Atomic and Electronic Structures of Metal-Rich Noncentrosymmetric ZrOx


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The atomic and electronic structures of metal-rich noncentrosymmetric zirconium oxide synthesized by the ion beam sputtering of a metallic target in an oxygen atmosphere has been studied by X-ray photoelectron spectroscopy, Raman scattering, spectral ellipsometry, and quantum-chemical simulation. It has been established that ZrOx < 2 consists of ZrO2, metallic Zr, and zirconium suboxides ZrOy. The stoichiometry parameter of ZrOy has been estimated. It has been shown that the optical properties of ZrOx < 2 are determined by metallic Zr. A model of fluctuation of the width of the band gap and a potential for electrons and holes in ZrOx < 2 based on spatial fluctuations of the chemical composition has been proposed.

作者简介

V. Gritsenko

Rzhanov Institute of Semiconductor Physics, Siberian Branch; Novosibirsk State University; Novosibirsk State Technical University

Email: timson@isp.nsc.ru
俄罗斯联邦, Novosibirsk, 630090; Novosibirsk, 630090; Novosibirsk, 630073

T. Perevalov

Rzhanov Institute of Semiconductor Physics, Siberian Branch; Novosibirsk State University

编辑信件的主要联系方式.
Email: timson@isp.nsc.ru
俄罗斯联邦, Novosibirsk, 630090; Novosibirsk, 630090

V. Volodin

Rzhanov Institute of Semiconductor Physics, Siberian Branch; Novosibirsk State University

Email: timson@isp.nsc.ru
俄罗斯联邦, Novosibirsk, 630090; Novosibirsk, 630090

V. Kruchinin

Rzhanov Institute of Semiconductor Physics, Siberian Branch

Email: timson@isp.nsc.ru
俄罗斯联邦, Novosibirsk, 630090

A. Gerasimova

Rzhanov Institute of Semiconductor Physics, Siberian Branch

Email: timson@isp.nsc.ru
俄罗斯联邦, Novosibirsk, 630090

I. Prosvirin

Boreskov Institute of Catalysis, Siberian Branch

Email: timson@isp.nsc.ru
俄罗斯联邦, Novosibirsk, 630090

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