A comparative study of photoconductivity decay in ZnO-based MSM structures and nanowires
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RUSU, Emil, POSTOLACHE, Vitalie, CURMEI, Nicolai, URSACHI, Veaceslav. A comparative study of photoconductivity decay in ZnO-based MSM structures and nanowires. In: Moldavian Journal of the Physical Sciences, 2016, nr. 3-4(15), pp. 158-163. ISSN 1810-648X.
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Moldavian Journal of the Physical Sciences
Numărul 3-4(15) / 2016 / ISSN 1810-648X /ISSNe 2537-6365

A comparative study of photoconductivity decay in ZnO-based MSM structures and nanowires
CZU: 537.533.35+539.975

Pag. 158-163

Rusu Emil1, Postolache Vitalie2, Curmei Nicolai1, Ursachi Veaceslav1
 
1 Institute of the Electronic Engineering and Nanotechnologies "D. Ghitu" of the Academy of Sciences of Moldova,
2 Technical University of Moldova
 
 
Disponibil în IBN: 26 ianuarie 2017


Rezumat

Comparative analysis of transient photoconductivity in ZnO-based MSM structures and nanowires is performed in this paper. The measurements are carried out at room temperature in ambient air. The mechanisms of photoconductivity decay are discussed taking into account the range of measured relaxation times. It is found that the photoconductivity decay is determined by bulk effects in MSM structures, while it is governed by surface states and surface band bending effects in networks of nanowires.