Facile synthesis of ultra-long α-MnO2 nanowires and their microwave absorption properties

被引：66
|
作者：
Wang, Xinghui [1 ]
Ni, Shibing [1 ]
Zhou, Guo [1 ]
Sun, Xiaolei [1 ]
Yang, Feng [1 ]
Wang, Junming [1 ]
He, Deyan [1 ]
机构：
[1] Lanzhou Univ, Dept Phys, Lanzhou 730000, Peoples R China
来源：
MATERIALS LETTERS | 2010年 / 64卷 / 13期
关键词：
Crystal growth; Nanomaterial; MnO2; Ultra-long nanowire; Microwave absorption property;
D O I：
10.1016/j.matlet.2010.04.002
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Well crystallized alpha-MnO2 nanowires (NWs) with an average diameter of about 40 nm and an average length of about 30 mu m were successfully synthesized by hydrothermal method The complex permittivity and permeability of alpha-MnO2 NWs/paraffin composites with 20 vol % alpha-MnO2 NWs were measured in a frequency region from 0 1 to 13 GHz The value of maximum reflection loss of the composites with 20 vol % alpha-MnO2 NWs is approximately -35 dB at 3 13 GHz with a thickness of 3 6 mm, and the bandwidth corresponding to reflection loss below -10 dB is higher than 1 8 GHz with a lower thickness of 1.2 mm. (C) 2010 Elsevier B V. All rights reserved
引用
收藏
页码：1496 / 1498
页数：3
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