Atomic and Electronic Structures of Metal-Rich Noncentrosymmetric ZrOx

被引：2

作者：

Gritsenko, V. A. ^{[1
,2
,3
]}

Perevalov, T. V. ^{[1
,2
]}

Volodin, V. A. ^{[1
,2
]}

Kruchinin, V. N. ^{[1
]}

Gerasimova, A. K. ^{[1
]}

Prosvirin, I. P. ^{[4
]}

机构：

[1] Russian Acad Sci, Siberian Branch, Rzhanov Inst Semicond Phys, Novosibirsk 630090, Russia

[2] Novosibirsk State Univ, Novosibirsk 630090, Russia

[3] Novosibirsk State Tech Univ, Novosibirsk 630073, Russia

[4] Russian Acad Sci, Siberian Branch, Boreskov Inst Catalysis, Novosibirsk 630090, Russia

来源：

JETP LETTERS | 2018年 / 108卷 / 04期

关键词：

ZIRCONIUM-OXIDE; RAMAN-SPECTROSCOPY; THIN-FILMS; LAYER;

D O I：

10.1134/S002136401816004X

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

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.

引用

页码：226 / 230

页数：5

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