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。
Then , according to the established structure , the parameters of the optical switch were modeled and optimized . the thickness , roughness , verticalness of the mirror was analyzed and designed . finally , the rectangular magnetic material was selected for the electromagnet thirdly , the parameters were optimized by ansys software and the performance of the optical switch was analyzed 首先根据电磁铁的非线性特性和梁的抗弯曲力的线性特性，设计出磁力驱动悬臂梁式光开关结构，然后根据提出的结构，从理论上对悬臂梁的参数进行模拟分析选出合适的悬臂梁参数，紧接着分析平面镜的厚度、表面粗糙度、垂直度对光开关性能的影响；最后对磁路系统，明确选择具有矩形磁滞回线的材料，设计出电磁铁的结构。
3 we use vsm , for annealing and do not annealing sample have gone on magnetic properties measure , combination origin software shows for the loop analysis of magnetic hysteresis : do not coercivity of annealing pellet membrane between38 . 898oe and 96 . 487oe , the coercivity of annealing sample between 30 . 327oeand91 . 591oe 3 、用vsm对退火和未退火样品进行了磁性能测量，结合origin软件对磁滞回线分析表明:未退火颗粒膜的矫顽力在38 . 898oe ~ % . 4870e之间，退火样品的矫顽力在30 . 327oe ~引
