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爆轰合成碳包覆钴、镍磁性纳米颗粒的探索
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Indexed by:期刊论文

Date of Publication:2009-12-15

Journal:高压物理学报

Included Journals:EI、PKU、ISTIC、CSCD、Scopus

Volume:23

Issue:6

Page Number:415-420

ISSN No.:1000-5773

Key Words:爆轰合成;碳包覆纳米颗粒;磁性材料;核壳结构

Abstract:介绍了爆轰法合成碳包覆钴、镍纳米磁性颗粒研究的初步结果.以黑索今炸药为主体,加入钴、镍金属硝酸盐与有机碳源材料,在爆炸容器中氮气保护下用导爆管雷管引爆,成功地合成了碳包覆钴、镍纳米磁性颗粒.为了探求爆轰固体产物的形貌特征及性能,分别采用了TEM、XRD、VSM等测试手段对其进行表征.实验结果表明,爆轰产物中主要含有碳包覆纳米钴、纳米镍磁性颗粒,成球体或者椭球体,具有完好的核壳结构形貌.合成的碳包覆钴颗粒分布在30~50 nm之间,碳包覆的镍颗粒分布在25~60 nm之间,外层碳壳层主要由无定形碳和石墨构成.磁性测试表明,所得碳包金属钴、镍颗粒在室温下具有良好的软磁特性.

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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

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