Yazar "Koç, Mümin Mehmet" için listeleme
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Ab initio study of GdCo5 magnetic and magneto-optical properties
Mahdi, M.; Djabri, A.; Koç, Mümin Mehmet; Boukhalfa, R.; Erkovan, M.; Chumakov, Yu; Chemam, F. (Sciendo, 2019)The full potential linearized augmented plane wave method (FLAPW) including the spin-orbit coupling has been used to study the structural, electronic and magnetic properties of GdCo5 compound. The calculations were performed ... -
AFM induced diffusion of large scale mobile HOPG defects
Koç, Mümin Mehmet; Ragkousis, Georgios E. (Springer Heidelberg, 2019)Defects on crystal and/or thin film surfaces play an important role in their physical and chemical properties. Diffusion or motion of such structures results in microstructural dynamic changes. The diffusion of single ... -
AFM induced self-assembling and self-healing mechanism of silicon oxide nanoparticle linear array domains templated on Moire superlattice patterns on HOPG
Koç, Mümin Mehmet; McNally, Michael J.; von Haeften, Klaus; Watkins, Mark J. (Elsevier Science Bv, 2019)Silicon oxide nanocluster suspensions were drop-cast on highly oriented pyrolytic graphite (HOPG) and investigated using ultra-high vacuum non-contact atomic force microscopy (AFM). The assembly of silicon oxide nanoparticle ... -
Cd dopant effect on structural and optoelectronic properties of TiO2 solar detectors
İlhan, Mustafa; Koç, Mümin Mehmet; Coşkun, Burhan; Erkovan, Mustafa; Yakuphanoğlu, Fahrettin (Springer, 2021)Al/n-Si/Ti1-xO2CdxO/Al photodiodes were produced using sol-gel and spin coating methods where CdO dopant was applied on different concentrations (x = 0.0; x = 0.01; x = 0.05; x = 0.10). Cd dopant effect upon structural, ... -
Characterization of magnetic Fe3O4@SiO(2)nanoparticles with fluorescent properties for potential multipurpose imaging and theranostic applications
Kurnaz Yetim, Nurdan; Kursun Baysak, Fatma; Koç, Mümin Mehmet; Nartop, Dilek (Springer, 2020)Fe(3)O(4)magnetic nanoparticles (MNPs) were produced using hydrothermal synthesis and coated with tetraethyl orthosilicate (TEOS) where Fe3O4@SiO(2)MNPs with fluorescent properties were obtained. Structural characterization ... -
Conductance and Density of Interface State Characteristics of Mn Doped CdO Photodiodes
Koç, Mümin Mehmet (2020)Sol-gel technique was used to fabricate cadmium oxide and manganese doped cadmium oxide solutions whichwere used to produce thin films. 10% manganese doped, %6 manganese doped, %0.2 manganese doped andundoped cadmium oxide ... -
Electrical characterization of solar sensitive zinc oxide doped-amorphous carbon photodiode
Koç, Mümin Mehmet; Aslan, Naim; Erkovan, Mustafa; Aksakal, Bünyamin; Uzun, Orhan; Farooq, W. Aslam; Yakuphanoğlu, Fahrettin (Elsevier Gmbh, 2019)A new solar-sensitive zinc oxide doped-amorphous carbon diode was fabricated using the electrochemical deposition technique. The current-voltage characteristics of the fabricated Al/ZnO-a:C/p-Si/Al diode were investigated ... -
Evaluation of X-ray tomography contrast agents: A review of production, protocols, and biological applications
Koç, Mümin Mehmet; Aslan, Naim; Kao, Alexander P.; Barber, Asa H. (Wiley, 2019)X-ray computed tomography is a strong tool that finds many applications both in medical applications and in the investigation of biological and nonbiological samples. In the clinics, X-ray tomography is widely used for ... -
Facile preparation of commercial Bi2O3 nanoparticle decorated activated carbon for pseudocapacitive supercapacitor applications
Üner, Osman; Aslan, Naim; Sarıoğlu, Akın; Semerci, Fatih; Koç, Mümin Mehmet (Springer, 2021)In this work, a facile method to prepare Bi2O3 decorated activated carbon (Bi2O3@AC) composites with high pseudocapacitive properties was presented. The inorganic-organic composites synthesized using commercial Bi2O3 and ... -
Fe3O4 nanoparticle decorated novel magnetic metal oxide microcomposites for the catalytic degradation of 4-nitrophenol for wastewater cleaning applications
