Controlling crystallization, phase transformation and magnetic properties of amorphous FeNiP by annealing in nano-confinement

被引：8
作者：
Winkler, N. [1 ,2 ]
Peterlechner, M. [1 ,2 ]
Wilde, G. [1 ,2 ,3 ]
机构：
[1] Univ Munster, Inst Mat Phys, D-48149 Munster, Germany
[2] Univ Munster, Ctr Nanotechnol, D-48149 Munster, Germany
[3] Shanghai Univ, Inst Nanochem & Nanobiol, Shanghai 201800, Peoples R China
来源：
JOURNAL OF MATERIALS CHEMISTRY C | 2015年 / 3卷 / 29期
关键词：
THIN-FILMS; ELECTRODEPOSITION; ARRAYS; FABRICATION; DEPOSITION; SEPARATION; NANOWIRES;
D O I：
10.1039/c5tc01002k
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The synthesis, crystallization and subsequent phase separation of amorphous FeNiP in nanosized confinement is studied. Porous anodic aluminum oxide (AAO) could be utilized to control the regularity and shape of nanostructures via electrodeposition of amorphous FeNiP into the pores. An electrodeposited FeNiP film is analyzed as a reference system. Upon in situ annealing in the transmission electron microscope (TEM), the microstructural evolution is investigated. Calorimetry of the film shows a glass transition and crystallization which leads to a coarse grained structure. Crystallization of the nanowires yields a multilayered nanostructure, followed by a phase separation of FeNiP in multilayers of FeNi and FeNiP phases with interfaces perpendicular to the wire axis. Magnetic properties of the nanowire arrays have been analyzed using a Vibrating Sample Magnetometer (VSM).
引用
收藏
页码：7543 / 7551
页数：9
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