In-situ combined X-ray diffraction and electrical resistance measurements at high pressures and temperatures in diamond anvil cells
作者： A. Yu. Kuznetsov , V. Dmitriev , Y. Volkova , A. Kurnosov , N. Dubrovinskaia
DOI: 10.1080/08957950701254197
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摘要: A method of simultaneous X-ray diffraction and electrical resistance measurements materials in a diamond anvil cell has been developed. The experimental arrangement for the uses gasket as part electrode scheme. Application new methodology is demonstrated on examples study high-pressure high-temperature behavior Pr Fe–Ni alloys. Simultaneously obtained data provide different, from earlier studies, interpretations topology dhcp–fcc phase transition diagram Pr. Namely, shape hysteretic region mostly defined by kinetics dhcp growth rather than thermodynamic driving force at fcc to transformation. results combined Fe0.8Ni0.2 alloy up 18 GPa 425 K are reported along with complementary Fe0.9Ni0.1 alloy.
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