Yazar "Ilgaz, Aykut" için listeleme
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AlGa(In)N/GaN yüksek elektron mobiliteli transistörlerde iki boyutlu elektron gazına ait sıcak elektron dinamiğinin incelenmesi.
Ilgaz, Aykut (Balıkesir Üniversitesi Fen Bilimleri Enstitüsü, 2011)Bu çalışmada Al(In)GaN/Ga(In)N HEMT yapıların sıcak elektron dinamiği deneysel ve teorik olarak çalışıldı. Deneysel kısımda ilk olarak örnekler metal organik kimyasal buhar depozisyonu (MOCVD) yöntemi ile safir alt taş ... -
Comparison of the transport properties of high quality AlGaN/AlN/GaN and AlInN/AlN/GaN two-dimensional electron gas heterostructures
Tülek, Remziye; Ilgaz, Aykut; Gökden, Sibel; Teke, Ali; Öztürk, Mustafa Kemal; Kasap, Mehmet; Özçelik, Süleyman; Arslan, Engin; Özbay, Ekmel (Amer Inst Physics, 2009)The transport properties of high mobility AlGaN/AlN/GaN and high sheet electron density AlInN/AlN/GaN two-dimensional electron gas (2DEG) heterostructures were studied. The samples were grown by metal-organic chemical vapor ... -
Determination of dielectric performance and surface heteromorphology in single-walled carbon nanotube/vinylester polymer composites by fractal approaches
Ilgaz, Aykut; Bayırlı, Mehmet (Taylor and Francis Ltd., 2023)This study aims to establish a relationship between the dielectric characteristics and fractal parameters of single walled carbon nanotube reinforced vinylester based nanocomposites manufactured by sheet molding compound ... -
Dielectric analysis of single walled carbon nanotubes loaded smc composites depending on resin type
Ilgaz, Aykut (Natl Inst Science Communication-Niscair, 2022)This paper investigates effect of different industrial resins including vinyl ester and unsaturated polyester produced by sheet moulding compound (SMC) method on conductivity and dielectric properties of single walled ... -
The effect of scattering mechanisms on the low field mobility in GaN/AlGaN heterostructures
Gökden, Sibel; Ilgaz, Aykut; Balkan, Naci; Mazzucato, Simone (Elsevier Science Bv, 2004)The effect of all standard scattering mechanisms, including scattering by acoustic and optical phonons, background impurities and dislocation, on two-dimensional electron gas (2DEG) transport in GaN/AlGaN heterostructures ... -
The effect of single walled carbon nanotubes on conductivity and thermal properties of glass fiber reinforced composites
Bayırlı, Mehmet; Ilgaz, Aykut (Institute of Physics, 2024)This paper reports on a comprehensive study of the effect of single-walled carbon nanotube (SWCNT) on the alternating current (AC) conductivity, thermal and morphological properties of the unsaturated polyester based ... -
Energy relaxations of hot electrons in AlGaN/AlN/GaN heterostructures grown by MOCVD on sapphire and 6H-SiC substrates
Ilgaz, Aykut; Gökden, Sibel; Tülek, Remziye; Teke, Ali; Özçelik, Süleyman; Özbay, Ekmel (EDP Sciences S A, 2011)In this work, we investigated the hot-electron dynamics of AlGaN/GaN HEMT structures grown by MOCVD on sapphire and SiC substrates at 80 K. High-speed current-voltage measurements and Hall measurements over the temperature ... -
Fractal analyses of AlxGa1-xN thin film surfaces on AlN at different annealing temperatures
Bayırlı, Mehmet; Zeybek, Orhan; Ilgaz, Aykut (IOP Publishing Ltd, 2024)The determination of heteromorphological structures formed on the surface during annealing of AlxGa1−xN thin film grown on sapphire substrate using the metal organic chemical vapor deposition technique at different ... -
Fractal approach to dielectric properties of single walled carbon nanotubes reinforced polymer composites
Ilgaz, Aykut; Bayırlı, Mehmet (2023)In this paper, the internal structure and dielectric properties of unsaturated polyester resin-based neat and single-walled carbon nanotube reinforced composites were comprehensively evaluated with the fractal analysis ... -
Fractal characterization for conductivity mechanism of single-walled carbon nanotube doped composites
