Electrical Control of the Magnetic State of Fe

Electrical Control of the Magnetic State of Fe
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Fe 磁态的电控制

DOI:
10.1109/tmag.2011.2107506
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发表时间:
2011
影响因子:
2.1
通讯作者:
W. Wulfhekel
W. Wulfhekel
中科院分区:
工程技术4区
文献类型:
--
作者:
L. Gerhard;T.K. Yamada;T. Balashov;A.F. Takacs;R.J.H. Wesselink;M. Däne;M. Fechner;S. Ostanin;A. Ernst;I. Mertig;W. Wulfhekel

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磁电耦合为磁存储器件的信息存储提供了一条新的途径。这种现象在从绝缘体到半导体的各种材料中都有观察到。在大块金属系统中,由于电场不能进入大块金属,磁电耦合被忽略。在这项工作中,我们发现在Cu(111)上生长的金属Fe纳米岛中存在着显著的磁电耦合。利用扫描隧道显微镜的隧道结中的电场,在纳米尺度上改变了Fe的磁序参量和晶体结构。这允许在简单的金属系统中通过磁电耦合进行高密度非易失性信息存储。
Magneto-electric coupling offers a new pathway to information storage in magnetic memory devices. This phenomenon has been observed in various materials ranging from insulators to semiconductors. In bulk metallic systems, magneto-electric coupling has been disregarded as the electric field cannot enter bulk metals. In this work, we show that a substantial magneto-electric coupling exists in metallic Fe nano-islands grown on Cu(111). Using the electric field in the tunnel junction of a scanning tunneling microscope, the magnetic order parameter and the crystal structure of Fe was changed on the nanometer scale. This allows high density nonvolatile information storage by means of magneto-electric coupling in a simple metallic system.
通过在 CU(111) 上超快沉积获得 FCC FE(111) 超薄膜的磁矩
DOI: --
发表时间: 1998
期刊:
影响因子: --
作者:
Jun Shen;P. Ohresser;C. Mohan;M. Klaua;J. Barthel;J. Kirschner
通讯作者: J. Kirschner