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Pressure dependence of Curie temperature and resistivity in complex Heusler alloys

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F11%3A10106066" target="_blank" >RIV/00216208:11320/11:10106066 - isvavai.cz</a>

  • Result on the web

    <a href="http://link.aps.org/doi/10.1103/PhysRevB.84.174422" target="_blank" >http://link.aps.org/doi/10.1103/PhysRevB.84.174422</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1103/PhysRevB.84.174422" target="_blank" >10.1103/PhysRevB.84.174422</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Pressure dependence of Curie temperature and resistivity in complex Heusler alloys

  • Original language description

    Using first-principles electronic structure calculations,we have studied the dependence of the Curie temperature on external hydrostatic pressure for random Ni2MnSn Heusler alloys doped with Cu and Pd atoms, over the entire range of dopant concentrations. The Curie temperatures are calculated by applying random-phase approximation to the Heisenberg Hamiltonian whose parameters are determined using the linear response and multiple scattering methods, based on density-functional theory. In (Ni1MINUS SIGNx,Pdx )2MnSn alloys, the Curie temperature is found to increase with applied pressure over the whole concentration range. The crossover from the increase to the decrease of the Curie temperature with pressure takes place for Cu concentrations larger thanabout 70% in (Ni1MINUS SIGN x,Cux )2MnSn Heusler alloys. The results for the reference Ni2MnSn Heusler alloy agree well with a previous theoretical study of E. Sasioglu, L. M. Sandratskii, and P. Bruno, Phys. Rev. B 71, 214412 (2005) and

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    BM - Solid-state physics and magnetism

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/GA202%2F09%2F0030" target="_blank" >GA202/09/0030: Anisotropic magnetocaloric effect - enhancement of application potential of magnetic refrigerants</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2011

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Physical Review B - Condensed Matter and Materials Physics

  • ISSN

    1098-0121

  • e-ISSN

  • Volume of the periodical

    84

  • Issue of the periodical within the volume

    17

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    8

  • Pages from-to

    174422, 1-8

  • UT code for WoS article

    000297157500005

  • EID of the result in the Scopus database