Facile liquid-assisted one-step sintering synthesis of superfine L10-FePt nanoparticles

被引：15

作者：

Pei, Wenli ^{[1
]}

Zhao, Dong ^{[1
]}

Wu, Chun ^{[2
]}

Wang, Xiaoyang ^{[3
]}

Wang, Kai ^{[3
]}

Wang, Jianjun ^{[1
]}

Wang, Qiang ^{[3
]}

机构：

[1] Northeastern Univ, Minist Educ, Key Lab Anisotropy & Texture Mat, Shenyang 110819, Liaoning, Peoples R China

[2] Liaoning Tech Univ, Sch Mat Sci & Engn, Fuxin 123000, Peoples R China

[3] Northeastern Univ, Minist Educ, Key Lab Elect Proc Mat, Shenyang 110819, Liaoning, Peoples R China

来源：

RSC ADVANCES | 2019年 / 9卷 / 62期

基金：

中国国家自然科学基金;

关键词：

DIRECT CHEMICAL-SYNTHESIS; FEPT NANOPARTICLES; HIGH-COERCIVITY; SIZE; MICROSTRUCTURE; MAGNETS;

D O I：

10.1039/c9ra06966f

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A liquid-assisted one-step sintering method was proposed for the synthesis of L1(0)-FePt superfine nanoparticles. The liquid assisted Fe and Pt precursors were homogeneously deposited on NaCl media, which facilitated the nucleation rates, obviously reduced the particle size and promoted the orderly transformation. Through optimizing the sintering parameters, superfine L1(0)-FePt nanoparticles (about 7 nm, TEM) with coercivity as high as 2.29 T were obtained. This research highlights the feasibility of synthesizing L1(0)-FePt nanoparticles with superfine sizes and ultra-high coercivity.

引用

页码：36034 / 36039

页数：6

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