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Synthesis and Characterization of Bi_2Mn_(0.1)V_(0.9)O_(5.35-δ)Thin Films

机译:Bi_2Mn_(0.1)V_(0.9)O_(5.35-δ)薄膜的合成与表征

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摘要

The Bi_2Mn_(0.1)V_(0.9)O_(5.35-δ) (BIMNVOX. 10) thin films have been successfully deposited on the LaNiO_3(LNO)/Si (100) substrates by chemical solution deposition process. The phases, morphology and electrical properties of samples have been studied. The BIMNVOX. 10 films show a (00/)-preferred orientation and have a homogeneous distribution of grains. A low frequency dielectric dispersion observed in the films may be originated from the short distant diffusion of oxygen vacancies. The Cole-Cole plots of dielectric constant for the BIMNVOX. 10 films appear semicircular arc with the center off the x-axis and deviate from the ideal mono-dispersive Debye model. The frequency dependent of ac conductivity for BIMNVOX. 10 films follows the Joscher's power law, mainly contributed to the grain resistivity and predicts the nature of an oxygen vacancies conduction process. The complex impedance spectra reveal that electrical process arises due to contribution from the grain interior and grain boundary effects.
机译:Bi_2Mn_(0.1)V_(0.9)O_(5.35-δ)(BIMNVOX.10)薄膜已通过化学溶液沉积工艺成功地沉积在LaNiO_3(LNO)/ Si(100)衬底上。研究了样品的相,形态和电性能。 BIMNVOX。 10个薄膜显示(00 /)优先取向,并且晶粒均匀分布。薄膜中观察到的低频介电弥散可能是由于氧空位的短距离扩散所致。 BIMNVOX的介电常数的Cole-Cole图。 10部电影出现了半圆弧,其中心偏离x轴,并且偏离了理想的单色Debye模型。 BIMNVOX的频率取决于交流电导率。 10部电影遵循Joscher幂定律,主要有助于提高晶粒电阻率,并预测氧空位传导过程的性质。复阻抗谱表明,由于晶粒内部和晶粒边界效应的贡献,产生了电过程。

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  • 来源
  • 会议地点 Singapore(SG);Singapore(SG)
  • 作者单位

    College of Electronics and Information Engineering, Jingganshan University, Ji'an, Jiangxi 343009, China,Key Laboratory of Polar Materials and Devices, College of Information Science and Technology, East China Normal University, Shanghai 200241, China;

    College of Electronics and Information Engineering, Jingganshan University, Ji'an, Jiangxi 343009, China;

    College of Electronics and Information Engineering, Jingganshan University, Ji'an, Jiangxi 343009, China;

    College of Electronics and Information Engineering, Jingganshan University, Ji'an, Jiangxi 343009, China;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 工程材料一般性问题;
  • 关键词

    BIMNVOX.10; electrical properties; dielectric dispersion; oxygen vacancies;

    机译:BIMNVOX.10;电性能;介电色散氧空位;

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