Anisotropic thermal conductivity in single crystal beta-gallium oxide
文献类型：期刊论文
| 作者 | Guo, Zhi1,2; Verma, Amit3; Wu, Xufei1; Sun, Fangyuan4; Hickman, Austin3; Masui, Takekazu5; Kuramata, Akito5; Higashiwaki, Masataka6; Jena, Debdeep3; Luo, Tengfei1 |
| 刊名 | APPLIED PHYSICS LETTERS
 |
| 出版日期 | 2015-03-16 |
| 卷号 | 106期号:11 |
| 英文摘要 | The thermal conductivities of beta-Ga2O3 single crystals along four different crystal directions were measured in the temperature range of 80-495K using the time domain thermoreflectance method. A large anisotropy was found. At room temperature, the [010] direction has the highest thermal conductivity of 27.0 +/- 2.0 W/mK, while that along the [100] direction has the lowest value of 10.9 +/- 1.0 W/mK. At high temperatures, the thermal conductivity follows a similar to 1/T relationship characteristic of Umklapp phonon scattering, indicating phonon-dominated heat transport in the beta-Ga2O3 crystal. The measured experimental thermal conductivity is supported by first-principles calculations, which suggest that the anisotropy in thermal conductivity is due to the differences of the speed of sound along different crystal directions. (C) 2015 AIP Publishing LLC. |
| WOS标题词 | Science & Technology ; Physical Sciences |
| 类目[WOS] | Physics, Applied |
| 研究领域[WOS] | Physics |
| 关键词[WOS] | GAN ; BETA-GA2O3 |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000351595500024 |
| 公开日期 | 2015-12-22 |
| 源URL | [http://ir.etp.ac.cn/handle/311046/98935]  |
| 专题 | 工程热物理研究所_中国科学院工程热物理所（论文库）_期刊论文（SCI） |
| 作者单位 | 1.Univ Notre Dame, Dept Aerosp & Mech Engn, Notre Dame, IN 46556 USA 2.Univ Notre Dame, Radiat Lab, Notre Dame, IN 46556 USA 3.Univ Notre Dame, Dept Elect Engn, Notre Dame, IN 46556 USA 4.Chinese Acad Sci, Inst Engn Thermophys, Beijing 100190, Peoples R China 5.Tamura Co Ltd, Sayama, Saitama 3501328, Japan 6.Natl Inst Informat & Commun Technol, Koganei, Tokyo 1848795, Japan |
| 推荐引用方式 GB/T 7714 | Guo, Zhi,Verma, Amit,Wu, Xufei,et al. Anisotropic thermal conductivity in single crystal beta-gallium oxide[J]. APPLIED PHYSICS LETTERS,2015,106(11). |
| APA | Guo, Zhi.,Verma, Amit.,Wu, Xufei.,Sun, Fangyuan.,Hickman, Austin.,...&Luo, Tengfei.(2015).Anisotropic thermal conductivity in single crystal beta-gallium oxide.APPLIED PHYSICS LETTERS,106(11). |
| MLA | Guo, Zhi,et al."Anisotropic thermal conductivity in single crystal beta-gallium oxide".APPLIED PHYSICS LETTERS 106.11(2015). |
入库方式： OAI收割
来源：工程热物理研究所
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