Voltage Dependence Curves of Cathodoluminescence of Y2O2S: Tb Phosphor Screen
1994 年 114 巻 1 号 p. 31-34
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1994 年 114 巻 1 号 p. 31-34
It has been found that a phosphor screen, composed of Y2O2S: Tb, in 0.6 inches CRT exhibits two distinctively different slopes in voltage dependence curve of the cathodoluminescence excitation; e. g. above and below a 3 keV potential. These difference in the voltage dependence curves of the cathodoluminescence may be attributed to an involvement of a piezoelectricity of the phosphor crystals under irradiation of the electrons.
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