PARAMAGNETIC RESONANCE IN RARE EARTH METALS.

Abstract

Apparatus for the observation of spin wave resonance (SWR) in rare earth metal films in magnetic fields of 27 Koe and at liquid nitrogen temperatures was developed. Although SWR was observed in evaporated iron and nickel films none has been observed in gadolinium. This may be due to oxidations during preparation, magnetostrictive strains in the crystal dispersion in the magnetization, or a combination of these. The problems involved in the preparation of these films were defined and a programme of producing thin gadolinium films and examining them by transmission electron microscopy was commenced. The use of Lorentz electron microscope techniques allow of the simultaneous examination of magnetic and crystallographic structure. (Author)

Document Details

Document Type
Technical Report
Publication Date
Jun 26, 1967
Accession Number
AD0657790

Entities

People

  • A. M. Harris
  • Brian Johnson
  • D. W. Temple
  • R. S. Tebble

Organizations

  • University of Sheffield

Tags

DTIC Thesaurus Topics

  • Electron Microscopes
  • Electron Microscopy
  • Films
  • Gadolinium
  • Magnetic Fields
  • Magnetic Properties
  • Metal Films
  • Metals
  • Microscopes
  • Microscopy
  • Paramagnetic Resonance
  • Rare Earth Elements
  • Resonance
  • Spin Waves
  • Transmission Electron Microscopy

Fields of Study

  • Physics

Readers

  • Materials Science and Engineering.
  • Thin Film Deposition Science.

Technology Areas

  • Microelectronics
  • Microelectronics - Graphene