Torque magnetometry studies of new low temperature metamagnetic states in ErNi2B2C
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The metamagnetic transitions in single-crystal Er Ni2 B2 C have been studied at 1.9 K with a Quantum Design torque magnetometer. The critical fields of the transitions depend crucially on the angle between applied field and the easy axis . Torque measurements have been made while changing the angular direction of the magnetic field (parallel to basal tetragonal ab planes) in a wide angular range (more than two quadrants). Sequences of metamagnetic transitions with increasing field are found to be different for the magnetic field along (or close enough to) the easy  axis from that near the hard  axis. The study have revealed new metamagnetic states in Er Ni2 B2 C, which were not apparent in previous longitudinal-magnetization and neutron studies. © 2008 American Institute of Physics.
author list (cited authors)
Naugle, D. G., Belevtsev, B. I., Rathnayaka, K., Lee, S., & Yeo, S. M.