Photovoltaic properties of ferroelectrics and their applications to optical sensor

Masaaki Ichiki; Harumi Furue; Takeshi Kobayashi; Yasushi Morikawa; Kazuhiro Nonaka; Ryutaro Maeda

doi:10.1117/12.760416

11 January 2008 Photovoltaic properties of ferroelectrics and their applications to optical sensor

Masaaki Ichiki, Harumi Furue, Takeshi Kobayashi, Yasushi Morikawa, Kazuhiro Nonaka, Ryutaro Maeda

Proceedings Volume 6800, Device and Process Technologies for Microelectronics, MEMS, Photonics, and Nanotechnology IV; 680011 (2008) https://doi.org/10.1117/12.760416
Event: SPIE Microelectronics, MEMS, and Nanotechnology, 2007, Canberra, ACT, Australia

Abstract

Photovoltaic (Pb,La)(Zr,Ti)O₃ (PLZT) films in a layered structure of different crystallographic orientations are fabricated by an optimized metalorganic deposition (MOD) method. Such films of (001) orientation exhibit a photovoltaic electrical power of approximately 20 times higher than that of random films. The anisotropic optical properties of the oriented films, including dark conductivity, photoconductivity and photovoltaic tensor surfaces, are obtained quantitatively. These results show that the photovoltaic output current and power of the oriented films are highly improved to be equal to those of semiconductors and suitable for application in the optical sensor of micro-electro-mechanical systems (MEMS).

Citation Download Citation

Masaaki Ichiki, Harumi Furue, Takeshi Kobayashi, Yasushi Morikawa, Kazuhiro Nonaka, and Ryutaro Maeda "Photovoltaic properties of ferroelectrics and their applications to optical sensor", Proc. SPIE 6800, Device and Process Technologies for Microelectronics, MEMS, Photonics, and Nanotechnology IV, 680011 (11 January 2008); https://doi.org/10.1117/12.760416

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