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Title: Effects of forming magnetic field on characteristics of photo-magneto-electrets of kapton-H polyimide
Authors: Qureshi, M S
Dubey, R N
Tyagi, Aarti
Keywords: Photo-magneto-electrets;Depolarization;Photoconducting material;Aromatic polyimide;Electrets
Issue Date: Sep-2005
Publisher: CSIR
IPC Code: H01G7/02
Abstract: Photo-magneto-electrets of kapton-H-polyimide, a photoconducting material, have been prepared under various magnetic fields. Formation current, dark depolarization and photo-depolarization current studies have been reported. Formation current increases and becomes constant after some time. Saturation current increases with forming magnetic field. The variations of depolarization current of PMEs of kapton-H-polyimide, show a sharp maximum and then current decays, becoming constant in about ten min. Total area below the depolarization current versus time gives an idea about the volume polarization in the dielectric by simultaneous application of magnetic field and optical radiation.
Page(s): 684-687
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Appears in Collections:IJPAP Vol.43(09) [September 2005]

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