Structural and magnetic properties of Ni-Fe nanowires in the pores of polymer track membranes

被引：15

作者：

Frolov, Kirill, V ^{[1
]}

Chuev, Mikhail A. ^{[2
]}

Lyubutin, Igor S. ^{[1
]}

Zagorskii, Dmitriy L. ^{[1
,3
]}

Bedin, Sergei A. ^{[1
,4
]}

Perunov, Igor, V ^{[1
]}

Lomov, Andrei A. ^{[2
]}

Artemov, Vladimir V. ^{[1
]}

Khmelenin, Dmitriy N. ^{[1
]}

Sulyanov, Sergei N. ^{[1
,5
]}

Doludenko, Ilya M. ^{[1
]}

机构：

[1] RAS, Shubnikov Inst Crystallog FSRC Crystallog & Photo, Moscow 119333, Russia

[2] RAS, Valiev Inst Phys & Technol, Moscow 117218, Russia

[3] Gubkin Russian State Univ Oil & Gas, Moscow 119991, Russia

[4] Moscow State Pedag Univ, Moscow 119991, Russia

[5] Kurchatov Inst, Natl Res Ctr, Moscow 123182, Russia

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2019年 / 489卷

基金：

俄罗斯科学基金会; 俄罗斯基础研究基金会;

关键词：

Magnetic nanowires; Template" synthesis; Mossbauer spectroscopy; Quasi-one-dimensional ferromagnet; Magnetic anisotropy; Spontaneous magnetization; GAMMA-RESONANCE SPECTRA; MOSSBAUER; CO; NANOPARTICLES; ARRAYS; CELLS;

D O I：

10.1016/j.jmmm.2019.165415

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Nanowires of Ni1-xFex compounds were obtained by electrochemical deposition in pores of flexible polymer track membranes with pore diameters of 30 and 70 nm. The elemental composition and growth conditions, allowing to control the length and aspect ratio of the nanowire, were established. Magnetic and Mossbauer spectroscopy measurements show that the nanowires have pronounced ferromagnetic properties, and the magnetic moments of Ni-Fe nanoparticles are oriented mainly along the wire axis. In particular, the nanowires with a length of about 10 mu m and a diameter of 30 nm consist of magnetic domains about 20 nm in size with magnetic moments oriented predominantly along the axis of the nanowire. Such materials can be considered as quasi-one-dimensional nanostructured ferromagnetic systems. A new theoretical model was used to describe the magnetic properties and calculate the basic physical parameters of nanowires.

引用

页数：8

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