Magnetic phase diagram of magnetoelectric CuFeO2 in high magnetic fields.
作者： G. Quirion , M. L. Plumer , O. A. Petrenko , G. Balakrishnan , C. Proust
DOI: 10.1103/PHYSREVB.80.064420
关键词:
摘要: A series of ultrasonic velocity measurements using both high-field pulsed and conventional superconducting magnets were used to determine the magnetic phase diagram magnetoelectric ${\text{CuFeO}}_{2}$ up 53 T. The results clearly indicate a previously undetected transition at about 49 T below 10 K. Analysis Landau-type free energy suggests that this new boundary is due spin-flop transition.
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