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Akademický článek

Topological transitions among skyrmion- and hedgehog-lattice states in cubic chiral magnets

Autor: Y. Fujishiro, N. Kanazawa, T. Nakajima, X. Z. Yu, K. Ohishi, Y. Kawamura, K. Kakurai, T. Arima, H. Mitamura, A. Miyake, K. Akiba, M. Tokunaga, A. Matsuo, K. Kindo, T. Koretsune, R. Arita, Y. Tokura

Publikováno v: Nature Communications, Vol 10, Iss 1, Pp 1-8 (2019)

Manipulating topological spin textures are demanded for future spintronic devices, but knowledge about phase transitions among different spin textures remain limited. Here, Fujishiro and Kanazawa et al. report chemical-pressure-controlled phase trans

Externí odkaz: https://doaj.org/article/e489a55c73fd4b7f977715dbd4a413ec

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Akademický článek

Magnetization-polarization cross-control near room temperature in hexaferrite single crystals

Autor: V. Kocsis, T. Nakajima, M. Matsuda, A. Kikkawa, Y. Kaneko, J. Takashima, K. Kakurai, T. Arima, F. Kagawa, Y. Tokunaga, Y. Tokura, Y. Taguchi

Publikováno v: Nature Communications, Vol 10, Iss 1, Pp 1-7 (2019)

Mutual control of the electric polarization and magnetization promises for low power consumption spintronic devices but remains challenging. Here the authors show reversal of non-volatile magnetization by electric field as well as the polarization sw

Externí odkaz: https://doaj.org/article/0f8ca15079e5439b81aeb4592cc6649d

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Akademický článek

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The first polarized neutron diffraction experiment at the time-of-flight single crystal neutron diffractometer SENJU at J-PARC

Autor: S Takahashi, R Kiyanagi, R Kobayashi, T Okudaira, T Ino, J Suzuki, K Kakurai, T Oku

Publikováno v: Journal of Physics: Conference Series. 2481:012005

The 3He spin filter has been developed to use pulsed neutrons effectively at J-PARC MLF. In this study, the 3He spin filter was installed in the single crystal neutron diffractometer (BL18 SENJU) at J-PARC MLF as a polarizer of the incident beam, and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::597b2f6f897b7959ecfa70079ecdb5d1
https://doi.org/10.1088/1742-6596/2481/1/012005

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Neutron polarisation correction to triple-axis data with analytical derivations

Autor: Y Nambu, M Enderle, T. Weber, K Kakurai

Polarised neutron scattering is the method of choice to study magnetism in condensed matter. Polarised neutrons are typically very low in flux, and complex experimental configurations further reduce the count rate. Neutron polarisation corrections wo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::12b3f7388a1f700f30202c2a52183499
http://arxiv.org/abs/2006.15758

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Akademický článek

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Akademický článek

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Spin glass behavior in frustrated quantum spin system CuAl

Autor: R, Nirmala, Kwang-Hyun, Jang, Hasung, Sim, Hwanbeom, Cho, Junghwan, Lee, Nam-Geun, Yang, Seongsu, Lee, R M, Ibberson, K, Kakurai, M, Matsuda, S-W, Cheong, V V, Gapontsev, S V, Streltsov, Je-Geun, Park

Publikováno v: Journal of physics. Condensed matter : an Institute of Physics journal. 29(13)

CuAl

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::5bc829f736fc218d730270df06975793
https://pubmed.ncbi.nlm.nih.gov/28140356

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Spin glass behavior in frustrated quantum spin system CuAl2O4 with a possible orbital liquid state

Autor: R Nirmala, Kwang-Hyun Jang, Hasung Sim, Hwanbeom Cho, Junghwan Lee, Nam-Geun Yang, Seongsu Lee, R M Ibberson, K Kakurai, M Matsuda, S-W Cheong, V V Gapontsev, S V Streltsov, Je-Geun Park

Publikováno v: J Phys Condens Matter
Journal of Physics Condensed Matter

CuAl2O4 is a normal spinel oxide having quantum spin, S=1/2 for Cu2+. It is a rather unique feature that the Cu2+ ions of CuAl2O4 sit at a tetrahedral position, not like the usual octahedral position for many oxides. At low temperatures, it exhibits

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d384ab51bebd4d1e5625e70dba222091
http://arxiv.org/abs/1701.08272

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Magnetic excitations and exchange interactions in the spin-gap system TlCuCl 3

Autor: M. Müller, A. Oosawa, H. J. Mikeska, K. Kakurai, Tetsuya Kato, Hidekazu Tanaka

Publikováno v: Applied Physics A: Materials Science & Processing. 74:s846-s849

The magnetic excitations from the gapped ground state in TlCuCl3 have been investigated by means of inelastic neutron scattering experiments. The excitation data were collected along four different directions in the a* – c* plane. A well-defined si

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8719c5c84b1d23ddb49a381514260c1c
https://doi.org/10.1007/s003390201591

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