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Synthesis of large-size β–Si3N4 crystals

Published online by Cambridge University Press:  31 January 2011

K. Furuya ,
K. Matsuo ,
F. Munakata ,
Y. Akimune ,
J. Ye ,
Y. Yamamoto  and
I. Ishikawa
K. Furuya
Affiliation:
Materials Research Laboratory, Nissan Motor Company, Ltd., Yokosuka, Kanagawa 237–8593, Japan
K. Matsuo
Affiliation:
Materials Research Laboratory, Nissan Motor Company, Ltd., Yokosuka, Kanagawa 237–8593, Japan
F. Munakata
Affiliation:
Materials Research Laboratory, Nissan Motor Company, Ltd., Yokosuka, Kanagawa 237–8593, Japan
Y. Akimune
Affiliation:
Materials Research Laboratory, Nissan Motor Company, Ltd., Yokosuka, Kanagawa 237–8593, Japan
J. Ye
Affiliation:
Research Department, NISSAN ARC, Ltd., Yokosuka, Kanagawa 237–0061, Japan
Y. Yamamoto
Affiliation:
Research Department, NISSAN ARC, Ltd., Yokosuka, Kanagawa 237–0061, Japan
I. Ishikawa
Affiliation:
Research Department, NISSAN ARC, Ltd., Yokosuka, Kanagawa 237–0061, Japan
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Abstract

Large-sized β–Si3N4 crystals up to 10 mm in length and 0.3 mm in diameter with low impurity concentration are successfully grown from silicon melt in a nitrogen atmosphere. By controlling the concentration of impurities in the silicon melt, a new kind of β–Si3N4 crystal, that is, a transparent coloring one with an absorption edge around a wavelength of 520 nm, is obtained.

Type
Articles
Information
Journal of Materials Research , Volume 14 , Issue 5 , May 1999 , pp. 1690 - 1691
Copyright
Copyright © Materials Research Society 1999

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References

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