| 1. | Review of magnetic tunneling junction 磁隧道结的研究进展 |
| 2. | Tunneling spectrum in the normal metal insulating layer s - wave superconductor tunnel junctions 波超导隧道结中的隧道谱 |
| 3. | Magnetoresistance effect of double - barrier magnetic tunneling junction applied in spin transistors 双势垒磁性隧道结的磁电阻效应及其在自旋晶体管中的应用 |
| 4. | Gmr effect is also discoveried in guanular film 、 tunneling junction resistance and spin valve . the 但在这几种巨磁电阻效应中,要数隧道结巨磁电阻效应最引人注目。 |
| 5. | ( 2 ) we investigate the dependence of the conductance on voltage . we find that the curve is approximately horizontal beeline at low voltage , but conic at high voltage ; feni隧道结电导随结电压变化曲线,在低电压下近似一水平直线,高电压下,是一二次曲线。 |
| 6. | Characteristic investigation we use vsm and mts to study the main result as follows : ( 1 ) the hysteresis loop of co / al2o3 / feni mtj is a typical two hc loop 3 )结构特性研究在样品性质研究方面的主要结果: ( l ) co ai八feni隧道结磁滞回线是一典型的隧道结双比曲线。 ( ) co ai 。 |
| 7. | The high efficiency and high power semiconductor laser with multi - active regions , which are cascaded by reverse biased tunnel junction ( s ) can resolve the problems in theory and overcome these shortcomings 通过反向偏置隧道结将多个有源区再生耦合级联起来的新型高效大功率半导体激光器从理论和实践上解决了传统激光器存在的上述问题。 |
| 8. | There are many approaches to achieve the purpose , and one of the perfect them is tunnel - cascaded multi - active regions large cavity ld structure , in which not only the effective thickness of the active region increase but also obtain lds ’ low threshold current and high slope efficiency and other properties 有多种途径实现ld光束特性的改善,其中采用多有源区隧道结级联大光腔结构的半导体激光器是既增加有源区等效厚度而又保证ld低阈值电流和高斜率效率等特性的最佳途径之一。 |
| 9. | We introduce the fabrication of all samples and anneal of fexcu ( 1 - x ) granular film in detail . the configuration of granule film is investigated by scanning tunneling microscope ( stm ) . the matter phase is analyzed by x - ray diffraction ( xrd ) . the hysteresis loop of co / al2o3 / feni magnetic tunnel junction is studied by vibrating sample magnetometer ( vsm ) . we use microresistance test system ( mts ) to investigate the character of resistance , conductance , voltage and current 用扫描电子显微镜( stm )观察颗粒膜样品的表面形貌;用x ?射线衍射仪( xrd )对颗粒膜样品进行物相分析;用振动样品磁强计( vsm )对co al _ 2o _ 3 feni隧道结的磁滞回线作了研究;用微电阻测试系统对样品电阻、电导、电流、电压相关特性进行详细的研究。 |