Urbach‐Energy‐Dictated Spatial Propagation of Electrons in Thermodynamically Tuned Amorphous Zirconia Thin Films
Source abstract
Abstract
Abstract Thermodynamically tuned zirconia thin films are fabricated for diverse Urbach energies in a homogeneous condensed system. In the analysis, the electrical breakdown of zirconia thin films is ascribed to the tunneling‐driven electron propagation involving virtual photons. An externally applied electric field is considered to expand the Urbach‐energy‐characterized energy distribution of sub‐bandgap states into their spatial distribution. In this expansion, the virtual‐photon energies activate the tunneling‐driven electron propagation through localized observer states. The integral of the virtual‐photon energies over the entire tunneling path is equal to the initial energy barrier.
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Research context
OpenAlex topics: Electronic and Structural Properties of Oxides · Transition Metal Oxide Nanomaterials · Electron and X-Ray Spectroscopy Techniques
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Electronic and Electrical Engineering Kyungpook National University Daegu 41566 South Korea
Department of Electronic Engineering Hallym University Chuncheon 24252 South Korea
College of Ocean Science and Engineering Shandong University of Science and Technology Qingdao 266590 China
School of Electronics Engineering Kyungpook National University Daegu 41566 South Korea
Funding
National Research Foundation of Korea
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