A ferromagnetic resonance measurement system for small volume magnetic nanowires

Yali Zhang; Joseph Um; Bethanie Stadler; Rhonda Franklin

doi:10.1109/APUSNCURSINRSM.2019.8889110

A ferromagnetic resonance measurement system for small volume magnetic nanowires

Yali Zhang, Joseph Um, Bethanie Stadler, Rhonda Franklin

Electrical and Computer Engineering

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

Abstract

This work presents a ferromagnetic resonance (FMR) characterization system for magnetic nanowires on short-circuited coplanar waveguide (CPW) structure. The FMR frequency of cobalt (Co) nanowire chips, with three different volumes-small, medium and large, were measured and compared with Kittel equation. The FMR response of the large chip agrees well with Kittel equation with the mean difference of 0.865GHz. The small and medium chips have higher mean difference values of 1.855GHz and 2.205GHz, respectively. From the FMR response, the signal to noise ratio is reduced as the material volume decreased and resulted in less accurate FMR frequency extraction. Since the lowest detectable signal strength of VNA (Anritsu 37369D) is 0.0002, to detect FMR response accurately for this system, the volume of Co should be greater than 2. 2 ×10^-4mm3 and the magnetization should be larger than 317μemu. This paper provides a framework for building identification systems such as nanolabels for low volume biosensing application.

Original language	English (US)
Title of host publication	2019 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, APSURSI 2019 - Proceedings
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	1307-1308
Number of pages	2
ISBN (Electronic)	9781728106922
DOIs	https://doi.org/10.1109/APUSNCURSINRSM.2019.8889110
State	Published - Jul 2019
Event	2019 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, APSURSI 2019 - Atlanta, United States Duration: Jul 7 2019 → Jul 12 2019

Publication series

Name	2019 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, APSURSI 2019 - Proceedings

Conference

Conference	2019 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, APSURSI 2019
Country/Territory	United States
City	Atlanta
Period	7/7/19 → 7/12/19

Bibliographical note

Publisher Copyright:
© 2019 IEEE.

Keywords

Coplanar waveguide
Ferromagnetic resonance
Magnetic nanowire array
Vector network analyzer

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10.1109/APUSNCURSINRSM.2019.8889110

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Zhang, Y., Um, J., Stadler, B., & Franklin, R. (2019). A ferromagnetic resonance measurement system for small volume magnetic nanowires. In 2019 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, APSURSI 2019 - Proceedings (pp. 1307-1308). Article 8889110 (2019 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, APSURSI 2019 - Proceedings). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/APUSNCURSINRSM.2019.8889110

A ferromagnetic resonance measurement system for small volume magnetic nanowires. / Zhang, Yali; Um, Joseph; Stadler, Bethanie et al.
2019 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, APSURSI 2019 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 2019. p. 1307-1308 8889110 (2019 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, APSURSI 2019 - Proceedings).

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

Zhang, Y, Um, J, Stadler, B & Franklin, R 2019, A ferromagnetic resonance measurement system for small volume magnetic nanowires. in 2019 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, APSURSI 2019 - Proceedings., 8889110, 2019 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, APSURSI 2019 - Proceedings, Institute of Electrical and Electronics Engineers Inc., pp. 1307-1308, 2019 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, APSURSI 2019, Atlanta, United States, 7/7/19. https://doi.org/10.1109/APUSNCURSINRSM.2019.8889110

Zhang Y, Um J, Stadler B , Franklin R. A ferromagnetic resonance measurement system for small volume magnetic nanowires. In 2019 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, APSURSI 2019 - Proceedings. Institute of Electrical and Electronics Engineers Inc. 2019. p. 1307-1308. 8889110. (2019 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, APSURSI 2019 - Proceedings). doi: 10.1109/APUSNCURSINRSM.2019.8889110

Zhang, Yali ; Um, Joseph ; Stadler, Bethanie et al. / A ferromagnetic resonance measurement system for small volume magnetic nanowires. 2019 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, APSURSI 2019 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 2019. pp. 1307-1308 (2019 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, APSURSI 2019 - Proceedings).

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AB - This work presents a ferromagnetic resonance (FMR) characterization system for magnetic nanowires on short-circuited coplanar waveguide (CPW) structure. The FMR frequency of cobalt (Co) nanowire chips, with three different volumes-small, medium and large, were measured and compared with Kittel equation. The FMR response of the large chip agrees well with Kittel equation with the mean difference of 0.865GHz. The small and medium chips have higher mean difference values of 1.855GHz and 2.205GHz, respectively. From the FMR response, the signal to noise ratio is reduced as the material volume decreased and resulted in less accurate FMR frequency extraction. Since the lowest detectable signal strength of VNA (Anritsu 37369D) is 0.0002, to detect FMR response accurately for this system, the volume of Co should be greater than 2. 2 ×10-4mm3 and the magnetization should be larger than 317μemu. This paper provides a framework for building identification systems such as nanolabels for low volume biosensing application.

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A ferromagnetic resonance measurement system for small volume magnetic nanowires

Abstract

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Bibliographical note

Keywords

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