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Phase transition properties of a cylindrical ferroelectric nanowire

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Abstract

Based on the transverse Ising model (TIM) and using the mean-field theory, we investigate the phase transition properties of a cylindrical ferroelectric nanowire. Two different kinds of phase diagrams are constructed. We discuss systematically the effects of exchange interactions and the transverse field parameters on the phase diagrams. Moreover, the cross-over features of the parameters from the ferroelectric dominant phase diagram to the paraelectric dominant phase diagram are determined for the ferroelectric nanowire. In addition, the polarizations of the surface shell and the core are illustrated in detail by modifying the TIM parameters.

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Acknowledgements

This work was supported by the Scientific Research Foundation of Civil Aviation University of China (No. 09QD10X), by the Fundamental Research Funds for the Central Universities (ZXH2012N005) and by the 2012 Basic Operational Outlays for the Research Activities of Centric University, Civil Aviation University of China (Grant No. ZXH2012K006).

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Authors and Affiliations

  1. College of Science, Civil Aviation University of China, Tianjin, 300300, China

    WANG YING & YANG XIONG

  2. Institute of Low Dimensional Materials and Technology, Civil Aviation University of China, Tianjin, 300300, China

    YANG XIONG

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  1. WANG YING
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  2. YANG XIONG
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Correspondence to YANG XIONG.

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YING, W., XIONG, Y. Phase transition properties of a cylindrical ferroelectric nanowire. Pramana - J Phys 81, 873–883 (2013). https://doi.org/10.1007/s12043-013-0611-7

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  • DOI: https://doi.org/10.1007/s12043-013-0611-7

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