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Record critical current density in bulk MgB2 using carbon-coated amorphous boron with optimum sintering conditions

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F17%3A00477669" target="_blank" >RIV/68378271:_____/17:00477669 - isvavai.cz</a>

  • Result on the web

    <a href="http://dx.doi.org/10.1088/1742-6596/871/1/012056" target="_blank" >http://dx.doi.org/10.1088/1742-6596/871/1/012056</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1088/1742-6596/871/1/012056" target="_blank" >10.1088/1742-6596/871/1/012056</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Record critical current density in bulk MgB2 using carbon-coated amorphous boron with optimum sintering conditions

  • Original language description

    We report on the synthesis and characterization of a sintered bulk MgB2 material produced at an optimized sintering temperature with a varying content of carbon-encapsulated amorphous boron. A series of MgB2 bulks was prepared with 0%, 1.5%, 2.8%, 7.3%, 12% and 16.5% of carbon-encapsulated boron. In the samples with 12% of carbon-encapsulated boron, Mg and MgB2C2 formation was observed. Tc was around 38.4 K for the pure MgB2 and decreased with increasing carbon content up to 25 K for 16.5 % of carbon-encapsulated boron. The highest Jc values of 470 kA/cm2 and 310 kA/cm2, in the self-field and 1 T, respectively, were achieved at 20 K, in the MgB2 sample with 1.5% of carbon-encapsulated boron. It proved that the optimized sintering conditions together with the appropriate amount of the carbon-coated boron were able to bring critical current performance of bulk MgB2 material up to the level necessary for real technical applications.nn

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

  • OECD FORD branch

    10302 - Condensed matter physics (including formerly solid state physics, supercond.)

Result continuities

  • Project

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2017

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    Journal of Physics: Conference Series

  • ISBN

  • ISSN

    1742-6588

  • e-ISSN

  • Number of pages

    6

  • Pages from-to

  • Publisher name

    IOP Publishing

  • Place of publication

    Bristol

  • Event location

    Tokyo

  • Event date

    Dec 13, 2016

  • Type of event by nationality

    WRD - Celosvětová akce

  • UT code for WoS article