Microwave absorption properties of magnetite multi-granule nanocluster-multiwall carbon nanotube composites

被引：6
作者：
An, Boo Hyun [1 ]
Park, Bum Chul [2 ]
Kanagaraj, Amarsingh Bhabu [1 ]
Chaturvedi, Prerna [1 ]
Al Yassi, Hamad [1 ]
Park, Jung-Rae [3 ]
Kim, Young Keun [2 ]
Ryu, Jong Eun [4 ]
Sanduleanu, Mihai [5 ]
Choi, Daniel Sunghoi [1 ]
机构：
[1] Khalifa Univ Sci & Technol, Dept Mech & Mat Engn, POB 127788, Abu Dhabi, U Arab Emirates
[2] Korea Univ, Dept Mat Sci & Engn, Seoul 02841, South Korea
[3] MinoTech Engn Inc, Charlton, MA 01507 USA
[4] North Carolina State Univ, Dept Mech & Aerosp Engn, Raleigh, IN 27695 USA
[5] Khalifa Univ Sci & Technol, Dept Elect & Comp Engn, POB 127788, Abu Dhabi, U Arab Emirates
来源：
FUNCTIONAL MATERIALS LETTERS | 2019年 / 12卷 / 02期
基金：
新加坡国家研究基金会;
关键词：
Microwave absorption; ferrite; carbon nanotube; reflection loss; COMPLEX PERMITTIVITY; PERMEABILITY; FILMS; SIZE;
D O I：
10.1142/S1793604719500115
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Fe3O4 multi-granule nanocluster-multiwall carbon nanotube composites for microwave absorbing applications are fabricated by the surface-engineered tape-casting method. The multi-granule nanoclusters are synthesized by a modified polyol hydrothermal method and characterized by transmission electron microscopy, X-ray diffraction and vibrating sample magnetometer. The complex permittivity and permeability of the composites with different granule size of nanoclusters are characterized in X-band range with the reflection method. The absorption peak of the composites are shifted from 11.1 GHz to 11.51 GHz as granule size increased from 18 nm to 35 nm.
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页数：4
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