| 1. | Transport of spin - polarized quantum in a mesoscopic
介观环中的自旋极化量子输运 |
| 2. | Relativistic spinpolarized local density functional calculations have been performed for hgba
运用相对论的自旋极化局域密度函数方法计算了hgba |
| 3. | In order to obtain molecule - based magnets , the first important step is to synthesize molecular entities with a large spin in the ground state
作者结合本课题组的工作，总结了合成高自旋基态分子的几种重要模型，包括磁轨道正交、自旋极化、非正规自旋态及自旋失措模型。 |
| 4. | For experimental measurement . the spin density distributions are in detail discussed on the basis of mulliken population analysis , taking into account the coexistence of spin delocalization and spin polarization mechanisms . for
密度泛函自旋密度自旋极化自旋离域分子磁性中图分类号： |
| 5. | It is found that the current amplification coefficient strongly depends on the spin polarization of the electrons injected from the emitter to the base , the spin relaxation time and the width of the base
自旋晶体管中的电流放大系数主要取决于注入基区的自旋极化电子的极化程度，基区中自旋的驰豫时间及基区的宽度。 |
| 6. | Work is focused on understanding the macroscopic properties in terms of microscopic mechanisms , in the novel binary composite with different geometric ( shape and size ) , electrical and magnetic particles
颗粒的复合材料。我们重点研究了这两类不同几何形状和大小、自旋极化和导电性能相差甚远的两相复合材料的磁输运性质。 |
| 7. | Using above method with theories , we have computed the magnetic exchange coupling constants j values about ( vivo ) cr [ 1 ( cn ) 6 ] 2 / 3 . 10 / 3h2o compound and [ mo2 ( cn ) 11 ] 5 compound , respectively . the j values are equal to - 42 . 36cm - 1 and - 111 . 46cm - 1 , respectively
然后，分别对这两种配合物自旋密度分布加以分析，两种配合物中金属离子上的成单电子几乎是定域的，其自旋极化占主导作用。 |
| 8. | The mram needs to be of a large magnetoresistance ( mr ) effect at room temperature and lower magnetic field , in order to demands of practical application . however , the large tunneling mr effect is strongly dependent upon electrode material , which is of high spin polarization
采用高自旋极化率( p )的材料是产生大的隧穿磁电阻( tmr )效应的关键之一，而半金属( half - metal )铁磁材料的自旋极化率p理论上可达100 。 |
| 9. | The photo - induced phase transition of the different light intensities , photo - energies and directions of the polarized light is investigated . it suggested that the photo excites the down spin eg electrons and destroys the spin order system of the thin films . the relation between the he - ne laser reflectivity of the thin film , applied current and resistance was analyzed by the optics theory of solid state physics
光子通过激发e _ g向下电子的跃迁，从而改变材料自旋极化方向，影响体系的输运行为；首次研究了cmr薄膜的激光反射率和偏置电流的关系，并用固体光学理论对其定性分析，表明反射率的变化是由于电场引起材料的晶格畸变，改变了极化率，从而导致材料的折射率和反射率发生改变。 |
| 10. | Fe _ 3o _ 4 is a kind of classic half - metallic material . it has the highest spin polarization about 84 % measured in room temperature and provides curie temperature with 858k . at present , the characteristics for single - crystalline fe _ 3o _ 4 films have been researched in detail but polycrystalline fe _ 3o _ 4 film is seldom researched
四氧化三铁( fe _ 3o _ 4 )是典型的半金属材料,它是室温测量条件下自旋极化率最高的半金属材料,极化率高达84 % ,而且具有高达860k的居里温度。 |
