Structural, transport and ferroelectric properties of Zn1-xMgxO samples and their local electronic structure

被引：17

作者：

Kumar, Parmod ^{[1
]}

Singh, Jitendra Pal ^{[2
]}

Malik, Hitendra K. ^{[1
]}

Gautam, Sanjeev ^{[2
]}

Chae, K. H. ^{[2
]}

Asokan, K. ^{[3
]}

机构：

[1] Indian Inst Technol Delhi, Dept Phys, New Delhi 110016, India

[2] Korea Inst Sci & Technol, Adv Anal Ctr, Seoul 136791, South Korea

[3] Inter Univ Accelerator Ctr, Div Mat Sci, New Delhi 110067, India

来源：

SUPERLATTICES AND MICROSTRUCTURES | 2015年 / 78卷

关键词：

Zinc oxide; Rietveld refinement; Bond length; Polarization and X-ray absorption spectroscopy; THIN-FILMS;

D O I：

10.1016/j.spmi.2014.11.033

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Present work reports the correlation between structural, ferroelectric and transport properties of Zn1-xMgxO nanoparticles synthesized by sol-gel method, and their local electronic structures. Attributes of structural distortion are observed in Mg doped samples, which was confirmed by Rietveld refinement of X-ray diffraction pattern. Distortion in bond length of the samples occurs with the Mg substitution on the Zn site. The change in bond length (Zn-O) enhances the polarization and hence, an improvement in ferroelectric nature is realized after Mg doping. Moreover, the Mg incorporation increases the electrical resistivity of the samples. These properties are correlated with the local electronic structures provided by X-ray absorption spectroscopy. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：183 / 189

页数：7

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