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INFLUENCE OF A PULSED MAGNETIC FIELD ON THE ELECTRICAL PROPERTIES OF NANOPOWDER SYSTEM BASED ON ZIRCONIA

Artem Shylo; Aleksandr Doroshkevich; Tetyana Konstantinova


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{
  "description": "<p>A &nbsp;technique &nbsp;for &nbsp;studying &nbsp;of &nbsp;electrical &nbsp;characteristics &nbsp;based &nbsp;on &nbsp;electrochemical &nbsp;impedance&nbsp;<br>\nspectroscopy of sealed nanopowder compact sets from a powder based on ZrO2 was proposed.&nbsp;<br>\nThe possibility of using this technique for studying of influence of pulsed magnetic field on a&nbsp;<br>\ncharge state of the surface of zirconia nanoparticles is shown. It is established that the action of a&nbsp;<br>\nweak pulsed &nbsp;magnetic &nbsp;field leads to redistribution of free &nbsp;charge carriers between the volume&nbsp;<br>\nand &nbsp;the &nbsp;surface &nbsp;of &nbsp;nanoparticles. &nbsp;In &nbsp;particular, &nbsp;different &nbsp;processing &nbsp;times &nbsp;lead &nbsp;to &nbsp;different&nbsp;<br>\nimpedance behaviour: treatment of a pulsed magnetic field with a pulse repetition frequency f =&nbsp;<br>\n1 Hz and an exposure time t &lt;15 min leads to an irreversible decrease in the conductivity of the&nbsp;<br>\nnanoparticle surface by two times (from 3.47 &bull; 10-5 to 1.72 &bull; 10-5 Ohm-1 &bull; m-1), and processing&nbsp;<br>\nwith exposure time 15 &lt;t &lt;90 min leads to its increase by 10 times. Thus, the treatment of PMF&nbsp;<br>\ncauses &nbsp;formation &nbsp;in &nbsp;the &nbsp;near-surface &nbsp;zone &nbsp;of &nbsp;nanoparticles &nbsp;of &nbsp;a &nbsp;region &nbsp;depleted &nbsp;of &nbsp;charge&nbsp;<br>\ncarriers.</p>", 
  "license": "https://creativecommons.org/licenses/by/4.0/legalcode", 
  "creator": [
    {
      "@type": "Person", 
      "name": "Artem Shylo"
    }, 
    {
      "@type": "Person", 
      "name": "Aleksandr Doroshkevich"
    }, 
    {
      "@type": "Person", 
      "name": "Tetyana Konstantinova"
    }
  ], 
  "headline": "INFLUENCE OF A PULSED MAGNETIC FIELD ON THE ELECTRICAL  PROPERTIES OF NANOPOWDER SYSTEM BASED ON ZIRCONIA", 
  "image": "https://zenodo.org/static/img/logos/zenodo-gradient-round.svg", 
  "datePublished": "2017-09-12", 
  "url": "https://zenodo.org/record/3693928", 
  "@context": "https://schema.org/", 
  "identifier": "https://doi.org/10.5281/zenodo.3693928", 
  "@id": "https://doi.org/10.5281/zenodo.3693928", 
  "@type": "ScholarlyArticle", 
  "name": "INFLUENCE OF A PULSED MAGNETIC FIELD ON THE ELECTRICAL  PROPERTIES OF NANOPOWDER SYSTEM BASED ON ZIRCONIA"
}
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