Ionic Model of Some Aspects of Cu NQR Spectra in Superconducting Oxides
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概要
- 論文の詳細を見る
We apply an ionic model to explain the pressure and the temperature dependences of copper nuclear quadrupole frequency v_Q in superconducting oxides. The pressure and the temperature dependences of v_Q can, for the most part, be explained only by the change in the lattice spacing. It has also been shown that the origin of large difference in the ^<63>Cu NQR line width between crystallographically different copper sites in YBa_2Cu_3O_<6.5> can be explained in the same model. The result of the present study suggests that the Sternheimer antishielding factor γ_∞ is certainly effective in the case of ionic model, although a negligibly small value has been argued from viewpoint of the band calculation.
- 社団法人日本物理学会の論文
- 1993-02-15
著者
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SHIMIZU Tadashi
National Research Institute for Metals
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Shimizu Tadashi
National Inst. For Materials Sci.
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Shimizu Tadashi
Advanced Nano Characterization Center National Institute For Materials Science
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Shimizu Tadashi
High-field Nmr Group Advanced Nano Characterization Center
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Shimizu Tadashi
Issp Of The Univercity Of Tokyo
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Shimizu Tadashi
National Institute For Material Sciences
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Shimizu Tadashi
National Institute For Material Science
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