Admittance of CdS nanowires embedded in porous alumina template | Zendy

A. Varfolomeev | Zendy; D.F. Zaretsky | Zendy; V. I. Pokalyakin | Zendy; S. A. Tereshin | Zendy; Sandipan Pramanik | Zendy; S. Bandyopadhyay | Zendy

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Admittance of CdS nanowires embedded in porous alumina template

Author(s) -

A. Varfolomeev,

D.F. Zaretsky,

V. I. Pokalyakin,

S. A. Tereshin,

Sandipan Pramanik,

S. Bandyopadhyay

Publication year - 2006

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.2185729

Subject(s) - nanowire , conductance , materials science , mean free path , admittance , condensed matter physics , capacitance , porosity , phonon , bistability , electron , nanotechnology , optoelectronics , composite material , physics , electrical impedance , quantum mechanics , electrode

CdS nanowires of 10nm diameter, electrodeposited in porous alumina films, had shown a conductance bistability in the past [Appl. Phys. Lett. 76, 460 (2000)]. The conductance has a high (ON) and a low (OFF) state. In the ON state, different sets of nanowires display qualitatively different relation between the conductance and capacitance. We propose a model to explain this anomalous behavior. Based on this model, we predict that the inelastic mean free path of electrons in the nanowires is 3–3.5nm at room temperature. This short mean free path may be a consequence of acoustic phonon confinement.

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