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Journal Articles

Pulsed magnet system at MLF in J-PARC

Watanabe, Masao; Nojiri, Hiroyuki*

Journal of Neutron Research, 21(1-2), p.39 - 45, 2019/05

Magnetic field acts directly on the spin and the orbital motion of electron in the material and interesting quantum phenomena and phase transition are found in high magnetic field. Recently, experimental equipments using neutron beams in high magnetic field have been rapidly developed. For example, superconducting DC magnet up to 17 T has developed for neutron scattering experiments. Although the sample environment team in the MLF have several DC superconducting magnets up to 7 T as a sample environment apparatus, some users have requested the preparation of higher field magnets. However, another magnet technology is needed to generate higher than 20 T. However, it is difficult to construct such a large system in the MLF from the point of view of construction space. It is practical to employ a pulsed magnetic field as it enables operation of smaller energy as well as downsizing of the instruments. Therefore, we have been developed a compact and movable pulsed magnet system up to 30 T.

Oral presentation

Current status and plan of the beamline common sample environment at J-PARC MLF

Oku, Takayuki; Watanabe, Masao; Kawamura, Seiko; Aso, Tomokazu; Takahashi, Ryuta*; Sakai, Kenji; Yamauchi, Yasuhiro*; Nakamura, Masatoshi*; Munakata, Koji*; Ishikado, Motoyuki*; et al.

no journal, , 

Sample environment (SE) team is organized at the MLF of the J-PARC. SE equipment are prepared and the users are supported by the SE team. SE team consists of sub-team of (1) low temperature & magnetic field, (2) high temperature, (3) high pressure, (4) soft matter, (5) pulsed magnet, (6) light irradiation, (7) $$^{3}$$He spin filter. In this presentation, we will present the current status of the sample environmental equipment, the future plan and the support activities for users.

Oral presentation

Development and application of pulsed magnet system up to 30 tesla for neutron scattering experiment

Watanabe, Masao; Nojiri, Hiroyuki*; Kihara, Takumi*

no journal, , 

Superconducting DC magnet up to 17 Tesla has developed for neutron scattering experiments. Although the sample environment team in the MLF have several DC superconducting magnets up to 7 Tesla as a sample environment apparatus, some users have requested the preparation of higher field magnets. However, another magnet technology is needed to generate higher than 20 Tesla. However, it is difficult to construct such a large system in the MLF from the point of view of construction space. It is practical to employ a pulsed magnetic field as it enables operation of smaller energy as well as downsizing of the instruments. Therefore, we have been newly developed a compact and transportable pulsed magnet system up to 30 Tesla.

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