Güncel Gönderiler: Fizik Bölümü
Toplam kayıt 660, listelenen: 61-80
-
Improvement of the saturation magnetization of PEG coated superparamagnetic iron oxide nanoparticles
(Elsevier, 2022)Polyethylene glycol (PEG) coated iron oxide nanoparticles are of interest because of their distinctive properties and potential applications such as magnetic resonance imaging, magnetic hyperthermia and drug delivery. In ... -
Mathematical modelling and gas sensing abilities of graphene based optical sensor
(Natl Inst Optoelectronics, 2022)In this work, graphene based Langmuir-Blodgett (LB) thin films prepared onto gold-coated glass substrates to evaluate its sensing ability by using Surface Plasmon Resonance (SPR) system. In order to illuminate the swelling ... -
The bisbenzothiazole-p-tert-butylcalix[4]arene-thiourea Langmuir-Blodgett thin films: preparation, optical properties, swelling dynamics and gas sensing properties via host-guest principles
(Springer, 2022)Calix[4]arene-based materials have been investigated to develop selective, sensitive, and low cost chemical sensors due to their simple, low cost synthesis, and wide range of chemical and physical properties. In this ... -
Electrospun polyacrylonitrile (PAN) nanofiber: Preparation, experimental characterization, organic vapor sensing ability and theoretical simulations of binding energies
(Springer Heidelberg, 2022)In this study, polyacrilonitrile (PAN) nanofibers obtained by electrospinning were directly coated on the surface of a quartz crystal microbalance (QCM) and were investigated for their sensing characteristics against ... -
Dielectric analysis of single walled carbon nanotubes loaded smc composites depending on resin type
(Natl Inst Science Communication-Niscair, 2022)This paper investigates effect of different industrial resins including vinyl ester and unsaturated polyester produced by sheet moulding compound (SMC) method on conductivity and dielectric properties of single walled ... -
Model characterization and dark matter in the secluded U(1)' model
(Amer Physical Soc, 2022)We consider a class of U(1)'-extended minimal supersymmetric extension of the Standard Model (MSSM) in which the U(1)' symmetry is broken by vacuum expectation values of four MSSM singlet fields. While one MSSM singlet ... -
Sensor application of pyridine modified calix[4]arene Langmuir-Blodgett thin film
(Elsevier GMBH, 2022)5,11,17,23–5,11,17,23-Tetra-(tert-butyl)− 25,27-di-(2-aminomethyl pyridine acetamide)− 26,28-dihydroxy calix[4]arene (C4P2T) molecule was transferred to gold coated glass substrate for the first time as a sensor active ... -
Morphological and optical characterizations of different ZnO nanostructures grown by mist-CVD
(Elsevier, 2022)In this study, the effects of growth temperatures, post-growth treatment, and substrate cleaning recipes on structural, morphological, luminescence, and growth kinetics of ZnO nanostructures grown by mist Chemical Vapor ... -
Functional group effects on the electrochemical properties of carboranethiol monolayers on Au(111) as studied by density functional theory: Implications for organic electronics
(Amer Chemical Soc, 2022)Positional isomers of dicarba-closo-dodecaboranethiols with various functional groups (−NO2, −CHO, −CONH2, −F, −Cl, and −OH) were considered on Au(111) forming (3 × 3) and (5 × 5) structures. Dispersion corrected density ... -
The temperature and excitation power density dependent photoluminescence study of Ga-doped ZnO thin films
(Natl Inst Optoelectronics, 2022)Temperature and excitation power density dependent photoluminescence (PL) studies were performed on Ga-doped ZnO (GZO) thin films grown on a-(11 (2) over bar0) and c-(0001) sapphire substrates by Molecular Beam Epitaxy ... -
Pressure effects on structural, electronic and anisotopic elastic properties of Si doped RuGe compound with different concentrations by first-principles calculations
(Elsevier Science SA, 2022)In this study, we have performed first-principles density functional theory (DFT) calculations to investigate pressure and composition effects on the structural, elastic, and electronic properties of silicon doped RuGe ternary ... -
Multifunctional Dy@PVP and Ho@PVP one-dimensional nanofibers: Electrospinning synthesis, luminescent and magnetic properties
(Elsevier, 2022)In this paper, different concentrations of DyIII complex of {[Dy(2-stp)2(H2O)6].2(4,4 -bipy).5(H2O)}, and HoIII complex of {[Ho(2-stp)2(H2O)6].2(4,4 -bipy).5(H2O)} (2-stp= 2-sulfoterephthalate and 4,4 -bipy=4,4 - bipyridine), ... -
Structure coefficients of high-mass stars
(Indian Acad Sciences, 2022)Variation in internal structure constants k(j), g(j), D-j of zero-age main sequence model stars larger than 50 M-circle dot mass according to metallicity and mass are investigated. A series of stellar models of mass between ... -
Characterization of spun PMMA/UiO-66-NH2@PMMA thin films and their SPR sensing response to haloalkane vapors
(IEEE-Inst Electrical Electronics Engineers Inc, 2022)Immobilization of metal-organic framework (MOF) particles onto a gold substrate using spin coating is a difficult task due to the lack of cohesion forces between the crystals and the substrate. Therefore, it was decided ... -
Sensing behaviors of lipophilic calix[4]arene phosphonate based Langmuir-Blodgett thin films for detection of volatile organic vapors
(Elsevier Science SA, 2022)This study concentrates on the lower rim effect of calix[4]arenes based lipophilic phosphonate (CTPO4 and CPO4) with and without tert-butyl group Langmuir-Blodgett (LB) thin films in the volatile organic vapors (VOCs) sensing ... -
Humidity effect on real-time response of tetranitro-oxacalix[4] arene-based surface plasmon resonance (SPR) acetone sensor at room temperature
(Elsevier GMBH, 2022)We report the effect of humidity on the acetone sensitivity of nano-sized thin films obtained by spin coating the oxacalix[4]arenes(1,3) molecules on suitable substrates in this work. The surface morphologies and volatile ... -
In search of the bottlenecks of ammonia synthesis over Ru/Vulcan under ambient conditions
(Royal Soc Chemistry, 2022)Hydrogenation of the N-N bond under ambient conditions over 1 wt% Ru/Vulcan was monitored through operando Diffuse Reflectance Infrared Spectroscopy (DRIFTS) and DFT. IR signals centered at 3017 cm(-1) and 1302 cm(-1) were ... -
Preparation and characterization of the phthalocyanine–zinc(II) complex‑based nanothin flms: optical and gas‑sensing properties
(Springer Heidelberg, 2022)Phthalocyanines (Pcs), among synthetic macrocyclic structures, have recently been preferred sensing materials for harmful vapor detection owing to their attractive properties, such as chemical stability and highly thermal, ... -
The effect of the new opacities on the stellar models
(Balıkesir Üniversitesi, 2021)In this study the effect of current opacities on the radii of stars is investigated. For this, the new OPAS opacity tables are adapted in Paczynski programs GOB(Generates the outer boudary), SCH, HB8 and applied to stellar ... -
Karbon nanotüp katkılı levha kalıplama pestilinin AC elektriksel iletkenliğinin ve dielektrik özelliklerinin incelenmesi
(Bitlis Eren Üniversitesi Rektörlüğü, 2021)Cam elyaf takviyeli ve doymamış polyester bazlı polimer kompozit malzemelerin iletkenlik ve dielektrik özelliklerini kontrol etmek için son yıllarda yaygın biçimde kullanılan karbon nanotüpler, yüksek potansiyelli materyallerdir. ...
