point defect chemistry and diffusion is …
[HTML][HTML] Li 同位素在斜顽辉石, 镁铝榴石及镁铝尖晶石晶格内扩散与分馏的理论计算研究
蒋佳俊， 梁光明， 靳佳冀， 张飞武 - 岩石学报, 2018 - html.rhhz.net
斜顽辉石, 镁铝榴石和镁铝尖晶石作为辉石族, 石榴石族以及尖晶石族中的重要端元,
是地球上地幔主要组成矿物. Li 同位素是重要的地幔地球化学示踪剂, 其在橄榄石 …
是地球上地幔主要组成矿物. Li 同位素是重要的地幔地球化学示踪剂, 其在橄榄石 …
Modelling of neutral vacancies in forsterite mineral
A Stashans, Y Flores - International Journal of Modern Physics B, 2013 - World Scientific
Density functional theory and generalized gradient approximation have been employed to
study Mg, Si and O vacancies in the Mg 2 SiO 4 forsterite mineral. Microstructure of defect …
study Mg, Si and O vacancies in the Mg 2 SiO 4 forsterite mineral. Microstructure of defect …