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Magneto-electric behaviors of La0.67−xNdxSr0.33MnO3 system

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Abstract

The polycrystalline samples La0.67−xNdxSr0.33MnO3 (x = 0.1, 0.2, 0.3, 0.4, 0.5) were prepared by standard solid-state reaction method, and the M–T curves, electron spin resonance (ESR) curves, infrared spectra, Raman spectra, ρ–T curves and MR–T curves of the compounds above were measured. The results show that single phase can be obtained at different Nd substitution ratios, and with the increase in Nd doping, the magnetic structure of the system transforms from long-range ferromagnetic order to spin cluster glass state and antiferromagnetic state; and the phase separation appears in the samples with x = 0.3 and 0.4. The transport property exhibits variation with the increase in Nd doping, and the electric behavior of the sample transforms (from metal state to insulator–metal transition, and then insulator state) is accompanied by colossal magnetoresistance (CMR) effect, which can be attributed to the different couplings of sublattices induced by Nd doping and the interface tunneling effect related to the spin.

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Acknowledgments

This study was financially supported by the Key Programme of Grand Basic Research Programme of China (No.2007CB925001), the National Key Basic Research Programme of China (No. 001CB610604), the Grand Natural Science Research Programme of Anhui Education Department (Nos. ZD2007003-1 and KJ2010A074), and the Anhui Provincial Natural Science Foundation (No. 1308085MA11).

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Authors and Affiliations

  1. College of Machinery and Automobile Engineering, Anhui Polytechnic University, Wuhu, 241000, China

    Ning Liu

  2. College of Chemistry and Materials Engineering, Anhui Science and Technology University, Fengyang, 233100, China

    Teng Guo

  3. Anhui Key Laboratory of Spin Electron and Nanomaterials (Cultivating Base), Suzhou College, Suzhou, 234000, China

    Ning Liu, Guo-Qing Yan, Guang Zhu & Huan-Yin Guo

  4. National Laboratory of Solid State Microstructures, Nanjing University, Nanjing, 210093, China

    Guo-Qing Yan

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  1. Ning Liu
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  2. Teng Guo
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  4. Guang Zhu
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Correspondence to Teng Guo.

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Liu, N., Guo, T., Yan, GQ. et al. Magneto-electric behaviors of La0.67−xNdxSr0.33MnO3 system. Rare Met. 41, 1357–1363 (2022). https://doi.org/10.1007/s12598-015-0538-x

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  • DOI: https://doi.org/10.1007/s12598-015-0538-x

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