A magnetoelectric multiglass state in multiferroic YbFe 2O 4

Y. Sun, Y. Liu, F. Ye, S. Chi, Y. Ren, T. Zou, F. Wang, L. Yan

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Abstract

A multiglass state in which two distinct glassy phases coexist has been identified in multiferroic YbFe 2O 4. A collective magnetic freezing, as evidenced by AC susceptibility, magnetization, and coercivity measurements, develops at a freezing temperature T F ∼ 80 K. Meanwhile, the low-temperature dielectric and pyroelectric measurements suggest that an electric polar-glass state develops at the same freezing temperature. The simultaneous freezing of spin and polar clusters implies a strong magnetoelectric coupling and leads to a magnetoelectric multiglass state.

Original languageEnglish
Article number07D902
JournalJournal of Applied Physics
Volume111
Issue number7
DOIs
StatePublished - Apr 1 2012

Funding

This work was supported by the Natural Science Foundation of China under Grant Nos. 11074293, 50831006, and 51021061 and the National Key Basic Research Program of China under Grant No. 2011CB921801.

FundersFunder number
National Natural Science Foundation of China50831006, 51021061, 11074293
National Natural Science Foundation of China
National Key Research and Development Program of China2011CB921801
National Key Research and Development Program of China

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