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A magnetoelectric multiglass state in multiferroic YbFe2O4
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10.1063/1.3670969
/content/aip/journal/jap/111/7/10.1063/1.3670969
http://aip.metastore.ingenta.com/content/aip/journal/jap/111/7/10.1063/1.3670969
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(Color online) (a) Real part of the AC susceptibility. The static susceptibility χ DC = M/H recorded on warming (4 kOe, zero field cooled) is also plotted. The inset shows the initial M-H curves at selected temperatures, where the measurements were performed after the sample is zero-field cooled (ZFC) from 300 K. (b) Imaginary part of the AC susceptibility. The inset shows the frequency dependence of the low-temperature peak position. All of the data were collected along the c axis.

Image of FIG. 2.
FIG. 2.

(Color online) (a) Real part of the dielectric constant measured at 1, 10, 30, 60, and 100 kHz. The inset shows an expanded view of the low temperature data. (b) Dielectric loss as a function of temperature. The inset shows the differential of the loss tangent as a function of temperature. All of the data were measured along the c axis.

Image of FIG. 3.
FIG. 3.

(Color online) (a) Magnetic coercivity as a function of temperature. Below the spin cluster freezing temperature, TF , coercivity is greatly enhanced. The inset shows M-H loops at representative temperatures. (b) Polarization change induced by the collective freezing of polar clusters. The inset shows the pyroelectric current variation with warming. The sample was cooled down to 30 K in an electric field (5 kV/cm), and then the pyroelectric current was recorded upon heating (3 K/min) without the electric field.

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/content/aip/journal/jap/111/7/10.1063/1.3670969
2012-02-09
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: A magnetoelectric multiglass state in multiferroic YbFe2O4
http://aip.metastore.ingenta.com/content/aip/journal/jap/111/7/10.1063/1.3670969
10.1063/1.3670969
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