Phonon-Assisted Optical Absorption in Irradiated MgO

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概要

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• Color centers are introduced into MgO single crystals by reactor neutron irradiations. The energy separations obtained from several sharp peaks appeared on longer wavelength tail of 352 and 980nm bands are in good agreement with characteristic phonon energies calculated by Karo and Hardy. The identifications of both 352 and 980nm bands are considered: It is suggested to assign the 352nm band to the Cr ion centers associated with a certain vacancies or defects and the 980nm band to the M' centers.

• 1968-05-05

著者

• Nakagawa Masuo

  Research Reactor Institute Kyoto University

関連論文

• Irradiation-Induced VUV Absorption in MgF_2 Crystals
• Color Centers in MgO:Ni Induced by Neutron Irradiation
• "Mirror" Absorption and Fluorescence in MgO
• Phonon-Assisted Optical Absorption in Irradiated MgO

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