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  • D.C. photoconductivity in As2Se3 thin films 
    Atak, Kaan. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2003., 2003.)
    In this thesis, the D.C. photoconductivity in amorphous thin films of As2Se3 is investigated. The temperature dependence of dark, and photo currents are explored at the interval 240 - 360 K. Three regimes are observed in ...
  • DAQ link and IBERT studies of CMS HGCAL back end electronics 
    Tatlı, Taylan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2022., 2022)
    The HL-LHC experiment will face two main challenges: high radiation due to increased high integrated luminosity and large amount of data resulting from high instantaneous luminosity. To overcome these two challenges, CMS ...
  • Dark energy problem and possible solutions 
    Çamlıbel, Ali Kazım. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    The end of the twentieth century is marked by a revolutionary discovery in cosmology: The expansion of the universe is accelerating, as revealed by measurements of type Ia supernovae at z 1. This most likely means that ...
  • Deforming SO(4,2) generators 
    Kılıç, Delalcan. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    The energy spectrum and degeneracy of a Hamiltonian can be studied using either the theory of special functions or spectrum generating algebras. In this thesis the second approach is used for the analysis of the H-atom ...
  • Dense molecular gas tracers in water megamaser galaxies 
    Farhan, Ahlam. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2021., 2021.)
    Since their discovery in 1979, water megamasers (H2OMMs) have been of special interest for both astrophysicists and cosmologists. The unique environment they are emitted from is interesting, being located inside accretion ...
  • Design and construction of A 1 MeV cyclotron 
    Şimşek, Ebru. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    This thesis studies the design and construction of Turkey’s first 1 MeV cyclotron. The iron yoke, electromagnets and vacuum chamber, which are its main components, have been constructed. Electrically insulated electromagnets ...
  • Design and construction of a prototype resistive plate chamber 
    Yıldızcı, Zaynab Shahadad. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Resistive Plate Chambers (RPCs) are gaseous particle detectors that are used in various applications requiring coverage of large volumes with good time and position resolution, such as detection of muons in high-energy ...
  • Design, simulation and construction of a wire chamber electronics 
    İstemihan, Zehra. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2017., 2017.)
    A Delay Wire Chamber (DWC) is a gaseous particle detector which enables detection of charged particles and their trajectories. They are preferred as they provide good position resolution inexpensively and due to their ease ...
  • Design, simulation and construction of particle and accelerator detectors 
    Ergenlik, Ezgi. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2018., 2018.)
    As a part of the research being carried out at Bogazici University, Kandilli Detector, Accelerator And Instrumentation Laboratory, there was a need for beam parameter-measurement devices and tools such AC current transformer ...
  • Detection of optical frequencies of metal-oxide-metal junctions 
    Yanardağ, Sırma Başak. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    In this thesis, optoelectronic characteristics of metal-oxide-metal junctions are investigated. The junctions are made of aluminum. The detected current in the Al ¡ Al2O3¡Al films is due to a quantum mechanical phenomena; ...
  • Determination of density of states of n-type hydrogenated amorphous silicon by phase shift analysis of modulated photocurrent method 
    Kocabıyık, Ferhat. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1995., 1995.)
    Determination of density of states of hydrogenated amorphous siliconby phase shift analysis of modulated photocurrent.Determination of the energetic distribution of localized statesdue to random network and structural ...
  • Determination of optical constants of thin films 
    Yıldız, Ali. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1998., 1998.)
    In this thesis, a new approach is explored to determine the optical constants of thin dielectric layers. This study is based on the measurement of the reflection at various angles to determine the optical constants of a ...
  • Development of a photoacoustic microscopy system 
    Kipergil, Esra Aytaç. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    Photoacoustic microscopy (PAM), as an imaging modality, has shown promising results in imaging angiogenesis and cutaneous malignancies like melanoma, revealing systemic diseases including diabetes, hypertension, coronary ...
  • Diffusion - attenuated MR signal for paricles subject to forces or in disordered media 
    Şimşek, Kadir. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2017., 2017.)
    Magnetic resonance imaging (MRI) have been advanced signi cantly since its discovery, especially in imaging soft biological structures. One of the most studied and improved technique in this eld is di usion MRI consisting ...
  • Dirac-delta potentials on a lattice 
    Tok, Tarık. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2018., 2018.)
    In this thesis, the Dirac delta potential on a one dimensional infinite lattice structure [2] and its band gaps [3] are reviewed. Then, Green’s function and regu larization & renormalization process for the bound states in ...
  • Dynamic properties of phase change in Ge2Sb2Te5 (GST) based nano memory cells & magnetic bubbles in thin film perpendicular anisotropy nanomagnets 
    Çinar, İbrahim. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2017., 2017.)
    In this thesis, two di erent technologies with memory applications were studied. The rst one, Phase Change Memory (PCM), is considered a potentially revelation technology for future ultra-high density data storage ...
  • Dynamic properties of soft magnetic materials in the shape of thin films and ribbons 
    Kılınç, Muhammed Hasan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    For the last two decades, the giant magneto impedance (GMI) effect has been studied mainly because of its potential use in high sensitivity magnetic field sensors. Nonetheless, magneto impedance response is not only important ...
  • Dynamical structure analysis of five binary galaxy clusters observed with XMM-Newton x-ray observatory 
    Beygu, Burcu. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    Clusters of galaxies are thought to form by accretion of galaxies along the cosmic filaments, and merging of clusters formed earlier. Observations and hydrodynamic simulations show the strong effects of mergers on physical ...
  • Effects of different types of fields to cosmology and of extra dimension to FCNC hadronic processes of the SM 
    Katırcı, Ayşe Nihan. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    The Effects of Different Types of Fields to Cosmology. Alternative cosmological models are proposed as a harbinger of new physics to overcome the perceived short- comings of the standard theory of cosmology (ACDM). We ...
  • Effects of gases on optical properties of polyethylene glycol 
    Bilen, Bükem. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    Humidity induced changes in the refractive index and thickness of polyethylene glycol (PEG) thin films are in situ determined by optical waveguide spectroscopy. PEG brushes are covalently attached to the surface of a thin ...