High-Speed and High-Power Ferroelectric Switching Current Measurement Instrument for Materials with Large Coercive Voltage and Remanent Polarization

Autor:	Keisuke Yazawa, Andriy Zakutayev, Geoff L. Brennecka
Jazyk:	angličtina
Rok vydání:	2022
Předmět:	ferroelectrics wurtzite nitride switching current detection KAI model NLS model Chemical technology TP1-1185
Zdroj:	Sensors, Vol 22, Iss 24, p 9659 (2022)
Druh dokumentu:	article
ISSN:	1424-8220
DOI:	10.3390/s22249659
Popis:	A high-speed and high-power current measurement instrument is described for measuring rapid switching of ferroelectric samples with large spontaneous polarization and coercive field. Instrument capabilities (±200 V, 200 mA, and 200 ns order response) are validated with a LiTaO3 single crystal whose switching kinetics are well known. The new instrument described here enables measurements that are not possible using existing commercial measurement systems, including the observation of ferroelectric switching in large coercive field and large spontaneous polarization Al0.7Sc0.3N thin films.
Databáze:	Directory of Open Access Journals
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