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Significant suppression of ferromagnetism by hydrostatic pressure in the diluted magnetic semiconductor Sb2-xVxTe3

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216275%3A25310%2F07%3A00006316" target="_blank" >RIV/00216275:25310/07:00006316 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Significant suppression of ferromagnetism by hydrostatic pressure in the diluted magnetic semiconductor Sb2-xVxTe3

  • Original language description

    The paper reports on the hydrostatic pressure dependence of the magnetotransport properties of ferromagnetic Sb2-xVxTe3 single crystals with x = 0.02 ? 0.03. Pressure significantly increases the free hole concentration in these compounds. In turn, the Curie temperature is suppressed by roughly 40%, which goes against many models that would predict an increase in Curie temperature? with increasing carrier concentration. These results indicate that the ferromagnetism in these materials is carrier-mediated, and that a full RKKY model that takes into account the oscillatory nature of the indirect exchange interaction among localized spins is needed in order to explain the data.

  • Czech name

    Významné potlačení feromagnetismu hydrostatickým tlakem ve zředěných magnezických polovodičích Sb2-xVxTe3

  • Czech description

    Článek se zabývá vlivem hydrostatického tlaku na magnetotransportní vlastnosti monokrystalů Sb2-xVxTe3. Výsledky naznačují, že ferromagnetismus je v těchto materiálech skutečně zprostředkován volnými děrami v rámci RKKY teorie.

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

  • Continuities

    Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2007

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Applied Physics Letters

  • ISSN

    0003-6951

  • e-ISSN

  • Volume of the periodical

    91

  • Issue of the periodical within the volume

    n

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    5

  • Pages from-to

    22506-122510

  • UT code for WoS article

  • EID of the result in the Scopus database