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Particle size dependent hysteresis loss in La0.7Ce0.3Fe11.6Si1.4C0.2 first‐order systems
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10.1063/1.3684244
/content/aip/journal/apl/100/7/10.1063/1.3684244
http://aip.metastore.ingenta.com/content/aip/journal/apl/100/7/10.1063/1.3684244
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Figures

Image of FIG. 1.
FIG. 1.

(Color online) (a) Magnetization isotherms on field increase and decrease for the big (90‐120 μm), middle (50‐90 μm), and small (20‐50 μm) particles, compared to the bulk and (b) the deduced hysteresis loss (enclosed area in a field cycle) as a function of temperature for the corresponding samples.

Image of FIG. 2.
FIG. 2.

(Color online) Temperature dependent magnetization (M‐T curve) under 200 Oe for the fine powder with size smaller than 10 μm (average ∼ 4 μm). Lower inset shows the M‐T curve in the semi‐log plot. Upper inset presents M‐T curve of the bulk for comparison.

Image of FIG. 3.
FIG. 3.

(Color online) X‐ray diffraction data for the fine powder with size smaller than 10 μm (average ∼ 4 μm). Left inset shows XRD data collected step by step (step: 0.02°) from 43° to 48°. Right inset is the SEM photograph of the sample.

Image of FIG. 4.
FIG. 4.

(Color online) (a) Magnetization isotherms on field increase and decrease and (b) magnetic entropy change as a function of temperature under different magnetic fields for the fine powder with size smaller than 10 μm (average ∼ 4 μm).

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/content/aip/journal/apl/100/7/10.1063/1.3684244
2012-02-14
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Particle size dependent hysteresis loss in La0.7Ce0.3Fe11.6Si1.4C0.2 first‐order systems
http://aip.metastore.ingenta.com/content/aip/journal/apl/100/7/10.1063/1.3684244
10.1063/1.3684244
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