...n):电场作用下,电介质中束缚着的电荷发生位移或者极性按电场方向转动的现象,称为极化 自发极化(Spontaneous polarization):在没有外电场作用时,晶体中存在着由于点偶极子的有序排列而产生 的极化,称为自发极化 铁电性:具有自发极化,并且自发极化能...
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注2:铁电性: 所谓的铁电性(ferroelectricity),使指材料本身在外电场之下,具备自发性极化(spontaneous polarization)及极化转移(polarization transition)的特性.由于晶格结构变形,使离子偏离其平衡位置而形成电偶极矩.
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...特性的研究有压电性的点群中,有十种只具有单一旋转轴,面无垂直于此轴之镜面对称,具有自发极化性(spontaneous polarization),被称为极性晶体(pol=crystal),具有热释电性:这十种点群分别为l、2、3、4,6、nt、m2、3m,4咖、以及6咖.一个晶体具有自发...
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spontaneous polarization method 自然极化法 ; 自发极化法 ; 自然电位法
piezoelectricity and spontaneous polarization 自发极化和压电极化
spontaneous polarization detail 自然极化
spontaneous polarization strength [电子] 自发极化强度
spontaneous electric polarization 极化方向反转
spontaneous E polarization method 自发极化法
Rare-earth substituted Bi_4Ti_3O_(12) thin films of layered-perovskite structure are of large spontaneous polarization and fatigue-free.
稀土掺杂的层状钙钛矿型Bi_4Ti_3O_(12)铁电薄膜自发极化大,抗疲劳。
参考来源 - 层状钙钛矿型Bi·2,447,543篇论文数据,部分数据来源于NoteExpress
The existence of domain walls reduces both the spontaneous polarization and the Curie temperature, and increases the critical size.
畴壁的存在使自发极化和居里温度降低,使临界尺寸增大。
The spontaneous polarization of ferroelectric films was strengthened and then weakened with the increasing of annealing temperature.
此外,随退火温度升高,铁电薄膜的自发极化强度先增强后减弱。
The ferroelectricity means the spontaneous polarization that exists in some materials, and the spontaneous polarization can change its direction when the external electric field alters.
铁电性是指某些物质存在自发电极化现象,并且自发极化矢量取向能随着外电场而改变。
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