Observation of room temperature photoluminescence in proton irradiated SrTiO3 single crystal

Title
Observation of room temperature photoluminescence in proton irradiated SrTiO3 single crystal
Authors
노재훈김주영신상원권지환김미영송종한최은집
Keywords
SrTiO3; Defect; Ion beam; Photoluminescence
Issue Date
2010-10
Publisher
Journal of luminescence
Citation
VOL 130, NO 10, 1784-1786
Abstract
We have irradiated SrTiO3 single crystal with 3MeV-proton (H+) beam and found that blue (λ = 420nm)-, green λ = 500nm)- and infrared (λ = 800nm)- frequency photoluminescence(PL)are induced simultaneously at room temperature.TEM and EELS analyses show that an oxygen-deficient amorphous layer is formed at the crystal surface by the proton irradiation. Possible origin of the PL-effect is discussed.
URI
http://pubs.kist.re.kr/handle/201004/38629
ISSN
0022-2313
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KIST Publication > Article
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