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S
(A = Cd, Mg) probed by 
SRHigemoto, Wataru; Ito, Takashi; Koda, Akihiro*; Iritani, Kenshi*; Halim, M.*; Nakatsuji, Satoru*
no journal, ,
Varieties of magnetic states are seen in spinel structural magnets due to spin frustration effect. In particular, much attention is paid on recent study on pyrochlore structural magnet with rare-earth elements because interesting spin state, spin ice or other state, is observed. We have studied on spinel magnet AYbS to clarify the magnetic ground state by means of muon spin relaxation method. In our measurement, static magnetic ordering state was clearly observed.
Se (A=Cd, Mg) probed by SRHigemoto, Wataru; Ito, Takashi; Iritani, Kenshi*; Halim, M.*; Nakatsuji, Satoru*
no journal, ,
A spinel structural system shows a variety of the magnetic state due to its frustration effect. Up to now, we have studied the magnetic ground state of spinel structural system AYbS(A=Cd, Mg) by using muon spin relaxation method and observed the appearance of the magnetic ordering state below 2K in CdYbS and 1.5K in MgYbS. For systematic study of the frustration effect, we are measuring muon spin relaxation in same structural compounds AYbSe (A=Cd, Mg). In CdYbSe, the local magnetic field was observed below 2K. In the presentation, we will discuss the detail of the magnetic state.