Author:
Chen Peng ,Jin Ke-Xin ,Chen Chang-Le ,Tan Xing-Yi ,
Abstract
The photovoltaic effect and the good rectifying behavior are observed in La0.88Te0.12MnO3(LTMO)/Si heterostructure fabricated by a pulsed laser deposition method. The photovoltage increases quickly to a maximum value at about 394 μs and then decreases gradually. The maximum photovoltage is about 13.7 mV at T = 80 K. The maximum photovoltage decreases with temperature increasing, which is attributed to the stronger thermal fluctuation. A nonlinear decrease of the maximum photovoltage in the photovoltages-temperature curve is observed, which is mainly caused by the change in the band structure of the LTMO layer due to the metal-insulator transition.
Publisher
Acta Physica Sinica, Chinese Physical Society and Institute of Physics, Chinese Academy of Sciences
Subject
General Physics and Astronomy
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