Demonstration of laser induced magnetization reversal in GdFeCo nanostructures

被引：49

作者：

Le Guyader, L. ^{[1
]}

El Moussaoui, S. ^{[1
]}

Buzzi, M. ^{[1
]}

Chopdekar, R. V. ^{[1
]}

Heyderman, L. J. ^{[1
]}

Tsukamoto, A. ^{[2
]}

Itoh, A. ^{[2
]}

Kirilyuk, A. ^{[3
]}

Rasing, Th. ^{[3
]}

Kimel, A. V. ^{[3
]}

Nolting, F. ^{[1
]}

机构：

[1] Paul Scherrer Inst, CH-5232 Villigen, Switzerland

[2] Nihon Univ, Coll Sci & Technol, Funabashi, Chiba 2748501, Japan

[3] Radboud Univ Nijmegen, Inst Mol & Mat, NL-6525 AJ Nijmegen, Netherlands

来源：

APPLIED PHYSICS LETTERS | 2012年 / 101卷 / 02期

基金：

欧洲研究理事会;

关键词：

D O I：

10.1063/1.4733965

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Magnetization switching by a single femtosecond laser heat pulse is demonstrated for out-of-plane domains with sizes down to 200 nm in GdFeCo nanostructures. A complex magnetic domain configuration was revealed with a photoemission electron microscope employing x-ray magnetic circular dichroism at the Fe L-3 edge and consisted of in-plane magnetized rims and out-of-plane domains, which results from the structuring process. No influence of this complex domain pattern on the switching efficiency of the structures was detected, constituting an important step towards the application of laser induced magnetization switching in storage devices. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4733965]

引用

页数：4

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