Changchun Institute of Optics,Fine Mechanics and Physics,CAS
Polarization and temperature dependent BRDF of titanium alloy rough surface | |
Guan, H. Y.; W. J. Zhang; J. M. Zhao; L. H. Liu and Y. T. Shi | |
2016 | |
发表期刊 | Journal of Infrared and Millimeter Waves |
卷号 | 35期号:1 |
摘要 | Although the role of ion bombardment on electrical conductivity and optical reflectivity of transition metal nitrides films was reported previously, the results were controversial and the mechanism was not yet well explored. Here, we show that proper ion bombardment, induced by applying the negative bias voltage (V-b), significantly improves the electrical conductivity and optical reflectivity in rocksalt hafnium nitride films regardless of level of stoichiometry (i.e., in both near-stoichiometric HfN1.04 and over-stoichiometric HfN1.17 films). The observed improvement arises from the increase in the concentration of free electrons and the relaxation time as a result of reduction in nitrogen and hafnium vacancies in the films. Furthermore, HfN(1.1)7 films have always much lower electrical conductivity and infrared reflectance than HfN1.04 films for a given V-b, owing to more hafnium vacancies because of larger composition deviation from HfN exact stoichiometry (N:Hf = 1: 1). These new insights are supported by good agreement between experimental results and theoretical calculations. |
文章类型 | 期刊 |
收录类别 | SCI ; EI |
语种 | 中文 |
文献类型 | 期刊论文 |
条目标识符 | http://ir.ciomp.ac.cn/handle/181722/56934 |
专题 | 中科院长春光机所知识产出 |
推荐引用方式 GB/T 7714 | Guan, H. Y.,W. J. Zhang,J. M. Zhao,et al. Polarization and temperature dependent BRDF of titanium alloy rough surface[J]. Journal of Infrared and Millimeter Waves,2016,35(1). |
APA | Guan, H. Y.,W. J. Zhang,J. M. Zhao,&L. H. Liu and Y. T. Shi.(2016).Polarization and temperature dependent BRDF of titanium alloy rough surface.Journal of Infrared and Millimeter Waves,35(1). |
MLA | Guan, H. Y.,et al."Polarization and temperature dependent BRDF of titanium alloy rough surface".Journal of Infrared and Millimeter Waves 35.1(2016). |
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