Nickel nanofibers and nanowires: Elaboration by reduction in polyol medium assisted by external magnetic field

被引：28

作者：

Soumare, Y. ^{[1
]}

Dakhlaoui-Omrani, A. ^{[1
]}

Schoenstein, F. ^{[1
]}

Mercone, S. ^{[1
]}

Viau, G. ^{[2
]}

Jouini, N. ^{[1
]}

机构：

[1] Univ Paris 13, LPMTM, CNRS, UPR 9001, F-93430 Villetaneuse, France

[2] Inst Natl Sci Appl, Lab Phys & Chim Nanoobjets, F-31077 Toulouse 4, France

来源：

SOLID STATE COMMUNICATIONS | 2011年 / 151卷 / 04期

关键词：

Nickel nanowires; Soft chemistry; Magnetic field; Magnetic properties; SILVER NANOWIRES; PARTICLES; GROWTH; METAL; FE; NI; CO;

D O I：

10.1016/j.ssc.2010.12.004

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Nickel nanowires, with diameter 250 nm and a length of several microns, were prepared by the polyol process (chemical reduction) while an external magnetic field of 1.4 T has been applied during preparation. This combination has allowed the elaboration of Ni nanowires with a yield of over 90%. X-ray diffraction (XRD) showed that these nanowires crystallize with the face-centered-cubic structure. Magnetic static measurements showed the effect on the nanoparticles' morphology of the external magnetic field applied during the synthesis. They also allowed studying the effect of the external magnetic field on the magnetic properties of nanowires as a function of their orientation. When nanowires are aligned parallel with magnetic field, the hysteresis loop obtained is very open with a coercivity field (Hc) value of 385 Oe and a high remanence to saturation ratio Mr/Ms of 0.85. (C) 2010 Elsevier Ltd. All rights reserved.

引用

页码：284 / 288

页数：5

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