Ilgaz, Aykut; Bayırlı, Mehmet (Indian Assoc Cultivation Science, 2023)The investigation of physical properties such as the electrical conductivity of vinyl ester/carbon nanotube/polymer systems with different ratios of carbon nanotubes has been a remarkable phenomenon recently. For this ... -
Fractal characterization of polyester based standard and single walled carbon nanotube modified composites
Ilgaz, Aykut; Bayırlı, Mehmet (Walter De Gruyter GMBH, 2023)The electrical properties of composite materials over a wide frequency range are of great interest, not only for experimental applications, but also for theoretical studies such as fractal analysis. This study presents ... -
GaN/AlGaN HEMT yapılarda saçılma mekanizmaları
Ilgaz, Aykut (Balıkesir Üniversitesi Fen Bilimleri Enstitüsü, 2005)IBu çalışmada, GaN/AlGaN arayüzeyinde oluşan 2 boyutlu elektron gazının (2BEG) Hail mobilitesine, başlıca saçılma mekanizmaları olan dislokasyon, deformasyon potansiyel yoluyla akustik fonon (DP), piezoelektrik (PE), polar ... -
Impedance analysis of single walled carbon nanotube/vinylester polymer composites
Ilgaz, Aykut (Elsevier B.V., 2023)This study presents impedance characteristics of single walled carbon nanotube/vinylester (SWCNT/VE) glass fiber reinforced polymer (GFRP) composites. The impedance measurements were carried out as a function of the frequency ... -
Karbon nanotüp katkılı levha kalıplama pestilinin AC elektriksel iletkenliğinin ve dielektrik özelliklerinin incelenmesi
Ilgaz, Aykut; Perin, Deniz (Bitlis Eren Üniversitesi Rektörlüğü, 2021)Cam elyaf takviyeli ve doymamış polyester bazlı polimer kompozit malzemelerin iletkenlik ve dielektrik özelliklerini kontrol etmek için son yıllarda yaygın biçimde kullanılan karbon nanotüpler, yüksek potansiyelli materyallerdir. ... -
Material performance characterization of carbon nanotubes and BYK 8003 organic compounds reinforced GFRP composites
Ilgaz, Aykut (EDP Sciences, 2022)This study presents mechanical and electrical characterization of glass fiber reinforced polymer (GFRP) filled with low specific single-walled carbon nanotubes (SWCNTs) and BYK 8003 organic compounds. For this aim, DC ... -
A study about the relationships between surface structures and electrical impedance characteristics in single-walled carbon nanotube / polyester composites
Bayırlı, Mehmet; Ilgaz, Aykut; Zeybek, Orhan (Elsevier B.V., 2023)The present study aims to understand the relation between impedance characteristics and fractal behaviours. The pure and single-walled carbon nanotube (SWCNT) reinforced unsaturated polyester resin (UPR)-based composite ... -
Surface dynamics and electrochemical examination of Co3O4 films by iron doping
Yakar, Emin; Sarf, Fatma; Bayırlı, Mehmet; Ilgaz, Aykut (Institute of Physics, 2024)This study focused on Co3O4 films, which were prepared by cost-effective chemical bath deposition on In:SnO2 (ITO)substrates with iron doping concentrations ranging from 2 to 6 mol %. Structural properties were investigated ... -
Tek duvarlı karbon nanotüp takviyesinin levha kalıplama bileşiğinin mekanik ve iletkenlik özelliklerine etkisinin incelenmesi
Ilgaz, Aykut; Perin, Deniz (Dokuz Eylül Üniversitesi, 2020)Bu çalışmada, tek duvarlı karbon nanotüp takviyesinin doymamış polyester bazlı levha kalıplama bileşiğinin mekanik ve iletkenlik özellikleri üzerindeki etkisi araştırılmıştır. Malzemenin rijitliğinin ölçüsü olan elastisite ... -
Temperature dependent hot electron transport in slightly lattice mismatched AlInN/AlN/GaN heterostructures
Ilgaz, Aykut; Gökden, Sibel; Tülek, Remziye; Teke, Ali; Özçelik, Süleyman; Özbay, Ekmel (Natl Inst Optoelectronics, 2014)In this work, the hot-electron transport properties of AlInN/AlN/GaN HEMT structures with a high sheet electron density of 4.84x10(13) cm(-2) grown by MOCVD (Metal Organic Chemical Vapor Deposition) on sapphire substrate ... -
Transformatör sisteminde manyetik akı dağılımının incelenmesi yöntemiyle güç kayıplarının belirlenmesi
Ilgaz, Aykut; Bayırlı, Mehmet; Aygören, Mehmet (2017)Transformatör sistemlerinde kullanılan malzemelerin manyetik akı dağılımlarının deneysel incelenmesi, sistemin yapısal ve fiziksel özelliklerinin belirlenmesi için önemlidir. Bu amaçla, özel olarak geliştirilen deneysel ...
