Antiferro-quadrupole resonance in CeB6

We report experimental observation of a new type of magnetic resonance caused by orbital ordering in a strongly correlated electronic system. Cavity measurements performed on CeB6 single crystals in a frequency range 60-100GHz show that a crossing of the phase boundary TQ(B) between the antiferro-qu...

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Bibliographic Details
Published in:Physica. B, Condensed matter Condensed matter, 2006-05, Vol.378-380, p.602-603
Main Authors: Demishev, S.V., Semeno, A.V., Bogach, A.V., Paderno, Yu.B., Shitsevalova, N.Yu, Sluchanko, N.E.
Format: Article
Language:English
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Summary:We report experimental observation of a new type of magnetic resonance caused by orbital ordering in a strongly correlated electronic system. Cavity measurements performed on CeB6 single crystals in a frequency range 60-100GHz show that a crossing of the phase boundary TQ(B) between the antiferro-quadrupole and paramagnetic phases gives rise to development at T < TQ(B) of a magnetic resonance. The observed mode is gapless and correspond to g-factor 1.62.
ISSN:0921-4526
DOI:10.1016/j.physb.2006.01.160