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Neutron Scattering Study of the Spin Correlation in the Spin Ice System Ho2Ti2O7.
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- Kanada Masaki
- Department of Physics, Division of Material Science, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8602 CREST, Japan Science and Technology Corporation (JST)
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- Yasui Yukio
- Department of Physics, Division of Material Science, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8602 CREST, Japan Science and Technology Corporation (JST)
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- Kondo Yasuyuki
- Department of Physics, Division of Material Science, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8602
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- Iikubo Satoshi
- Department of Physics, Division of Material Science, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8602
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- Ito Masafumi
- Department of Physics, Division of Material Science, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8602 CREST, Japan Science and Technology Corporation (JST)
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- Harashina Hiroshi
- Department of Physics, Division of Material Science, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8602 CREST, Japan Science and Technology Corporation (JST)
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- Sato Masatoshi
- Department of Physics, Division of Material Science, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8602 CREST, Japan Science and Technology Corporation (JST)
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- Okumura Hajime
- Neutron Scattering Laboratory, ISSP, The University of Tokyo, Shirakata 106-1, Tokai, Ibaraki 319-1195
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- Kakurai Kazuhisa
- CREST, Japan Science and Technology Corporation (JST) Neutron Scattering Laboratory, ISSP, The University of Tokyo, Shirakata 106-1, Tokai, Ibaraki 319-1195
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- Kadowaki Hiroaki
- Department of Physics, Tokyo Metropolitan University, Hachioji-shi, Tokyo 192-0397
Bibliographic Information
- Other Title
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- Neutron Scattering Study of the Spin Correlation in the Spin Ice System Ho<sub>2</sub>Ti<sub>2</sub>O<sub>7</sub>
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Description
Intensity distribution of the neutron magnetic scattering has been taken in the reciprocal space of a single crystal of the “spin ice” system Ho2Ti2O7 at the elastic energy position in the temperature (T) region between 0.4 K and 50 K. The short range magnetic correlation becomes appreciable with decreasing T at around 30 K. The freezing of the moment system takes place at around 1.5 K with decreasing T. Based on the mean field treatment of the moment system, the distribution of the observed intensity has been reproduced, where the dipolar interaction is confirmed to be primarily important for the determination of the magnetic correlation. Simple calculations of the scattering intensity carried out by using a cluster of 25 moments of Ho3+ ions indicate that there are many types of the moment arrangement within a cluster which have almost degenerated energies, indicating that the system cannot uniquely select the correlation pattern down to rather low temperature, and before going to the lowest energy state, the system undergoes the gradual slowing down to the glassy state.
Journal
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- Journal of the Physical Society of Japan
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Journal of the Physical Society of Japan 71 (1), 313-318, 2002
THE PHYSICAL SOCIETY OF JAPAN
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Keywords
Details 詳細情報について
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- CRID
- 1390282679162106752
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- NII Article ID
- 210000104038
- 110001971538
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- NII Book ID
- AA00704814
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- BIBCODE
- 2002JPSJ...71..313K
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- ISSN
- 13474073
- 00319015
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- NDL BIB ID
- 6033993
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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