Magnetic–optical bifunctional CoPt3/Co multilayered nanowire arrays

doi:10.1088/1674-1056/24/10/107505

中国物理B ›› 2015, Vol. 24 ›› Issue (10): 107505-107505.doi: 10.1088/1674-1056/24/10/107505

• CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES • 上一篇下一篇

Magnetic–optical bifunctional CoPt₃/Co multilayered nanowire arrays

苏轶坤^a, 闫志龙^a, 吴喜明^a, 刘欢^a, 任肖^b, 杨海涛^b

a College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, China;
b Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China

收稿日期:2015-06-17 修回日期:2015-07-13 出版日期:2015-10-05 发布日期:2015-10-05
基金资助:
Project supported by the National Natural Science Foundation of China (Grant Nos. 51472165, 51471185, and 11274370).

Magnetic–optical bifunctional CoPt₃/Co multilayered nanowire arrays

Su Yi-Kun (苏轶坤)^a, Yan Zhi-Long (闫志龙)^a, Wu Xi-Ming (吴喜明)^a, Liu Huan (刘欢)^a, Ren Xiao (任肖)^b, Yang Hai-Tao (杨海涛)^b

a College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, China;
b Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China

Received:2015-06-17 Revised:2015-07-13 Online:2015-10-05 Published:2015-10-05
Contact: Yang Hai-Tao E-mail:htyang@iphy.ac.cn
Supported by:
Project supported by the National Natural Science Foundation of China (Grant Nos. 51472165, 51471185, and 11274370).

摘要/Abstract

摘要：

CoPt₃/Co multilayered nanowire (NW) arrays are synthesized by pulsed electrodeposition into nanoporous anodic aluminum oxide (AAO) templates. The electrochemistry deposition parameters are determined by cyclic voltammetry to realize the well control of the ratio of Co to Pt and the length of every segment. The x-ray diffraction (XRD) patterns show that both Co and CoPt₃ NWs exhibit face-centered cubic (fcc) structures. In the UV-visible absorption spectra, CoPt₃/Co NW arrays show a red-shift with respect to pure CoPt₃NWs. Compared with the pure Co nanowire arrays, the CoPt₃/Co multilayered nanowire arrays show a weak shape anisotropy and well-modulated magnetic properties. CoPt₃/Co multilayered nanowires are highly encouraging that new families of bimetallic nanosystems may be developed to meet the needs of nanomaterials in emerging multifunctional nanotechnologies.

关键词: heterostructures, nanowires, magnetic properties, optic properties

Abstract:

Key words: heterostructures, nanowires, magnetic properties, optic properties

中图分类号: (Magnetic properties of interfaces (multilayers, superlattices, heterostructures))

75.70.Cn

61.46.-w (Structure of nanoscale materials) 75.75.Cd (Fabrication of magnetic nanostructures) 78.67.-n (Optical properties of low-dimensional, mesoscopic, and nanoscale materials and structures)

苏轶坤, 闫志龙, 吴喜明, 刘欢, 任肖, 杨海涛. Magnetic–optical bifunctional CoPt₃/Co multilayered nanowire arrays[J]. 中国物理B, 2015, 24(10): 107505-107505.

Su Yi-Kun (苏轶坤), Yan Zhi-Long (闫志龙), Wu Xi-Ming (吴喜明), Liu Huan (刘欢), Ren Xiao (任肖), Yang Hai-Tao (杨海涛). Magnetic–optical bifunctional CoPt₃/Co multilayered nanowire arrays[J]. Chin. Phys. B, 2015, 24(10): 107505-107505.

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Magnetic–optical bifunctional CoPt₃/Co multilayered nanowire arrays

Magnetic–optical bifunctional CoPt₃/Co multilayered nanowire arrays

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