Impedance Spectroscopy of Nanostructure p-ZnGa_{2}Se_{4}/n-Si Heterojunction Diode

• Authors: I. Yahia , M. Fadel , G. Sakr , S. Shenouda , F. Yakuphanoglu , W. Farooq
• Languages of publication: EN

Abstracts

EN

The impedance characteristics of the nanostructure p-ZnGa_2Se_4/n-Si heterojunction diode were investigated by impedance spectroscopy method in the temperature range (303-503 K) and the frequency range (42 Hz-5 MHz). The real and imaginary parts of the complex impedance are changed with the frequency. Both are decreased with increasing temperature at the lower frequencies and are merged at the higher frequencies. The dielectrical relaxation mechanism of the diode was analyzed by the Cole-Cole plots. The Cole-Cole plots under various temperatures exhibit one relaxation mechanism. With increasing temperature, the radius of the Cole-Cole plots decreases, which suggests a mechanism of temperature-dependent on relaxation.

Keywords

EN

84.37.+q; 87.63.Pn

Discipline

• 84.37.+q: Measurements in electric variables (including voltage, current, resistance, capacitance, inductance, impedance, and admittance, etc.)
• 87.63.Pn: Electrical impedance tomography (EIT)

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2011
• Volume: 120
• Issue: 3
• Pages: 563-566

Dates

published

2011-09

received

2011-02-25

(unknown)

2011-03-24

Contributors

author

I. Yahia

• Department of Physics, Faculty of Education, Ain Shams University, Roxy, Cairo, Egypt

author

M. Fadel

• Department of Physics, Faculty of Education, Ain Shams University, Roxy, Cairo, Egypt

author

G. Sakr

• Department of Physics, Faculty of Education, Ain Shams University, Roxy, Cairo, Egypt

author

S. Shenouda

• Department of Physics, Faculty of Education, Ain Shams University, Roxy, Cairo, Egypt

author

F. Yakuphanoglu

• Department of Metallurgical and Materials Engineering, Firat University, Elazig, Turkey
• Department of Physics and Astronomy, College of Science, King Saud University, Riyadh, Kingdom of Saudi Arabia

author

W. Farooq

• Department of Physics and Astronomy, College of Science, King Saud University, Riyadh, Kingdom of Saudi Arabia

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Identifiers

DOI

10.12693/APhysPolA.120.563