What is it about?
The established theory of reflection loss contradicts fundamental principles in transmission-line theory and as a result is used to interpret experimental data wrongly.
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Why is it important?
Unfortunately, there are still many results published with the wrong method even after we pointed out the associated problems. The citations here of using the wrong method are only a very small fraction of recent publications based on the method, which signified the urgency of correction.
Perspectives
The input impedance in transmission-line theory has been distorted in microwave absorption reports and the concept of impedance matching from reflection loss is illogical.
Yue Liu
Shenyang Normal University
Read the Original
This page is a summary of: An experimental and theoretical investigation into methods concerned with “reflection loss” for microwave absorbing materials, Materials Chemistry and Physics, January 2020, Elsevier,
DOI: 10.1016/j.matchemphys.2020.122624.
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