npsm 새물리 New Physics : Sae Mulli

pISSN 0374-4914 eISSN 2289-0041
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Article

Review Paper

New Phys.: Sae Mulli 2019; 69: 1-15

Published online January 31, 2019 https://doi.org/10.3938/NPSM.69.1

Copyright © New Physics: Sae Mulli.

A Study on the Measurement and Analysis of the Impedance of Various Materials

Jong-Ho PARK*

Department of Science Education, Chinju National University of Education, Jinju 52673, Korea

Correspondence to:parkkdp@cue.ac.kr

Received: October 5, 2018; Revised: October 30, 2018; Accepted: October 31, 2018

This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

This review paper briefly mentions the theoretical background for impedance spectroscopy. Also, this paper describes impedance testing methods for thin films, ceramics, crystals, liquids, and living bodies. I have categorized examples of impedance measurements and analyses of thin films (SrBi$_2$Ta$_2$O$_9$, SBTO), crystals (KH$_2$PO$_4$, KDP), ceramics (Pb$_x$La$_{1-x}$Zr$_y$Ti$_{1-y}$O$_3$, PLZT), emulsions, and the living body and introduced the results of this study. In particular, impedance measurement of a living body has proposed a needle-shaped sample cell in which a sample cell can measure the tissue of a living body. This suggests that the change in blood glucose level and the permittivity is related to each other in a living body. Impedance spectroscopy is a long-standing experimental method, so wider applications and developments in the industrial and the academic fields are expected in the future.

Keywords: Impedance, Dielectric, Thin film, Emulsion, Ceramic

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