换能材料的一种，具有电致伸缩特性的压电晶体。主要应用在声波、超声波换能器中的一种材料。主要包括钛酸钡类陶瓷、铁磁晶体、多晶体以及铁氧体类的烧结材料等。
The electronic properties of the heterojunctions between the ferroelectric crystal SrTiO_3 and photoelectric material GaAs and GaP are systematically studied by the first-principles calculations of the pseudo potential plane wave based on density functional theory.
本文采用基于密度泛函理论的第一性原理赝势平面波方法，研究了铁电晶体SrTiO_3分别与化合物半导体GaAs和GaP构成的异质结构的电子特性。
参考来源 - SrTiO·2,447,543篇论文数据，部分数据来源于NoteExpress
本发明是一种用于铁电晶体表面电畴结构检测的静电微粒显示剂及其检测方 法。
The invention is a static particle displaying agent for detecting ferroelectric crystal surface electric domain structure and the detecting method thereof.
本文利用铁电晶体自发极化产生的强大周期性表面势，首次提出新的自由电子激光原理。
A new principle for free electron lasers is proposed for the first time by using very strong surface periodic potential caused by the spontaneous polarization of ferroelectric single crystals.
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