Photoemission from an Anthracene Single Crystal Doped with Alkali-Metals

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概要

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• External Photoelectric effect is investigated with an anthracene single crystal doped superficially with alkali-metals; cesium, potassium and sodium. The threshold energy is found to be dependent upon the amount of metal doped. When the doping amount is low, the photoelectrons are excited via the first singlet exciton state and are emitted with the aid of the surface double layer formed between alkali-metal and anthracene. The photoemission yield of a highly doped crystal shows a cubic law dependence upon the incident photon energy. The threshold energy, 2.57eV, obtained in this case can be interpreted as the energy of surface state below the vacuum level.

• 社団法人日本物理学会の論文
• 1970-03-05

著者

• Yoshimura Susumu

  Matsushita Research Institute Tokyo Inc.

関連論文

• Two-Photon Excited Photocurrents in Anthracene Crystal
• Monotropic Phase Transition of the Complex Anion-Radical Salts of TCNQ with the N-(Mehyl) quinolinium Cation
• Photoemission from an Anthracene Single Crystal Doped with Alkali-Metals
• Bulk Generation of Photocarriers via Two-Photon Absorption in Anthracene Single Crystal

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