A novel direct reduction method to synthesize ordered Fe-Pt alloy nanoparticles

• 来源期刊: 材料科学技术（英文版）
• 年，卷（期）: 2019,（4）
• 页码范围: 560-567
• 页数: 8页
• 语种: 英文

摘要

In this work,a direct green solid-phase reduction method for the fabrication of large yield of ordered phase Fe-Pt alloy nanoparticles was reported,in which inorganic salts were used as metal precursors and H2-containing atmosphere was used as reducer.Utilizing this method,the composition and chemical ordered phase,such as L12-Fe3 Pt,L12-FePt3,and L1 o-FePt phases can be easily achieved by one step reaction.The synthesized nanoparticles have clean surface because no organic precursors,no organic solutions or organic surfactants/ligands were used.Their magnetic performance and the formation mechanism of Fe-Pt alloy nanoparticles were also investigated.This strategy can be applied to synthesize many other types of alloy nanoparticles with desired composition and necessary crystal structure,which can be used for a variety of practical applications,such as in magnetism and catalyst research fields.