National Changhua University of Education Institutional Repository : Item 987654321/18603
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题名: Current-in-plane Tunneling Measurement Through Patterned Contacts on Top Surfaces of Magnetic Tunnel Junctions
作者: Lee, Ching-Ming;Ye, Lin-Xiu;Lee, Jia-Mou;Lin, Yu-Cyun;Huang, Chao-Yuan;Wu, Jong-Ching;Tsunoda, Masakiyo;Takahashi, Migaku;Wu, Te-Ho
贡献者: 物理學系
关键词: Current-in-plane tunneling;Magnetic tunnel junctions;Magnetoresistance;Resistance-area product
日期: 2011
上传时间: 2014-06-06T07:20:03Z
出版者: The Korean Magnestics Society
摘要: This study reports an alternative method for measuring the magnetoresistance of unpatterned magnetic tunnel junctions similar to the current-in-plane tunneling (CIPT) method. Instead of using microprobes, a series of point contacts with different spacings are coated on the top surface of the junctions and R-H loops at various spacings are then measured by the usual four-point probe method. The values of magnetoresistance and resistance-area products can be obtained by fitting the measured data to the CIPT theoretical model. The test results of two types of junctions were highly similar to those obtained from standard CIPT tools. The proposed method may help to accelerate the process for evaluating the quality of magnetic tunnel junctions when commercial CIPT tools are not accessible.
關聯: Journal of Magnetics, 16(2): 169-172
显示于类别:[物理學系] 期刊論文

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