Quadrupolar Frustration in Shastry-Sutherland Lattice of DyB_4 Studied by Resonant X-ray Scattering(Condensed Matter : Electronic Structure, Electrical, Magnetic and Optical Properties)
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概要
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We have observed geometrical frustration of quadrupolar and magnetic moments in dysprosium tetraboride, DyB_4, where the rare-earth sites form a Shastry-Sutherland lattice. Resonant X-ray scattering at the L_<III> absorption edge of Dy was utilized. Analysis of the energy, polarization, temperature, and azimuthal-angle dependences of the E1 resonance of the (100) forbidden reflection show that the magnetic and quadrupolar components within the frustrated c plane have a short-range correlation, suggesting that the moments are fluctuating. In contrast, the basic antiferromagnetic component along the c-axis has a long-range order.
- 社団法人日本物理学会の論文
- 2005-09-15
著者
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NAKAO Hironori
Department of Physics, Tohoku University
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MURAKAMI Youichi
Department of Physics, Tohoku University
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MATSUMURA Takeshi
Department of Quantum Matter, ADSM, Hiroshima University
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OKUYAMA Daisuke
Department of Physics, Graduate School of Science, Tohoku University
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Nakao H
Photon Factory Institute Of Materials Structure Science Kek
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Nakao Hironori
Department Of Physics Graduate School Of Science Tohoku University
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Matsumura Takeshi
Adsm Hiroshima University
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Okuyama Daisuke
Department Of Physics Faculty Of Science Tohoku University:(present Office)cross-correlated Material
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Nakao H
Department Of Physics Graduate School Of Science Tohoku University
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Murakami Youichi
Department Of Physics Tohoku University
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Matsumura T
Adsm Hiroshima University
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Nowatari Hiromi
Graduate School Of Science And Engineering Saitama University
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Murakami Youichi
Department Of Aerospace Engineering College Of Engineering Osaka Prefecture University
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Matsumura Takeshi
Department Of Physics Graduate School Of Science Tohoku University
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Matsumura Takeshi
Department Of Cardiovascular Surgery Shin-tokyo Hospital
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Matsumura Takeshi
Department Of Agrobiology And Bioresources Faculty Of Agriculture Hokkaido University
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MURAKAMI Youichi
Department of Physics, Graduate School of Science, Tohoku University
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