New method and treatment technique applied to interband transition in GaAs1−x Px ternary alloys

• Autorzy: Cristina-Mihaela Băleanu , Raoul Nigmatullin , Saime Cetin , Dumitru Băleanu , Suleyman Ozcelik
• Języki publikacji: EN

Abstrakty

EN

In this paper we presented a new method (Eigen-Coordinates (ECs)) that can be used for calculations of the critical points (CPs) energy of the interband-transition edges of the heterostructures. This new method is more accurate and complete in comparison with conventional ones and has a wide range of application for the calculation of the fitting parameters related to nontrivial functions that initially have nonlinear fitting parameters that are difficult to evaluate. The new method was applied to determine the CPs energies from the dielectric functions of the MBE grown GaAs1−xPx ternary alloys obtained using spectroscopic ellipsometry (SE) measurements at room temperature in the 0.5-5 eV photon energy region. The obtained results are in good agreement with the results of the other methods.

Słowa kluczowe

EN

Eigen-coordinates method; critical points energy; spectroscopic ellipsometry; MBE; GaAsP

• Czasopismo: Open Physics
• Rocznik: 2011
• Tom: 9
• Numer: 3
• Strony: 729-739

Daty

wydano

2011-06-01

online

2011-02-26

Twórcy

autor

Cristina-Mihaela Băleanu

• Faculty of Physics, Magurele-Bucharest, Romania and National Mihail Sadoveanu High School, District 2, University of Bucharest, Bucharest, Romania

autor

Raoul Nigmatullin

• Theoretical Physics Department, Kazan State University, Kazan, 420008, Tataristan, Russia

autor

Saime Cetin

• Faculty of Art and Sciences, Department of Physics, Gazi University, Teknikokullar, Ankara, 06500, Turkey

autor

Dumitru Băleanu

• Faculty of Art and Sciences, Department of Mathematics and Computer Sciences, Çankaya University, Ankara, 06530, Turkey,

autor

Suleyman Ozcelik

• Faculty of Art and Sciences, Department of Physics, Gazi University, Teknikokullar, Ankara, 06500, Turkey,

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Identyfikatory

DOI

10.2478/s11534-010-0068-y