Possible Magnetic Structure with a Tilted Helical Plane in SmBe<sub>13</sub> Probed by <sup>9</sup>Be-NMR Study
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- タイトル別名
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- Possible Magnetic Structure with a Tilted Helical Plane in SmBe13 Probed by 9Be-NMR Study
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9Be-NMR measurements were performed using single crystalline SmBe13 in order to investigate a magnetic structure of a low-temperature ordering state microscopically. We observed a spectral broadening in the ordered state, and the broadened spectral shape depends on the magnetic field directions. By comparing the experimentally obtained and simulated NMR spectra for magnetic fields along the cubic [001] and [011] directions, we argue a helical structure with a basal plane tilted from the (001) plane in low-field ordering region under the assumption of a helical with a propagation vector of (0, 0, 1/3) found in other RBe13 compounds (R = rare earths). Such a tilted helical structure is explained by a combination of an ellipse helical in the (001) plane and a longitudinal magnetic density wave along the [001] direction. Considering a magnetic easy axis parallel to [001] revealed by the magnetization measurements, the peculiar helical structure in SmBe13 may be built on delicate balance among exchange interactions, dipole-dipole interaction, and single-ion magnetic anisotropy due to the crystalline electric field.
収録刊行物
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- Journal of the Physical Society of Japan
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Journal of the Physical Society of Japan 90 (9), 093701-, 2021-09-15
Physical Society of Japan
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詳細情報 詳細情報について
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- CRID
- 1050856428650140032
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- NII論文ID
- 210000159219
- 40022680196
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- NII書誌ID
- AA00704814
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- ISSN
- 13474073
- 00319015
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- HANDLE
- 2115/86742
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- NDL書誌ID
- 031677484
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- 本文言語コード
- en
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- 資料種別
- journal article
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- データソース種別
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