Anomalous enhancement of the sheet carrier density beyond the classic limit on a SrTiO3 surface

Electrostatic carrier accumulation on an insulating (100) surface of SrTiO3 by fabricating a field effect transistor with Parylene-C (6 nm)/HfO2 (20 nm) bilayer gate insulator has revealed a mystifying phenomenon: sheet carrier density is about 10 times as large as ( is the sheet capacitance of th...

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Bibliographic Details
Main Authors: Kumar, Neeraj, Kitoh, Ai, Inoue, Isao H.
Format: Online
Language:English
Published: Nature Publishing Group 2016
Online Access:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4865841/