Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
2011-08-09
Physics
Condensed Matter
Strongly Correlated Electrons
4 pages, 4 figures
Scientific paper
The Faraday rotation and magneto-optical absorption spectral measurements were conducted to reveal the full-magnetization process and map out a magnetic phase diagram of a typical geometrical frustrated magnet, ZnCr2O4, by using the electromagnetic flux compression method in ultra-magnetic fields up to 600 T. A fully polarized ferromagnetic phase is observed in which the absorption spectra associated with an exciton-magnon-phonon transition disappears. Furthermore, prior to the fully polarized ferromagnetic phase above 410 T, we found a novel magnetic phase above 350 T followed by a canted 3:1 phase.
Miyata Atsuhiko
Sawabe Hironobu
Takeyama Shojiro
Ueda Hiroaki
Ueda Yutaka
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