Study of liquid gallium as a function of pressure and temperature using synchrotron x-ray microtomography and x-ray diffraction

Journal Article · Mon Jul 28 00:00:00 EDT 2014 · Applied Physics Letters

DOI:https://doi.org/10.1063/1.4891572· OSTI ID:22311362

Li, Renfeng ^[1]; Li, Liangliang; Chen, Jiaxuan ^[1]; Yu, Tony; Wang, Yanbin; Rivers, Mark L. ^[2]; Wang, Luhong ^[1]; Cai, Zhonghou ^[3]; Chen, Jiuhua ^[4]; Liu, Haozhe ^[1]

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1. Harbin Institute of Technology, Harbin 150080 (China)
2. GeoSoilEnviroCARS, Center for Advanced Radiation Sources, The University of Chicago, Chicago, Illinois 60637 (United States)
3. Advanced Photon Source, Argonne National Laboratory, Argonne, Illinois 60439 (United States)
4. Center for High Pressure Science and Technology Advanced Research, Changchun 130015 (China)

The volume change of liquid and solid gallium has been studied as a function of pressure and temperature up to 3.02 GPa at 300 K and up to 3.63 GPa at 330 K using synchrotron x-ray microtomography combined with energy dispersive x-ray diffraction techniques. Two sets of directly measured P-V data at 300 K and 330 K were obtained from 3D tomography reconstruction data, and the corresponding isothermal bulk moduli were determined as 23.6 (0.5) GPa and 24.6 (0.4) GPa, respectively. The existence of a liquid-liquid phase transition region is proposed based on the abnormal compressibility of Ga melt at about 2.44 GPa and 330 K conditions.

• OSTI ID: 22311362
• Journal Information: Applied Physics Letters, Vol. 105, Issue 4; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA); ISSN 0003-6951
• Country of Publication: United States
• Language: English

Related Subjects

75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
COMPRESSIBILITY
GALLIUM
LIQUID METALS
PHASE TRANSFORMATIONS
PRESSURE DEPENDENCE
PRESSURE RANGE GIGA PA
SOLIDS
SYNCHROTRON RADIATION
TEMPERATURE DEPENDENCE
TEMPERATURE RANGE 0273-0400 K
TOMOGRAPHY
X RADIATION
X-RAY DIFFRACTION