Journal
JOURNAL OF APPLIED PHYSICS
Volume 106, Issue 5, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3204958
Keywords
dielectric losses; eddy current losses; electromagnetic wave absorption; ferromagnetic materials; iron; iron compounds; magnetic leakage; nanofabrication; nanoporous materials; silicon compounds
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Funding
- National Natural Science Foundation of China [50772025]
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Porous Fe3O4/Fe/SiO2 core/shell nanorods were fabricated, in which the diameter of the pores was 5-30 nm. The magnetic and electromagnetic properties were investigated. The temperature dependent magnetic measurements showed that these nanorods were ferromagnetic with a Verwey temperature of 129 K. The electromagnetic data indicated that effective complementarities between the dielectric loss and the magnetic loss were realized, suggesting that they have excellent electromagnetic wave absorption properties. Thus the porous core/shell nanorods could be used as a kind of candidate absorber.
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