Design of self-biased coplanar circulator with ferromagnetic nanowires

Wen Zhou; Joseph Um; Bethanie Stadler; Rhonda Franklin

doi:10.1109/RWS.2018.8304998

Design of self-biased coplanar circulator with ferromagnetic nanowires

Wen Zhou, Joseph Um, Bethanie Stadler, Rhonda Franklin

Electrical and Computer Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

9 Scopus citations

Abstract

A triangular Y-j unction coplanar circulator based on Co nanowire array is designed and simulated in HFSS. Co nanowire array is modelled as ferrite with properties extracted from vibrating sample magnetometer (VSM) and ferromagnetic resonance (FMR) measurement. The circulator consists of printed circuit on Duroid board and nanowire array placed on top of the Y-junction. The simulation results show that with proper estimation of magnetic properties, a circulator can be achieved with 30.9 dB isolation, 2.1 dB insertion loss and 15 dB bandwidth of 1.7 GHz at 28.7 GHz.

Original language	English (US)
Title of host publication	RWS 2018 - Proceedings
Subtitle of host publication	2018 IEEE Radio and Wireless Symposium
Publisher	IEEE Computer Society
Pages	240-242
Number of pages	3
ISBN (Electronic)	9781538607091
DOIs	https://doi.org/10.1109/RWS.2018.8304998
State	Published - Feb 28 2018
Event	2018 IEEE Radio and Wireless Symposium, RWS 2018 - Anaheim, United States Duration: Jan 14 2018 → Jan 17 2018

Publication series

Name	IEEE Radio and Wireless Symposium, RWS
Volume	2018-January
ISSN (Print)	2164-2958
ISSN (Electronic)	2164-2974

Other

Other	2018 IEEE Radio and Wireless Symposium, RWS 2018
Country/Territory	United States
City	Anaheim
Period	1/14/18 → 1/17/18

Bibliographical note

Funding Information:
The authors acknowledge the assistance and support from Yali Zhang for nanowire modelling, Alexander Nelson for initial nanowire characterization, and the University of Minnesota’s Institute for Rock Magnetism for VSM, and Minnesota Nano Center for SEM. MNC is sponsored by the NSF NNCI network. This work was supported by National Science Foundation under Award ECCS #1509543.

Publisher Copyright:
© 2018 IEEE.

Keywords

Co nanowires
Coplanar Waveguide
Ferromagnetic resonance
Self-bias
Triangular Y-junction circulator

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Design of self-biased coplanar circulator with ferromagnetic nanowires. / Zhou, Wen; Um, Joseph; Stadler, Bethanie et al.
RWS 2018 - Proceedings: 2018 IEEE Radio and Wireless Symposium. IEEE Computer Society, 2018. p. 240-242 (IEEE Radio and Wireless Symposium, RWS; Vol. 2018-January).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Zhou, W, Um, J, Stadler, B & Franklin, R 2018, Design of self-biased coplanar circulator with ferromagnetic nanowires. in RWS 2018 - Proceedings: 2018 IEEE Radio and Wireless Symposium. IEEE Radio and Wireless Symposium, RWS, vol. 2018-January, IEEE Computer Society, pp. 240-242, 2018 IEEE Radio and Wireless Symposium, RWS 2018, Anaheim, United States, 1/14/18. https://doi.org/10.1109/RWS.2018.8304998

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abstract = "A triangular Y-j unction coplanar circulator based on Co nanowire array is designed and simulated in HFSS. Co nanowire array is modelled as ferrite with properties extracted from vibrating sample magnetometer (VSM) and ferromagnetic resonance (FMR) measurement. The circulator consists of printed circuit on Duroid board and nanowire array placed on top of the Y-junction. The simulation results show that with proper estimation of magnetic properties, a circulator can be achieved with 30.9 dB isolation, 2.1 dB insertion loss and 15 dB bandwidth of 1.7 GHz at 28.7 GHz.",

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Design of self-biased coplanar circulator with ferromagnetic nanowires

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