Title

Crystal growth of alkali metal ion doped potassium niobate fiber single crystals

Document Type

Journal Article

Publication Details

Kimura, H, Tanahashi, R, Zhao, H, Maiwa, K, Cheng, Z & Wang, P (2010), Crystal growth of alkali metal ion doped potassium niobate fiber single crystals, Optical Materials, 32(7), pp. 735-738.

Abstract

Alkali metal (Na, Rb or Cs) ion doped KNbO3 fiber single crystals are grown using an original pulling down method, to improve their composition change during a crystal growth, by means of co-doping of small ionic size Na and large ionic size Rb or Cs into KNbO3. In spite of the co-doping, single crystals can be grown with orthorhombic single-phase at room temperature, as well as pure KNbO3. Their electric properties, such as impedance, are changed depending on the doping ions. Na and Rb co-doped KNbO3 is promising Pb free ferroelectric and piezoelectric crystals.

RIS ID

32920

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Link to publisher version (DOI)

http://dx.doi.org/10.1016/j.optmat.2010.02.004