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JOURNAL OF SYNTHETIC CRYSTALS ›› 2017, Vol. 46 ›› Issue (2): 231-237.

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Research Progress of Negative Thermal Expansion Ferroelectric Crystals

LIU Wen-bin;TIAN Tian;XU Jia-yue   

  • Online:2017-02-15 Published:2021-01-20

Abstract: Recently,negative thermal expansion (NTE) material is a hot topic in material science.In this paper,the progresses and mechanism of negative thermal expansion materials were reviewed.The crystal growth and thermal expansion characteristics of perovskite and tungsten ferroelectric crystals were introduced in detail.The NTE mechanism was discussed based on the ferroelectric phase transition and the potential applications of NTE were suggested.

Key words: Recently,negative thermal expansion (NTE) material is a hot topic in material science.In this paper,the progresses and mechanism of negative thermal expansion materials were reviewed.The crystal growth and thermal expansion characteristics of perovskite and tungsten ferroelectric crystals were introduced in detail.The NTE mechanism was discussed based on the ferroelectric phase transition and the potential applications of NTE were suggested.

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