1) conditional spontaneous spin polarization
条件自发自旋极化
2) spin-polarized excitation
自旋极化激发
1.
According to the dispersion relation of ferromagnetic granular film from spin wave excitation and spin-polarized excitation, taking the Fe-SiO2 granular film as a case, the spin wave excitation spectrum is independent of temperature, but the spin-polarized excitation dispersion spectrum is dependent of;and both increase with the wave vector increasing which is discontinuous.
应用颗粒膜中颗粒自旋波激发和自旋极化激发的色散关系表达式,对Fe-SiO2颗粒膜进行了计算,探讨其色散规律。
3) spin polarization
自旋极化
1.
Effect of spin polarization on electron recombination dynamics in bulk intrinsic GaAs;
本征GaAs中电子自旋极化对电子复合动力学的影响研究
2.
Current-induced spin polarization in spin-orbit coupling systems
自旋轨道耦合系统中的电流导致的自旋极化
3.
Relation between charge shot noise and spin polarization governed by Rashba spin orbit interaction
Rashba自旋轨道耦合作用下电荷流散粒噪声与自旋极化的关系研究
4) spin-polarization
自旋极化
1.
The results show that:(i) the spin-polarization of electron can not be produced in the anti-parallel magnetic barriers structure at zero bias voltage;(ii) the energy threshold of electronic transmission are increase with the increases of magnetic field or bias voltage;(iii) the comparison of the electron spin polarization degree is made between.
研究了双磁垒量子结构中,磁场强度和偏压大小对电子自旋极化输运的影响。
2.
By using scattering matrix method,the quantized conductance,spin-polarization,and magnetoresistance in multi-channel ferromagnetic nanowire are calculated.
利用散射矩阵理论,研究了多通道纳米线结构中的量子化电导、自旋极化和弹道磁电阻。
5) spontaneous polarization
自发极化
1.
The spontaneous polarization of ferroelectric films was strengthened and then weakened wi.
结果表明,随退火温度升高,(Pb,La)TiO3铁电薄膜的表面形貌表现出从粘连到结晶较好,到出现抱团的变化过程;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。
2.
The migration distance is closely related to the spontaneous polarization, the size of particle and the direction of polar axis.
结果表明 ,在SEM下用二次电子 (SE)电子束轰击电气石微粒 ,电气石微粒产生自迁移现象 ,迁移距离与自发极化强度、微粒粒径、极性轴方向等因素密切相关。
3.
In view of the pyroelectric performance of PZT95/5 ceramics during the FRL-FRH transition, an analytic formula of spontaneous polarization varying with the temperature during the phase transition was established.
针对PZT95/5陶瓷材料FRL-FRH相变时的热释电特性,建立了相变过程中自发极化随温度变化的定量计算表达式,表达式中的函数级数依据Leibniz交错级数定理,可按照实际要求的精确程度进行级数求和,故利用计算机拟合了自发极化随温度的变化曲线。
6) spin polarization
自旋极化率
1.
The main feature of half_metallic materials is its high spin polarization up to 100%.
半金属材料的一个重要特征为具有高达100%的传导电子自旋极化率。
2.
By using the coherent quantum transport theory and transfer matrix method,the transmission coefficient and spin polarization for polarized electrons with different spin orientations through ferromagnetic/semiconductor/ferromagnetic heterostructures have been investigated.
采用相干量子输运理论和传递矩阵方法,研究了具有不同自旋指向的极化电子渡越铁磁/半导体/铁磁异质结构的隧穿几率和自旋极化率。
补充资料:自旋-自旋弛豫
自旋-自旋弛豫
磁共振成像术语。又称T2弛豫或横向弛豫(transverse relaxation),指垂直于外磁场B0方向的磁化矢量的指数性衰减过程。磁共振成像时,对置于外磁场B0中的自旋系统施加90°射频脉冲,则自旋系统被激励,其净磁化矢量指向与外磁场B0垂直;射频脉冲终止后,被激励的质子与邻近的原子核之间发生相互作用,逐渐失去相位,净磁化矢量指向恢复与外磁场平行,该过程称自旋-自旋弛豫。自旋-自旋弛豫过程无能量交换。
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