Semiconductor materials and interfaces

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• YASEMİN ÇİFTCİ

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• ENGİN DELİGÖZ

Temperature-dependent current-voltage measurements are used to determine the dominant recombination path in thin-film heterojunction solar cells based on a variety of Cu(In,Ga)(Se,S)2 alloys. The activation energy of recombination follows the band gap energy of the respective Cu(In,Ga)(Se,S)2 alloy as long as the film…

• OSMAN PAKMA

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• ŞÜKRÜ KARATAŞ

The current–voltage (I–V) characteristics of CrNiCo alloy Schottky contacts on a molecular-beam epitaxy n-GaAs substrate have been measured over the temperature range of 130–330 K and have been interpreted based on the assumption of a Gaussian distribution of barrier heights due to barrier height inhomogeneities that…

• AHMET GÜMÜŞ

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• NİHAT TUĞLUOĞLU

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• NİHAT TUĞLUOĞLU

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• ADEM TATAROĞLU

In this paper, structural, elastic, and dynamical properties of Cu${}_{2}$ZnSnS${}_{4}$ and Cu${}_{2}$ZnSnSe${}_{4}$ are calculated for kesterite and stannite structures using the density functional and density functional perturbation theories. The stability of these two materials, either in a kesterite or stannite cr…

• TANJU GÜREL

We have investigated phase stability in the layered intercalation compound for x < 0.4 from first principles. By combining a lattice model description of the Li‐vacancy configurational degrees of freedom with first‐principles pseudopotential calculations, we have calculated the free energy of the material as a functio…

• MEHMET KADRİ AYDINOL

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• ADEM TATAROĞLU

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• ŞAKİR AYDOĞAN