Ferromagnetic Relaxation in Ultrathin Films of Amorphous Alloys.

Abstract

It is suggested that the shielding effectiveness of devices designed for electromagnetic pulse (FMR) mitigation could be significantly improved by the use of ferromagnetic materials which are amorphous rather than crystalline. Prior to investigating ferromagnetic relaxation, i.e., magnetic losses, in such materials, it is necessary to understand ferromagnetic resonance field (or frequencies), especially for materials in the form of ultrathin films. In the present report this aim is accomplished by the development and use of a method which allows the first reliable measurement of magnetic surface anisotropy. Keywords: Amorphous Ferromagnetic Alloys.

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Document Details

Document Type
Technical Report
Publication Date
Apr 04, 1986
Accession Number
ADA166727

Entities

People

  • George T. Rado

Organizations

  • Johns Hopkins University

Tags

Communities of Interest

  • Advanced Electronics

DTIC Thesaurus Topics

  • Amorphous Materials
  • Contracts
  • Ferromagnetic Materials
  • Ferromagnetic Resonance
  • Films
  • Frequency
  • Fringe Benefits
  • K Band
  • Magnetic Fields
  • Magnetic Materials
  • Magnetic Properties
  • Magnetic Resonance
  • Materials
  • Materials Laboratories
  • Measurement
  • Military Research
  • Thin Films

Fields of Study

  • Physics

Readers

  • Brain and Cognitive Science; Experimental Psychology; Cognitive Neuroscience
  • Nanocomposite Materials Science
  • Quantum spin resonance or Electron Paramagnetic Resonance spectroscopy.