Recent Submissions

  • Common white light sources 

    Erdem, Talha; Demir, Hilmi Volkan (Springer, 2019-01)
    In this Chapter we describe the features of common light sources. We first present the spectral features of the sun and discuss its colorimetric properties. Next, we summarize the properties of traditional light sources ...
  • Metrics for light source design 

    Erdem, Talha; Demir, Hilmi Volkan (Springer, 2019-01)
    In this part of this brief, we summarize the metrics that need to be considered for designing light sources. We start with metrics on the shade of color and then continue with color rendering and photometry.
  • Colorimetry for LED lighting 

    Erdem, Talha; Demir, Hilmi Volkan (Springer, 2019-01)
    In this Chapter, we explain the basics of colorimetry and introduce the colorimetric tools useful for designing light sources.
  • Light stimulus and human eye 

    Erdem, Talha; Demir, Hilmi Volkan (Springer, 2019-01)
    In this Chapter, we summarize the structure of the human eye and introduce the sensitivity functions of various photoreceptors and present the visual regimes and corresponding eye sensitivity functions.
  • Glycosylated porphyrin-cucurbituril conjugate for photodynamic inactivation of bacteria and doxorubicin carriage for anticancer drug delivery 

    Özkan, Melis; Keser, Yağmur; Koç, Ahmet; Tuncel, Dönüş (World Scientific Publishing, 2019-10)
    Porphyrin derivatives are highly attractive in the construction of multifunctional molecular platforms with interesting properties and applications. In this regard, we report here the use of a multifunctional porphyrin-based ...
  • Complete intersection monomial curves and the Cohen—Macaulayness of their tangent cones 

    Katsabekis, Anargyros (World Scientific Publishing, 2019)
    Let C(n) be a complete intersection monomial curve in the 4-dimensional affine space. In this paper we study the complete intersection property of the monomial curve C(n + wv), where w > 0 is an integer and v ∈ ℕ4. In ...
  • Two-dimensional Bose polaron using diffusion Monte Carlo method 

    Akatürk, Emre; Tanatar, Bilal (World Scientific Publishing, 2019-09)
    We investigate the properties of a mobile impurity immersed in a two-dimensional (2D) Bose gas at zero temperature using quantum Monte Carlo (QMC) methods. The repulsive boson–boson and impurity-boson interactions are ...
  • Nonequilibrium electron relaxation in graphene 

    Rani, Luxmi; Bhalla, P.; Singh, N. (World Scientific Publishing, 2019)
    We apply memory function formalism to investigate nonequilibrium electron relaxation in graphene. Within the premises of two-temperature model (TTM), explicit expressions of the imaginary part of the memory function or ...
  • Black hole solutions and Euler equation in Rastall and generalized Rastall theories of gravity 

    Moradpour, H.; Heydarzade, Yaghoub; Corda, C.; Ziaie, A. H.; Ghaffari, S. (World Scientific Publishing, 2019)
    Focusing on the special case of generalized Rastall theory, as a subclass of the non-minimal curvature-matter coupling theories in which the field equations are mathematically similar to the Einstein field equations in the ...
  • Sequential warped products: curvature and conformal vector fields 

    Chand De, Uday; Shenawy, S.; Ünal, Bülent (University of Nis, 2019)
    In this note, we introduce a new type of warped products called as sequential warped products to cover a wider variety of exact solutions to Einstein’s field equation. First, we study the geometry of sequential warped ...
  • The impact of JAK/STAT inhibitor ruxolitinib on the genesis of lymphoproliferative diseases 

    Türk, Can; Okay, M.; Türk, S.; Temirci, Elif Sena; Javad, Osama; Aksu, S.; Sayınalp, N.; Haznedaroğlu, İ. C. (TÜBİTAK, 2019-04)
    Background/aim: Ruxolitinib, a JAK/STAT signaling pathway inhibitor targeted drug, has been approved for the controlling of disease symptoms and splenomegaly in patients with myeloproliferative neoplastic diseases. Recently, ...
  • Longest increasing subsequences in involutions avoiding patterns of length three 

