Ferroelectric Cathodes in Transverse Magnetic Fields | Zendy

A. Dunaevsky | Zendy; Yevgeny Raitses | Zendy; N. J. Fisch | Zendy

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Ferroelectric Cathodes in Transverse Magnetic Fields

Author(s) -

A. Dunaevsky,

Yevgeny Raitses,

N. J. Fisch

Publication year - 2002

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/808378

Subject(s) - transverse plane , condensed matter physics , magnetic field , plasma , cathode , ferroelectricity , materials science , planar , electron , optics , physics , chemistry , optoelectronics , engineering , nuclear physics , computer graphics (images) , structural engineering , quantum mechanics , computer science , dielectric

Experimental investigations of a planar ferroelectric cathode in a transverse magnetic field up to 3 kGs are presented. It is shown that the transverse magnetic field affects differently the operation of ferroelectric plasma cathodes in ''bright'' and ''dark'' modes in vacuum. In the ''bright'' mode, when the surface plasma is formed, the application of the transverse magnetic field leads to an increase of the surface plasma density. In the ''dark'' mode, the magnetic field inhibits the development of electron avalanches along the surface, as it does similarly in other kinds of surface discharges in the pre-breakdown mode

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