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高性能无铅压电材料Ba(Ti_(0.8)Zr_(0.2))O_(3-x)-(Ba_(0.7)Ca_(0.3))TiO_3单晶和薄膜的制备

Study on Pb-Free High-Performance Piezoelectric Material Ba(Ti_(0.8)Zr_(0.2))O_(3-x)(Ba_(0.7)Ca_(0.3))TiO_3 Single Crystal and Thin Films
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摘要 具有三相点准同型相界附近成分的Ba(Ti0.8Zr0.2)O3-x(Ba0.7Ca0.3)TiO3无铅压电材料,具有优异的铁电、压电性能,作为一种具有潜在应用前景的无铅压电材料得到广泛关注。利用溶胶-凝胶法制备了该成分的薄膜以及尝试了利用浮区单晶炉的单晶生长工艺。利用XRD对薄膜和生长的晶体样品进行了物相鉴定;用AFM表征了薄膜的表面形貌;用TFAnalyz-er2000HS铁电测试系统测试了其电滞回线;还分析了气氛对晶体生长和紫外-可见透过光谱的影响。 Pb-free Ba（Ti0.8Zr0.2）O3-x-（Ba0.7Ca0.3）TiO3 with Morphotropic Phase Boundary, MPB composition has ex- cellent piezo-and ferroelectric properties, therefore it has received extensive attention as its potential application. In this paper, the film with MPB composition was fabricated by sol-gel method and single crystal was also tried by floating-zone method. The phase was confirmed by XRD, and surface morphology was characterized by AFM. The electric hysteresis loop was measured by TFAnalyzer2000HS. Finally, we analyzed the influence of growth atmosphere on the crystal quality and ultraviolet-visible transmittance spectrum.
作者 王增梅 赵宽 郭新立
机构地区 东南大学材料科学与工程学院
出处 《中国材料进展》 CAS CSCD 2012年第4期34-38,25,共6页 Materials China
基金 国家自然科学基金资助项目(51002029) 科技部973计划项目(2012CB619401) 教育部博士点基金(20100092120039) 东南大学人才引进基金(4012001020 4012001013)
关键词 准同型相界 三相点 Ba(Ti0.8Zr0.2)O3-x-(Ba0.7Ca0.3)TiO3无铅压电材料 单晶 薄膜 morphotropic phase boundary triple point Pb-free Ba（Ti0．8Zr0．2）O3-x-（Ba0．7Ca0．3）TiO3 piezoelectric material single crystal thin film
分类号 TM282 [一般工业技术—材料科学与工程]
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参考文献23

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中国材料进展
2012年 第4期

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