Acta Physica Sinica, Volume. 68, Issue 2, 026701-1(2019)
Electrical conductivity and infrared ray photoconductivity for lattice distorted SmNiO3 perovskite oxide film
Fig. 1. Perovskite structure of SmNiO3 crystal: (a) Polyhedron form of structure; (b) the stick form of structure. SmNiO3晶体的钙钛矿结构 (a) 结构的多面体形式; (b) 结构的球棍形式
Fig. 2. XRD patterns and (114) RSM diagram of SmNiO3 films grown on different substrates: (a) SrTiO3 (XRD); (b) LaAlO3 (XRD); (c) SrTiO3 (RSM); (d) LaAlO3 (RSM). 不同基底上生长的SmNiO3薄膜的XRD 图谱和 RSM 图 (a) SrTiO3 （XRD）; (b) LaAlO3 （XRD）; (c) SrTiO3 （RSM）; (d) LaAlO3 （RSM）
Fig. 3. Resistivity temperature curves of SNO thin films on different substrates: (a) SrTiO3; (b) LaAlO3. 不同基体上的SNO薄膜的电阻率-温度曲线 (a) SrTiO3; (b) LaAlO3
Fig. 4. Fitting results of transmittance of SmNiO3 thin films on different substrates: (a) LaAlO3, (b) SrTiO3; the relation curve of the real part of the optical conductivity and wave number of SmNiO3 film: (c) LaAlO3, (d) SrTiO3. 不同基体上的SmNiO3薄膜透射率的拟合结果 (a) LaAlO3, (b) SrTiO3; 不同基体上的SmNiO3薄膜的光电导率实部与波数的关系曲线 (c) LaAlO3, (d) SrTiO3
Fig. 5. The Ni—O—Ni bond angle and the rotation of NiO6 when the SmNiO3 film on different substrates transform from insulating state to metal state: (a) LaAlO3; (b) SrTiO3; (c) SmNiO3 film electron band transition diagram. 不同衬底上的SmNiO3薄膜发生金属绝缘转变时Ni—O—Ni键角及NiO6八面体的旋转状态 (a) LaAlO3; (b) SrTiO3; (c) SmNiO3薄膜的电子能带跃迁图
Fig. 6. Absorption spectra of SmNiO3/SrTiO3 (001) and SmNiO3/LaAlO3 (001) films: (a) K-edge absorption spectrum of O element; (b) L-edge absorption spectrum of Ni element. SmNiO3/SrTiO3 (001) 和 SmNiO3/LaAlO3 (001)薄膜的元素吸收谱 (a) O元素L-边吸收谱; (b) Ni元素K-边吸收谱
Table 1.
Lorentz fitted parameters of transmittance of SmNiO3 thin films on different substrates.
不同基体上的SmNiO3薄膜透射率的Lorentz拟合参数
View tableView in ArticleTable 1.
Lorentz fitted parameters of transmittance of SmNiO3 thin films on different substrates.
不同基体上的SmNiO3薄膜透射率的Lorentz拟合参数
LaAlO3 ( \begin{document}$\omega_\infty$\end{document} # \begin{document}$\omega_{\rm o}$\end{document} \begin{document}$\omega_{\rm p}$\end{document} \begin{document}$\gamma$\end{document} ( \begin{document}$\omega_{\rm p}/\omega_{\rm o}$\end{document} \begin{document}$\gamma/\omega_{\rm o}$\end{document} 1 −1.57 × 104 1.94 × 101 −6.05 × 104 1.53 × 10−6 3.86 2 6.73 × 1039 1.27 × 1035 9.41 × 1068 5.82 × 10−10 −4.15 × 1028 3 1.09 × 103 4.23 × 102 8.11 × 102 1.52 × 10−1 7.46 × 10−1 4 1.72 × 103 3.97 × 102 1.47 × 103 5.34 × 10−2 8.52 × 10−1 5 9.55 × 1014 7.07 × 1014 7.09 × 1023 1.51 × 10−1 −2.46 × 108 6 5.39 × 1014 9.37 × 1014 9.02 × 1023 3.38 × 10−2 3.70 × 108 SrTiO3 ( \begin{document}$\omega_\infty$\end{document} # \begin{document}$\omega_{\rm o}$\end{document} \begin{document}$\omega_{\rm p}$\end{document} \begin{document}$\gamma$\end{document} ( \begin{document}$\omega_{\rm p}/\omega_{\rm o}$\end{document} \begin{document}$\gamma/\omega_{\rm o}$\end{document} 1 7.04 × 101 9.99 × 101 9.95 2.02 1.41 × 10−1 2 1.50 × 102 9.98 × 101 9.73 4.43 × 10−1 6.49 × 10−2 3 3.64 × 1043 1.80 × 1037 −1.00 × 1070 3.38 × 10−12 −2.97 × 1029 4 1.18 × 101 2.80 × 102 4.63 5.61 × 102 3.91 × 10−1 5 4.27 × 102 2.56 × 102 3.50 × 101 3.61 × 10−1 8.20 × 10−2 6 3.75 × 102 2.55 × 102 4.06 × 101 4.63 × 10−1 1.08 × 10−1 7 4.29 × 109 3.99 × 109 8.32 × 1012 3.54 × 10−2 9.20 × 102 8 2.68 × 108 2.88 × 109 1.00 × 1014 1.81 × 10−1 9.91 × 103 9 3.28 × 109 3.11 × 109 2.30 × 1010 4.29 × 10−2 3.36 × 103 10 4.70 × 109 2.85 × 109 9.42 × 1013 8.26 × 10−2 6.58 × 103
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Hai-Yang Hu, Ji-Kun Chen, Fei Shao, Yong Wu, Kang-Kang Meng, Zhi-Peng Li, Jun Miao, Xiao-Guang Xu, Jia-Ou Wang, Yong Jiang. Electrical conductivity and infrared ray photoconductivity for lattice distorted SmNiO3 perovskite oxide film [J]. Acta Physica Sinica, 2019, 68(2): 026701-1
Category: Research Articles
Received: Aug. 9, 2018
Accepted: --
Published Online: Sep. 29, 2019
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