光谱学与光谱分析 |
|
|
|
|
|
Low-Temperature-Dependent Raman Study on A1(LO) Mode of 6H-SiC |
SONG Sheng-hua, WANG Wei, CHEN Yi-ting, DU Wei-min* |
School of Physics, Peking University, Beijing 100871, China |
|
|
Abstract Variable temperature method was lent for low temperature Raman study on bulk monocrystal 6H-SiC in the temperature range from 80 to 320 K. Some Raman folding modes of 6H-SiC were assigned in the spectrum. The peak position and line width of optical phonon A1(LO) versus temperature mainly below RT was focused on by 3-phonon and 4-phonon models. The result showed that as the temperature decreased the line width decreased, while the peak position shifted to high wave number. It was found that as the temperature varied below 160 K, the change in peak position and line width was little, different from it was at RT, revealing that the line type of A1(LO) mode was mainly decided by the phonon characteristics and the effect of temperature could be ignored when it was below 160 K. It was showed that 4-phonon model was closer to the experiment data for fitting. Both the third and forth anharmonic vibration contributed to the spectrum, while the former was the main process. Moreover, the phonon lifetime became longer when the temperature fell because of the decrease in the atomic thermal motion.
|
Received: 2008-10-13
Accepted: 2009-01-18
|
|
Corresponding Authors:
DU Wei-min
E-mail: wd00@pku.edu.cn
|
|
[1] ZENG Hao, YOU Jing-lin, CHEN Hui, et al(曾 昊,尤静林,陈 辉, 等). Spectroscopy and Spectral Analysis(光谱学与光谱分析), 2007, 27(6): 1143. [2] Feldman D W, James H. Parker, et al, Phys. Rev., 1968, 170: 698. [3] Balkanski M, Wallis R F, Haro E. Phys. Rev. B, 1983, 28: 1928. [4] Mishra P, Jain K P. Phys. Rev. B, 1992, 45: 6587. [5] Verma Prabhat, Abbi S C, Jain K P. Phys. Rev. B, 1995, 51: 16660. [6] Anand Suruchi, Verma Prabhat, Jain K P, et al. Physica, B, 1996, 226: 331. [7] Balkanski M, Wallis R F, Haro E. Phys. Rev. B, 1983, 28: 1928. [8] LI Xiang-biao, SHI Er-wei, CHEN Zhi-zhan, et al(李祥彪,施尔畏,陈之战, 等). Journal of Inorganic Materials(无机材料学报), 2008, 23: 238. [9] Goldberg Yu, Levinshtein M E, Rumyantsev S L. Properties of Advanced Semiconductor Materials GaN, AlN, SiC, BN, SiC, SiGe, Eds. Levinshtein M E, Rumyantsev S L, Shur M S. New York: John Wiley & Sons, Inc., 2001. 93. [10] Mikhael Bechelany, Arnaud Brioude, David Cornu, et al. Adv. Funct. Mater., 2007, 17: 939. [11] Harris G L. Density of SiC, in Properties of Silicon Carbide. Ed. Harris, G.L., EMIS Datareviews Series, N13, 1995b. 3.
