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139La-NMR Study on La-based High-Tc Cuprates La2-xMxCuO4 (M=Sr, Ba) around x=0.115 under High Magnetic Field.
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- Goto Takayuki
- Institute for Material Research, Tohoku University, 2–1–1 , Katahira, Sendai 980–77
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- Chiba Kaichiro
- Institute for Material Research, Tohoku University, 2–1–1 , Katahira, Sendai 980–77
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- Mori Masakatsu
- Institute for Material Research, Tohoku University, 2–1–1 , Katahira, Sendai 980–77
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- Suzuki Takao
- Institute for Material Research, Tohoku University, 2–1–1 , Katahira, Sendai 980–77
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- Seki Katsutoshi
- Institute for Material Research, Tohoku University, 2–1–1 , Katahira, Sendai 980–77
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- Fukase Tetsuo
- Institute for Material Research, Tohoku University, 2–1–1 , Katahira, Sendai 980–77
Bibliographic Information
- Other Title
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- 139La-NMR Study on La-based High Tc Cup
- <sup><b>139</b></sup>La-NMR Study on La-based High-<i><i>T</i></i><sub><b><i>c</i></b></sub>Cuprates La<sub><b>2-<i><i>x</i></i></b></sub>M<sub><i><i>x</i></i></sub>CuO<sub><b>4</b></sub>(M=Sr, Ba) around<i><i>x</i></i>=0.115 under High Magnetic Field
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Description
The effect of the external field on La-NMR spectra has been studied on La-based high-Tc cuprates La2-xSrxCuO4(x≈ 0.115) and La2-xBaxCuO4(x=0.125), where the magnetic ordering in Cu-3d spin exists at low temperature. In the magnetically ordered state, the broadening in the resonance line was observed, reflecting the hyperfine field at the La-site contributed by the Cu-3d spins. By applying a high magnetic field of 15 T, this broadening in La2-xSrxCuO4 showed a significant shrink, which is interpreted as the spin-flop in the canted-spin system with the Dzyaloshinski-Moriya interaction. A model is proposed to explain both this spin-flop and the previously-reported anomalous field dependence of the structural instability in this system.
Journal
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- Journal of the Physical Society of Japan
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Journal of the Physical Society of Japan 66 (9), 2870-2874, 1997
THE PHYSICAL SOCIETY OF JAPAN
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Details 詳細情報について
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- CRID
- 1390282679157087488
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- NII Article ID
- 210000100371
- 110001970606
- 130004536231
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- NII Book ID
- AA00704814
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- BIBCODE
- 1997JPSJ...66.2870G
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- ISSN
- 13474073
- 00319015
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- NDL BIB ID
- 4317008
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- Text Lang
- en
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- Data Source
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- JaLC
- NDL Search
- Crossref
- CiNii Articles
- OpenAIRE
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- Abstract License Flag
- Disallowed