DSpace@NEVÜ
→
Fakülteler / Faculties
→
Mühendislik ve Mimarlık Fakültesi / Faculty of Engineering and Architecture
→
Recent submissions

Mühendislik ve Mimarlık Fakültesi / Faculty of Engineering and Architecture: Recent submissions

Toplam kayıt 591, listelenen: 1-20

Sonraki Sayfa

Mağara içerisinde çekilen düşük ışıklı fotoğrafların iyileştirilmesinde retineks yönteminin kullanılması

Yazlık, Bilgin (7th INTERNATIONAL UBSDER SCIENTIFIC RESEARCH CONGRESS, 2024-03-11)

Mağaralar çoğunlukla doğal yapıları gereği ya tamamen karanlık ya da çok az doğal ışık alabilen kapalı alanlardır. Mağaracılar, mağara içerisinde çok zor koşullarda ve dar alanlarda çalışmak zorunda kalmaktadırlar. Bu ...
Asidik pomza agregasının geçirimli beton üretiminde kullanılabilirliğinin araştırılması

Çelikten, Serhat; Baran, Bilal (Nevşehir Hacı Bektaş Veli Üniversitesi, 2023-09-07)

Geçirimli betonlar ekolojik dengenin korunması amacıyla ortaya çıkmış yenilikçi malzemelerdir. Pomzanın geçirimli betonlarda kullanımı ile ilgili çalışmalar son derece kısıtlıdır. Bu çalışmada asidik pomza agregasının ...
Comparison of masonry building constructed from different wall materials according to 2007 and 2018 Turkish Earthquake Codes

Baran, Bilal; Bozdoğan, Kanat Burak; Atabey, İsmail İsa (Süleyman Demirel University Faculty of Engineering, 2022-09-30)

In this study, a 2-storey masonry building, which is considered to be in the campus area of Nevşehir Hacı Bektaş Veli University in Nevşehir, was designed according to strength, deformation and design-based analyses were ...
Uçucu kül, cam tozu ve çimento esaslı hibrit geopolimer harçların mekanik özelliklerine yüksek sıcaklığın etkisi ve yaşam döngüsü analizi (YDA)

Baran, Bilal; Atabey, İsmail İsa; Çelikten, Serhat (Niğde Ömer Halisdemir Üniversitesi, 2023-07-15)

Bu çalışmada, havada kür edilen uçucu kül (UK) ve atık cam tozu (CT) esaslı geopolimer harçlar ile Portland çimentosu (PÇ) içeren geleneksel ve hibrit (UK+PÇ, CT+PÇ, UK+CT+PÇ) geopolimer harçların mekanik özelliklerine ...
Investigation of thermally evaporated high resistive B-doped amorphous selenium alloy films and metal contact studies

Oner, Cihan; Nguyen, Khai V.; Pak, Rahmi O.; Mohammad, A. Mannan; Mandal, Krishna C. (SPIE, 2015)

Amorphous selenium (a-Se) alloy materials with arsenic, chlorine, boron, and lithium doping were synthesized for room temperature nuclear radiation detector applications using an optimized alloy composition for enhanced ...
High-barrier Schottky contact on n-type 4H-SiC epitaxial layer and studies of defect levels by deep level transient spectroscopy (DLTS)

Nguyen, Khai V.; Pak, Rahmi O.; Oner, Cihan; Mohammad, A. Mannan; Mandal, Krishna C. (SPIE, 2015)

High barrier Schottky contact has been fabricated on 50 μm n-type 4H-SiC epitaxial layers grown on 350 μm thick substrate 8° off-cut towards the [11̅20] direction. The 4H-SiC epitaxial wafer was diced into 10 x 10 mm2 ...
Surface passivation and isochronal annealing studies on n-type 4H-SiC epitaxial layer

Mohammad, A. Mannan; Nguyen, Khai V.; Pak, Rahmi O.; Oner, Cihan (SPIE, 2015)

Schottky barrier radiation detectors were fabricated on the Si-face of 50 μm thick detector grade n-type 4H-SiC epitaxial layers. The junction properties of the fabricated detectors were investigated by current-voltage ...
Defect characterization of Cd0.9Zn0.1Te crystals using electron beam induced current (EBIC) imaging and thermally stimulated current (TSC) measurements

Pak, Rahmi O.; Nguyen, Khai V.; Oner, Cihan; Mohammad, A. Mannan; Mandal, Krishna C. (SPIE, 2015)

Semi-insulating Cd0.9Zn0.1Te nuclear detector grade crystals were grown by a low temperature solution method from in-house zone refined (~7N) precursor materials. The processed crystals from the grown ingot were thoroughly ...
Investigation of metal contacts on high-resistivity large-area amorphous selenium alloy films

Oner, Cihan; Nguyen, Khai V.; Pak, Rahmi O.; Chowdhury, Towhid A.; Mandal, Krishna C. (IEEE, 2015)

