E.S.R. Investigation of 3d^9 Ions in Alkali-Halides
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概要
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Cu^<2+> in NaCl, LiCl and NaF, and Ni^+ in NaCl, most of which were produced from Cu^+ and Ni^<2+> by X-ray irradiation were studied by the e.s.r. All of Cu^<2+> had elongated tetragonal surroundings, while Ni^+ had compressed ones. In NaCl:Cu^<2+>, the optical dichroism along a cube edge was detected at 5 K corresponding to the Jahn-Teller distortion. From the observed super hyperfine structure of surrounding nuclei the amounts of covalency, f_s and f_σ were estimated as 0.77 to 0.89% and 7.9 to 12% in the chlorides, respectively. In the case of NaCl:Cu^<2+> doped as divalent states, sharp anisotropic spectra without the hyperfine structure due to Cu nucleus were observed, which are presumably due to coagulated ions.
- 社団法人日本物理学会の論文
- 1971-10-05
著者
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Kuwabara Goro
Department Of Physics Faculty Of Science University Of Tokyo
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Kuwabara Goro
Department Of Physice Facult Of Science University Of Tokyo.
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