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Journal articles on the topic 'Mgsio3'

Author: Grafiati

Published: 4 June 2021

Last updated: 10 February 2022

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1

Ohta, K., T. Yagi, and K. Hirose. "Thermal diffusivities of MgSiO3 and Al-bearing MgSiO3 perovskites." American Mineralogist 99, no. 1 (2014): 94–97. http://dx.doi.org/10.2138/am.2014.4598.

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2

Wang, Zhi Long, Hui Chen, Ya Li Zhao, Bin Ya Yang, and Fei Zhou. "The Study on the Defect States and Persistent Luminescent Mechanism of MgSiO₃: Mn²⁺, Dy³⁺ Phosphor." Advanced Materials Research 391-392 (December 2011): 1041–46. http://dx.doi.org/10.4028/www.scientific.net/amr.391-392.1041.

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In order to clarify the role of Dy3+on persistent luminescence properties of MgSiO3:Mn2+, Dy3+and explain the persistent luminescent mechanism, the positron annihilation technique was used to study the defect states of MgSiO3:Mn2+, Dy3+. It was revealed that the structure of deeper traps were not normally respected Mg2+vacancies and oxygen vacancies but the associated defect V"Mg-2Dy•Mg which emerged by Dy3+doping in MgSiO3:Mn2+. This associated defect V"Mg-2Dy•Mg resulted in the excellent persistent luminescence in MgSiO3:Mn2+, Dy3+phosphor and a possible persistent luminescent mechanism for

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3

Xiao, Bing, and Lars Stixrude. "Critical vaporization of MgSiO3." Proceedings of the National Academy of Sciences 115, no. 21 (2018): 5371–76. http://dx.doi.org/10.1073/pnas.1719134115.

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Inhomogeneous ab initio molecular dynamics simulations show that vaporization of MgSiO3 is incongruent and that the vapor phase is dominated by SiO and O2 molecules. The vapor is strongly depleted in Mg at low temperature and approaches the composition of the liquid near the critical point. We find that the liquid–vapor critical temperature (6,600±150 K) is much lower than assumed in hydrodynamic simulations, pointing to much more extensive supercritical fluid after the Moon-forming impact than previously thought. The structure of the near-critical liquid is very different from what has been s

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4

Wang, Y., F. Guyot, A. Yeganeh-Haeri, and R. C. Liebermann. "Twinning in MgSiO3 Perovskite." Science 248, no. 4954 (1990): 468–71. http://dx.doi.org/10.1126/science.248.4954.468.

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5

MORISHIMA, Hideaki, Eiji OHTANI, and Haruo ARASHI. "Raman spectroscopic study for MgSiO3-perovskite and majorite solid solutions MgSiO3-Mg3Al2Si3Ol2." Mineralogical Journal 16, no. 8 (1993): 399–406. http://dx.doi.org/10.2465/minerj.16.399.

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6

Iitaka, T., T. Ebisuzaki, K. Hirose, and K. Kawamura. "Postperovskite phase transition of MgSiO3." Journal of Physics: Conference Series 29 (January 1, 2006): 58–60. http://dx.doi.org/10.1088/1742-6596/29/1/010.

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7

Andrault, Denis. "Cationic substitution in MgSiO3 perovskite." Physics of the Earth and Planetary Interiors 136, no. 1-2 (2003): 67–78. http://dx.doi.org/10.1016/s0031-9201(03)00023-2.

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8

Hassan, Ishmael, Yasuhiro Kudoh, Peter R. Buseck, and Eui Ito. "MgSiO3 perovskite: a HRTEM study." Mineralogical Magazine 60, no. 402 (1996): 799–804. http://dx.doi.org/10.1180/minmag.1996.060.402.10.

