Non-rare earth white emission phosphor: Ti-doped MgAl2O 4

J. H. Lim, B. N. Kim, Y. Kim, S. Kang, R. J. Xie, I. S. Chong, K. Morita, H. Yoshida, K. Hiraga

Research output: Contribution to journalArticlepeer-review

35 Scopus citations

Abstract

White emission produced by Ti-doped MgAl2O4 phosphor powder is reported, which is in contrast to blue emission from most Ti-doped single crystals of MgAl2O4. The white emission peak consists of four deconvoluted peaks: 440, 490, 550, and 620 nm, when was excited by 260 nm wavelength. Ti4+ in octahedral sites was found to contribute mostly to greenish blue emissions at 490 and 550 nm. The red emission at 620 nm was produced by abundant Mg2+ and O2- vacancies in the spinel powder.

Original languageEnglish
Article number031104
JournalApplied Physics Letters
Volume102
Issue number3
DOIs
StatePublished - 21 Jan 2013

Fingerprint

Dive into the research topics of 'Non-rare earth white emission phosphor: Ti-doped MgAl2O 4'. Together they form a unique fingerprint.

Cite this