

Commissioning of our 5 Tesla high-temperature superconducting magnet for neutron reflectometry and small-angle scattering has been completed.
A novel cryogen-free 5 Tesla magnet made of high-temperature BSCCO (bismuth strontium calcium copper oxide) material arrived at ANSTO and was commissioned in December 2007. It was built by the New Zealand company HTS-110.

Donald Pooke (left) and Simon Gibson, from HTS-110, explain aspects of the magnet testing to Frank Klose (far right) from the Bragg Institute.
A sample is mounted in the magnet in a cryofurnace, allowing the sample temperature to be varied from 5 - 700K. The neutron beam can be axial (in line) with the magnetic field or transverse to it. The magnet can be tilted up to 10 degrees and rotated ±16° in the axial direction and ±12° in the transverse direction. The neutron windows (not in place in the photo above) are made of single crystal sapphire
.