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Extreme instability of magnetic Fe-moment in amorphous alloys under pressure

Result description

The effect of high hydrostatic pressure on magnetization of the selected Fe-, FeNi-, FeCr- and FeW-based amorphous alloys has been studied in pressure range up to 1.2 GPa. The very strong non-linear decrease of magnetization under pressure was observed in all the studied alloys, with the extreme value of dlnM/dP =780*10(-3) GPa(-1) in the case of the amorphous Fe93Zr7 alloy. Moreover, the spin glass behaviour of the alloy at temperatures below 50 K has been strongly changed by pressure. The received results support the theoretical concepts based on a dominant role of the pressure-induced widening of the 3d-band of transition metals under high pressure.

Keywords

magnetic momentamorphous Fe-based alloyshigh pressure

The result's identifiers

Alternative languages

  • Result language

    angličtina

  • Original language name

    Extreme instability of magnetic Fe-moment in amorphous alloys under pressure

  • Original language description

    The effect of high hydrostatic pressure on magnetization of the selected Fe-, FeNi-, FeCr- and FeW-based amorphous alloys has been studied in pressure range up to 1.2 GPa. The very strong non-linear decrease of magnetization under pressure was observed in all the studied alloys, with the extreme value of dlnM/dP =780*10(-3) GPa(-1) in the case of the amorphous Fe93Zr7 alloy. Moreover, the spin glass behaviour of the alloy at temperatures below 50 K has been strongly changed by pressure. The received results support the theoretical concepts based on a dominant role of the pressure-induced widening of the 3d-band of transition metals under high pressure.

  • 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

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

    4

  • Pages from-to

  • Publisher name

    IOP Publishing

  • Place of publication

    Bristol

  • Event location

    Madrid

  • Event date

    Aug 30, 2015

  • Type of event by nationality

    WRD - Celosvětová akce

  • UT code for WoS article

    000418562300054

Result type

D - Article in proceedings

D

OECD FORD

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

Year of implementation

2017