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Article

Fabrication of Microwave Devices Based on Magnetic Nanowires Using a Laser-Assisted Process

1
IMCN Institute, Université catholique de Louvain, 1 place Croix du Sud, 1348 Louvain-la-Neuve, Belgium
2
ICTEAM Institute, Université catholique de Louvain, 3 place du Levant, 1348 Louvain-la-Neuve, Belgium
*
Author to whom correspondence should be addressed.
Micromachines 2019, 10(7), 475; https://doi.org/10.3390/mi10070475
Received: 11 June 2019 / Revised: 7 July 2019 / Accepted: 12 July 2019 / Published: 16 July 2019
(This article belongs to the Special Issue Nanodevices for Microwave and Millimeter Wave Applications)
This paper compares two laser-assisted processes developed by the authors for the fabrication of microwave devices based on nanowire arrays loaded inside porous alumina templates. Pros and cons of each process are discussed in terms of accuracy, reproducibility and ease of fabrication. A comparison with lithography technique is also provided. The efficiency of the laser-assisted process is demonstrated through the realization of substrate integrated waveguide (SIW) based devices. A Nanowired SIW line is firstly presented. It operates between 8.5 and 17 GHz, corresponding to the first and second cut-off frequency of the waveguide, respectively. Next, a Nanowired SIW isolator is demonstrated. It shows a nonreciprocal isolation of 12 dB (corresponding to 4.4 dB/cm), observed in absence of a DC magnetic field, and achieved through an adequate positioning of ferromagnetic nanowires inside the waveguide cavity. View Full-Text
Keywords: microwave; ferromagnetic; laser processing; substrate integrated waveguide; nanowire microwave; ferromagnetic; laser processing; substrate integrated waveguide; nanowire
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MDPI and ACS Style

Van Kerckhoven, V.; Piraux, L.; Huynen, I. Fabrication of Microwave Devices Based on Magnetic Nanowires Using a Laser-Assisted Process. Micromachines 2019, 10, 475. https://doi.org/10.3390/mi10070475

AMA Style

Van Kerckhoven V, Piraux L, Huynen I. Fabrication of Microwave Devices Based on Magnetic Nanowires Using a Laser-Assisted Process. Micromachines. 2019; 10(7):475. https://doi.org/10.3390/mi10070475

Chicago/Turabian Style

Van Kerckhoven, Vivien; Piraux, Luc; Huynen, Isabelle. 2019. "Fabrication of Microwave Devices Based on Magnetic Nanowires Using a Laser-Assisted Process" Micromachines 10, no. 7: 475. https://doi.org/10.3390/mi10070475

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