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 language | English |
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Article number | 07D902 |
Journal | Journal of Applied Physics |
Volume | 111 |
Issue number | 7 |
DOIs | |
State | Published - 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.
Funders | Funder number |
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National Natural Science Foundation of China | 50831006, 51021061, 11074293 |
National Natural Science Foundation of China | |
National Key Research and Development Program of China | 2011CB921801 |
National Key Research and Development Program of China |