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Au-Ag binary alloys on n-GaAs substrates and effect of work functions on Schottky barrier height

Akkaya, Abdullah (Springer, 2021)

In this study, I investigated the effect of work function (phi(m)) of AuxAg1-x (x = 0, 0.22, 0.37, 0.71 and 1) on the Au-Ag/n-GaAs Schottky diode (SD) parameters. Ag, Au metals and three alloys with different compositions ...

Automation Software for Semiconductor Research Laboratories: Electrical Parameter Calculation Program (SeCLaS-PC)

Akkaya, A.; Ayyıldız, E. (World Scientific, 2020)

We prepared a simple program for basic electrical measurements and parameter extraction from these measurements of metal-semiconductor (MS) contacts. In this paper, we introduce a basic electrical parameter calculation ...

Characterization and determination of thermal and radioluminescence properties of low-density polyethylene (LDPE)-(nanozeolite + Y2O3) composite

Çanlı, Murat; Keskin, İlker Çetin; Türemiş, Murat; Şirin, Kamil; Kati, Mehmet İsmail (Sage Publıcatıons Ltd, 2020)

Nanotechnology has become one of the most popular areas of interdisciplinary research. In the vast majority of nanotechnology applications, polymer-based matrices were used as the dispersing medium of nanoparticles. The ...

Characterization and determination of thermal and radioluminescence properties of low-density polyethylene (LDPE)-(nanozeolite + Y2O3) composite

Çanlı, Murat; Keskin, İlker Çetin; Türemiş, Murat; Şirin, Kamil; Kati, Mehmet İsmail (Sage Publıcatıons Ltd, 2020)

Nanotechnology has become one of the most popular areas of interdisciplinary research. In the vast majority of nanotechnology applications, polymer-based matrices were used as the dispersing medium of nanoparticles. The ...

Comparative study of Ti/Al and Ti/Al/Ti/Au ohmic contacts to AlGaN/ GaN heterostructures

Canbolat, Ayşe; Akkaya, Abdullah; Ayyildiz, Enise (Elsevier, 2024)

We investigated the electrical properties and the ohmic contact formation considering Ti/Al and Ti/Al/Ti/Au ohmic contact metallization schemes on AlGaN/GaN heterostructures. The specific contact resistance of contacts was ...

Comparison Ofthe Ti/N-Gaas Schottky Contacts' Parameters Fabricated Using Dc Magnetron Sputtering And Thermal Evaporation

Kahveci, Osman; Akkaya, Abdullah; Ayyildiz, Enise; Turut, Abdulmecit (WORLD SCIENTIFIC PUBL CO PTE LTD, 2017)

We have fabricated the Ti/n-type GaAs Schottky diodes (SDs) by the DC magnetron deposition and thermal evaporation, cut from the same GaAs substrates, and we have made a comparative study of the current-voltage (I-V) ...

Effects of salt stress on pigment and total soluble protein contents of three different tomato cultivars

Doganlar, Zeynep Banu; Demir, Koksal; Basak, Hakan; Gul, Ismail (ACADEMIC JOURNALS, 2010)

In this study, the effects of salt stress on pigment and total soluble protein contents were investigated in different varieties of tomato (Lycopersicon esculentum Mill.). The seedlings of L. esculentum viz. Hazera, Dalli ...

Fabrication And Characterizatıon Of Au/Carmine/N-Gaas Schottky Diode By Spin Coating Technique

Akkaya, A.; Kantar, B. B.; Guneri, E.; Ayyildiz, E. (VIRTUAL INST PHYSICS, 2019)

Carmine thin films were obtained on both quartz glass and n-GaAs semiconductor using spin coating. Scanning electron microscopy (SEM) shows that the thin film has a uniform surface and the average grain size is 30.717 nm. ...

First record of the eucalyptus seed gall wasp, Quadrastichodella nova Girault, 1922, (Eulophidae : Tetrastichinae) from Turkey

Doganlar, Oguzhan; Doganlar, Miktad (TUBITAK SCIENTIFIC & TECHNICAL RESEARCH COUNCIL TURKEY, 2008)

The present study was carried out during 2006 and 2007 in a eucalyptus planted area in the Mediterranean region of Turkey. The eulophid species Quadrastichodella nova Girault (Hymenoptera: Eulophidae: Tetrastichinae) was ...

First record of the eucalyptus seed gall wasp, Quadrastichodella nova Girault, 1922, (Eulophidae: Tetrastichinae) from Turkey

Doganlar O.; Doganlar M. (2008)

The present study was carried out during 2006 and 2007 in a eucalyptus planted area in the Mediterranean region of Turkey. The eulophid species Quadrastichodella nova Girault (Hymenoptera: Eulophidae: Tetrastichinae) was ...

First-principles calculations to investigate the structural, electronic, elastic, vibrational and thermodynamic properties of the full-Heusler alloys X2ScGa (X = Ir and Rh)

Çanlı, Murat; İlhan, Esin; Arıkan, Nihat (Elsevier Ltd, 2021)

This study has investigated ab initio pseudopotential calculations on the structural, electronic, elastic, vibrational and thermodynamic properties of the full-Heusler X2ScGa (X = Ir and Rh) alloys. The calculations have ...

Green and cost-effective synthesis of zinc oxide thin films by L-ascorbic acid (AA) and their potential for electronics and antibacterial applications

Tasdemir, Abdulkadir; Akman, Nazife; Akkaya, Abdullah; Aydin, Raşit; Şahin, Bünyamin (Elsevıer Scı Ltd, 2022)

The evolution of eco-friendly, green route and cheap technology for synthesizing nanostructured zinc oxide (ZnO) thin films using plant extracts is a promising choice because such materials present a widespread potential for ...

Investigation of the temperature-dependent electrical properties of Au/PEDOT:WO3/p-Si hybrid device

Keskin, Mine; Akkaya, Abdullah; Ayyildiz, Enise; Oksuz, Aysegul Uygun; Karakus, Mucella Ozbay (SPRINGER, 2019)

The electrical properties of Au/PEDOT:WO3/p-Si hybrid devices were studied in terms of current-voltage (I-V) and capacitance-voltage (C-V) measurements. Poly (3,4-ethylene dioxythiophene/tungsten trioxide (PEDOT:WO3) ...

Light-weight and flexible Ni-doped CuO (Ni:CuO) thin films grown using the cost-effective SILAR method for future technological requests

Aydın, R.; Akkaya, A.; Şahin, B. (Springer, 2022)

Products based on nanostructured flexible thin films, which are anticipated to make their way into our lifetimes in the near future. Therefore, nanostructured metal-oxide thin-film materials grown on flexible substrates ...