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AbstractSelected-area electron diffraction patterns for the [110] zone of MgSiO3 perovskite are consistent with the orthorhombic unit cell obtained by X-ray diffraction (a = 4.775, b = 4.929, c = 6.897 Å). Various areas of a crystal fragment show diffuse streaking along c*, and well-developed satellite reflections that give a 3-fold repeat along [10]*. Another fragment shows doubled cell dimensions when viewed down [30]. The variable occurrence of the satellite reflectioncs and diffuse streaking indicate subtle variations in ordering, chemistry, or both. Images obtained by high-resolution tran

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9

Wentzcovitch, R. M., T. Tsuchiya, and J. Tsuchiya. "MgSiO3 postperovskite at D'' conditions." Proceedings of the National Academy of Sciences 103, no. 3 (2006): 543–46. http://dx.doi.org/10.1073/pnas.0506879103.

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10

Liu, Lin-gun. "Bulk moduli of MgSiO3-perovskite." Physics of the Earth and Planetary Interiors 72, no. 1-2 (1992): 12–20. http://dx.doi.org/10.1016/0031-9201(92)90045-w.

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11

Choudhury, Narayani, S. L. Chaplot, K. R. Rao, and Subrata Ghose. "Lattice dynamics of MgSiO3 perovskite." Pramana 30, no. 5 (1988): 423–28. http://dx.doi.org/10.1007/bf02935597.

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12

Liu, Lin-gun, T. P. Mernagh та T. Irifune. "High pressure Raman spectra of β-Mg2SiO4, γ-Mg2SiO4, MgSiO3-ilmenite and MgSiO3-perovskite". Journal of Physics and Chemistry of Solids 55, № 2 (1994): 185–93. http://dx.doi.org/10.1016/0022-3697(94)90077-9.

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13

Thi San, Luyen, and Nguyen Van Hong. "PRESSURE-INDUCED STRUCTURAL CHANGES IN LIQUID MgSiO3." Journal of Science, Natural Science 60, no. 7 (2015): 62–67. http://dx.doi.org/10.18173/2354-1059.2015-0033.

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14

Sharp, T. G. "Natural Occurrence of MgSiO3-Ilmenite and Evidence for MgSiO3-Perovskite in a Shocked L Chondrite." Science 277, no. 5324 (1997): 352–55. http://dx.doi.org/10.1126/science.277.5324.352.

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15

Dobson, David. "Oxygen ionic conduction in MgSiO3 perovskite." Physics of the Earth and Planetary Interiors 139, no. 1-2 (2003): 55–64. http://dx.doi.org/10.1016/s0031-9201(03)00144-4.

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16

Gerald Pacalo, Rosemary E., and Donald J. Weidner. "Elasticity of majorite, MgSiO3 tetragonal garnet." Physics of the Earth and Planetary Interiors 99, no. 1-2 (1997): 145–54. http://dx.doi.org/10.1016/s0031-9201(96)03158-5.

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17

Murakami, M. "Post-Perovskite Phase Transition in MgSiO3." Science 304, no. 5672 (2004): 855–58. http://dx.doi.org/10.1126/science.1095932.

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18

LIU, ZI-JIANG, XIAO-WEI SUN, CAI-RONG ZHANG, LI-NA TIAN, and YUAN GUO. "THERMODYNAMIC PROPERTIES OF MgSiO3 POST-PEROVSKITE." Modern Physics Letters B 24, no. 03 (2010): 315–24. http://dx.doi.org/10.1142/s0217984910022391.

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The thermodynamic properties of MgSiO 3 post-perovskite are predicted at high pressures and temperatures using the Debye model for the first time. This model combines with ab initio calculations within local density approximation using pseudopotentials and a plane wave basis in the framework of density functional theory, and it takes into account the phononic effects within the quasi-harmonic approximation. It is found that the calculated equation of state of MgSiO 3 post-perovskite is in excellent agreement with the latest observed values. Based on the first-principles study and the Debye mod

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19

Kono, Yoshio, Yuki Shibazaki, Curtis Kenney-Benson, Yanbin Wang, and Guoyin Shen. "Pressure-induced structural change in MgSiO3 glass at pressures near the Earth’s core–mantle boundary." Proceedings of the National Academy of Sciences 115, no. 8 (2018): 1742–47. http://dx.doi.org/10.1073/pnas.1716748115.

