Magnetization Measurement and ^<55>Mn NMR Study of La (Ni_<1->Mg_x)_<0.5>Mn_<0.5>O_3
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概要
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Magnetization measurement and "Mn NMR study on a ferroxaaagnet systemLa(Nif:..Mg:")..,MnQ;0, are made. The divalexat and the tetravalent ions are found tobe ordered to a considerable extent in the w'hole compositional range, and the fer-romagnetic superexchange interactions between neighboring Mn" and Ni" ions areestimated to be 26 K in magnitude. "Mn NMR signals are observed for samples with,v:50.6 in a frequency range between 270 and 3l0MHz. 'The spectra composed ofseveral equidistantly separated peaks can be successfully interpreted as each peak be-ing the signal from Mn" surrounded by a specific number of Ni" ions. Theh)'perfine magnetic field at "Mn supertransferred from a neighboring Xi" ion is de-termined to be 6.3 k0e, and the field originating froxav the own 3d magnetic momentof Mn" ton is estimated to be - 295 k0e, being a typical value for Mn" ions in ox-ides.[supertransferred hyperfine magnetic field, "Mn NMR, ferromagnetic oxide, ]l ionic order in perovskitel
- 社団法人日本物理学会の論文
- 1992-11-15
著者
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ASAI Kichizo
Department of Applied Physics and Chemistry, The University of Electro-Communications
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Asai K
Department Of Applied Physics And Chemistry The University Of Electro-communications
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Asai Kichizo
Department Of Applied Physics And Chemistry The University Of Electro-communications
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SONOBE Masanobu
Department of Applied Physics and Chemistry,The University of Electro-Communications
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Sonobe Masanobu
Department Of Applied Physics And Chemistry The University Of Electro-communications:fuji Photo Film
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Asai Kichizo
Department of Applied Physics and Chemistry,The University of Electro-Communications
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