Materials Literature
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The influence of swift heavy ion (SHI) irradiation on structural and photoluminescence (PL) properties of ZnO-PMMA nanocomposite films, prepared by solution casting method, was studied. The ZnO-PMMA nanocomposite films were irradiated using 120 MeV Ag+12 ions at different fluences varying from 1×1011 to 1×1013 ions/cm…
During the month of October 2012, the commissioning of the light source FEL-2 at FERMI was successfully concluded. FERMI FEL-2 is the first seeded free electron laser operating in the so-called “fr...
Based on the KKS model, the phase-field model is built by coupling with the concentration field and flow field, we simulate the dendrite growth during isothermal solidification of Fe-C alloy in a forced flow. The results show that the tip of dendrite arm is parabola shape, the secondary branch appear at the root of ma…
We investigated that Al/Ba(Zr0.1Ti0.9)O3 (BZT)/insulator-Silicon metal-ferroelectric-semiconductor (MFIS) and Al/BZT/Pt/Ti/SiO2/Silicon metal-ferroelectric-metal-insu- lator-semiconductor (MFMIS) ferroelectric structures and investigated the memory effect and dielectric constant with different insulator materials of t…
Quantum Dots (QDs) are nano–particles carrying high stability fluorescence to follow the grafted cells which can be used in investigating the movement of cells and understanding the organogenesis of stem cells during development and wound repair processes in adulthood. For its easy acquirement and bypassing moral ethi…
We have studied two-current spin-dependent conduction in polycrystalline LaMnO3 (LMO) produced under the oxygen gas flow (OGF). The polycrystalline La1−xSrxMnO3 (LSMO) samples were prepared with x = 0, 0.1, 0.125, 0.15, 0.175, 0.2 by use of a solid-state-reaction method. The LMO sample produced under the OGF showed la…
This paper presents the development of ab initio calculation of the electronic structure of either clusters, nano-crystals, doped and unperfected bulk crystals. In addition, analysis of selected experimental data for γ- or plasma irradiated pure and doped wide-band gap oxides such as sapphire, α-Al 2 O 3 , garnet, Y 3…
Graphene thin film has been synthesize by thermal reduction of graphene oxide (GO) formed by modified Hummer's method. GO solution was prepared in DI water and subsequently deposited on the SiO2/Si substrate by spin casting at 2000rpm. The prepared samples were thermally reduced at different temperature in vacuum. The…
Views Icon Views Article contents Figures & tables Video Audio Supplementary Data Peer Review Share Icon Share Twitter Facebook Reddit LinkedIn Tools Icon Tools Reprints and Permissions Cite Icon Cite Search Site Citation A. Ramírez-López, D. Muñoz-Negron, V. Cruz-Morales, S. Romero-Hernández; Comparison between stoch…
N,N-dimethyl twelve/fourteen quaternary ammonium DSD acid-1,3,5-triazine derivatives containing three-component were prepared through three-step condensation reaction using inexpensive twelve/fourteen tertiary amines as raw materials. The obtained products were confirmed by UV and IR spectrum. The maximum UV absorptio…
Following the discovery of graphene, a large number of III-V materials such as BN which are isostructural but having contrasting physical properties have drawn attention. Alloying these group III-V parent compounds with a group IV element leads to some novel III-IV-V composites, such as BC2N, whose structure and prope…
The degradation of the 10Kh23N18 steel structure with and without a protective Mn-Co-spinel coating after 8800 h of operation at 950°C is investigated as a switchgear material of a solid oxide fuel cell. Structural studies have shown no significant differences in the redistribution of alloying elements, in the composi…
In this paper, novel latent curing agents for epoxy acrylic resin a~e were synthesized and characterized with 1H NMR and MS in this study. Pot life of epoxy acrylic resins containing 3wt.% a~e or γ-aminopropyltrithoxysilane was compared in this paper and experiment data indicated that a~e were inactive in epoxy acryli…
A novel lifting-off method of ZnO nanowires from Si substrate and embedded in flexible films have been proposed in this study. Compared with peeling-off method by polydimethyl- siloxane (PDMS), the embedded ZnO nanowires may suffer from external forces to change the dimension. The shape of ZnO nanowires remained almos…
Reversible photoisomerization between the cis and trans isomer of [Ru(OAc)(2mqn)2NO] (H2mqn=2-methyl-8-quinolinol) was studied quantitatively, using 1H Nuclear magnetic resonance (NMR) spectra. The kinetic study showed that the photoisomerization from trans to cis isomer was first-order and the rate constant (k) is 0.…
Views Icon Views Article contents Figures & tables Video Audio Supplementary Data Peer Review Share Icon Share Twitter Facebook Reddit LinkedIn Tools Icon Tools Reprints and Permissions Cite Icon Cite Search Site Citation R. Narasimman, K. Prabhakaran; Effect of blowing agents on the oxidation resistance of carbon foa…
A polyvinyl alcohol (PVA) nanocomposite thin film embedded with zinc sulfide (ZnS) quantum dots was fabricated by a drop-casting method. The ZnS-embedded PVA films were characterized with polarized optical microscopy (POM), ultraviolet-visible (UV-vis) spectroscopy and photoluminescence (PL) spectroscopy. The POM stud…
The aim of the investigations was to evaluate benefits of the directed transport system - a nanocomposite, based on cisplatin and magnetite combined with local action of constant magnetic field on the tumor, in experiments in vivo in animals with transplantable Guerin carcinoma. Animals were divided into 5 groups acco…
Due to high product value and some related environmental issues, recycled copper was used as filler in polyester system. The waste copper was collected from the milling machine. The effects of particle size distribution of recycled copper on properties of the polyester composites were studied based on the thermal stab…
The domain kinetics during cyclic switching using electrodes of stable suspension of Ag nanoparticles and tap water was studied in single crystals of the relaxor ferroelectric strontium-barium niobate Sr0.61Ba0.39Nb2O6. Mathematical treatment of the set of instantaneous domain images and analysis of the switching curr…