| Phonon spectrum boron nitrideof single-wallednanotubes |
| |
| 引用本文： | 肖杨,颜晓红,曹觉先,毛宇亮,向君. Phonon spectrum boron nitrideof single-wallednanotubes[J]. 中国物理, 2004, 13(9): 1526-1530. DOI: 10.1088/1009-1963/13/9/028 |
| |
| 作者姓名： | 肖杨 颜晓红 曹觉先 毛宇亮 向君 |
| |
| 作者单位： | (1)Department of Physics & Institute of Modern Physics, Xiangtan University, Xiangtan 411105, China; (2)Department of Physics & Institute of Modern Physics, Xiangtan University, Xiangtan 411105, China; Interdisciplinary Center of Theoretical Studies and Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing 100080, China |
| |
| 基金项目： | Project supported by Science and Technology Foundation for Ministry of Education (Grant No 204099) and by the Science and Technology Foundation for Education Bureau of Hunan Province (Grant No 03A046), and partly by the Natural Science Foundation of Hunan Province (Grant Nos 03JJY3010 and 03JZY3019). |
| |
| 摘 要： | Based on a force constant model, we investigated the phonon spectrum and then specific heat of single-walled boron nitride nanotubes. The results show that the frequencies of Raman and infrared active modes decrease with increasing diameter in the low frequency, which is consistent with the results calculated by density functional theory. The fitting formulae for diameter and chirality dependence of specific heat at 300K are given.
|
| 关 键 词： | 碳纳米管 光子光谱 氮化硼材料 拉曼光谱 密度函数理论 |
| 收稿时间： | 2003-12-02 |
Phonon spectrum of single-walled boron nitride nanotubes |
| |
| Xiao Yang,Yan Xiao-Hong,Cao Jue-Xian,Mao Yu-Liang and Xiang Jun. Phonon spectrum of single-walled boron nitride nanotubes[J]. Chinese Physics, 2004, 13(9): 1526-1530. DOI: 10.1088/1009-1963/13/9/028 |
| |
| Authors: | Xiao Yang Yan Xiao-Hong Cao Jue-Xian Mao Yu-Liang Xiang Jun |
| |
| Affiliation: | Department of Physics & Institute of Modern Physics, Xiangtan University, Xiangtan 411105, China; Interdisciplinary Center of Theoretical Studies and Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing 100080, China |
| |
| Abstract: | Based on a force constant model, we investigated the phonon spectrum and then specific heat of single-walled boron nitride nanotubes. The results show that the frequencies of Raman and infrared active modes decrease with increasing diameter in the low frequency, which is consistent with the results calculated by density functional theory. The fitting formulae for diameter and chirality dependence of specific heat at 300K are given. |
| |
| Keywords: | phonon spectrum nanotube boron nitride |
| 本文献已被 维普 等数据库收录！ |
| 点击此处可从《中国物理》浏览原始摘要信息 |
|
点击此处可从《中国物理》下载免费的PDF全文 |
