Electrically tunable sign of capacitance in planar W-doped vanadium dioxide micro-switches

Negative capacitance (NC) in a planar W-doped VO2 micro-switch was observed at room temperature in the low-frequency range 1 kHz–10 MHz. The capacitance changed from positive to negative values as the W-doped VO2 active layer switched from semiconducting to metallic state under applied voltage. In a...

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Bibliographic Details
Main Author: Mohammed Soltani, Mohamed Chaker and Joelle Margot
Format: Article
Language:English
Published: Taylor & Francis Group 2011-01-01
Series:Science and Technology of Advanced Materials
Online Access:http://iopscience.iop.org/1468-6996/12/4/045002