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Knowledge of the structure and properties of silicate magma under extreme pressure plays an important role in understanding the nature and evolution of Earth’s deep interior. Here we report the structure of MgSiO3 glass, considered an analog of silicate melts, up to 111 GPa. The first (r1) and second (r2) neighbor distances in the pair distribution function change rapidly, with r1 increasing and r2 decreasing with pressure. At 53–62 GPa, the observed r1 and r2 distances are similar to the Si-O and Si-Si distances, respectively, of crystalline MgSiO3 akimotoite with edge-sharing SiO6 structural

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20

AKAMATSU, Tadashi, Ikumi KAMIOKA, Atsuhiro KIMURA, and Katsuyuki KAWAMURA. "Molecular dynamics simulation of MgSiO3-Al2O3 perovskite." Journal of Mineralogical and Petrological Sciences 97, no. 1 (2002): 13–19. http://dx.doi.org/10.2465/jmps.97.13.

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21

Kung, J., I. Jackson, and R. C. Liebermann. "High-temperature elasticity of polycrystalline orthoenstatite (MgSiO3)." American Mineralogist 96, no. 4 (2011): 577–85. http://dx.doi.org/10.2138/am.2011.3632.

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22

Umemoto, Koichiro, and Renata M. Wentzcovitch. "Two-stage dissociation in MgSiO3 post-perovskite." Earth and Planetary Science Letters 311, no. 3-4 (2011): 225–29. http://dx.doi.org/10.1016/j.epsl.2011.09.032.

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23

Liu, Zi-jiang, Xin-lu Cheng, Fang-pei Zhang, Xiang-dong Yang, and Yuan Guo. "Simulated Equations of State of MgSiO3 Perovskite." Chinese Journal of Chemical Physics 19, no. 1 (2006): 65–68. http://dx.doi.org/10.1360/cjcp2006.19(1).65.4.

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24

Wentzcovitch, R. M., L. Stixrude, B. B. Karki, and B. Kiefer. "Akimotoite to perovskite phase transition in MgSiO3." Geophysical Research Letters 31, no. 10 (2004): n/a. http://dx.doi.org/10.1029/2004gl019704.

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25

Yeganeh-Haeri, A., D. J. Weidner, and E. Ito. "Elasticity of MgSiO3 in the Perovskite Structure." Science 243, no. 4892 (1989): 787–89. http://dx.doi.org/10.1126/science.243.4892.787.

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26

Nagabhushana, H., B. M. Nagabhushana, B. Umesh, et al. "Thermoluminescence and defect study of MgSiO3 ceramics." Philosophical Magazine 90, no. 12 (2010): 1567–74. http://dx.doi.org/10.1080/14786430903413367.

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27

Yagi, T., Y. Uchiyama, M. Akaogi, and E. Ito. "Isothermal compression curve of MgSiO3 tetragonal garnet." Physics of the Earth and Planetary Interiors 74, no. 1-2 (1992): 1–7. http://dx.doi.org/10.1016/0031-9201(92)90063-2.

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28

Panero, Wendy R., Sofia Akber-Knutson, and Lars Stixrude. "Al2O3 incorporation in MgSiO3 perovskite and ilmenite." Earth and Planetary Science Letters 252, no. 1-2 (2006): 152–61. http://dx.doi.org/10.1016/j.epsl.2006.09.036.

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29

Weidner, Donald J., and Eiji Ito. "Elasticity of MgSiO3 in the ilmenite phase." Physics of the Earth and Planetary Interiors 40, no. 1 (1985): 65–70. http://dx.doi.org/10.1016/0031-9201(85)90006-8.