Özkan, Elven Hasanoğlu; Aslan, Naim; Koç, Mümin Mehmet; Yetim, Nurdan Kurnaz; Sarı, Nursen (Springer, 2021)Co3O4, NiO and ZnO microparticles were decorated with Fe3O4 nanoparticles where novel Co3O4@Fe3O4, NiO@Fe3O4 and ZnO@Fe3O4 microcomposites were obtained with significant magnetic properties. Decorating microparticles with ... -
A GLIMPS TO THE MODERN OPTICIANRY TECHNIQUES
Koç, Mümin Mehmet (Kırklareli Üniversitesi, 2021)Millions of people are suffering from eye refractive errors such as myopia, hypermetropia, astigmatism, presbyopia, etc. Every day, modern opticianry techniques were used to diagnose and treat the patients. And they find ... -
INFRARED DETECTING BEHAVIOURS OF Cu2NiSnS4 PHOTODIODES
İlhan, Mustafa; Koç, Mümin Mehmet (Kırklareli Üniversitesi, 2020)A photodetector in Al/p-Si/Cu2NiSnS4/Al form was produced using sol-gel method. Scanning electron microscopy (SEM) was used in the structural assessment of the photodetectors. Microscopic investigations showed that Cu2NiSnS4 ... -
Investigation of the electronic and magnetic properties of Mn doped ZnO using the FP-LAPW method
Rezkallah, T.; Djabri, I.; Koç, Mümin Mehmet; Erkovan, M.; Chumakov, Yu.; Chemam, F. (Elsevier Science Bv, 2017)We report on the results of the structural, electronic and magnetic properties of ZnO (1 x 1 x 1), (1 x 2 x 2) in the zincblende (ZB) and rocksalt (RS) phases produced by doping Mn in ZnO structures, considering, for the ... -
Metallic nanoparticles as X-Ray computed tomography (CT) contrast agents: A review
Aslan, Naim; Ceylan, Burhan; Koç, Mümin Mehmet; Fındık, Fehim (Elsevier, 2020)X-ray computed tomography vastly used in both medical purposes and in the research of biological and non-biological materials/samples. Some of the medical applications performed in the clinics requires special protocols ... -
Optical, Electrical and Photoresponsive Properties of Cu2NiSnS4 Solar Detectors
İlhan, Mustafa; Koç, Mümin Mehmet; Coşkun, Burhan; Yakuphanoğlu, Fahrettin (Springer, 2020)Sol-gel methods were used to fabricate Al/p-Si/Cu2NiSnS4/Al quaternary functional solar detectors. Diffraction, spectroscopy and microscopy were used for the structural characterization of the photodetectors. The bandgap ... -
Optoelectronic investigation of Cu2FeSnS4 quaternary functional photodiodes with IR detection capabilities
Koç, Mümin Mehmet; Dere, Ayşegül; Özdere, Alper; Al-Sehemi, Abdullah G.; Coşkun, Burhan; Al-Ghamdi, Ahmed A.; Yakuphanoğlu, Fahrettin (Elsevier, 2021)Cu2FeSnS4 semiconductor used in the preparation of quaternary photodiodes was synthesized using hydrothermal synthesis. The nanoparticles were then spin coated on a silicon substrate. Nanoparticles were characterized using ... -
Photoelectrical properties of solar sensitive CuO doped carbon photodiodes
Koç, Mümin Mehmet (Elsevier, 2020)The CuO doped carbon thin films were produced by using electrochemical deposition and the surface characteristics of the photodiodes were investigated using the scanning electron microscopy and infrared (IR) spectroscopy. ... -
Size investigation of silicon nanoclusters deposited on HOPG using noncontact atomic force microscopy
Koç, Mümin Mehmet (Scientific Technical Research Council Turkey-Tubitak, 2018)The sizes of silicon nanoparticles produced using two different novel methods are investigated in this report. The method of production used to generate silicon oxide nanoparticles was achieved via gas aggregation codeposition ... -
Spectroscopic and microscopic investigation of MBE-grown CdTe (211) B epitaxial thin films on GaAs (211)B substrates
Özden, Selin; Koç, Mümin Mehmet (Springer Heidelberg, 2018)CdTe epitaxial thin films, for use as a buffer layer for HgCdTe defectors, were grown on GaAs (211)B using the molecular beam epitaxy method. Wet chemical etching (Everson method) was applied to the epitaxial films using ... -
Structural and catalytic properties of Fe3O4 doped Bi2S3 novel magnetic nanocomposites: p-Nitrophenol case
Yetim, Nurdan Kurnaz; Aslan, Naim; Koç, Mümin Mehmet (Elsevier Sci Ltd, 2020)Catalytic properties of Bi2S3 nanostructures, Fe3O4 nanoparticles and novel Bi2S3@Fe3O4 magnetic nanocomposites were investigated. Flower-like Bi2S3 nanostructures were produced using hydrothermal synthesis. Bi2S3 ...
