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Electron field emission from ferromagnetic europium sulfide on tungsten

Physical Review B, ISSN: 0163-1829, Vol: 18, Issue: 5, Page: 2256-2275
1978
  • 94
    Citations
  • 0
    Usage
  • 8
    Captures
  • 0
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Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    94
    • Citation Indexes
      94
  • Captures
    8

Article Description

The emission process from W-EuS junction field emitters was studied by combination of several experimental methods: measurement of emission current, spin polarization, energy distribution, and energy-selective spin polarization as function of emitter temperature for different annealing conditions. The results show that with critical annealing a stoichiometric crystalline EuS layer can be obtained; the interface of such a layer on tungsten acts as a spin filter below the EuS Curie temperature. With emitters annealed at higher temperatures, evidence for electron trapping and the formation of spin clusters has been obtained. © 1978 The American Physical Society.

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