Blue and infrared cathodoluminescence induced by carbon-irradiation in SrTiO3 single crystal

Title
Blue and infrared cathodoluminescence induced by carbon-irradiation in SrTiO3 single crystal
Authors
노재훈정성훈신상원권지환김미영송종한최은집
Keywords
SrTiO3; cathodeluminescence; ion beam; photoluminescence
Issue Date
2010-10
Publisher
Journal of luminescence
Citation
VOL 130, NO 10, 1687-1689
Abstract
We show that blue-CL (λ=430nm) can be induced in SrTiO3 single crystal at room temperature by irradiating it with 60 KeV carbon ion(C-) beam. An infrared CL-emission (λ=770nm) is induced simultaneously.Transmission electron microscopy (TEM) measurement exhibits an 200nm thick surface layer formed by the C- irradiation. We show that the emitting region can be patterned into any desired shape by fabricating the STO surface using Pt-based micro-lit hography technique.
URI
http://pubs.kist.re.kr/handle/201004/38628
ISSN
0022-2313
Appears in Collections:
KIST Publication > Article
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