%0 Journal Article %T A micron-sized GMR sensor with a CoCrPt hard bias
具有CoCrPt硬磁偏置的微尺寸巨磁阻传感器 %A Zheng Yang %A Qu Bingjun %A Liu Xi %A Wei Dan %A Wei Fulin %A Ren Tianling %A Liu Litian %A
郑洋 %A 曲炳郡 %A 刘晰 %A 韦丹 %A 魏福林 %A 任天令 %A 刘理天 %J 半导体学报 %D 2010 %I %X A GMR(giant magneto-resistive) spin valve sensor for magnetic recording has been designed in an attempt to solve the Barkhausen noise problem in small-sized GMR sensors.In this study,the GMR ratio of the top-pinned spin valve is optimized to a value of 13.2%.The free layer is magnetized perpendicular to the pinned layer by a CoCrPt permanent magnetic bias so that a linear magnetic field response can be obtained.An obvious improvement on performance is observed when the permanent magnetic bias is magnetized,... %K GMR %K spin-valve %K magnetic stabilization %K Barkhausen noise
巨磁电阻 %K 自旋阀 %K 磁场偏置 %K 巴克豪森噪声 %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=1319827C0C74AAE8D654BEA21B7F54D3&jid=025C8057C4D37C4BA0041DC7DE7C758F&aid=988051D92E9927C3F90D93C31FB3D0B9&yid=140ECF96957D60B2&vid=4AD960B5AD2D111A&iid=0B39A22176CE99FB&sid=81E1C52F15FF0A7A&eid=94C357A881DFC066&journal_id=1674-4926&journal_name=半导体学报&referenced_num=0&reference_num=0