Source of spin polarized electrons using an emissive micropoint

Details Source of spin polarized electrons using an emissive micropoint Source of spin polarized electrons using an emissive micropoint

1987-11-25

1989-05-30

DeMeo, Palmer C.

Electric lamp and discharge devices

Discharge devices having a multipointed or serrated edge...

313351, 313336, 313156, 313157, H01J 102

Patent

active

048354384

ABSTRACT:
Spin polarized electron source using an emissive micropoint cathode. At least one portion of each micropoint, including the top of the latter, is ferromagnetic, so that the electrons emitted by the cathode are spin polarized in a given direction, when the portion is subject to a magnetic field parallel to the given direction.

REFERENCES:
patent: 3921022 (1985-11-01), Levine
patent: 4513308 (1985-04-01), Greene et al.
Applied Physics, vol. 14, No. 2, Oct. 1977, pp. 149-153; G. Baum et al: "Field Emission of Monoenergetic Spin-Polarized Electrons".

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