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Title: The one-pot syntheses of Fe@(C, N) nanocapsules for electromagnetic absorption at gigahertz
Authors: Han, DD 
Xu, SC
Or, SW 
Ho, SL 
Liu, B
Keywords: Core-shell
Carbon materials
Microwave absorption properties
Issue Date: 2017
Publisher: North-Holland
Source: Materials letters, 2017, v. 198, p. 69-72 How to cite?
Journal: Materials letters 
Abstract: Fe@(C, N) nanocapsules with Fe nanoparticles as the core and N-doped onion-like carbon as the shell are synthesized by the arc-discharge method. The complex permittivity, dielectric loss and microwave absorption properties of the Fe@(C, N) nanocapsules are improved by the doping of N. Compared with Fe@ C nanocapsules, Fe@(C, N) nanocapsules exhibit the thinner thickness for the same effective absorbing band width, and the absorption peaks of the Fe@(C, N) nanocapsules at the same thickness shift to a lower frequency, ascribed to the large amount of defects from the doping of N.
ISSN: 0167-577X
EISSN: 1873-4979
DOI: 10.1016/j.matlet.2017.04.015
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