Metal-insulator transition in epitaxial NdNiO₃ thin film: A structural, electrical and optical study

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• 作者：Tao Shao ; Zeming Qi ; ^{zmqi@ustc.edu.cn} ; Yuyin Wang ; Yuanyuan Li ; Mei Yang ; Chuansheng Hu
• 关键词：Metal-insulator transition ; Pulsed laser deposition ; Raman spectrum ; Optical conductivity ; NiO6 octahedra
• 刊名：Applied Surface Science
• 出版年：2017
• 出版时间：31 March 2017
• 年：2017
• 卷：399
• 期：Complete
• 页码：346-350
• 全文大小：1589 K
• 卷排序：399

文摘

NdNiO3 thin film has been prepared by pulsed laser deposition on LaAlO3 (001) substrates. The temperature of insulator-metal transition can be tuned by the thin film thickness. The level of NiO6 distortion changed by thin film thickness is revealed by Raman spectroscopy. Optical conductivity study shows the carriers variation in the process of phase transition.