Plasma oscillations in porous samples | Zendy

Y. Kornyushin | Zendy

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Plasma oscillations in porous samples

Author(s) -

Y. Kornyushin

Publication year - 2004

Publication title -

science of sintering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.309

H-Index - 25

eISSN - 1820-7413

pISSN - 0350-820X

DOI - 10.2298/sos0401043k

Subject(s) - oscillation (cell signaling) , plasma oscillation , dipole , electron , plasma , condensed matter physics , porosity , upper hybrid oscillation , slab , materials science , physics , chemistry , geophysics , quantum mechanics , composite material , biochemistry

The influence of the shape of a sample on the type of uniform dipole collective electrons oscillations is discussed. In samples of a bulk shape uniform bulk dipole oscillations cannot exist. They exist in samples of a thin slab shape only. However in essentially porous materials the electrostatic energy of the oscillation in a sample is considerably larger thus leading to stronger restoring force and higher frequency of the oscillation. When this frequency exceeds the Langmuir frequency, the oscillation becomes of a bulk type.

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