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2篇 您的检索式:作者名="YAN Minglang"
    题名 作者 年代 出处 被引量
1Giant Magnetoresistance of Fe/Ag Multilayer Films with Ultrathin Fe Layers显示文摘A giant magnetoresistive effect in as-deposited Fe/Ag multilayer films with ultrathin Fe layers has been observed.The magnetoresistance in this system is presented first as a function of Fe layer thickness tFe.The sample with Fe layer thickness of 4Åexhibits a magnetoresistance ratio as large as 14.3%at 4.2K.The magnetoresistance ratio decreases approximately an order of magnitude with increasing tFe from 4 to 10Åand then changes slightly with further increasing tFe.From the hysteresis loop measurement,it is found that the interlayer coupling changes from antiferromagnetic to ferromagnetic with increasing tFe.The feature of material at the interface might be responsible for all these findings.LI Shuxiang YU Chengtao YAN Minglang LAI Wuyan WANG Yizhong 1994Chinese Physics Letters1994,11,12:0
2Structure and Oriented Growth of CoCr Films With Amorphous Ti Underlayer显示文摘CoCr films with and without amorphous Ti underlayers were deposited by rf magnetron sputtering.We studied the growth characteristics and the dispersion of crystallographic orientation of CoCr films over a thickness range from 20 to 600nm.A 20nm-thick CoCr film with Ti underlayer possesses hcp structure and its c-axis is normal to the film plane.However,the CoCr flim without Ti underlayer is amorphous.Whether their structure are amorphous or hcp texture,the Ti underlayers always promote preferred orientation of CoCr films at the early growth stage.YAN Minglang GENG Shengli YANG Zheng 1994Chinese Physics Letters1994,11,8:0
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