Photovoltaic effect of ferroelectric PLZT in a layered and preferentially oriented film

  • Masaaki Ichiki
  • , Harumi Furue
  • , Takeshi Kobayashi
  • , Yasushi Morikawa
  • , Takeshi Nakada
  • , Chiaki Endo
  • , Kazuhiro Nonaka
  • , Ryutaro Maeda

Research output: Contribution to journalConference articlepeer-review

4 Scopus citations

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 microelectro-mechanical systems (MEMS).

Original languageEnglish
Article number60350P
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume6035
DOIs
StatePublished - 2006
Externally publishedYes
EventMicroelectronics: Design, Technology, and Packaging II - Brisbane, Australia
Duration: 12 Dec 200514 Dec 2005

Keywords

  • Layered film
  • MOD
  • PLZT
  • Perovskite
  • Photovoltaic effect
  • Tensor surface

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