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Home  >  Journal list  >  Journal of the Ceramic Society of Japan, Supplement 112-1, PacRim5 Special Issue  >  Vol.112  9. Electronic and Ionic Conductors  >  pp.S622-S625

Journal of the Ceramic Society of Japan, Supplement 112-1, PacRim5 Special Issue
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Anisotropy in Electrical Conductivity of (ZnO)5In2O3 Single Crystal Grown by a Flux Method

Oleg MALOCHKIN1), Won-Seon SEO2), Yasuhiro ONO3), Tsuyoshi KAJITANI3) and Kunihito KOUMOTO1)
1) Department of Applied Chemistry, Nagoya University
2) Korea Institute of Ceramic Engineering and Technology
3) Department of Applied Physics, Tohoku University


  Single crystals of (ZnO)5In2O3 were grown by means of the slow cooling method, using PbF2 as a flux, at reaction temperatures of 1050-1150°C and different cooling rates. The resulting flaky single crystals with a maximum area of 3×2 mm2 were very thin along the c-axis. Single crystal quality was evaluated by XRD, TEM, and SEM. The in-plane electrical conductivity (σ) was measured in the temperature range of 300 K to 1200 K in air. Band gap energy of (ZnO)5In2O3 single crystal was optically determined. Anisotropy of two orders of magnitude in electrical conductivity was first clarified.


Keyword:
(ZnO)5In2O3, Single crystal, Flux method, Electrical conductivity, Band gap energy

Received: July 18, 2003
Accepted: December 10, 2003 , Published online: September 29, 2004
Copyright (c) 2004 The Ceramic Society of Japan

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