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爆轰法制备碳包覆铁镍合金纳米颗粒及其表征
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Indexed by:期刊论文

Date of Publication:2010-06-15

Journal:稀有金属材料与工程

Included Journals:PKU、ISTIC

Volume:39

Issue:z1

Page Number:429-433

ISSN No.:1002-185X

Key Words:爆轰合成;碳包覆;铁镍合金纳米颗粒;核壳结构;磁性行为

Abstract:对掺杂硝酸铁和硝酸镍复合炸药前驱体,采用爆轰法合成碳包覆铁镍合金纳米颗粒.通过XRD,TEM,XRF,VSM等方法对合成的碳包覆合金纳米颗粒的形貌特征、结构组成及磁性行为进行了分析表征.结果表明,通过有效调整前驱体中金属源材料比例和碳材料组成,可爆轰合成较为完美的核壳结构碳包覆铁镍纳米颗粒,所得球形的纳米颗粒尺寸主要分布在10~60 nm范围内且分散性较好,组成核主要由不同比例的铁镍元素构成,外壳层主要由石墨碳构成;由室温下磁性分析可知,该纳米颗粒表现出良好的超顺磁性.

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Supervisor of Doctorate Candidates
Supervisor of Master's Candidates

Gender:Male

Alma Mater:大连理工大学

Degree:Doctoral Degree

School/Department:力学与航空航天学院

Discipline:Engineering Mechanics. Applied and Experimental Mechanics. Biomechanics and Nanomechanics

Business Address:大连理工大学 A1区26号 力学系203室

Contact Information:yanhh@dlut.edu.cn 0411-84708397

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