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PMN-PT单晶铁电畴的扫描探针显微术

ISSN号：1000-985X
期刊名称：Rengong Jingti Xuebao/Journal of Synthetic Crystal
时间：0
页码：85-89
语言：英文
分类：TN16[电子电信—物理电子学] TQ630.72[化学工程—精细化工]
作者机构：[1]Shanghai Institute of Ceramics, Chinese Academy of Sciences Shanghai 200050, [2]Kunming Institute of Physics Kunming 650223
相关基金：This work was supported by the National High-Technology Research ＆ Development Program of China （2007AA03Z330）, the National Science Foundation of China （10774113）, the National Key Development Program for Basic Research of China （2009CB623305）, the Foundation for Innovative Research Groups of the National Natural Science Foundation of China （50821004） and the Nanotechnology Project of Shanghai Science and Technology Committee （0852nm06900）, by the National Research Foundation of Korea （NSFC-KOSEF）, and the National Natural Science Foundation of China （NSFC）.
相关项目：高分辨率的扫描探针声显微镜

关键词：电声显微镜, 铁电材料, 扫描探针, 低频率, 高分辨率, 近场, 应用, 原子力显微镜

中文摘要：

低频率(在 100 kHz 下面，甚至击倒到几百 Hz ) 近地的扫描探查声学的显微镜学(垃圾) 成功地基于商业原子力量显微镜被开发，提供一个表面下的深度侧面信息并且象 nanoscale 一样空间分辨率直到几 nm。垃圾成功地局部地习惯于图象铁电体材料的域配置和另外的 materials.Ferroelectric 域结构的表面下的结构和埋葬的结构被扫描探查清楚地设想声学的显微镜学。声学的成像起源在 SPAM 尖端下面以在激动的声学的波浪和本地结构之间的相互作用被讨论。这被期望扫描探查在材料无疑充实我们在 submicro- 理解铁电性和弹性的性质的到铁电体和其它的申请的声学的显微镜学，甚至纳米规模。

英文摘要：

Low-frequency （below 100 kHz, even down to several hundred Hz） near-field scan- ning probe acoustic microscopy （SPAM） was successfully developed based on the commer- cial atomic force microscope, providing a subsurface depth profile information and as well as nanoscale spatial resolution up to several nm. SPAM was successfully used to image locally domain configurations of ferroelectric materials and subsurface structures of other materials. Ferroelectric domain structures and the buried structures were clearly visualized by scanning probe acoustic microscopy. The acoustic imaging origin is discussed in terms of interaction between the excited acoustic wave and local structures beneath the SPAM tip. It is expected that the scanning probe acoustic microscopy in application to ferroelectrics and other materials undoubtedly enrich our understanding the nature of ferroelectricity and elasticity at submicro-, even nano-meter scale.