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Europium nitride synthesized by direct nitridation with ammonia

Published online by Cambridge University Press:  01 March 2012

T. Suehiro ,
N. Hirosaki ,
T. Wada ,
Y. Yajima  and
M. Mitomo
T. Suehiro*
Affiliation:
Advanced Materials Laboratory, National Institute for Materials Science, Tsukuba, Ibaraki 305-0044, Japan
N. Hirosaki
Affiliation:
Advanced Materials Laboratory, National Institute for Materials Science, Tsukuba, Ibaraki 305-0044, Japan
T. Wada
Affiliation:
Advanced Materials Laboratory, National Institute for Materials Science, Tsukuba, Ibaraki 305-0044, Japan
Y. Yajima
Affiliation:
Advanced Materials Laboratory, National Institute for Materials Science, Tsukuba, Ibaraki 305-0044, Japan
M. Mitomo
Affiliation:
Advanced Materials Laboratory, National Institute for Materials Science, Tsukuba, Ibaraki 305-0044, Japan
*
a)Author to whom correspondence should be addressed. Electronic mail: [email protected]
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Abstract

Europium nitride (EuN), which is potentially used as an activator for nitride luminescent materials, was prepared by direct nitridation at 600 °C in a NH3 atmosphere. X-ray powder diffraction and composition analysis of the nitrided sample were carefully conducted under an oxygen-free environment. The nitrided sample was found to be mononitride with NaCl structure. An appreciable amount of oxygen (∼0.06 a.u.) was detected, but no secondary oxide phase was found. The results suggest oxygen dissolution into the lattice of EuN.

Type
Technical Articles
Information
Powder Diffraction , Volume 20 , Issue 1 , March 2005 , pp. 40 - 42
Copyright
Copyright © Cambridge University Press 2005

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