Poole-Frenkel Conduction in Cu/Nano-SnO2/Cu Arrangement | Zendy

Hossein Mahmoudi Chenari | Zendy; Hassan Sedghi | Zendy; M. Talebian | Zendy; Mir Maqsoud Golzan | Zendy; Ali Hassanzadeh | Zendy

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Poole-Frenkel Conduction in Cu/Nano-SnO₂/Cu Arrangement

Author(s) -

Hossein Mahmoudi Chenari,

Hassan Sedghi,

M. Talebian,

Mir Maqsoud Golzan,

Ali Hassanzadeh

Publication year - 2011

Publication title -

journal of nanomaterials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.463

H-Index - 66

eISSN - 1687-4129

pISSN - 1687-4110

DOI - 10.1155/2011/190391

Subject(s) - materials science , poole–frenkel effect , thermal conduction , tin , metal , space charge , condensed matter physics , conduction band , nano , current (fluid) , voltage , nanotechnology , chemical physics , thermodynamics , electrical engineering , composite material , physics , electron , metallurgy , quantum mechanics , engineering

It is well known that metal/Tin-dioxide/metal sandwich structures exhibit a field-assisted lowering of the potential barrier between donor-like center and the conduction band edge, known as the Poole-Frenkel effect. This behavior is indicated by a linear dependence of Iog on 1/2, where is the current density, and is the applied voltage. In this study, the electrical properties of Cu/nano-SnO2/Cu sandwich structures were investigated through current-voltage measurements at room temperature. Also, an attempt to explore the governing current flow mechanism was tried. Our results indicate that noticeable feature appearing clearly in the current-voltage characterization is the Poole-Frenkel and space-charge-limited conduction mechanisms

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