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30

Lee, S. K., J. F. Lin, Y. Q. Cai, et al. "X-ray Raman scattering study of MgSiO3 glass at high pressure: Implication for triclustered MgSiO3 melt in Earth's mantle." Proceedings of the National Academy of Sciences 105, no. 23 (2008): 7925–29. http://dx.doi.org/10.1073/pnas.0802667105.

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31

Stashans, Arvids, Krupskaya Rivera, and Henry P. Pinto. "First-principles investigation of Fe-doped MgSiO3-ilmenite." Physica B: Condensed Matter 407, no. 12 (2012): 2037–43. http://dx.doi.org/10.1016/j.physb.2012.02.001.

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32

Gwanmesia, Gabriel D., Ganglin Chen, and Robert C. Liebermann. "Sound velocities in MgSiO3-garnet to 8 GPa." Geophysical Research Letters 25, no. 24 (1998): 4553–56. http://dx.doi.org/10.1029/1998gl900189.

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33

Hirate, Hiroshi, Hiroshi Sawai, Yuki Saito, Hiroshi Yukawa, Masahiko Morinaga, and Hiromi Nakai. "Unusual Energy Balance Between Atoms in Postperovskite MgSiO3." Journal of the American Ceramic Society 93, no. 10 (2010): 3449–54. http://dx.doi.org/10.1111/j.1551-2916.2010.03822.x.

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34

Saxena, S. K., L. S. Dubrovinsky, P. Lazor, et al. "Stability of Perovskite (MgSiO3) in the Earth's Mantle." Science 274, no. 5291 (1996): 1357–59. http://dx.doi.org/10.1126/science.274.5291.1357.

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35

Tsuchiya, J., and T. Tsuchiya. "Postperovskite phase equilibria in the MgSiO3-Al2O3 system." Proceedings of the National Academy of Sciences 105, no. 49 (2008): 19160–64. http://dx.doi.org/10.1073/pnas.0805660105.

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36

Kubo, A., E. Ito, T. Katsura, and M. Akaogi. "Post-garnet Transition in the System MgSiO3-Al2O3." REVIEW OF HIGH PRESSURE SCIENCE AND TECHNOLOGY 7 (1998): 122–24. http://dx.doi.org/10.4131/jshpreview.7.122.

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37

Angel, Ross J., and Jennifer M. Jackson. "Elasticity and equation of state of orthoenstatite, MgSiO3." American Mineralogist 87, no. 4 (2002): 558–61. http://dx.doi.org/10.2138/am-2002-0419.

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38

Goel, A., D. U. Tulyaganov, S. Agathopoulos, M. J. Ribeiro, and J. M. F. Ferreira. "Synthesis and characterization of MgSiO3-containing glass-ceramics." Ceramics International 33, no. 8 (2007): 1481–87. http://dx.doi.org/10.1016/j.ceramint.2006.05.012.

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39

Huang, Chao M., Dong H. Kuo, Youn J. Kim, and Waltraud M. Kriven. "Phase Stability of Chemically Derived Enstatite (MgSiO3) Powders." Journal of the American Ceramic Society 77, no. 10 (1994): 2625–31. http://dx.doi.org/10.1111/j.1151-2916.1994.tb04653.x.

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40

Sinha, M. M., and Harleen Kaur. "Phonon Properties of Silicate Perovskites MgSiO3 and CaSiO3." Integrated Ferroelectrics 118, no. 1 (2010): 129–35. http://dx.doi.org/10.1080/10584587.2010.489492.

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41

WANG, Y., D. J. WEIDNER, R. C. LIEBERMANN, et al. "Phase Transition and Thermal Expansion of MgSiO3 Perovskite." Science 251, no. 4992 (1991): 410–13. http://dx.doi.org/10.1126/science.251.4992.410.

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42

Stackhouse, Stephen, John P. Brodholt, and G. David Price. "Electronic spin transitions in iron-bearing MgSiO3 perovskite." Earth and Planetary Science Letters 253, no. 1-2 (2007): 282–90. http://dx.doi.org/10.1016/j.epsl.2006.10.035.

