材料科学
微晶
陶瓷
透射电子显微镜
电场
相变
分析化学(期刊)
凝聚态物理
矿物学
复合材料
纳米技术
冶金
色谱法
量子力学
物理
化学
作者
Xiaoming Liu,Xiaoli Tan
标识
DOI:10.1002/adma.201503768
摘要
Giant electric-field-induced strain of 0.70%, corresponding to a d33 * value of 1400 pm V(-1) , is observed in a lead-free (Bi1/2 Na1/2 )TiO3 -based polycrystalline ceramic. This is comparable to the properties of single crystals. An in situ transmission electron microscopy study indicates that the excellent performance originates from phase transitions under the applied electric fields.
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