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Journal Articles

Nanoscale relaxation in "Water-in-Salt" and "Water-in-Bisalt" electrolytes

Gonzal$'e$z, M. A.*; Borodin, O.*; Kofu, Maiko; Shibata, Kaoru; Yamada, Takeshi*; Yamamuro, Osamu*; Xu, K.*; Price, D. L.*; Saboungi, M.-L.*

Journal of Physical Chemistry Letters (Internet), 11(17), p.7279 - 7284, 2020/09

 Times Cited Count:9 Percentile:80.06(Chemistry, Physical)

Journal Articles

Coherent magnetization rotation of a layered system observed by polarized neutron scattering under grazing incidence geometry

Maruyama, Ryuji; Bigault, T.*; Saerbeck, T.*; Honecker, D.*; Soyama, Kazuhiko; Courtois, P.*

Crystals (Internet), 9(8), p.383_1 - 383_13, 2019/08

 Times Cited Count:4 Percentile:52.96(Crystallography)

The in-plane magnetic structure of a layered system composed of polycrystalline grains smaller than the ferromagnetic exchange length was studied to elucidate the mechanism controlling the magnetic properties considerably different from the bulk using polarized neutron scattering under grazing incidence geometry. The measured result, together with quantitative analysis based on the distorted wave Born approximation, showed that the in-plane length of the area with uniform orientation of moments ranging from 0.5 to 1.1 $$mu$$m is not significantly varied during the process of demagnetization followed by remagnetization. The obtained behavior of moments is in good agreement with the two-dimensional random anisotropy model where coherent magnetization rotation is dominant.

JAEA Reports

Reports on JAEA's Reimei Research Program; April 1, 2011 - March 31, 2012

Nagame, Yuichiro

JAEA-Review 2012-036, 27 Pages, 2012/10

JAEA-Review-2012-036.pdf:2.11MB

The summaries of the 5 research projects conducted through the Reimei Research Program are published for the growth and development of the new researches.

JAEA Reports

Reports on JAEA's Reimei Research Program; April 1, 2010 - March 31, 2011

Nagame, Yuichiro

JAEA-Review 2011-031, 27 Pages, 2011/08

JAEA-Review-2011-031.pdf:2.39MB

This is a report of research results achieved through the five research projects, which were implemented as the Reimei Research Program of FY2010. The report is presented with the aim of development of atomic energy science research.

Journal Articles

Magnetization dynamics in the normal and superconducting phases of UPd$$_2$$Al$$_3$$, 1; Surveys in reciprocal space using neutron inelastic scattering

Hiess, A.*; Bernhoeft, N.*; Metoki, Naoto; Lander, G.*; Roessli, B.*; Sato, Noriaki*; Aso, Naofumi*; Haga, Yoshinori; Koike, Yoshihiro*; Komatsubara, Takemi*; et al.

Journal of Physics; Condensed Matter, 18(27), p.R437 - R451, 2006/07

 Times Cited Count:31 Percentile:33.53(Physics, Condensed Matter)

This topical review presents results from neutron inelastic scattering experiments on single crystals of UPd$$_2$$Al$$_3$$. We present a detailed and complete characterization of the wave vector- and energy-dependent magnetization dynamics in UPd$$_2$$Al$$_3$$ as measured by neutron inelastic scattering primarily in the form of extensive surveys in energy-momentum space under a wide range of experimental conditions, and put our observations in context with data that has been published previously by two independent groups. This study yields unique insight into the low-temperature ground state, which exhibits a microscopic coexistence of antiferromagnetism and superconductivity, makingUPd$$_2$$Al$$_3$$ one of the most accessible heavy-fermion superconductors that can be fully characterized by neutron spectroscopy.

Oral presentation

Renewed polarized neutron options on the triple-axis spectrometer TAS-1 at JAEA

Takeda, Masayasu; Nakamura, Mitsutaka; Kakurai, Kazuhisa; Leli$`e$vre-Berna, E.*; Tasset, F.*; Regnault, L.-P.*

no journal, , 

no abstracts in English

Oral presentation

3-D polarization analysis investigation on frustrated spin and multiferroic systems

Kakurai, Kazuhisa; Takeda, Masayasu; Matsuda, Masaaki; Wakimoto, Shuichi; Kajimoto, Ryoichi; Leli$`e$vre-Berna, E.*; Tasset, F.*; Nakamura, Mitsutaka; Osawa, Akira*

no journal, , 

Recent 3-dimensional polarization investigations using CRYOPAD at JRR-3, JAEA, will be reviewed. Results on CdCr$$_{2}$$O$$_{4}$$, a frustrated spin system with pyrochlor structure, and YMnO$$_{3}$$, a multiferroic system with spin chirality, are presented and the importance of this advanced polarization analysis method is discussed.

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