High-magnetic field
Superconducting magnet
7T superconducting magnet (vertical magnetic field)
Production company: Scientific MAGNETICS
Maximum magnetic field：± 6.85 T
Bore diameter：50 mm
Temperature range：3～300 K（attainable lowest temperature：1.5 K＠VTI、Single shot：1.07 K＠VTI）
Available scattering angle range：±10°（vertical）、330°（horizontal）
Attachment size：[Vacuum chamber] JIS800 flange, [Sample stage] 700 mm in diameter
・Aluminum window
・ω rotation（±180°）
・Usually, liquid He is added every two days.
・It takes about 2 days to prepare the magnet for the experiment.
・The dilution refrigerator insert is available.
Used instruments：BL01（max. 3.5 T）, BL14（max. 4 T）, BL15. BL17, BL18（max. 6.8 T）
The maximum magnetic field is determined by the magnetic environment on the beam line.
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Pulsed magnet
Pulsed power supply with a capacitor bank
Assembled in J-PARC
Output current：8 kA（maximum）
Pulse-width：3-6 ms
Repetition rate：one pulse per 10 seconds（fastest）
Charge voltage：2 kV（maximum）
Charge energy：16 kJ
It is transportable.
Used instrument：BL10、BL12
Reference: [1]
Cryostat for the pulsed magnet
Maximum magnetic field：30 T（maximum）
Sample temperature：3 K (minimum)
Repetition rate：one pulse per 1-10 min
Scattering angle：42°（maximum）
Inductance of the coil：670 μH（@100 Hz）
Size of the coil：Outer diameter: 44 mm, Inner diameter: 14mm, width: 21mm
Cryogenic system：GM refrigerator（HE05RK、ULVAC）
Sample temperature is variable by using a heater.
Used instrument：BL10
If you would like to use the pulsed magnet system, please consult to the MLF SE team.
Reference [1]
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Members
<<< Suerconducting magnet >>>
Ryuta Takahashi（JAEA, J-PARC Center）
Motoyuki Ishikado（CROSS）
Yasuhiro Yamauchi（JAEA, J-PARC Center）
Sora Ishimaru（JAEA, J-PARC Center）
Hirotsugu Morimizu（JAEA, J-PARC Center）
Seiko Ohira-Kawamura（JAEA, J-PARC Center）
<<< Pulsed magnet >>>
Masao Watanabe（JAEA, J-PARC Center）
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References
[1] M. Watanabe and H. Nojiri, "Pulsed magnet system at MLF in J-PARC", Journal of Neutron Research, 21 (2019) 39.