Decomposition of perovskiteFeTiO3into wüstiteFe1−xTi0.5xOand orthorhombicFeTi3O7at high pressure

Decomposition of perovskiteFeTiO3into wüstiteFe1−xTi0.5xOand orthorhombicFeTi3O7at high pressure
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DOI:
10.1103/physrevb.82.092103
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发表时间:
2010-09
期刊:
影响因子:
3.7
通讯作者:
D. Nishio–Hamane;T. Yagi;M. Ohshiro;K. Niwa;T. Okada;Y. Seto
D. Nishio–Hamane;T. Yagi;M. Ohshiro;K. Niwa;T. Okada;Y. Seto
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
D. Nishio–Hamane;T. Yagi;M. Ohshiro;K. Niwa;T. Okada;Y. Seto

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The phase relation ofwas investigated up to a pressure of about 67 GPa by synchrotron x-ray diffraction and analytical transmission electron microscopy. We found thatperovskite decomposes intowüstite and orthorhombicphases (ideally) at conditions above 42 GPa and 2000 K. Our study also demonstrates that the phase assemblage ofandis the densest of the various systems reported so far for.