Amorphous selenium (a-Se) alloy materials doped with lithium (Li), boron (B), arsenic (As), and chlorine (Cl), were synthesized for room temperature radiation detection applications using an optimized alloy composition for ...
Investigation of 12 μm 4H-SiC epilayers for radiation detection and noise analysis of front-end readout electronics

Nguyen, Khai V.; Pak, Rahmi O.; Oner, Cihan; Zhao, Feng; Mandal, Krishna C. (IEEE, 2015)

Schottky barrier radiation detectors were fabricated on 12 μm n-type 4H-SiC epitaxial layers grown on a 4° off-axis highly doped 4H-SiC substrate (0001). Schottky barrier junction properties were characterized through ...
Characterization of Cd0.9Zn0.1Te single crystals for radiation detectors

Pak, Rahmi O.; Nguyen, Khai V.; Oner, Cihan; Chowdhury, Towhid A.; Mandal, Krishna C. (IEEE, 2015)

Large volume single crystals of Cd 0.9 Zn 0.1 Te (CZT) have been grown by vertical Bridgman technique using in-house zone refined precursor materials (Cd, Zn, and Te). The grown semi-insulating CZT crystals have shown high ...
Deep levels in n-type 4H-silicon carbide epitaxial layers investigated by deep-level transient spectroscopy and isochronal annealing studies

Mohammad, A. Mannan; Nguyen, Khai V.; Pak, Rahmi O.; Oner, Cihan; Mandal, Krishna C. (IEEE, 2016)

Deep levels were investigated by the capacitance mode deep-level transient spectroscopy (C-DLTS) on 4H-SiC Schottky barrier diodes fabricated on 50 μm-thick n-type 4HSiC epitaxial layers. C-DLTS scans from 80 K to 800 K ...
Improved radiation detectors on 4H-SiC epilayers by edge termination

Oner, Cihan; Chowdhury, Towhid A.; Pak, Rahmi O.; Mandal, Krishna C. (SPIE, 2016)

We report the development of an edge termination by depositing thin Si3N4 passivating film on 4H-SiC epilayer based radiation detector. The edge termination method is shown to be very effective for improving both the ...
Synthesis and characterization of amorphous selenium alloys radiation detectors

Chowdhury, Towhid A.; Oner, Cihan; Mandal, Krishna C. (IEEE, 2017)

Synthesized amorphous selenium (a-Se) alloy materials have been characterized for room temperature high-energy nuclear radiation detectors and x-ray detection applications. The alloy composition has been optimized to ensure ...
Treatment of textile wastewater with cherry laurel leaves and waste potato peels

Yakut, Şennur Merve (Niğde Ömer Halisdemir Üniversitesi, 2023)

In this study, a research was carried out on the removal of dyestuff, which is a big problem in the textile industry. The adsorption method was used for the removal of Maxilon Yellow 4GL dyestuff. Cherry laurel leaf (Prunus ...
Deep level transient spectroscopy and pulse height measurements on high resolution n-type 4H-SiC epitaxial schottky barrier radiation detectors

Oner, Cihan; Chowdhury, Towhid A.; Santi, Enrico; Mandal, Krishna C. (IEEE, 2017)

High resolution 20 μm n-type 4H-SiC epitaxial layer Schottky barrier radiation detectors were fabricated by depositing nickel (Ni) contacts using DC sputtering for both front- and backside. Current-Voltage (I-V) measurements ...
Crystal growth and characterization of Cd0.9Zn 0.1Te for gamma-ray detectors: thermally stimulated current (TSC), electron beam induced current (EBIC), and pulse height spectroscopy (PHS)

Oner, Cihan; Chowdhury, Towhid A.; Mandal, Krishna C. (IEEE, 2017)

Cd0.9Zn0.1Te (CZT) detector grade crystals were grown from in-house zone refined Cd, Zn, and Te (7N) precursor materials, using a low temperature tellurium solvent growth method. These crystals were grown using a high ...
Design and response testing of Boron-Diffused silicon carbide neutron detectors for Dosimetry and Monitoring applications

Mandal, Krishna C.; Chowdhury, Towhid A.; Oner, Cihan; Ruddy, Frank H. (ASTM INTERNATIONAL, 2018-12-14)

A high-sensitivity boron-diffused silicon carbide (4H-SiC) p-n diode has been designed and fabricated using vapor-phase epitaxy. Boron-10 (10B) is diffused into nitrogen-doped n- SiC, forming the p+ layer, and thermal ...
Cadmium zinc telluride (czt) room temperature radiation detectors: an overview

Öner, Cihan (Eğitim Yayınevi, 2023-10)
Effects of geometry and PVP addition on mechanical behavior of PEI membranes for use in wastewater treatment

Tüfekçi, Mertol; Güneş Durak, Sevgi; Ormancı Acar, Türkan; Tüfekçi, Neşe (WILEY, 2019-02-15)