• Static properties of spin-crossover with magnetic interaction of Spin-1 Blume-Emery-Griffiths model for two-sublattices 

  Veliu, Valon; Özüm, Songül; Yalçın, Orhan; Erdem, Rıza (2022)

  The static properties of the spin-1 Blume-Emery-Griffiths (BEG) model for two-sublattices with the presence of an external magnetic field for spin-crossover (SCO) and magnetic ordering are presented. To study the static ...

• Factors affecting food waste awareness in Turkey. The case of Corum province 

  Karakaş, Güngör (UNIV ALEXANDRU IOAN CUZA, CENTRUL STUDII EUROPENE, 2022)

  Every year in the world, a significant amount of food is wasted at the consumption stage. Since food waste awareness is the determinant of food waste behaviours, the aim of this paper is to determine the effect of materialist ...

• Static and dynamic properties of two-sublattice spin-crossover systems 

  Yalçın, Orhan; Veliu, Valon; Özüm, Songül; Erdem, Rıza (Elsevier B.V., 2022)

  We investigate the static and dynamic properties of spin-crossover systems in the presence of an external magnetic field using two-sublattice Ising-like Hamiltonian. At low temperatures both sublattices are in the LS state, ...

• Widom lines related with the relaxational dynamics for the Ising model 

  Özüm, Songül (MECO, 2021)

  We have presented a phenomenological description for the relaxation dynamics (RD) of Ising ferromagnets in the presence of external magnetic field (h). We calculate two characteristic times using the rate constants which ...

• Ising-like model for the two-step spin-crossover systems: Static properties with magnetic field effects using cluster variation method 

  Veliu, Valon; Erdem, Rıza; Özüm, Songül; Yalçın, Orhan (Institute of Molecular Physics, Polish Academy of Sciences Faculty of Physics, Adam Mickiewicz University, Poznań, 2021)

  We investigate the static properties of a two−sublattice Ising−like Hamiltonian for spin-crossover (SCO) systems in the presence of an external magnetic field. Self−consistent equations are obtained using cluster variation ...

• Phenomenological Dynamics of Ising Magnets in the Presence of Magnetic Field: Widom Lines Captured from Slow Relaxation Time 

  Özüm, Songül (2021)

  A complete phenomenological description for the relaxation dynamics of the Ising ferromagnets in the presence of external magnetic field h is given by using the pair approximation. To study the relaxation dynamics, we ...

• Halk Sağlığı Gözüyle Akıllı Telefon Bağımlılığı ve Ergenlik 

  Daysal, Burcu; Yılmazel, Gülay (2020)

  Smartphone addiction is a type of addiction using excessive and uncontrolled smartphones that harms the social relationships of users. Even though people in all ages use smart phones, the most adaptable ones are the Y and ...

• Synthesis and investigation of small g-values for smart spinel ferrite nanoparticles 

  Bayrakdar, Harun; Yalçın, Orhan; Özüm, Songül; Cengiz, Uğur (Elsevier Science Sa, 2021)

  Smart spinel and hexagonal ferrite nanoparticles (NPs) have been fabricated by ethylenediaminetetraacetic acid (EDTA) and cetyltrimethylammonium bromide (CTAB) assisted hydrothermal route by using NaOH solution. Electron ...

• Nanosized Monolayer on Square Lattice within Spin-1 Ising Model: Hysteretic Properties with Odd Interactions 

  Özüm, Songül; Kavlak, Ramazan; Erdem, Rıza; Yalçın, Orhan (Polish Acad Sciences Inst Physics, 2021)

  The hysteretic properties of a nanosized monolayer on the square lattice have been studied based on the spin-1 Ising model, including a single-ion anisotropy (D) and dipolar-quadrupolar (or odd, L) interaction parameters ...

• Origin of Cross-Over Phenomenon of Hysteresis Loops and High Absorption Loss Properties for Spinel Ferrite Nanoparticles 

  Yalçın, Orhan; Bayrakdar, Harun; Özüm, Songül (Polish Acad Sciences Inst Physics, 2021)

  Spinel ferrite nanoparticles have been synthesized by the surfactant-assisted hydrothermal route using cetyltrimethylammonium bromide (CTAB) and ethylenediaminetetraacetic acid (EDTA) in the NaOH solution. Temperature ...

