A 30 T pulsed magnet with conical bore for synchrotron powder diffraction

J Billette; F Duc; P Frings; M Nardone; A Zitouni; C Detlefs; T Roth; W Crichton; J E Lorenzo; G L J A Rikken

doi:10.1063/1.3701830

A 30 T pulsed magnet with conical bore for synchrotron powder diffraction

Rev Sci Instrum. 2012 Apr;83(4):043904. doi: 10.1063/1.3701830.

Authors

J Billette¹, F Duc, P Frings, M Nardone, A Zitouni, C Detlefs, T Roth, W Crichton, J E Lorenzo, G L J A Rikken

Affiliation

¹ Laboratoire National des Champs Magnétiques Intenses, CNRS-INSA-UJF-UPS, 143, avenue de Rangueil, F-31400 Toulouse, France.

PMID: 22559546
DOI: 10.1063/1.3701830

Abstract

We report on the design, construction, and operation of a horizontal field, 30 T magnet system with a conical bore optimized for synchrotron x-ray powder diffraction. The magnet offers ±31° optical access downstream of the sample, which allows to measure a sufficiently large number of Debye rings for an accurate crystal structure analysis. Combined with a 290 kJ generator, magnetic field pulses of 60 ms length were generated in the magnet, with a rise time of 4.1 ms and a repetition rate of 6 pulses/h at 30 T. The coil is mounted inside a liquid nitrogen bath. A liquid helium flow cryostat reaches into the coil and allows sample temperature between 5 and 250 K. The setup was used on the European Synchrotron Radiation Facility beamlines ID20 and ID06.