Novel MNZ-type microwave sensor for testing magnetodielectric materials

Abhishek Kumar Jha; Nicolò Delmonte; Adam Lamęcki; Michał Mrozowski; Maurizzio Bozzi

doi:10.1038/s41598-020-73696-8

Novel MNZ-type microwave sensor for testing magnetodielectric materials

Abstract

A novel microwave sensor with the mu-near-zero (MNZ) property is proposed for testing magnetodielectric material at 4.5 GHz. The sensor has a double-layer design consisting of a microstrip line and a metal strip with vias on layers 1 and 2, respectively. The proposed sensor can detect a unit change in relative permittivity and relative permeability with a difference in the operating frequency of 45 MHz and 78 MHz, respectively. The MNZ sensor is fabricated and assembled on two layers of Taconic RF-35 substrate, with thicknesses of 0.51 mm and 1.52 mm, respectively, for the measurement of the sample under test using a vector network analyzer. The dielectric and magnetic properties of two standard dielectric materials (Taconic CER-10 and Rogers TMM13i) and of yttrium–gadolinium iron garnet are measured at microwave frequencies. The results are found to be in good agreement with the values available in the literature, which shows the applicability of the prototype for sensing of magnetodielectric materials.

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Authors (5)

Abhishek Kumar Jha (formerly: Abhishek Jha) dr inż.
Nicolò Delmonte prof.
Adam Lamęcki dr hab. inż.
Michał Mrozowski prof. dr hab. inż.
Maurizzio Bozzi prof.
- Department of Electrical, Computer and Biomedical Engineering, University of Pavia

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Category:

Articles

Type:

artykuły w czasopismach

Published in:

Scientific Reports no. 10,
ISSN: 2045-2322

Language:

English

Publication year:

2020

Bibliographic description:

Jha A., Delmonte N., Lamęcki A., Mrozowski M., Bozzi M.: Novel MNZ-type microwave sensor for testing magnetodielectric materials// Scientific Reports -Vol. 10,iss. 1 (2020), s.16985-

DOI: