応用物理
Online ISSN : 2188-2290
Print ISSN : 0369-8009
ISSN-L : 0369-8009
螢光体の持続性内部分極(第3報)
中村 堅一加藤 治信
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1966 年 35 巻 3 号 p. 177-183

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Temperature dependence of persistent internal polarization of ZnCdS phosphors has been stu-died. Measurement of thermally depolarized charges after the polarization shows the presence of electron traps of 0.60 eV and 0.78 eV in depth. This result accounts for the temperature depen-dence of the rate of dark polarization. Also, the experiment indicates that the polarization hass the peakvalue when it occurs at temperatures around 60°C, and above this temperaturethe polari-zation drops to a much smaller value. The characteristics may be explained with a reduced barrier model in consideration of the hole distribution.

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