Method and apparatus for detecting magnetism by means of electro

Details Method and apparatus for detecting magnetism by means of electro Method and apparatus for detecting magnetism by means of electro

1981-08-12

1984-06-19

Anderson, Bruce C.

Radiant energy

Inspection of solids or liquids by charged particles

250307, G01N 2300

Patent

active

044554869

ABSTRACT:
A beam of particles which undergoes a known charge state change in response to an exchange of two electrons having preoriented moments is generated. The beam is focused on a body, the magnetic properties of which are to be determined, in such a manner that the beam is reflected from the surface of the body. The number of particle charge state changes which occurred are measured in the reflected beam and provide an indication of the square of the magnetic value of the body and shows the magnetic state of the surface of the body.

REFERENCES:
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"Measurement of Surface Potential Between Ferroelectric Domains", Ferroelectrics, Bihan et al., vol. 13, No. 1-4, pp. 475-477, 1976.

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