長(zhǎng)波閾為1.65m的透射式負(fù)電子親和勢(shì)光陰極組成結(jié)構(gòu)的設(shè)計(jì)
THE COMPOSITIONAL STRUCTURE DESIGN OF A NEGATIVE ELECTRON AFFINITY TRANSMISSION MODE PHOTOCATHODE WITH 1.65m THRESHOLD WAVELENGTH
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摘要: 正 透射式負(fù)電子親和勢(shì)GaAs光陰極已應(yīng)用于成像器件。由于GaAs的禁帶寬度為1.42eV,長(zhǎng)波閾約為0.9m。因此透射式負(fù)電子親和勢(shì)GaAs光陰極的工作波長(zhǎng)范圍為0.40.9m。迄今尚未見(jiàn)報(bào)道長(zhǎng)波閾大于1m的透射式負(fù)電子親和勢(shì)Ⅲ-Ⅴ族化合物光
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關(guān)鍵詞:
Abstract: In this paper, a transmissive NEA phatocathode with 1.65 m threshold wavelength is proposed and designed, its compositional structure is as follows: InPAl0.48 In0.52 AsGa0.47 In0.53 AsAl0.48 In0.52 Asconduction coatingglass. -
J. C. Richard and E. Roaux, Vacuum, 30(1980), 549.[2]陶兆民,電子學(xué)通訊,3(1981), 132.[3]R. L. Moon et al., J. Electronic Materials 3(1974), 640. -
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