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- Local spin polarization 局域自旋极化
- Polaron is the effect carrier of spin polarization transmitting in conducting organic polymer. 极化子是有机高聚物中实现极化电流传输的有效载流子,由此我们可以按照需要来控制自旋的翻转。
- The unpaired electrons in each compound are localized.Their spin polarization dominated.Because of the important of cyano-bridged compounds, we will study them in future. 考虑到氰根桥联配合物的重要作用,在今后的研究中,我们将继续深入研究各种氰根桥联配合物的磁学性质。
- As this misalignment among the electrons grows, the average spin polarization of the population diminishes, which our experiment measures as loss of coherence. 当这种情形增加,整体电子的平均自旋偏极就会减少,而我们的实验就会测量到变调的结果。
- The influence of electrons and relativistic effects on the cross section, angular distribution, and spin polarization parameters of photoelectrons is studied in detail. 我们计算入射光子能量大于的游离阈而小于的游离阈时的光游离截面积,以及光电子角分布参数和自旋极化参数等物理量。
- We introduce the history and background of spintronics research, spin polarization and injection, mechanisms of spin relaxation, spintronic devices and their applications. 我们先建立了半导体量子线的理论模型,引入了二维情况下的Rashba自旋轨道耦合效应和Dresselhaus自旋轨道耦合效应,得到了含磁场和自旋轨道耦合项的薛定谔方程。
- The calculation method for transition state of oscillator strength suggested by Ellis and Gosoinski [Physica Scripta, 9, 104 (1974)] has been modified for considering spin polarization. 为了考虑自旋极化效应;我们修改了Ellis和Goscinski;[Physica Scripta;9;104(1974)]提出的振子强度的过渡态计算方法.
- In this year,it consists of(1) superthin film magnetic material;(2) nano-crystal magnetic alloy;(3) giant magnetoresistive material;(4) spin polarization;(5) new ferrite and rare-earth compound. 今年综述内容包含:(1)超薄膜磁性材料;(2)纳米晶磁性合金;(3)巨磁电阻材料;(4)自旋极化;(5)新的铁氧体和稀土化合物。
- Chromium dioxide (CrO_2) is the half metal with simplest structure whose spin polarization detected by Adreeve reflection reaches to 98.4% at the temperature of 77 K. These characters make it be a potential candidate for fabrication of MTJ devices. 二氧化铬(CrO_2)是结构最简单的一种半金属磁体; 77K 下用Adreeve 反射法测得其自旋极化率达到98.;4%25;与理论预言100%25的自旋极化率十分接近;这些特点使CrO_2 在磁电子学领域具有很好的应用前景。
- The experimental measurements together with the theoretical results indicate that the Bir_Aronov_Pikus (BAP) mechanism plays a dominant role for spin polarization decay, especially in band bending region of GaAs(100). 结果表明;由费米钉扎而引起的能带弯曲明显影响电子的自旋弛豫过程;从实验上观察到了GaAs(100)表面能带弯曲区域的电子自旋翻转时间存在近2个量级的差异(从几纳秒到几十皮秒);基于电子_自旋交换相互作用的BAP机理在自旋弛豫过程中起着主导作用.
- The relation of the variations of the angular distribution, and spin polarization parameters in the vicinity of each resonance to the positions and widths of these doubly-excited states are studied. 我们详细探讨在这些激发共振态附近角分布参数和自旋极化参数的变化,以及其与共振态的位置与宽度的关系。
- A spin polarizer is a device that allows atoms of only one definite spin orientation to pass through it. 自旋偏振器是这样一种装置,它只允许具有某一确定自旋取向的原子通过。
- current-induced spin polarization 电流诱导的自旋极化
- Keywords spin polarization;TRPM;density matrix; 电子自旋极化;TRPM;密度矩阵;
- A syndicate of local businessmen is bidding for the contract. 一个当地企业家的联合组织在向这一合同投标。
- My husband is a history teacher at the local school. 我丈夫是本地学校的一位历史教师。
- His son was indentured to the local blacksmith. 他的儿子拜当地的铁匠为师签订了师徒合同。
- Barry is the new news hawk at the local newspaper. 巴利是这家地方报纸最新聘任的新闻记者。
- I booked my holiday through my local travel agent. 我是由本地的旅游代理人预先安排的度假事宜。
- He's a paint sprayer in the local factory. 他在当地工厂当喷漆工。