1) spontaneous polarization
自发极化强度
1.
For pyroelectrics that belongs to ferroelectrics,the relationship p/χ=Ps/C between the pyroelectric coefficient and spontaneous polarization can be obtained according to Devonshire thermodynamic model.
对属于铁电体的热释电体从德文希尔热力学理论模型出发,导出了热释电系数和自发极化强度的关系P/χ=PS/C,测量了LUTGS晶体的p/χ和PS/C分别随温度的变化曲线。
2.
The thickness dependence of the spontaneous polarization and the hysteresis loop of epitaxial PbZr_ 0.
6O3薄膜厚度对其自发极化强度、电滞回线的影响。
3.
Both transient and stable responses of FLC are given,in order to indicate the relationship between stable azimuth angle,which represent the variety of refractive index induced by electric field,and the typical parameters of FLC(like spontaneous polarization,rotational visco.
以铁电液晶材料的典型参数(自发极化强度、转动粘滞系数以及液晶薄膜厚度)为参变量,给出了稳态方位角(表征外加电场引起的铁电液晶折射率变化)与各参变量间的依赖关系,以及各参变量对调制速率的影响。
2) spin-polarization strength
自旋极化强度
1.
With the Fano factor,We analyse the effect of the Fano and the Kondo resonance on the conductance and the variation of the conductance with the spin-polarization strength and the magnetic flux in both the parallel and the antiparallel lead-polarization alignments.
在左右铁磁电极平行和反平行两种磁组态下,结合Fano因子分析和讨论了Fano和Kondo共振对该系统电导的影响,以及电导随自旋极化强度和磁通的变化。
3) spontaneous magnetization
自发磁化强度
1.
The spontaneous magnetization is calculated to the third order.
利用变分累计展开方法 ,分析了Heisenberg磁性薄膜的自发磁化强度到三级累积展开 。
2.
Using the exact recursion relations derived from the spin model formulated on the Cayley tree,the phase transitions for the Blume-Capel model in the thermodynamic limit are studied,and its spontaneous magnetization is not found at nonzero temperatures.
利用Cayley树上自旋模型的精确递推方法,在热力学极限下研究了Cayley树上Blume-Capel(BC)系统的相变问题,发现系统在非零温区域没有自发磁化强度。
3.
The effects of Mn substitution, Cr substitution and interstitial nitrogen on the structure parameter, the Curie temperature and the spontaneous magnetization of Tb_2AlFe_(16-x)Mn_x, Sm_2Fe_(17-x)Cr_x and Sm_2Fe_(17-x)N_x compounds are analyzed.
对磁性质的研究结果表明随着Mn替代量x的增加,Tb_2AlFe_(16-x)Mn_x化合物的居里温度及自发磁化强度都急剧下降,这可能是3d次晶格中Mn与Fe反铁。
4) Polarization
[英][,pəulərai'zeiʃən] [美][,polərə'zeʃən]
极化强度
1.
On the relationship between polarization and charge;
极化强度与电荷关系的讨论
2.
Hysteresis loops of polarizations versus the applied electric field,the butterfly curve of strain versus the applied electric field in a ferroelectric film subjected to a stress field is simulated using the timedependent Ginzburg-Landau equation,which take surface effect into account.
计算结果显示剩余极化强度值随着压应力的增加而增加,随着张应力的增加而减小。
5) polarization strength
极化强度
1.
XRD indicates that Lanthanum addition increases (110) and (200) diffraction intensity and decreases the relative intensity of (111) diffraction peak which leads the reduction of coercive field and polarization strength of PZT thin film.
研究表明镧掺杂增加了(110)和(200)峰的强度,减小了(111)峰的相对强度,导致矫顽场和极化强度的下降。
6) polarization intensity
极化强度
1.
the border relation of polarization intensity and magnetization intensity have been delivered with a method which differs from general electrodynamics literature and bases on microcosmic physical medium model, and this method is in favor of understanding and boundary value relation from point of view of microcosm.
用和一般电动力学教材不同的方法即在介质经典微观物理模型的基础上推导出了极化强度Pω和磁化强度Mω的边值关系,使得更有利于从微观的角度理解这两个边值关系,并得出了极化电荷分布深度和磁化电流的分布深度都在分子线度的数量级这一结论。
补充资料:自发极化强度
分子式:
CAS号:
性质:每个电畴中原来已经具有的极化强度,常用Ps表示。在电滞回线上可用外推法将场强E=0,所对应的场强即为自发极化强度。钛酸钡等钙钛矿结构的铁电体具有自发极化作用;其结果是出现很高的介电常数。四方型钛酸钡室温下自发极化值为26×10-2Q/m2。日益增多的材料正被发现具有自发极化作用。
CAS号:
性质:每个电畴中原来已经具有的极化强度,常用Ps表示。在电滞回线上可用外推法将场强E=0,所对应的场强即为自发极化强度。钛酸钡等钙钛矿结构的铁电体具有自发极化作用;其结果是出现很高的介电常数。四方型钛酸钡室温下自发极化值为26×10-2Q/m2。日益增多的材料正被发现具有自发极化作用。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条