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Czochralski Crystal Growth of Zinc Oxide-Tellurium Oxide System

Published online by Cambridge University Press:  01 February 2011

Jalal M. Nawash  and
Kelvin G. Lynn
Jalal M. Nawash
Affiliation:
jnawash@mail.wsu.edu, Washington State University, Materials Science Program, 435 NE Kamiaken, Apt #31, Pullman, Wa, 99163, United States, 509-335-8145, 509-3354145
Kelvin G. Lynn
Affiliation:
kgl@wsu.edu, Washington State University, Materials Science Program, United States
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Abstract

Czochralski technique was employed in an attempt to grow a single crystal of the system ZnO-TeO2. A good quality grown crystal is expected to be transparent with a very light yellow color. The crystals exhibit a high resistivity of the order of 1013 Ω-cm. Different mole percentages have been tested for growth. Several attempts were performed to pull a single crystal. It was found that the best mole percentage of ZnO-TeO2 is 35.5:64.5. The pulled material grows uniformly, such that necking and conning are noticed. The pulled material contained multiple single crystals which were isolated and studied. Each one of them was transparent. Some properties will be presented. The pulled material of the 40:60 ZnO-TeO2 mole percentage returned four phases. Two of these phases are very uncommon.

Keywords

crystal growthoptical propertiesx-ray diffraction (XRD)
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 891: Symposium EE – Progress in Semiconductor Materials V – Novel Materials and Electronics and Optoelectronic Applications , 2005 , 0891-EE10-08
Copyright
Copyright © Materials Research Society 2006

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