Study of metallic glasses by measuring the Doppler broadening of the positron annihilation γ‐radiation and the electrical resistivity

Z. Kajcsos, J. Winter, S. Mantl, W. Triftshäuser

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Measurements of the Doppler broadening of the 511 keV positron annihilation γ‐quanta and the electrical resistivity are performed on the metallic glasses Fe80B20, Fe78Mo2B20, and Fe32Ni36Cr14P12B6 (Metglas ® 2605, 2605A, 2826A, respectively), In contrast to previous measurements on other metallic glasses, significant changes in the lineshape parameter are observed due to recrystallization. The close resemblance of the temperature dependence of the Iv parameter for the glassy metals with the one observed for pure metals containing extended types of defects e.g. vacancy clusters, voids etc. suggests the existence of vacancy‐type defects in the glassy structure. The assumption that microcrystallite formation or structural relaxation occurs prior to the glass‐crystalline transition in Fe32Ni36Cr14P12B6, is supported by the experiments.

Original languageEnglish
Pages (from-to)77-82
Number of pages6
Journalphysica status solidi (a)
Volume58
Issue number1
DOIs
Publication statusPublished - 1980

Fingerprint

Positron annihilation
Doppler effect
Metallic glass
metallic glasses
positron annihilation
Metals
Radiation
Defects
Structural relaxation
electrical resistivity
defects
radiation
metals
Vacancies
voids
temperature dependence
Experiments
Temperature

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Study of metallic glasses by measuring the Doppler broadening of the positron annihilation γ‐radiation and the electrical resistivity. / Kajcsos, Z.; Winter, J.; Mantl, S.; Triftshäuser, W.

In: physica status solidi (a), Vol. 58, No. 1, 1980, p. 77-82.

Research output: Contribution to journalArticle

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