The evolution of soft magnetic properties and the related density change during amorphous-nanocrystalline transformation

A. Lovas, B. Varga, L. Kiss, L. Nakonechna, Z. Kalincsák

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The frequency dependence of permeability and power loss are investigated in FINEMET samples after isothermal heat treatments, leading to structural relaxation and/or nanocrystallization. The rapid decrease in power loss and increase in permeability at low frequencies are connected mainly with the structural relaxation and the first period of nanocrystallization. The time scale for the evolution of soft magnetic properties at high frequencies is similar to that for the density change.

Original languageEnglish
Pages (from-to)489-491
Number of pages3
JournalJournal of Magnetism and Magnetic Materials
Volume254-255
DOIs
Publication statusPublished - Jan 2003

Fingerprint

Nanocrystallization
Structural relaxation
power loss
Magnetic properties
permeability
magnetic properties
heat treatment
Heat treatment
low frequencies

Keywords

  • Density change
  • Finemet
  • Loss
  • Nanocrystalline alloys
  • Permeability
  • Structural relaxation

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

The evolution of soft magnetic properties and the related density change during amorphous-nanocrystalline transformation. / Lovas, A.; Varga, B.; Kiss, L.; Nakonechna, L.; Kalincsák, Z.

In: Journal of Magnetism and Magnetic Materials, Vol. 254-255, 01.2003, p. 489-491.

Research output: Contribution to journalArticle

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AU - Kalincsák, Z.

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AB - The frequency dependence of permeability and power loss are investigated in FINEMET samples after isothermal heat treatments, leading to structural relaxation and/or nanocrystallization. The rapid decrease in power loss and increase in permeability at low frequencies are connected mainly with the structural relaxation and the first period of nanocrystallization. The time scale for the evolution of soft magnetic properties at high frequencies is similar to that for the density change.

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KW - Loss

KW - Nanocrystalline alloys

KW - Permeability

KW - Structural relaxation

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