|
[1] |
LI Jie, ZHOU Qu*, JIA Lu-fen, CUI Xiao-sen. Comparative Study on Detection Methods of Furfural in Transformer Oil Based on IR and Raman Spectroscopy[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2024, 44(01): 125-133. |
[2] |
WANG Fang-yuan1, 2, HAN Sen1, 2, YE Song1, 2, YIN Shan1, 2, LI Shu1, 2, WANG Xin-qiang1, 2*. A DFT Method to Study the Structure and Raman Spectra of Lignin
Monomer and Dimer[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2024, 44(01): 76-81. |
[3] |
XING Hai-bo1, ZHENG Bo-wen1, LI Xin-yue1, HUANG Bo-tao2, XIANG Xiao2, HU Xiao-jun1*. Colorimetric and SERS Dual-Channel Sensing Detection of Pyrene in
Water[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2024, 44(01): 95-102. |
[4] |
WANG Xin-qiang1, 3, CHU Pei-zhu1, 3, XIONG Wei2, 4, YE Song1, 3, GAN Yong-ying1, 3, ZHANG Wen-tao1, 3, LI Shu1, 3, WANG Fang-yuan1, 3*. Study on Monomer Simulation of Cellulose Raman Spectrum[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2024, 44(01): 164-168. |
[5] |
WANG Lan-hua1, 2, CHEN Yi-lin1*, FU Xue-hai1, JIAN Kuo3, YANG Tian-yu1, 2, ZHANG Bo1, 4, HONG Yong1, WANG Wen-feng1. Comparative Study on Maceral Composition and Raman Spectroscopy of Jet From Fushun City, Liaoning Province and Jimsar County, Xinjiang Province[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2024, 44(01): 292-300. |
[6] |
LI Wei1, TAN Feng2*, ZHANG Wei1, GAO Lu-si3, LI Jin-shan4. Application of Improved Random Frog Algorithm in Fast Identification of Soybean Varieties[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2023, 43(12): 3763-3769. |
[7] |
WANG Zhi-qiang1, CHENG Yan-xin1, ZHANG Rui-ting1, MA Lin1, GAO Peng1, LIN Ke1, 2*. Rapid Detection and Analysis of Chinese Liquor Quality by Raman
Spectroscopy Combined With Fluorescence Background[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2023, 43(12): 3770-3774. |
[8] |
LIU Hao-dong1, 2, JIANG Xi-quan1, 2, NIU Hao1, 2, LIU Yu-bo1, LI Hui2, LIU Yuan2, Wei Zhang2, LI Lu-yan1, CHEN Ting1,ZHAO Yan-jie1*,NI Jia-sheng2*. Quantitative Analysis of Ethanol Based on Laser Raman Spectroscopy Normalization Method[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2023, 43(12): 3820-3825. |
[9] |
LU Wen-jing, FANG Ya-ping, LIN Tai-feng, WANG Hui-qin, ZHENG Da-wei, ZHANG Ping*. Rapid Identification of the Raman Phenotypes of Breast Cancer Cell
Derived Exosomes and the Relationship With Maternal Cells[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2023, 43(12): 3840-3846. |
[10] |
LI Qi-chen1, 2, LI Min-zan1, 2*, YANG Wei2, 3, SUN Hong2, 3, ZHANG Yao1, 3. Quantitative Analysis of Water-Soluble Phosphorous Based on Raman
Spectroscopy[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2023, 43(12): 3871-3876. |
[11] |
GUO Na1, 2, WANG Xin-chen3*. Different Types of Deposits in Porphyry Metallogenic System Identified by 2 200 nm Al—OH Group Vibration[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2023, 43(11): 3492-3496. |
[12] |
GUO He-yuanxi1, LI Li-jun1*, FENG Jun1, 2*, LIN Xin1, LI Rui1. A SERS-Aptsensor for Detection of Chloramphenicol Based on DNA Hybridization Indicator and Silver Nanorod Array Chip[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2023, 43(11): 3445-3451. |
[13] |
ZHU Hua-dong1, 2, 3, ZHANG Si-qi1, 2, 3, TANG Chun-jie1, 2, 3. Research and Application of On-Line Analysis of CO2 and H2S in Natural Gas Feed Gas by Laser Raman Spectroscopy[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2023, 43(11): 3551-3558. |
[14] |
LIU Jia-ru1, SHEN Gui-yun2, HE Jian-bin2, GUO Hong1*. Research on Materials and Technology of Pingyuan Princess Tomb of Liao Dynasty[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2023, 43(11): 3469-3474. |
[15] |
LI Wen-wen1, 2, LONG Chang-jiang1, 2, 4*, LI Shan-jun1, 2, 3, 4, CHEN Hong1, 2, 4. Detection of Mixed Pesticide Residues of Prochloraz and Imazalil in
Citrus Epidermis by Surface Enhanced Raman Spectroscopy[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2023, 43(10): 3052-3058. |
|
|
|
|