Nanoscale Fe islands on MgO(001) produced by molecular-beam epitaxy

被引:21
作者
Jordan, SM [1 ]
Schad, R [1 ]
Keen, AM [1 ]
Bischoff, M [1 ]
Schmool, DS [1 ]
van Kempen, H [1 ]
机构
[1] Catholic Univ Nijmegen, Mat Res Inst, NL-6525 ED Nijmegen, Netherlands
关键词
D O I
10.1103/PhysRevB.59.7350
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
We report that a 10-nm thick Fe film grown at an elevated temperature on MgO(001) forms isolated islands of diameter between 10 and 100 nm. Increasing the deposition temperature causes the islands to decrease in diameter. The resulting films are electrically insulating but show electrical transport properties that vary strongly with growth temperature when capped with 2 nm Au. Films grown at a temperature of 743 K showed a giant magnetoresistance of 0.7% when measured at room temperature. [S0163-1829(99)01012-7].
引用
收藏
页码:7350 / 7353
页数:4
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