拉曼光谱
声子
物理
共振(粒子物理)
结晶学
理想(伦理)
分子振动
合金
材料科学
凝聚态物理
分析化学(期刊)
原子物理学
量子力学
化学
认识论
哲学
色谱法
复合材料
作者
Yu-Chao Wang,Longxing Su,Yu Zhao,Jianfeng Liu,Zheng-Chuan Shen,Yuhua Feng,Tianzhun Wu,Zikang Tang
出处
期刊:International Journal of Modern Physics B
[World Scientific]
日期:2017-07-26
卷期号:31 (16-19): 1744067-1744067
被引量:2
标识
DOI:10.1142/s0217979217440672
摘要
Resonance Raman spectra of Be[Formula: see text]Zn[Formula: see text]O alloy materials were studied using 325 nm Laser. The research showed that the Raman spectra of Be[Formula: see text]Zn[Formula: see text]O alloys presents a dual-mode vibration. Compare Be[Formula: see text]Zn[Formula: see text]O alloy with ZnO single crystal, the A 1 (LO) phonon vibration mode of Be[Formula: see text]Zn[Formula: see text]O alloy moved to the larger wave number direction. The position of A 1 (LO) phonon vibration modes of Be[Formula: see text]Zn[Formula: see text]O and Be[Formula: see text]Zn[Formula: see text]O was 580 cm[Formula: see text] and 582 cm[Formula: see text], respectively. In addition, the temperature-dependent Raman spectroscopy was employed for Be[Formula: see text]Zn[Formula: see text]O, and the phonon mode frequency shift with temperature was studied in detail. Finally, the stability of the polar and nonpolar Be[Formula: see text]Zn[Formula: see text]O alloy materials was studied using resonance Raman spectroscopy. The results showed that the A 1 (LO) phonon mode frequency of polar Be[Formula: see text]Zn[Formula: see text]O alloy remained in the same position, while the nonpolar Be[Formula: see text]Zn[Formula: see text]O alloys moved nearly 3.5 cm[Formula: see text] to larger direction after being placed in the air for two years. The reason may be that the stability of the nonpolar Be[Formula: see text]Zn[Formula: see text]O alloy is relatively poor upon interaction with molecule such as H 2 O, O 2 in the air.
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