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Thermoelastic properties of chromium oxide Cr2O3 (eskolaite) at high pressures and temperatures. / Dymshits, Anna M.; Dorogokupets, Peter I.; Sharygin, Igor S. и др.

в: Physics and Chemistry of Minerals, Том 43, № 6, 01.06.2016, стр. 447-458.

Результаты исследований: Научные публикации в периодических изданияхстатьяРецензирование

Harvard

Dymshits, AM, Dorogokupets, PI, Sharygin, IS, Litasov, KD, Shatskiy, A, Rashchenko, SV, Ohtani, E, Suzuki, A & Higo, Y 2016, 'Thermoelastic properties of chromium oxide Cr2O3 (eskolaite) at high pressures and temperatures', Physics and Chemistry of Minerals, Том. 43, № 6, стр. 447-458. https://doi.org/10.1007/s00269-016-0808-7

APA

Dymshits, A. M., Dorogokupets, P. I., Sharygin, I. S., Litasov, K. D., Shatskiy, A., Rashchenko, S. V., Ohtani, E., Suzuki, A., & Higo, Y. (2016). Thermoelastic properties of chromium oxide Cr2O3 (eskolaite) at high pressures and temperatures. Physics and Chemistry of Minerals, 43(6), 447-458. https://doi.org/10.1007/s00269-016-0808-7

Vancouver

Dymshits AM, Dorogokupets PI, Sharygin IS, Litasov KD, Shatskiy A, Rashchenko SV и др. Thermoelastic properties of chromium oxide Cr2O3 (eskolaite) at high pressures and temperatures. Physics and Chemistry of Minerals. 2016 июнь 1;43(6):447-458. doi: 10.1007/s00269-016-0808-7

Author

Dymshits, Anna M. ; Dorogokupets, Peter I. ; Sharygin, Igor S. и др. / Thermoelastic properties of chromium oxide Cr2O3 (eskolaite) at high pressures and temperatures. в: Physics and Chemistry of Minerals. 2016 ; Том 43, № 6. стр. 447-458.

BibTeX

@article{4a7b9e25972345f79cf153cf9c4b5876,
title = "Thermoelastic properties of chromium oxide Cr2O3 (eskolaite) at high pressures and temperatures",
abstract = "A new synchrotron X-ray diffraction study of chromium oxide Cr2O3 (eskolaite) with the corundum-type structure has been carried out in a Kawai-type multi-anvil apparatus to pressure of 15 GPa and temperatures of 1873 K. Fitting the Birch–Murnaghan equation of state (EoS) with the present data up to 15 GPa yielded: bulk modulus (K0,T0), 206 ± 4 GPa; its pressure derivative K′0,T, 4.4 ± 0.8; (∂K0,T/∂T) = ‒0.037 ± 0.006 GPa K‒1; a = 2.98 ± 0.14 × 10−5 K−1 and b = 0.47 ± 0.28 × 10‒8 K‒2, where α0,T = a + bT is the volumetric thermal expansion coefficient. The thermal expansion of Cr2O3 was additionally measured at the high-temperature powder diffraction experiment at ambient pressure and α0,T0 was determined to be 2.95 × 10−5 K−1. The results indicate that coefficient of the thermal expansion calculated from the EoS appeared to be high-precision because it is consistent with the data obtained at 1 atm. However, our results contradict α0 value suggested by Rigby et al. (Brit Ceram Trans J 45:137–148, 1946) widely used in many physical and geological databases. Fitting the Mie–Gr{\"u}neisen–Debye EoS with the present ambient and high-pressure data yielded the following parameters: K0,T0 = 205 ± 3 GPa, K′0,T = 4.0, Gr{\"u}neisen parameter (γ0) = 1.42 ± 0.80, q = 1.82 ± 0.56. The thermoelastic parameters indicate that Cr2O3 undergoes near isotropic compression at room and high temperatures up to 15 GPa. Cr2O3 is shown to be stable in this pressure range and adopts the corundum-type structure. Using obtained thermoelastic parameters, we calculated the reaction boundary of knorringite formation from enstatite and eskolaite. The Clapeyron slope (with d P/ d T= - 0.014 GPa/K) was found to be consistent with experimental data.",
keywords = "Chromium oxide, Eskolaite, Experiment, High pressure, Knorringite formation, Thermal equation of state, Thermal expansion",
author = "Dymshits, {Anna M.} and Dorogokupets, {Peter I.} and Sharygin, {Igor S.} and Litasov, {Konstantin D.} and Anton Shatskiy and Rashchenko, {Sergey V.} and Eiji Ohtani and Akio Suzuki and Yuji Higo",
year = "2016",
month = jun,
day = "1",
doi = "10.1007/s00269-016-0808-7",
language = "English",
volume = "43",
pages = "447--458",
journal = "Physics and Chemistry of Minerals",
issn = "0342-1791",
publisher = "Springer-Verlag GmbH and Co. KG",
number = "6",

}

RIS

TY - JOUR

T1 - Thermoelastic properties of chromium oxide Cr2O3 (eskolaite) at high pressures and temperatures

AU - Dymshits, Anna M.

