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Vitali Prakapenka
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Journal Article

Thorite: An Oddity in Phase Stability Amongst the Zircon-Structured Orthosilicates at High Pressures

Andrew C. Strzelecki, Jason L. Baker, Stella Chariton, Xiaodong Zhao, Vitali Prakapenka, David Bollinger, Sohan Ahmed, Jeffrey Fortner, Stephanie Szenknect, Adel Mesbah, John S. McCloy, Choong-Shik Yoo, Rodney C. Ewing, Nicolas Dacheux, Hongwu Xu, Xiaofeng Guo
Published: 17 January 2025
American Mineralogist (2025)
DOI: https://doi.org/10.2138/am-2024-9443
View PDF for article title, Thorite: An Oddity in Phase Stability Amongst the Zircon-Structured Orthosilicates at High Pressures
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Structure and equation of state of Ti-bearing davemaoite: New insights into the chemical heterogeneity in the lower mantle

Keng-Hsien Chao, Meryem Berrada, Siheng Wang, Juliana Peckenpaugh, Dongzhou Zhang, Stella Chariton, Vitali Prakapenka, Bin Chen
Published: 01 November 2024
American Mineralogist (2024) 109 (11): 1861–1870.
DOI: https://doi.org/10.2138/am-2023-9104
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View PDF for article title, Structure and equation of state of Ti-bearing davemaoite: New insights into the chemical heterogeneity in the lower mantle
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Journal Article

HP-PdF 2 -type FeCl 2 as a potential Cl-carrier in the deep Earth

Hongsheng Yuan, Lianjie Man, Duck Young Kim, Dmitry Popov, Yue Meng, Eran Greenberg, Vitali Prakapenka, Li Zhang
Published: 01 February 2022
American Mineralogist (2022) 107 (2): 313–317.
DOI: https://doi.org/10.2138/am-2022-8283
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View PDF for article title, HP-PdF 2 -type FeCl 2 as a potential Cl-carrier in the deep Earth
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Journal Article

Phase transformation of hydrous ringwoodite to the lower-mantle phases and the formation of dense hydrous silica

Huawei Chen, Kurt Leinenweber, Vitali Prakapenka, Martin Kunz, Hans A. Bechtel, Zhenxian Liu, Sang-Heon Shim
Published: 01 September 2020
American Mineralogist (2020) 105 (9): 1342–1348.
DOI: https://doi.org/10.2138/am-2020-7261
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View PDF for article title, Phase transformation of hydrous ringwoodite to the lower-mantle phases and the formation of dense hydrous silica
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Journal Article

The single-crystal elastic properties of the jadeite-diopside solid solution and their implications for the composition-dependent seismic properties of eclogite

Ming Hao, Caroline E. Pierotti, Sergey Tkachev, Vitali Prakapenka, Jin S. Zhang
Published: 01 July 2019
American Mineralogist (2019) 104 (7): 1016–1021.
DOI: https://doi.org/10.2138/am-2019-6990
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View PDF for article title, The single-crystal elastic properties of the jadeite-diopside solid solution and their implications for the composition-dependent seismic properties of eclogite
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Journal Article

A high-pressure phase transition in chalcostibite, CuSbS 2

Paola Comodi, Francesco Guidoni, Sabrina Nazzareni, Tonci Balić-Žunić, Azzurra Zucchini, Emil Makovicky, Vitali Prakapenka
Published: 01 May 2018
European Journal of Mineralogy (2018) 30 (3): 491–505.
DOI: https://doi.org/10.1127/ejm/2018/0030-2728
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View PDF for article title, A high-pressure phase transition in chalcostibite, CuSbS 2
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Journal Article

Crystal structure of CaSiO 3 perovskite at 28–62 GPa and 300 K under quasi-hydrostatic stress conditions

Huawei Chen, Sang-Heon Shim, Kurt Leinenweber, Vitali Prakapenka, Yue Meng, Clemens Prescher
Published: 01 March 2018
American Mineralogist (2018) 103 (3): 462–468.
DOI: https://doi.org/10.2138/am-2018-6087
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View PDF for article title, Crystal structure of CaSiO 3 perovskite at 28–62 GPa and 300 K under quasi-hydrostatic stress conditions
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Journal Article

The W-WO 2 oxygen fugacity buffer (WWO) at high pressure and temperature: Implications for f O 2 buffering and metal-silicate partitioning

Gregory A. Shofner, Andrew J. Campbell, Lisa R. Danielson, Kevin Righter, Rebecca A. Fischer, Yanbin Wang, Vitali Prakapenka
Published: 01 January 2016
American Mineralogist (2016) 101 (1): 211–221.
DOI: https://doi.org/10.2138/am-2016-5328
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View PDF for article title, The W-WO 2 oxygen fugacity buffer (WWO) at high pressure and temperature: Implications for f O 2 buffering and metal-silicate partitioning
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Journal Article

Pressure-induced phase transitions in coesite

Ana Černok, Tiziana Boffa Ballaran, Razvan Caracas, Nobuyoshi Miyajima, Elena Bykova, Vitali Prakapenka, Hanns-Peter Liermann, Leonid Dubrovinsky
Published: 01 April 2014
American Mineralogist (2014) 99 (4): 755–763.
DOI: https://doi.org/10.2138/am.2014.4585
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Journal Article

Pressure-induced structural phase transition of the iron end-member of ringwoodite (γ-Fe 2 SiO 4 ) investigated by X-ray diffraction and Mössbauer spectroscopy

Eran Greenberg, Leonid S. Dubrovinsky, Catherine McCammon, Jerome Rouquette, Innokenty Kantor, Vitali Prakapenka, Gregory Kh. Rozenberg, Moshe P. Pasternak
Published: 01 May 2011
American Mineralogist (2011) 96 (5-6): 833–840.
DOI: https://doi.org/10.2138/am.2011.3647
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View PDF for article title, Pressure-induced structural phase transition of the iron end-member of ringwoodite (γ-Fe 2 SiO 4 ) investigated by X-ray diffraction and Mössbauer spectroscopy
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Journal Article

Compression, thermal expansion, structure, and instability of CaIrO 3 , the structure model of MgSiO 3 post-perovskite

C. David Martin, Karena W. Chapman, Peter J. Chupas, Vitali Prakapenka, Peter L. Lee, Sarvjit D. Shastri, John B. Parise
Published: 01 July 2007
American Mineralogist (2007) 92 (7): 1048–1053.
DOI: https://doi.org/10.2138/am.2007.2473
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View PDF for article title, Compression, thermal expansion, structure, and instability of CaIrO 3 , the structure model of MgSiO 3 post-perovskite
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Journal Article

Rietveld structure refinement of perovskite and post-perovskite phases of NaMgF 3 (Neighborite) at high pressures

C. David Martin, Wilson A. Crichton, Haozhe Liu, Vitali Prakapenka, Jiuhua Chen, John B. Parise
Published: 01 October 2006
American Mineralogist (2006) 91 (10): 1703–1706.
DOI: https://doi.org/10.2138/am.2006.2308
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View PDF for article title, Rietveld structure refinement of perovskite and post-perovskite phases of NaMgF 3 (Neighborite) at high pressures
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Journal Article

The high-pressure phase transformation and breakdown of MgFe 2 O 4

Sofia Winell, Hans Annersten, Vitali Prakapenka
Published: 01 April 2006
American Mineralogist (2006) 91 (4): 560–567.
DOI: https://doi.org/10.2138/am.2006.1946
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