WANG Lei; ZHOU Tong; HUA Enda; LIU Zhongliang; LI Bing; LIU Qinzhuang

doi:10.7498/aps.74.20241683

Abstract

Transparent conducting oxides (TCOs) are crucial materials in optoelectronics, but p-type TCOs are less studied than n-type TCOs. NiO, for typical p-type TCOs show promising potential applications in transparent optoelectronic devices. In this study, Li_xNi_1–xO thin films with varying thickness and Li doping levels on MgO(001) substrates are successfully fabricated using pulsed laser deposition. The results demonstrate that increasing both thickness and Li doping level will reduce the resistivity of the films, with the maximum optical bandgap observed at a thickness of 50 nm and 3% Li doping level. Based on the control of physical properties through film thickness and Li doping, the p-type Li_xNi_1–xO with the largest bandgap is selected to construct transparent electronic devices with n-type La-doped ASnO₃ films. The I -V tests confirm the rectification properties of the heterostructures, successfully demonstrating the formation of pn junctions. This work expands the potential applications of transparent electronic devices by integrating p-type NiO with n-type ASnO₃.

Keywords:

Authors and contacts

Corresponding author: HUA Enda, huaed@chnu.edu.cn ; LIU Qinzhuang, qzliu@mail.ustc.edu.cn

Funds: Project supported by the Natural Science Foundation of China (Grant No. 11974127), the Middle-aged and Young Teachers’ Training Action Discipline (Major) Leader Cultivation Project, China (Grant No. DTR2023022), the Excellent Scientific Research and Innovation Team of Education Department of Anhui Province, China (Grant No. 2024AH010027), the Scientific Research Foundation of Education Department of Anhui Province of China (Grant No. 2024AH051674), the Surplus Fund Expansion Research Project of Huaibei Normal University, China (Grant Nos. 2023ZK052, RE230426, 2023ZK065, 2024ZK09), and the University Synergy Innovation Program of Anhui Province, China (Grant No. GXXT-2022-086).

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2025年第74卷第9期096802《LixNi1-xO薄膜物性调控及基于LixNi1-xO的透明pn结整流效应》补充材料.pdf

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Vol. 74, Issue 9 - 2025-05-05

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