Microanalysis of Atomic Clustering in Electromagnetic Materials

Abstract

Possible clustering mechanism have been studies in two systems (i) intermetallic spin glass compound Co (x) Ga (1-x) and (ii) amorphous magnetic ribbons of general composition (fe,Co) (1-x) (B,Si)(x). In the CoGa system evidence for vacancy clustering has been found following bombardment by Ar(+) ions, this gives rise to dislocation dipoles up to 0.5 microns in length. Annealing or magnetic annealing of the amorphous ribbons may produce ordering of interstitial boron, phosphorus or silicon atoms or clustering of separate amorphous phases: in either casw uniaxial anisotropy is liked to be induced. Ion, proton and electron irradiation of amorphous materials can produce similary effects. Annealing above the crystallization temperature results in precipitation of second crystalline phases. (JHD)

Open PDF

Document Details

Document Type
Technical Report
Publication Date
Sep 30, 1982
Accession Number
ADA215125

Entities

People

  • R. S. Tebble

Organizations

  • University of Salford

Tags

Communities of Interest

  • Advanced Electronics
  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Alloys
  • Amorphous Materials
  • Annealing
  • Clustering
  • Crystallization
  • Curie Temperature
  • Electron Microscopes
  • Electron Microscopy
  • Heat Treatment
  • Magnetic Fields
  • Magnetic Properties
  • Materials
  • Microscopes
  • Phase Separation
  • Point Defects
  • Scattering
  • X Ray Scattering

Fields of Study

  • Physics

Readers

  • Materials Science and Engineering.
  • Powder metallurgy of Titanium alloys.
  • Quantum Chemistry

Technology Areas

  • Microelectronics
  • Microelectronics - Graphene