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43

MURAKAMI, M., S. SINOGEIKIN, H. HELLWIG, J. BASS, and J. LI. "Sound velocity of MgSiO3 perovskite to Mbar pressure." Earth and Planetary Science Letters 256, no. 1-2 (2007): 47–54. http://dx.doi.org/10.1016/j.epsl.2007.01.011.

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44

Ammann, M. W., J. P. Brodholt, and D. P. Dobson. "DFT study of migration enthalpies in MgSiO3 perovskite." Physics and Chemistry of Minerals 36, no. 3 (2008): 151–58. http://dx.doi.org/10.1007/s00269-008-0265-z.

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45

Jung, Daniel Y., and Max W. Schmidt. "Solid solution behaviour of CaSiO3 and MgSiO3 perovskites." Physics and Chemistry of Minerals 38, no. 4 (2010): 311–19. http://dx.doi.org/10.1007/s00269-010-0405-0.

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46

Bindi, Luca, Ekaterina A. Sirotkina, Andrey V. Bobrov, and Tetsuo Irifune. "Chromium solubility in MgSiO3 ilmenite at high pressure." Physics and Chemistry of Minerals 41, no. 7 (2014): 519–26. http://dx.doi.org/10.1007/s00269-014-0662-4.

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47

Cavalli, Enrico, and Marco Bettinelli. "Optical spectroscopy of Cr3+ ions in orthoenstatite MgSiO3." Optical Materials 2, no. 3 (1993): 151–56. http://dx.doi.org/10.1016/0925-3467(93)90006-m.

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48

Zhao, J., N. L. Ross, and R. J. Angel. "Estimation of polyhedral compressibilities and structural evolution of GdFeO3-type perovskites at high pressures." Acta Crystallographica Section B Structural Science 62, no. 3 (2006): 431–39. http://dx.doi.org/10.1107/s0108768106009384.

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A new approach based on the bond-valence matching relation is developed to predict the detailed structural evolution of GdFeO3-type perovskites at high pressure from knowledge of the room-pressure structure and the high-pressure unit-cell parameters alone. The evolution of perovskite structures estimated in this way is in good agreement with the structure refinements available from high-pressure single-crystal diffraction measurements of a number of perovskites. The method is then extended to predict the structure of MgSiO3 perovskite at pressures for which no single-crystal structural data ar

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49

Tschauner, Oliver, Chi Ma, John R. Beckett, Clemens Prescher, Vitali B. Prakapenka, and George R. Rossman. "Discovery of bridgmanite, the most abundant mineral in Earth, in a shocked meteorite." Science 346, no. 6213 (2014): 1100–1102. http://dx.doi.org/10.1126/science.1259369.

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Meteorites exposed to high pressures and temperatures during impact-induced shock often contain minerals whose occurrence and stability normally confine them to the deeper portions of Earth’s mantle. One exception has been MgSiO3 in the perovskite structure, which is the most abundant solid phase in Earth. Here we report the discovery of this important phase as a mineral in the Tenham L6 chondrite and approved by the International Mineralogical Association (specimen IMA 2014-017). MgSiO3-perovskite is now called bridgmanite. The associated phase assemblage constrains peak shock conditions to ~

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50

Petitgirard, Sylvain, Wim J. Malfait, Ryosuke Sinmyo, et al. "Fate of MgSiO3 melts at core–mantle boundary conditions." Proceedings of the National Academy of Sciences 112, no. 46 (2015): 14186–90. http://dx.doi.org/10.1073/pnas.1512386112.

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One key for understanding the stratification in the deep mantle lies in the determination of the density and structure of matter at high pressures, as well as the density contrast between solid and liquid silicate phases. Indeed, the density contrast is the main control on the entrainment or settlement of matter and is of fundamental importance for understanding the past and present dynamic behavior of the deepest part of the Earth’s mantle. Here, we adapted the X-ray absorption method to the small dimensions of the diamond anvil cell, enabling density measurements of amorphous materials to un

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