• 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 ...

• Effect of wind on quadrotor battery consumption 

  Ercan, Hamdi; Ulucan, Hamdi; Kılıç, Şekibe (Emerald Publishing, 2024)

  Purpose: The advancements in battery technologies, while trailing behind technological progress, face challenges meeting the soaring energy demands of quadrotors, resulting in flight durations that are far from satisfactory. ...

• The Role of Folic Acid in Rat Embryo Development in a Hypoxic Environment: An Experimental Study 

  Dağlı, Ertuğrul; Nisari, Mehtap; Patat, Dilara; Çayan, Dicle; Atay, Emre; Ertekin, Tolga; Uçar, Sümeyye (Ercıyes Unıv Sch Medıcıne, 2024)

  Objective: Folic acid (FA) is a key antioxidant with substantial metabolic roles, and research has demonstrated its effectiveness in reducing congenital anatomical development disorders. This study explores the impact of ...

• 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 ...

• Nanostructured CuO Thin-Film-Based Conductometric Sensors for Real-Time Tracking of Sweat Loss 

  Aydin, Raşit; Akkaya, Abdullah; Kahveci, Osman; Sahin, Bünyamin (Amer Chemıcal Soc, 2023)

  Enhanced sweat sensors lead to real-time, sustained,noninvasivetracking of sweat loss, ensure insight into individual health conditionsat the molecular level, and have obtained prominent interest for theirhopeful implementations ...

• Synthesis of Al and In dual-doped CuO nanostructures via SILAR method: Structural, optical and electrical properties 

  Kahveci, Osman; Akkaya, Abdullah; Aydın, Raşit; Şahin, B.; Ayyıldız, Enise (Elsevier B.V., 2023)

  In this article, we investigated the doping characteristics of Al-doped CuO (ACO), and Al/In co-doped CuO (AICO) thin films, which were synthesized on glass substrates, via the solution-based successive ionic layer adsorption ...

• Molecular and Physiological Study in Patients with Coronavirus in Thi-Qar Province Iraq 

  Obaid, Khazaal M.; Çanlı, M.; Abdul, Kareem Jabbar E. (Razi Vaccine and Serum Research Institute, 2022)

  The current study aimed to study the effect of Covid-19 disease on some physiological parameters for assessing the physiological effect of Covid-19. The current study included 100 patients, 50 males, and 50 females, whose ...

• 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 ...

• 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 ...

• Solution-processed nanostructured ZnO/CuO composite films and improvement its physical properties by lustrous transition metal silver doping 

  Akkaya, A.; Şahin, B.; Aydın, R.; Çetin, H.; Ayyıldız, E. (Springer, 2020)

  This paper has reported the fabrication and characterization of pristine, and silver (Ag)-doped nanostructured ZnO/CuO composite thin films that have not been previously reported. The thin films were synthesized by the ...

• The effect of triclosan on in vitro embryonic development in rat 

  Çayan, Dicle; Unur, Erdoğan; Nisari, Mehtap; Patat, Dilara; Dağli, Ertuğrul; Akalin, Hilal (Veteriner Fakultesi Dergisi, 2020)

  Triclosan (TCS) is a broad spectrum antimicrobial agent showing its effect by deactivating the fatty acid synthesis of bacteria. The aim of this study was to investigate the effects of TCS on in vitro embryonic development ...

• 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 ...

• 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 ...

• Augmented reality in STEM education: a systematic review 

  Sırakaya, Mustafa; Alsancak Sırakaya, Didem (Routledge, 2020)

  This study aimed to systematically investigate the studies in which augmented reality (AR) was used to support Science, Technology, Engineering and Mathematic (STEM) education. In this framework, the general status of AR ...

• 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 ...

• Effect of post annealing on electrical properties of (Ni/Au)/Al0.20Ga0.80N Schottky contacts 

  Akkaya, Abdullah; Ayyildiz, Enise (ELSEVIER SCIENCE BV, 2016)

  The effects of thermal annealing on the electrical properties of Ni/Au Schottky contacts on n-type AlxGa1-xN (x=0.20) were investigated by current-voltage (I-V) and capacitance-voltage (C-V) measurements. The Schottky ...

• Optimization of heat treatment process parameters using neural networks and Nelder-Mead algorithm 

  Cakar, T.; Keskinkilic, F.; Koker, R. (NATL INST OPTOELECTRONICS, 2015)

  Metallurgical processes consist of different and complex production operations. One of them is heat treatment. Hardness value is an important response variable for heat treatment process. Heat treatment parameters and ...

• Effects of Post Annealing on I-V-T Characteristics of (Ni/Au)/Al0.09Ga0.91N Schottky Barrier Diodes 

  Akkaya A.; Ayyildiz E. (Institute of Physics Publishing, 2016)

  Post annealing is a simple, effective and suitable method for improving the diode parameters, especially when the used chemically stable substrates like Si, III-N and ternary alloys. In our work, we were applied this method ...

• Podagrionella Girault, 1913 (Hymenoptera: Torymidae: Podagrionini) Species from Turkey, with Descriptions of New Species 

  Doganlar, Oguzhan; Doganlar, Mikdat (TUBITAK SCIENTIFIC & TECHNICAL RESEARCH COUNCIL TURKEY, 2009)

  Two new Podagrionella Girault, 1913 (Hymenoptera: Torymidae: Podagrionini) species. Podagrionella eremiaphilae sp. nov, and P. konyaensis sp. nov., were collected from Konya and Sanliurfa (Bozova) provinces and are described. ...

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