Observation of cation reordering during the Olivine-spinel transition in Fayalite by in situ synchrotron X-ray diffraction at high pressure and temperature

Jiuhua Chen; Donald J. Weidner; John B. Parise; Michael T. Vaughan; Paul Raterron

doi:10.1103/PhysRevLett.86.4072

Observation of cation reordering during the Olivine-spinel transition in Fayalite by in situ synchrotron X-ray diffraction at high pressure and temperature

Jiuhua Chen
, Donald J. Weidner
, John B. Parise
, Michael T. Vaughan
, Paul Raterron

Geosciences

Stony Brook University

Stony Brook University

Research output: Contribution to journal › Article › peer-review

41 Scopus citations

Abstract

The mechanism of the olivine(Ç)-spinel( ) transformation was followed using a newly developed high pressure time-resolved x-ray diffraction technique. It was found that such transformation driven by temperature at high pressure is controlled by a pseudomartensitic transformation mechanism: a diffusionless oxygen sublattice transition coupled with short-range diffusional cation recording.

Original language	English
Pages (from-to)	4072-4075
Number of pages	4
Journal	Physical Review Letters
Volume	86
Issue number	18
DOIs	https://doi.org/10.1103/PhysRevLett.86.4072
State	Published - Apr 30 2001

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10.1103/PhysRevLett.86.4072

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title = "Observation of cation reordering during the Olivine-spinel transition in Fayalite by in situ synchrotron X-ray diffraction at high pressure and temperature",

abstract = "The mechanism of the olivine({\c C})-spinel( ) transformation was followed using a newly developed high pressure time-resolved x-ray diffraction technique. It was found that such transformation driven by temperature at high pressure is controlled by a pseudomartensitic transformation mechanism: a diffusionless oxygen sublattice transition coupled with short-range diffusional cation recording.",

author = "Jiuhua Chen and Weidner, \{Donald J.\} and Parise, \{John B.\} and Vaughan, \{Michael T.\} and Paul Raterron",

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AU - Chen, Jiuhua

AU - Weidner, Donald J.

AU - Parise, John B.

AU - Vaughan, Michael T.

AU - Raterron, Paul

PY - 2001/4/30

Y1 - 2001/4/30

N2 - The mechanism of the olivine(Ç)-spinel( ) transformation was followed using a newly developed high pressure time-resolved x-ray diffraction technique. It was found that such transformation driven by temperature at high pressure is controlled by a pseudomartensitic transformation mechanism: a diffusionless oxygen sublattice transition coupled with short-range diffusional cation recording.

AB - The mechanism of the olivine(Ç)-spinel( ) transformation was followed using a newly developed high pressure time-resolved x-ray diffraction technique. It was found that such transformation driven by temperature at high pressure is controlled by a pseudomartensitic transformation mechanism: a diffusionless oxygen sublattice transition coupled with short-range diffusional cation recording.

UR - https://www.scopus.com/pages/publications/0035971612

U2 - 10.1103/PhysRevLett.86.4072

DO - 10.1103/PhysRevLett.86.4072

M3 - Article

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VL - 86

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EP - 4075

JO - Physical Review Letters

JF - Physical Review Letters

IS - 18

ER -

Observation of cation reordering during the Olivine-spinel transition in Fayalite by in situ synchrotron X-ray diffraction at high pressure and temperature

Abstract

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