Electroluminescence of SrS Thin Films Activated with Nd3+, Sm3+, Dy3+, Ho3+, and Er3+ Ions
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概要
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Thin electroluminescent SrS films activated with Nd3+, Sm3+, Dy3+, Ho3+, and Er3+ ions have been investigated. Their emission colors are found to be orange-white, orange, yellow, greenish white and green respectively, originating from transitions within the 4fn configuration of the rare-earth ions. The luminance levels of these devices are all over 200 cd/m2, except for that of SrS:Ho3+ (110 cd/m2), on the application of a driving voltage in the range 70–100 V with a frequency in the range 3 k–5 kHz. The main spectral regions of these spectra are found to shift to shorter wavelengths in comparison with those of the same ions in ZnS-based TFEL devices.
- INSTITUTE OF PURE AND APPLIED PHYSICSの論文
- 1989-03-20
著者
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Okamoto Shinji
Nhk Science And Technical Research Laboratories
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Nakazawa Eiichiro
NHK Science and Technical Research Laboratories
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TSUCHIYA Yuzuru
NHK Science & Technical Research Laboratories
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Nakazawa Eiichiro
NHK Science and Technical Research Laboratories, 1-10-11, Kinuta, Setagaya-ku, Tokyo 157
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Okamoto Shinji
NHK Science and Technical Research Laboratories, 1-10-11, Kinuta, Setagaya-ku, Tokyo 157
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