    Mansour, T.; Yıldırım, Gökhan (TÜBİTAK, 2019-07)
    We study the longest increasing subsequences in random involutions that avoid the patterns of length three under the uniform probability distribution. We determine the exact and asymptotic formulas for the average length ...
  • On the Cohen–Macaulayness of tangent cones of monomial curves in A 4 (K) 

    Arslan, F.; Katsabekis, Anargyros; Nalbandıyan, M. (TÜBİTAK, 2019-05)
    In this paper we give necessary and sufficient conditions for the Cohen–Macaulayness of the tangent cone of a monomial curve in 4-dimensional affine space. We particularly study the case where C is a Gorenstein noncomplete ...
  • Effects of the AlN nucleation layer thickness on the crystal structures of an AlN epilayer grown on the 6H-SiC substrate 

    Arslan, Engin; Öztürk, M. K.; Özçelik, S.; Özbay, Ekmel (Taylor & Francis, 2019-04-08)
    The influence of the LT-AlN(NL) growth times on the mosaic structure parameters of the AlN layer grown on the LT-AlN(NL)/6H-SiC structures as well as the dislocation densities and the strain behaviours in the AlN epilayers ...
  • Stable monolayer of the RuO2 structure by the Peierls distortion 

    Ersan, Fatih; Özaydın, H. D.; Üzengi Aktürk, O. (Taylor & Francis, 2019-10-29)
    In this paper, we presented a stable two-dimensional ruthenium dioxide monolayer by using first-principles calculations within density functional theory. In contrast to ordinary hexagonal and octahedral structures of metal ...
  • Investigation of electronic and optical properties of wurtzite MgZnO using GGA + U formalism 

    Ibrahem, R.; Narin, P.; Lisesivdin, S. B.; Özbay, Ekmel (Taylor & Francis, 2019-12-04)
    In this study, the electronic and optical properties of wurtzite MgxZn1−xO structures for different Mg mole fractions (x) are studied using Density Functional Theory (DFT). In calculations, the generalised gradient ...
  • An observation on the module structure of block algebras 

    Gelvin, Matthew J. K. (Taylor & Francis, 2019-05-26)
    Let B be a p-block of the finite group G. We observe that the p-fusion of G constrains the module structure of B: Any basis of B that is closed under the left and right multiplications of a chosen Sylow p-subgroup S of G ...
  • Two-dimensional phononic band structure of archimedean-logarithmic spiral-based slabs 

    Palaz, S.; Oltulu, O.; Mamedov, Amirullah M.; Özbay, Ekmel (Taylor & Francis, 2019-08-16)
    We present band structure results for elastic waves in periodic composite materials consisting of a spiral scatterer shape embedded in a uniform silicon matrix. The material of the scatterer is tungsten as a high density ...
  • Multiferroic based 2D phononic crystals: band structure and wave propagations 

    Palaz, S.; Özer, Z.; Ahundov, C.; Mamedov, Amirullah M.; Özbay, Ekmel (Taylor & Francis, 2019-08)
    In the present work the acoustic band structure of a two-dimensional phononic crystal containing an organic ferroelectric (PVDF- polyvinylidene fluoride) and muliferroic material (LiVCuO4) were investigated by the ...
  • Electronic and elastic properties of the multiferroic crystals with the Kagome type lattices -Mn3V2O8 and Ni3V2O8: First principle calculations 

    Koç, H.; Palaz, S.; Mamedov, Amirullah M.; Özbay, Ekmel (Taylor & Francis, 2019-08-16)
    The electronic, mechanical, and optical properties of the Kagome staircase compounds, Mn3V2O8 and Ni3V2O8, have been investigated using the VASP (Vienna ab-initio Simulation Program) that was developed within the density ...

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