TITLE

High brightness red electroluminescence in CaS:Eu thin films

AUTHOR(S)
Tanaka, K.; Mikami, A.; Ogura, T.; Taniguchi, K.; Yoshida, M.; Nakajima, S.
PUB. DATE
June 1986
SOURCE
Applied Physics Letters;6/23/1986, Vol. 48 Issue 25, p1730
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The crystallinity and luminescent property were studied on evaporated CaS:Eu thin films. The orientation of the film strongly depends on substrate temperature. Distinct orientation was not observed in films deposited below 600 °C. Above 600 °C, the films tend to have a (111) orientation. The red emitting electroluminescent device with CaS:Eu active layer prepared at 680 °C which is strongly oriented to the [111] direction shows the brightness of 180 cd/m2 under 1 kHz alternate excitation.
ACCESSION #
9820167

 

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