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个人信息Personal Information
教授 博士生导师
招生学科专业:
化学 -- 【招收硕士研究生】 -- 材料科学与技术学院
材料科学与工程 -- 【招收博士、硕士研究生】 -- 材料科学与技术学院
材料与化工 -- 【招收博士、硕士研究生】 -- 材料科学与技术学院
能源动力 -- 【招收博士、硕士研究生】 -- 材料科学与技术学院
性别:男
学历:南京大学
学位:理学博士学位
所在单位:材料科学与技术学院
办公地点:江宁校区1号楼14楼408A
联系方式:18005152399
电子邮箱:
Magnetic and electromagnetic properties of Fe3O4/Fe composites prepared by a simple one-step ball-milling
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所属单位:材料科学与技术学院
发表刊物:JOURNAL OF ALLOYS AND COMPOUNDS
关键字:Magnetite/carbonyl iron Magnetic property Ball milling Electromagnetic wave absorption
摘要:In this study, an extremely simple one-step ball milling has been applied to fabricate the flaky Fe3O4/Fe composites. The obtained samples were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), vibrating sample magnetometer (VSM), and vector network analysis (VNA). It is acknowledged that the ball-milling process has huge influence on the morphology and electromagnetic absorption capability. Compared with the raw Fe3O4, the saturation magnetization of Fe3O4/Fe composites improved greatly. When the thickness is just 1.25 mm, the reflection loss values below -10 dB can be achieved from 13.8 to 18 GHz, with a maximum reflection loss of -25.9 at 16.1 GHz. Obviously, the Fe3O4/Fe composites can be used as magnetic microwave absorbers due to its simple synthesis for the mass production standards. Moreover, this study also gives new enlightenment to design other magnetism/magnetism composites that can be applied to Ku-band such as satellite communications. (C) 2017 Elsevier B.V. All rights reserved.
ISSN号:0925-8388
是否译文:否
发表时间:2017-06-25
合写作者:成岩,李勇,权斌,梁小会,赵子新,曹洁明,都有为
通讯作者:姬广斌