Paper Title:
Introduction of Fine Engineered Domain Configuration into Potassium Niobate Single Crystals
  Abstract

To induce fine engineered domain configurations into potassium niobate (KNbO3) single crystals, two kinds of methods were performed, i.e., (1) high DC electric field exposure along the opposite direction of polarization of KNbO3 single-domain crystals at room temperature, and (2) introduction of randomly oriented fine domain configuration by heat treatment at 700 °C and then high DC electric field exposure along [001]c direction of KNbO3 multidomain crystals at room temperature. When the method (1) was performed, finally, the poled KNbO3 crystals became to single-domain state again through the formation of multidomain state. On the other hand, the KNbO3 multidomain crystals were obtained by using the method (2), and an enhancement of piezoelectric-related properties was observed.

  Info
Periodical
Edited by
K. Katayama, K. Kato, T. Takenaka, M. Takata and K. Shinozaki
Pages
89-92
DOI
10.4028/www.scientific.net/KEM.350.89
Citation
K. Yokoh, T. Muraishi, S. M. Nam, H. Kakemoto, T. Tsurumi, H. Kumagai, S. Wada, "Introduction of Fine Engineered Domain Configuration into Potassium Niobate Single Crystals", Key Engineering Materials, Vol. 350, pp. 89-92, 2007
Online since
October 2007
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