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首页> 外文期刊>Sensors and Actuators >Acetone and ethanol sensing of barium hexaferrite particles: A case study considering the possibilities of non-conventional hexaferrite sensor
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Acetone and ethanol sensing of barium hexaferrite particles: A case study considering the possibilities of non-conventional hexaferrite sensor

机译：丙酮和乙醇感测六铁酸钡颗粒：考虑非常规六铁氧体传感器可能性的案例研究

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摘要

Hexaferrites are well known for their important magnetic and data storage applications. The volatile organic compound (VOC) sensing of hexaferrites is not reported yet in open literature. In the present work, acetone and ethanol sensing characteristics of nano-crystalline barium hexaferrite particles has been investigated. The phase formation behaviour and microstructure evolution of the synthesized barium hexaferrite particles are studied using X-ray diffraction (XRD) and high resolution transmission electron microscopy (HRTEM) techniques. Ultraviolet-visible (UV-vis) absorption and current-voltage studies are carried out to confirm the semiconducting nature of the particles. Gas sensing study revealed barium hexaferrite as promising sensor for the fast and reproducible detection of acetone and ethanol vapours at low concentrations (20 ppm). The present systematic study on the promising acetone and ethanol sensing characteristics of barium hexaferrite particles could play significant role to explore the possibilities of non-conventional hexagonal ferrite sensors.
机译：六价铁氧体以其重要的磁性和数​​据存储应用而闻名。公开文献中尚未报道六价铁氧体的挥发性有机化合物（VOC）的检测。在目前的工作中，已经研究了纳米晶体六铁酸钡颗粒的丙酮和乙醇感测特性。利用X射线衍射（XRD）和高分辨率透射电子显微镜（HRTEM）技术研究了合成的六价铁酸钡粒子的相形成行为和微观结构演变。进行了紫外线-可见（UV-vis）吸收和电流-电压研究，以确认颗粒的半导体性质。气体传感研究表明，六价铁酸钡是用于低浓度（20 ppm）的丙酮和乙醇蒸气的快速，可重现检测的有前途的传感器。目前对钡铁氧体颗粒有希望的丙酮和乙醇传感特性的系统研究可以为探索非常规六角形铁氧体传感器的可能性发挥重要作用。

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  • 来源
    《Sensors and Actuators》 |2014年第1期|627-633|共7页
  • 作者

    M. Karmakar; B. Mondal; M. Pal; K. Mukherjee;

  • 作者单位

    Centre for Advanced Materials Processing, CSIR-Central Mechanical Engineering Research Institute, Durgapur 713 209, India;

    Centre for Advanced Materials Processing, CSIR-Central Mechanical Engineering Research Institute, Durgapur 713 209, India;

    Centre for Advanced Materials Processing, CSIR-Central Mechanical Engineering Research Institute, Durgapur 713 209, India;

    Centre for Advanced Materials Processing, CSIR-Central Mechanical Engineering Research Institute, Durgapur 713 209, India;

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  • 正文语种 eng
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  • 关键词

    Hexaferrite; TEM; UV-vis spectra; Gas sensor; Acetone; Ethanol;

    机译：六方铁氧体TEM;紫外可见光谱气体传感器丙酮;乙醇;

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