Thermophysical properties of molten Ga2O3 by using the electrostatic levitation furnace in the International Space Station

被引：9
|
作者：
Yoshida, Kenji [1 ]
Kumagai, Hirohiko [1 ]
Yamane, Takayoshi [1 ]
Hayashi, Atsushi [2 ]
Koyama, Chihiro [3 ]
Oda, Hirohisa [3 ]
Ito, Tsuyoshi [3 ]
Ishikawa, Takehiko [3 ]
机构：
[1] AGC Inc, AGC Yokohama Tech Ctr, Tsurumi Ku, 1-1 Suehiro Cho, Yokohama, Kanagawa 2300045, Japan
[2] AGC Inc, Business Dev Div, Chiyoda Ku, 1-5-1 Marunouchi, Tokyo 1008405, Japan
[3] JAXA, 2-1-1 Sengen, Tsukuba, Ibaraki 3058505, Japan
来源：
APPLIED PHYSICS EXPRESS | 2022年 / 15卷 / 08期
关键词：
BETA-GA2O3; SINGLE-CRYSTALS; GROWTH; DENSITY;
D O I：
10.35848/1882-0786/ac7fdd
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We measured the thermophysical properties of molten gallium oxide (Ga2O3) in a contamination-free and microgravity environment by using the electrostatic levitation furnace in the International Space Station. The density of molten Ga2O3 was obtained over a wide temperature range of 2001-2174 K including the undercooled state and found to be expressed as 5004.8-0.4478(T - T-m) (kg m(-3)), where T-m, the melting point, is 2066 K. Measurements of its viscosity and surface tension were also performed by using the drop oscillation method and these values were found to be 337.0 (10(-3) N m(-1)) and 13.6 (10(-3) Pa.s) at 2228 K, respectively. (C) 2022 The Japan Society of Applied Physics
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页数：4
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