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Permittivity and permeability of epoxy-magnetite powder composites at microwave frequencies

Abstract:

Radio, millimeter, and sub-millimeter astronomy experiments as well as remote sensing applications often require castable absorbers with well known electromagnetic properties to design and realize calibration targets. In this context, we fabricated and characterized two samples using different ratios of two easily commercially available materials: epoxy (Stycast 2850FT) and magnetite (Fe3O4) powder. We performed transmission and reflection measurements from 7 GHz up to 170 GHz with a vector n...

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Publication status:
Published
Peer review status:
Peer reviewed

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Files:
Publisher copy:
10.1063/1.5128519

Authors


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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Astrophysics
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Astrophysics
Role:
Author
ORCID:
0000-0003-3564-6680
Publisher:
AIP Publishing
Journal:
Journal of Applied Physics More from this journal
Volume:
127
Issue:
4
Article number:
045102
Publication date:
2020-01-22
Acceptance date:
2020-01-05
DOI:
EISSN:
1089-7550
ISSN:
0021-8979
Language:
English
Keywords:
Pubs id:
1086203
Local pid:
pubs:1086203
Deposit date:
2020-03-10

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