铁电钛酸钡衬底上镍膜中电压控制下的垂直局域磁化
Perpendicular local magnetization under voltage control in Ni films on ferroelectric BaTiO₃ substrates.
作者信息
Ghidini Massimo, Maccherozzi Francesco, Moya Xavier, Phillips Lee C, Yan Wenjing, Soussi Jordane, Métallier Nicolas, Vickers Mary E, Steinke Nina-J, Mansell Rhodri, Barnes Crispin H W, Dhesi Sarnjeet S, Mathur Neil D
机构信息
Department of Materials Science, University of Cambridge, Cambridge, CB3 0FS, UK; DiFeST, University of Parma, viale G. P. Usberti 7/A, Parma, 43124, Italy.
出版信息
Adv Mater. 2015 Feb 25;27(8):1460-5. doi: 10.1002/adma.201404799. Epub 2015 Jan 12.
High-resolution magnetoelectric imaging is used to demonstrate electrical control of the perpendicular local magnetization associated with 125 nm-wide magnetic stripe domains in 100-nm-thick Ni films. This magnetoelectric coupling is achieved in zero magnetic field using strain from ferroelectric BaTiO3 substrates to control perpendicular anisotropy imposed by the growth stress. These findings may be exploited for perpendicular recording in nanopatterned hybrid media.
高分辨率磁电成像用于证明与100纳米厚镍膜中125纳米宽磁条畴相关的垂直局部磁化的电控制。这种磁电耦合是在零磁场中通过铁电钛酸钡衬底的应变来实现的，以控制由生长应力施加的垂直各向异性。这些发现可用于纳米图案化混合介质中的垂直记录。
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