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
收藏
页码：226 / 230
页数：5
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