Phonon anharmonicity in bulk ZrTe5
文献类型：期刊论文
| 作者 | Xu, Lihuan2; Wang, Wei1,3; Xie, Qiyun2; Hu, Chengxiang2; Chen, Limin2; Zheng, Jiajin2; Yin, Handi4; Cheng, Guofeng4; Ai, Xiaoqian5 |
| 刊名 | JOURNAL OF RAMAN SPECTROSCOPY
 |
| 出版日期 | 2021-10-05 |
| 页码 | 9 |
| 关键词 | anharmonicity phonons Raman spectroscopy thermoelectric material ZrTe5 |
| ISSN号 | 0377-0486 |
| DOI | 10.1002/jrs.6261 |
| 通讯作者 | Xie, Qiyun(qyxie@njupt.edu.cn) ; Cheng, Guofeng(gfcheng@mail.sic.ac.cn) |
| 英文摘要 | The study of phonon scattering processes is urgent for advancing the thermoelectric material with low thermal conductivity for commercial application. In this work, Raman scattering spectroscopy is utilized to quantify the temperature dependence of vibrational modes in ZrTe5 crystals, which enables the investigation on anharmonic contributions. We mainly focus on the temperature range from 80 up to 400 K due to noticeable surface oxidation at higher temperature. The phonon behaviors can be fully described by the model considering two mechanisms of the lattice thermal expansion effects and intrinsic anharmonicity. The four-phonon processes are non-negligible and even stronger than the three-phonon processes at high temperature. The phonon lifetime is greatly reduced by the enhancement of phonon scattering, contributing to the low thermal conductivity in ZrTe5 single crystals. |
| WOS关键词 | ULTRALOW THERMAL-CONDUCTIVITY ; LATTICE-DYNAMICS ; RAMAN-SPECTRA ; FIGURE ; MERIT |
| 资助项目 | Postgraduate Research & Practice Innovation Program of Jiangsu Province[SJCX20_0246] ; Postgraduate Research & Practice Innovation Program of Jiangsu Province[SJCX19_0278] ; Scientific Research Foundation of Nanjing University of Posts & Telecommunications[NY218021] ; Scientific Research Foundation of Nanjing University of Posts & Telecommunications[NY220186] ; National Natural Science Foundation of China[11404169] ; National Natural Science Foundation of China[51602159] ; National Natural Science Foundation of China[11704196] |
| WOS研究方向 | Spectroscopy |
| 语种 | 英语 |
| WOS记录号 | WOS:000703380600001 |
| 出版者 | WILEY |
| 源URL | [http://119.78.100.183/handle/2S10ELR8/297455]  |
| 专题 | 中国科学院上海药物研究所 |
| 通讯作者 | Xie, Qiyun; Cheng, Guofeng |
| 作者单位 | 1.Nanjing Tech Univ, Jiangsu Natl Synerget Innovat Ctr Adv Mat, Key Lab Flexible Elect, Nanjing, Peoples R China 2.Nanjing Univ Posts & Telecommun, Coll Elect & Opt Engn, Nanjing 210023, Peoples R China 3.Nanjing Tech Univ, Jiangsu Natl Synerget Innovat Ctr Adv Mat, Inst Adv Mat, Nanjing, Peoples R China 4.Chinese Acad Sci, Anal & Testing Ctr Inorgan Mat, Shanghai Inst Ceram, Shanghai 200050, Peoples R China 5.Jiangsu Second Normal Univ, Coll Phys & Elect Engn, Nanjing, Peoples R China |
| 推荐引用方式 GB/T 7714 | Xu, Lihuan,Wang, Wei,Xie, Qiyun,et al. Phonon anharmonicity in bulk ZrTe5[J]. JOURNAL OF RAMAN SPECTROSCOPY,2021:9. |
| APA | Xu, Lihuan.,Wang, Wei.,Xie, Qiyun.,Hu, Chengxiang.,Chen, Limin.,...&Ai, Xiaoqian.(2021).Phonon anharmonicity in bulk ZrTe5.JOURNAL OF RAMAN SPECTROSCOPY,9. |
| MLA | Xu, Lihuan,et al."Phonon anharmonicity in bulk ZrTe5".JOURNAL OF RAMAN SPECTROSCOPY (2021):9. |
入库方式： OAI收割
来源：上海药物研究所
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