A simple variant selection in stress-driven martensitic transformation
- Center for High Pressure Science and Technology Advanced Research, Pudong, 201203 Shanghai, People’s Republic of China,, The Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, CA 94720,, Department of Earth and Planetary Science, University of California, Berkeley, CA 94720,
- Center for High Pressure Science and Technology Advanced Research, Pudong, 201203 Shanghai, People’s Republic of China,, The Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, CA 94720,
- SPring-8, Japan Synchrotron Radiation Research Institute, Sayo-gun, 679-5198 Hyogo, Japan,
- Frank Laboratory of Neutron Physics, Joint Institute for Nuclear Research, 141980 Dubna, Russia
- Department of Earth and Planetary Science, University of California, Berkeley, CA 94720,
- Center for High Pressure Science and Technology Advanced Research, Pudong, 201203 Shanghai, People’s Republic of China,
Significance Variant selection plays an important role during martensitic transformations in both metals and oxides. Due to its great effects on the crystallographic texture, it has received a great deal of attention in fields of physics, material science, and even Earth science. Previously, most studies focused on transitions in metals induced by temperature. Here, we investigate more complex oxides structures during the pressure/stress-driven martensitic transformation and find a very simple variant selection in cubic/orthorhombic Mn 2 O 3 . The high-pressure orthorhombic phase inherits texture from the low-pressure cubic phase. Only one of the six cubic {110} planes becomes the orthorhombic (100) plane: the one perpendicular to the compression direction. This will become a reference to demonstrate the variant selection behavior under high pressure.
- Sponsoring Organization:
- USDOE
- Grant/Contract Number:
- FG02-05ER15637
- OSTI ID:
- 1532817
- Alternate ID(s):
- OSTI ID: 1561934
- Journal Information:
- Proceedings of the National Academy of Sciences of the United States of America, Journal Name: Proceedings of the National Academy of Sciences of the United States of America Journal Issue: 30 Vol. 116; ISSN 0027-8424
- Publisher:
- Proceedings of the National Academy of SciencesCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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