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Annealing-induced crystallization of the Er2Fe13.8B alloy amorphized by irradiation

Result description

To study the evolution of structural and magnetic states of irradiation_amorphized Er2Fe13.8B alloy during isothermal annealing at temperatures of 295?1025 K, magnetization measurements and neutron diffraction analysis have been performed. The annealingof the alloy leads to the crystallization of the Nd2Fe14B-type phase, its amount reaches about 84% of the sample volume, and Fe (16%). Neutron diffraction studies have shown that the alloy crystallizes in a temperature range of 590?638 K. Magnetic measurements indicate the increase in the spontaneous magnetization and coercive force as the annealing temperature increases above 800 K. The magnetization of the Er sublattice in the sample annealed at 993 K is lower than that of the crystalline sample before its amorphization. However, the magnetic anisotropy of the Er sublattice is unchanged, i.e., the easy axes remain oriented in the basal plane of the tetragonal lattice.

Keywords

permanent magnetsamorphous stateisochronous annealingcrystallizationneutron diffraction

The result's identifiers

Alternative languages

  • Result language

    angličtina

  • Original language name

    Annealing-induced crystallization of the Er2Fe13.8B alloy amorphized by irradiation

  • Original language description

    To study the evolution of structural and magnetic states of irradiation_amorphized Er2Fe13.8B alloy during isothermal annealing at temperatures of 295?1025 K, magnetization measurements and neutron diffraction analysis have been performed. The annealingof the alloy leads to the crystallization of the Nd2Fe14B-type phase, its amount reaches about 84% of the sample volume, and Fe (16%). Neutron diffraction studies have shown that the alloy crystallizes in a temperature range of 590?638 K. Magnetic measurements indicate the increase in the spontaneous magnetization and coercive force as the annealing temperature increases above 800 K. The magnetization of the Er sublattice in the sample annealed at 993 K is lower than that of the crystalline sample before its amorphization. However, the magnetic anisotropy of the Er sublattice is unchanged, i.e., the easy axes remain oriented in the basal plane of the tetragonal lattice.

  • Czech name

    —

  • Czech description

    —

Classification

  • Type

    Jx - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    BM - Solid-state physics and magnetism

  • OECD FORD branch

    —

Result continuities

Others

  • Publication year

    2015

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Physics of Metals and Metallography

  • ISSN

    0031-918X

  • e-ISSN

    —

  • Volume of the periodical

    116

  • Issue of the periodical within the volume

    3

  • Country of publishing house

    RU - RUSSIAN FEDERATION

  • Number of pages

    6

  • Pages from-to

    242-247

  • UT code for WoS article

    000351696200004

  • EID of the result in the Scopus database

    2-s2.0-84925654937

Result type

Jx - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

Jx

CEP

BM - Solid-state physics and magnetism

Year of implementation

2015

Similar results(10)

Amorphous?crystalline state transformation induced by annealing in Nd2 Fe14 B (R = Nd, Er) compoundsMagnetism of ordered and disordered alloys of R2Fe14B (R = Nd, Er) typeAntiferromagnetic ordering in the double perovskites La2-xSrxCoRuO6.