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Schottky–Richardson, Poole–Frenkel, and Space Charge Limited Current Mechanisms in M‐Type Sr(MnTi) x Fe (12‐2x) O 19 Ferrite
Author(s) -
Singh Charanjeet,
Narang Sukhleen Bindra,
Jaroszewski Maciej,
Bhikan Vikas,
Kaur Pawandeep
Publication year - 2016
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/jace.14390
Subject(s) - schottky diode , ohmic contact , poole–frenkel effect , space charge , current density , electric field , condensed matter physics , schottky effect , materials science , ferrite (magnet) , thermal conduction , analytical chemistry (journal) , chemistry , physics , nanotechnology , optoelectronics , electron , diode , quantum mechanics , layer (electronics) , chromatography , composite material
The Static Current Density–Electric Field characteristics of Sr(MnTi) x F e (12‐2x) O 19 ferrite compositions ( x = 0.5, 1.0, 1.5, and 2.0) have been investigated from 4.15 to 36.30 kV/m at room temperature. Ohmic and nonohmic regions are observed at low and high field regimes. The various models, governing nonlinear conduction, are discussed qualitatively in terms of Space charge limited current ( SCLC ), Ionic hopping, Poole–Frenkel, Schottky–Richardson, and Fowler–Nordheim mechanisms. The results depict Child‐Langmuir type SCLC in the investigated compositions.

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