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Coexistence of sign reversal of both magnetization and exchange bias field in the core-shell type nanoparticles
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10.1063/1.3453530
/content/aip/journal/apl/96/24/10.1063/1.3453530
http://aip.metastore.ingenta.com/content/aip/journal/apl/96/24/10.1063/1.3453530
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) TEM image of the nanoparticles. (b) HRTEM image of four particles with a central carbon coated Cu grid.

Image of FIG. 2.
FIG. 2.

(a) Temperature dependent ZFC and FC magnetizations under . The inset shows an enlarged view of the ZFC peaks under , 0.05, and 0.1 T. (b) Cooling field dependent (open circle) and (open square) at 200 K. Inset shows vs plot at 5 K. (c) vs plot under (closed circles) and vs plot under (crosses). The solid lines are a guide for the eye.

Image of FIG. 3.
FIG. 3.

(a) Field dependent TRM and IRM. The TRM data at 5 K are fitted (solid line) using the power law, , while the dotted line joining the IRM data is a guide for the eye. [(b) and (c)] Schematic diagrams to explain the sign reversal of magnetization and . The darker and lighter parts represent the shell and core of the nanoparticles, respectively. Presence of and (from the core) at the interface is shown in (b) and (c), respectively.

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/content/aip/journal/apl/96/24/10.1063/1.3453530
2010-06-18
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Coexistence of sign reversal of both magnetization and exchange bias field in the core-shell type La0.2Ce0.8CrO3 nanoparticles
http://aip.metastore.ingenta.com/content/aip/journal/apl/96/24/10.1063/1.3453530
10.1063/1.3453530
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