Chin. Phys. Lett.  2019, Vol. 36 Issue (11): 117801    DOI: 10.1088/0256-307X/36/11/117801
Transient Photoconductivity in LaRhO$_{3}$ Thin Film
Zhi Meng1,2, Lei Shen1,2, Zongwei Ma1, Muhammad Adnan Aslam1,2, Liqiang Xu2, Xueli Xu1,2, Wang Zhu1, Long Cheng1,2, Yuecheng Bian1,2, Li Pi1, Chun Zhou1**, Zhigao Sheng1**
1Anhui Province Key Laboratory of Condensed Matter Physics at Extreme Conditions, High Magnetic Field Laboratory, Chinese Academy of Sciences, Hefei 230031
2University of Science and Technology of China, Hefei 230026
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Abstract High-quality epitaxial LaRhO$_{3}$ (LRO) thin films on SrTiO$_{3}$ (110) single-crystalline substrates are fabricated by pulsed laser deposition and their photoconductivity properties are studied. The transient photoconductivity (TPC) effect is found in this semiconductor LRO film at room temperature. The magnitude of TPC increases almost linearly with the laser power intensities and the photon energies in visible light range. Moreover, the difference in the TPC results under two airflow conditions confirms that both intrinsic photoinduced carrier accumulation and extrinsic photoinduced heating effects contribute to the magnitude of TPC effect.
Received: 23 July 2019      Published: 21 October 2019
PACS:  78.20.-e (Optical properties of bulk materials and thin films)  
  81.15.Fg (Pulsed laser ablation deposition)  
  07.07.Df (Sensors (chemical, optical, electrical, movement, gas, etc.); remote sensing)  
Fund: Supported by the National Key R&D Program of China under Grant Nos 2017YFA0303603 and 2016YFA0401803, the National Natural Science Foundation of China under Grant Nos 11574316, U1532155, 61805256 and U1832106, and the Key Research Program of Frontier Sciences of CAS under Grant No QYZDB-SSW-SLH011.
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Zhi Meng, Lei Shen, Zongwei Ma et al  2019 Chin. Phys. Lett. 36 117801
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Zhi Meng
Lei Shen
Zongwei Ma
Muhammad Adnan Aslam
Liqiang Xu
Xueli Xu
Wang Zhu
Long Cheng
Yuecheng Bian
Li Pi
Chun Zhou
Zhigao Sheng
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