• Synthesis, characterization and swelling performance of a temperature/pH-sensitive kappa-carrageenan graft copolymer 

  Geyik, Gülcan; Işıklan, Nuran (Elsevier, 2020)

  A binary graft copolymerization of dimethylaminoethyl methacrylate (DMAEMA) and acrylic acid (AA) onto kappa-carrageenan (CG) was performed by using microwave irradiation in the presence of 4A'-Azobis(4-cyanovaleric acid) ...

• pH/temperature-responsive poly(dimethylaminoethyl methacrylate) grafted kappa-carrageenan copolymer: Synthesis and physicochemical properties 

  Geyik, Gülcan; Işıklan, Nuran (Wiley, 2020)

  kappa-Carrageenan-graft-poly(dimethylaminoethyl methacrylate) (CRG-g-PDMA) was synthesized via free-radical copolymerization under microwave irradiation.C-13-Nuclear magnetic resonance spectroscopy (C-13-NMR), fourier-transform ...

• The Activity and Reproductive Pattern of Testudo graeca in Cappadocia Region, Anatolia 

  Arslan Akveran, Gönül (Wiley, 2017)

  [Abstract Not Available]

• Effect of immobilization on the activity of catalase carried by poly(HEMA-GMA) cryogels 

  Erol, Kadir; Koncuk Cebeci, Büşra; Köse, Kazım; Köse, Dursun Ali (Elsevier B.V., 2019)

  Hydrogen peroxide is converted by catalase to molecular oxygen and water to remove oxidative stress. In this study, catalase immobilization was performed using poly(2-hydroxyethyl methacrylate-glycidyl methacrylate) ...

• Meslek yüksekokulu öğrencilerinde günlük su tüketimi 

  Daysal Güler, Burcu; Yılmazel, Gülay (Refik Saydam National Public Health Agency (RSNPHA), 2020)

  Objective: This study was carried out to examine daily water consumption among vocational high school students. Methods: This study was conducted between May and July 2019 with the participation of 262 students training ...

• Hysteretic dipolar and quadrupolar properties of the spin-1 Blume-Emery-Griffiths model under pair approximation 

  Özüm, Songül; Erdem, Rıza; Yalçın, Orhan; Görgülüer, Ömer (World Scientific, 2021)

  As a continuation of previously published work [A. Erdinç and M. Keskin, Int. J. Mod. Phys. B 18, 1603 (2004), doi:10.1142/S0217979204024823] the hysteretic properties of magnetization (m) and quadrupolar moment (q) have ...

• Design and fabrication of hybrid triple-responsive κ-carrageenan-based nanospheres for controlled drug delivery 

  Geyik, Gülcan; Işıklan, Nuran (Elsevier B.V., 2021)

  In the last two decades, the utilization of magnetic nanospheres in intelligent polymeric structures have received increased attention of researchers in numerous biomedical applications. Here, hybrid nanostructured ...

• Nanosized monolayer on the square lattice within spin-1 ising Model: Hysteretic properties with odd interactions 

  Kavlak, Ramazan; Özüm, Songül; Erdem, Rıza; Yalçın, Orhan (L.N. Gumilyov Eurasian National University, 2020)

  We propose a theoretical framework for the investigation of M-H and Q-D hysteresis loops for the nanosized monolayer on the square lattice within spin-1 Ising model Hamiltonian with dipolar (J), quadrupolar (K), ...

• Hysteretic properties of magnetization and quadrupolar moment in the blume-emery-griffiths model under the pair approximation 

  Özüm, Songül; Görgülüer, Ömer; Erdem, Rıza; Yalçın, Orhan (L.N. Gumilyov Eurasian National University, 2020)

  The magnetic hysteresis (M-H) and quadrupole hysteresis (Q-D) loops have been investigated for the Blume-Emery-Griffiths (BEG) model using the pair approximation. The observed curves strongly depend on biquadratic exchange ...

• Hysteretic behavior of quadrupolar ordering in a 2D magnetic spin˗1 Ising nanoparticle 

  Erdem, Rıza; Yalçın, Orhan; Özüm, Songül; Şahin, Ayşe; Demirer, Nazlı (Physical Society of the Republic of China, 2021)

  Pair approximation technique has been used to study the quadrupolar ordering properties for the 2D magnetic spin-1 Ising nanoparticles, consisting of core and surface parts with an interface coupling. Similar to the magnetic ...

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