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Multifactor-controlled mid-infrared spectral and emission characteristic of carbonate minerals (MCO3, M = Mg, Ca, Mn, Fe)

期刊: PHYSICS AND CHEMISTRY OF MINERALS, 2021; 48 (4)

Carbonate minerals have been playing an important role in determining the history of the earth's atmosphere, geology, and hydrology and have received ......

Crackling noise and avalanches in minerals

期刊: PHYSICS AND CHEMISTRY OF MINERALS, 2021; 48 (5)

The non-smooth, jerky movements of microstructures under external forcing in minerals are explained by avalanche theory in this review. External stres......

Environmental-sulfur-controlled surface properties of pyrite: a first principles PBE plus U study

期刊: PHYSICS AND CHEMISTRY OF MINERALS, 2021; 48 (5)

The structure and stability of pyrite (100), (210), (110), and (111) surfaces in different sulfur conditions were studied in the framework of GGA(PBE)......

Effect of Al on the stability of dense hydrous magnesium silicate phases to the uppermost lower mantle: implications for water transportation into the deep mantle

期刊: PHYSICS AND CHEMISTRY OF MINERALS, 2021; 48 (9)

We have systematically investigated the high-pressure and high-temperature stability of Al-bearing dense hydrous magnesium silicate phases (DHMSs) in ......

First-principles calculations of thermodynamic properties of Ni sulfides in the upper mantle

期刊: PHYSICS AND CHEMISTRY OF MINERALS, 2021; 48 (8)

Nickel sulfides are common in nature, and have been found in mantle-related rocks and xenoliths. Their properties exhibit significant differences with......

Thermal expansion of ellinaite (beta-CaCr2O4): an in-situ high temperature X-ray diffraction study

期刊: PHYSICS AND CHEMISTRY OF MINERALS, 2021; 48 (1)

The thermal expansion of orthorhombic CaFe2O4-type beta-CaCr2O4, ellinaite, was studied by high temperature in-situ synchrotron X-ray diffraction meas......

Fe2+ substitution in coexisting wadsleyite and clinopyroxene under hydrous conditions: implications for the 520-km discontinuity

期刊: PHYSICS AND CHEMISTRY OF MINERALS, 2020; 47 (1)

Chemical compositions and crystal structures of coexisting wadsleyite, clinopyroxene, and phase E (synthesized at 1400 degrees C and 18 GPa under hydr......

Crystal structure of impurity-free rhodochrosite (MnCO3) and thermal expansion properties

期刊: PHYSICS AND CHEMISTRY OF MINERALS, 2020; 47 (2)

To explain the anomalous anisotropy in thermal expansion properties reported in rhodochrosite (MnCO3) previously Rao and Murthy (J Mater Sci 5: 82, 19......

Thermal stability and compressibility of bastnaesite

期刊: PHYSICS AND CHEMISTRY OF MINERALS, 2020; 47 (3)

Bastnaesite (Ce0.50La0.25Nd0.20Pr0.05)CO3F is an interesting pattern family of (CO3)(2-) and F- co-existing phases, which is a meaningful sample to st......

Infrared emission properties of a kind of natural carbonate: interpretation from mineralogical analysis

期刊: PHYSICS AND CHEMISTRY OF MINERALS, 2020; 47 (3)

In recent years, infrared radiation materials have received extensive attention. In this study, a kind of natural carbonate rock was highlighted and i......

Phase transition of sanidine (KAlSi3O8) and its effect on electrical conductivity at pressures up to 11 GPa

期刊: PHYSICS AND CHEMISTRY OF MINERALS, 2020; 47 (4)

Sanidine is an important crustal mineral whose high-pressure phase, liebermannite, can be carried down to the mantle transition zone by the subducting......

Raman spectra of sillimanite, andalusite, and kyanite at various temperatures

期刊: PHYSICS AND CHEMISTRY OF MINERALS, 2020; 47 (5)

High-temperature Raman spectra of natural sillimanite, andalusite and kyanite were measured in the temperature range of 296-1273 K at ambient pressure......

Effect of pressure on the kinetics of peridotite serpentinization

期刊: PHYSICS AND CHEMISTRY OF MINERALS, 2020; 47 (7)

The kinetics of serpentinization were investigated at 400-500 degrees C and 3.0-20 kbar using natural olivine and peridotite for run durations of 9-38......

Explaining the dependence of M-site diffusion in forsterite on silica activity: a density functional theory approach

期刊: PHYSICS AND CHEMISTRY OF MINERALS, 2020; 47 (12)

Experimentally, silica activity (aSiO(2)) has been shown to have an effect on Mg diffusion in forsterite, but no fully satisfactory mechanism has yet ......

Pressure-induced structural transition and metallization in MnSe2

期刊: PHYSICS AND CHEMISTRY OF MINERALS, 2020; 47 (9)

The high-pressure behavior of manganese diselenide MnSe2 was investigated by synchrotron angle-dispersive X-ray diffraction (ADXRD) and infrared refle......

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