A single-solenoid pulsed-magnet system for single-crystal scattering studies

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2012-01-01
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Islam, Zahirul
Capatina, Dana
Ruff, Jacob
Das, Ritesh
Trakhtenberg, Emil
Nojiri, Hiroyuki
Narumi, Yasuo
Welp, Ulrich
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Abstract

We present a pulsed-magnet system that enables x-raysingle-crystaldiffraction in addition to powder and spectroscopic studies with the magnetic field applied on or close to the scattering plane. The apparatus consists of a single large-bore solenoid, cooled by liquid nitrogen. A second independent closed-cycle cryostat is used for cooling samples near liquid helium temperatures. Pulsed magnetic fields close to ∼30 T with a zero-to-peak-field rise time of ∼2.9 ms are generated by discharging a 40 kJ capacitor bank into the magnet coil. The unique characteristic of this instrument is the preservation of maximum scattering angle (∼23.6°) on the entrance and exit sides of the magnet bore by virtue of a novel double-funnel insert. This instrument will facilitate x-ray diffraction and spectroscopic studies that are impractical, if not impossible, to perform using split-pair and narrow-opening solenoid magnets. Furthermore, it offers a practical solution for preserving optical access in future higher-field pulsed magnets.

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The following article appeared in Review of Scientific Instruments 83 (2012): 035101 and may be found at http://dx.doi.org/10.1063/1.3688251.

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Sun Jan 01 00:00:00 UTC 2012
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