The z value dependence of photoluminescence in Eu^[2+]-doped β-SiAlON (Si_[6-z]AlzOzN_[8-z]) with 1 ≤ z ≤ 4


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Title:	The z value dependence of photoluminescence in Eu^[2+]-doped β-SiAlON (Si_[6-z]AlzOzN_[8-z]) with 1 ≤ z ≤ 4
Authors:	Zhu, X. W. Browse this author
	Masubuchi, Y. Browse this author
	Motohashi, T. Browse this author →KAKEN DB
	Kikkawa, S. Browse this author
Keywords:	SiAlON
	Luminescent materials
	Powder processing
	X-ray diffraction (XRD)
	Optical properties
Issue Date:	7-Jan-2010
Publisher:	Elsevier B.V.
Journal Title:	Journal of Alloys and Compounds
Volume:	489
Issue:	1
Start Page:	157
End Page:	161
Publisher DOI:	10.1016/j.jallcom.2009.09.042
Abstract:	Eu^[2+]-doped β-SiAlON (Si_[6-z]AlzOzN_[8-z]) phosphors with 1 ≤ z ≤ 4 were synthesized by gas pressure sintering. The emission spectra exhibit two broad bands with maxima at about 415 nm (violet) and 540 nm (green) under ultraviolet excitation. The green emission is dominant at z ≤ 2, while the violet emission becomes dominant at z > 2. The combination of two emission bands in a compound could lead to a white emission in Eu^[2+]-doped β-SiAlON with 2 < z ≤ 3.
Type:	article (author version)
URI:	http://hdl.handle.net/2115/42556
Appears in Collections:	工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 吉川信一

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