| CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES |
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Electron Transport Behavior of Multiferroic Perovskite BiMnO$_{3}$ Prepared by Co-Precipitation Method |
| Hong-Jun Wang, Yuan-Yuan Zhu**, Jing Zhou |
Department of Physics, Shaanxi University of Science and Technology, Xi'an 710021
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| Cite this article: |
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Hong-Jun Wang, Yuan-Yuan Zhu, Jing Zhou 2018 Chin. Phys. Lett. 35 027201 |
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Abstract Perovskite BiMnO$_{3}$ samples are successfully synthesized by the co-precipitation method at relatively low pressure and moderate temperature. The temperature dependences of resistivity are measured and systematically investigated. It is shown that the electrical resistivity increases sharply with the decrease of temperature above 210 K and the fitted results demonstrate that the thermally activated conduction model is the dominant conduction mechanism for the electron transport behaviors in this temperature region. A dual conducting mechanism, i.e., the variable range hopping and thermal activated conduction, is suggested to be responsible for the transport behaviors of BiMnO$_{3}$ in the region of 180–200 K. Moreover, the resistivity increases slightly with the decrease of temperature below 180 K and the transport is governed by the variable range hopping mechanism.
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Received: 10 October 2017
Published: 23 January 2018
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| PACS: |
72.80.Ga
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(Transition-metal compounds)
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72.15.Eb
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(Electrical and thermal conduction in crystalline metals and alloys)
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66.70.Df
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(Metals, alloys, and semiconductors)
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| Fund: Supported by the Key Research Project of Shaanxi University of Science and Technology under Grant Nos 2016GBJ-12 and 2016BJ-59. |
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