9 February 1995 Defect formation in layered ionic crystals of (CnH2n+1NH3)2MCl4:M=Cd, Cu, Mn;n=1,2,3 and CsMnCl3-2H20
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Proceedings Volume 2362, International Conference on Excitonic Processes in Condensed Matter; (1995) https://doi.org/10.1117/12.200970
Event: Excitonic Processes in Condensed Matter: International Conference, 1994, Darwin, Australia
Abstract
Metal precipitation has been observed at the 2D crystals of alkylammonium metal chlorides, (CnH2n+1NH3)2MCl4 which were X- or (gamma) -irradiated at 77 K and warmed to room temperature. It has been also observed in the 1D crystals of CsMnCl3(DOT)2H2O which was irradiated at room temperature similar as photochromism of silver halides. The different temperature conditions of metal precipitation suggest a variety of defect formation mechanisms. In alkylammonium metal chlorides, Cl2- molecule ions are formed at 77 K and electron trap centers are observed at 15 K with X-ray irradiation. The electron trap centers are very unstable and are bleached at temperatures higher than 30 K.
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Takehisa Yoshinari, Tomochika Matsuyama, Shigetaka Shimanuki, Takao Nanba, Masami Fujisawa, Hitoshi Yamaoka, Tomoyoshi Kamikawa, Kiyoshi Aoyagi, "Defect formation in layered ionic crystals of (CnH2n+1NH3)2MCl4:M=Cd, Cu, Mn;n=1,2,3 and CsMnCl3-2H20", Proc. SPIE 2362, International Conference on Excitonic Processes in Condensed Matter, (9 February 1995); doi: 10.1117/12.200970; https://doi.org/10.1117/12.200970
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