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Journal Article

Exchange bias effect and glassy-like behavior of EuCrO3 and CeCrO3 nano-powders

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Kremer,  R. K.
Former Scientific Facilities, Max Planck Institute for Solid State Research, Max Planck Society;

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Razavi,  F.
Scientific Facility Thin Film Technology (Gennady Logvenov), Max Planck Institute for Solid State Research, Max Planck Society;
Former Scientific Facilities, Max Planck Institute for Solid State Research, Max Planck Society;

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Citation

Taheri, M., Kremer, R. K., Trudel, S., & Razavi, F. (2015). Exchange bias effect and glassy-like behavior of EuCrO3 and CeCrO3 nano-powders. Journal of Applied Physics, 118(12): 124306.


Cite as: https://hdl.handle.net/21.11116/0000-000E-CD6E-1
Abstract
The magnetic properties of nano-sized EuCrO3 and CeCrO3 powders, synthesized by a solution combustion method, were investigated using DC/AC magnetization measurements. An exchange bias effect, magnetization irreversibility and AC susceptibility dispersion in these samples provided evidence for the presence of the spin disorder magnetic phase. The exchange bias phenomenon, which is assigned to the exchange coupling between the glassy-like shell and canted antiferromagnetic core, showed the opposite sign in EuCrO3 and CeCrO3 at low temperatures, suggesting different exchange interactions at the interfaces in these compounds. We also observed a sign reversal of exchange bias in CeCrO3 at different temperatures. (C) 2015 AIP Publishing LLC.