AU - Dorogokupets, Peter I.

AU - Sharygin, Igor S.

AU - Litasov, Konstantin D.

AU - Shatskiy, Anton

AU - Rashchenko, Sergey V.

AU - Ohtani, Eiji

AU - Suzuki, Akio

AU - Higo, Yuji

PY - 2016/6/1

Y1 - 2016/6/1

N2 - A new synchrotron X-ray diffraction study of chromium oxide Cr2O3 (eskolaite) with the corundum-type structure has been carried out in a Kawai-type multi-anvil apparatus to pressure of 15 GPa and temperatures of 1873 K. Fitting the Birch–Murnaghan equation of state (EoS) with the present data up to 15 GPa yielded: bulk modulus (K0,T0), 206 ± 4 GPa; its pressure derivative K′0,T, 4.4 ± 0.8; (∂K0,T/∂T) = ‒0.037 ± 0.006 GPa K‒1; a = 2.98 ± 0.14 × 10−5 K−1 and b = 0.47 ± 0.28 × 10‒8 K‒2, where α0,T = a + bT is the volumetric thermal expansion coefficient. The thermal expansion of Cr2O3 was additionally measured at the high-temperature powder diffraction experiment at ambient pressure and α0,T0 was determined to be 2.95 × 10−5 K−1. The results indicate that coefficient of the thermal expansion calculated from the EoS appeared to be high-precision because it is consistent with the data obtained at 1 atm. However, our results contradict α0 value suggested by Rigby et al. (Brit Ceram Trans J 45:137–148, 1946) widely used in many physical and geological databases. Fitting the Mie–Grüneisen–Debye EoS with the present ambient and high-pressure data yielded the following parameters: K0,T0 = 205 ± 3 GPa, K′0,T = 4.0, Grüneisen parameter (γ0) = 1.42 ± 0.80, q = 1.82 ± 0.56. The thermoelastic parameters indicate that Cr2O3 undergoes near isotropic compression at room and high temperatures up to 15 GPa. Cr2O3 is shown to be stable in this pressure range and adopts the corundum-type structure. Using obtained thermoelastic parameters, we calculated the reaction boundary of knorringite formation from enstatite and eskolaite. The Clapeyron slope (with d P/ d T= - 0.014 GPa/K) was found to be consistent with experimental data.

AB - A new synchrotron X-ray diffraction study of chromium oxide Cr2O3 (eskolaite) with the corundum-type structure has been carried out in a Kawai-type multi-anvil apparatus to pressure of 15 GPa and temperatures of 1873 K. Fitting the Birch–Murnaghan equation of state (EoS) with the present data up to 15 GPa yielded: bulk modulus (K0,T0), 206 ± 4 GPa; its pressure derivative K′0,T, 4.4 ± 0.8; (∂K0,T/∂T) = ‒0.037 ± 0.006 GPa K‒1; a = 2.98 ± 0.14 × 10−5 K−1 and b = 0.47 ± 0.28 × 10‒8 K‒2, where α0,T = a + bT is the volumetric thermal expansion coefficient. The thermal expansion of Cr2O3 was additionally measured at the high-temperature powder diffraction experiment at ambient pressure and α0,T0 was determined to be 2.95 × 10−5 K−1. The results indicate that coefficient of the thermal expansion calculated from the EoS appeared to be high-precision because it is consistent with the data obtained at 1 atm. However, our results contradict α0 value suggested by Rigby et al. (Brit Ceram Trans J 45:137–148, 1946) widely used in many physical and geological databases. Fitting the Mie–Grüneisen–Debye EoS with the present ambient and high-pressure data yielded the following parameters: K0,T0 = 205 ± 3 GPa, K′0,T = 4.0, Grüneisen parameter (γ0) = 1.42 ± 0.80, q = 1.82 ± 0.56. The thermoelastic parameters indicate that Cr2O3 undergoes near isotropic compression at room and high temperatures up to 15 GPa. Cr2O3 is shown to be stable in this pressure range and adopts the corundum-type structure. Using obtained thermoelastic parameters, we calculated the reaction boundary of knorringite formation from enstatite and eskolaite. The Clapeyron slope (with d P/ d T= - 0.014 GPa/K) was found to be consistent with experimental data.

KW - Chromium oxide

KW - Eskolaite

KW - Experiment

KW - High pressure

KW - Knorringite formation

KW - Thermal equation of state

KW - Thermal expansion

UR - http://www.scopus.com/inward/record.url?scp=84962327494&partnerID=8YFLogxK

U2 - 10.1007/s00269-016-0808-7

DO - 10.1007/s00269-016-0808-7

M3 - Article

AN - SCOPUS:84962327494

VL - 43

SP - 447

EP - 458

JO - Physics and Chemistry of Minerals

JF - Physics and Chemistry of Minerals

SN - 0342-1791

IS - 6

ER -

ID: 25789910