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Memory effects in superparamagnetic La0.6Pb0.4MnO3 nanoparticles

  • Solid State and Materials
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Abstract

Using different temperature and field protocols, the memory behaviors in the dc magnetization and magnetic relaxation are observed at temperature below blocking temperature TB = 93 K in weakly interacting manganite La0.6Pb0.4MnO3 nanoparticles. The results indicate that the magnetic dynamics of this nanoparticle system is strongly correlated with a wide distribution of particle relaxation times, which may arise from the particle weak interaction and distribution of the particle size.

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Authors and Affiliations

  1. Key Laboratory of Materials Physics, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei, 230031, China

    T. Zhang, X. P. Wang & Q. F. Fang

  2. 1.Physikalisches Institut, Universität Stuttgart, Pfaffenwaldring 57, 70550, Stuttgart, Germany

    T. Zhang & M. Dressel

  3. Hefei National Laboratory for Physical Sciences at Microscale, and Department of Physics, University of Science and Technology of China, Anhui, Hefei, 230026, China

    X. G. Li

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  1. T. Zhang
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  2. X. G. Li
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  3. X. P. Wang
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  4. Q. F. Fang
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Correspondence to T. Zhang.

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Zhang, T., Li, X., Wang, X. et al. Memory effects in superparamagnetic La0.6Pb0.4MnO3 nanoparticles. Eur. Phys. J. B 74, 309–312 (2010). https://doi.org/10.1140/epjb/e2010-00094-5

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  • DOI: https://doi.org/10.1140/epjb/e2010-00094-5

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