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Spectroscopic properties of Cr-doped and Cr,Li-doped synthetic forsterite crystals |
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| Authors: | Akiko Sugimoto Yukio Nobe Takafumi Yamazaki Yasuhide Yamaguchi Kiyoshi Yamagishi Yusaburo Segawa Humihiko Takei |
| Institution: | Corporate R&D Center, Mitsui Mining & Smelting Co. Ltd., 1333-2 Haraichi Ageo Saitama, 362 Japan, Fax 81-48-775-6373, JP Photodynamic Research Center, The Institute of Physical and Chemical Research (RIKEN), Nagamachi Koeji 19-1399, Aoba-ku, Sendai, Miyagi, 982 Japan, JP Faculty of Science, Osaka University, 1-16, Machikaneyama, Toyonaka, Osaka, 560 Japan, JP |
| Abstract: | Cr-droped and Cr,Li-doped forsterite crystals were grown and their optical properties were investigated. It was shown that when only Cr is doped, Cr3+ is substituted at the site of low crystal field, and the energy level 2E lie above the 4T2 level, while 4T2 is just above 2E when Cr and Li are codoped. The difference was rationalized by a deformation of the Cr substituted site with the introduction of Li. |
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