Materials Literature
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Highly c-axis oriented zinc oxide (ZnO) thin films deposited by rf magnetron sputtering under varying processing pressure (20–50 mT) in a reactive gas mixture of argon and oxygen were studied for biosensing application. The as-deposited ZnO thin films were in a state of compressive stress having defects related to int…
(grapes) have been broadly used as dietary supplements and as natural pharmaceuticals in the treatment of various diseases including human cancer. Current discovery demonstrates the rapid formation of gold nanoparticles with the phytochemicals present in grapes, which serve a dual role as synergistic reducing agents t…
The discovery of graphene has led to a deluge of international research interest, and this new material in the field of materials science and condensed-matter physics has revealed a cornucopia of new physics and potential applications. This collection gives a roughly review on the recent progress on the synthesis, cha…
We have demonstrated magnetic properties of single 3d transition metal (TM) atom (from Sc to Ni) adsorbed on the surface of graphene and benzene in the framework of relativistic density functional theory. Binding energies, spin and orbital magnetic moments, and magnetic anisotropy energies (MAE) of the TM-graphene and…
Using first-principles density functional theory based method we have performed a systematic investigations of the electronic structures, the structural and magnetic properties related to shape memory applications for Mn2NiAl,Mn2NiGa,Mn2NiSn and Mn2NiIn alloys. Our results confirm that all the alloys undergo a volume…
In the case of extracorporeal shock wave lithotripsy (ESWL), a shock wave-bubble interaction inevitably occurs near the focusing point of stones, resulting in stone fragmentation and subsequent tissue damage. Because shock wave-bubble interactions are high-speed phenomena occurring in tissue consisting of various medi…
The face (contour) shear piezoelectric properties of Pb(Mg1/3Nb2/3)O3-PbTiO3 (PMNT) single crystals were experimentally determined by the impedance method. Zt ± 45° cut samples with various aspect ratios were investigated based on Bechmann’s zero-order approximate solution. Square plates were found to exhibit a clean…
Fluoroalkanoyl peroxides were applied to the preparation of cross-linked fluorinated oligomeric nanoparticles and fluorinated oligomer/guest molecule nanocomposites.
The viscosity of the AsxSe100−x family of glasses has been measured for 10 ≤ x ≤ 40 using beam bending and parallel plate viscometry, and fit with the Vogel-Fulcher-Tamann (VFT) viscosity model. Measurement of other physical properties of the glasses, including the density, glass transition temperature, and coefficien…
Coniuga et impera: Ein difunktioneller Katalysator, der auf einem mesoporösen Quarzträgermaterial Säuren und Basen kombiniert, wurde hergestellt (siehe Bild). Die Koexistenz dieser Funktionen wird anhand einer zweistufigen Eintopfreaktion gezeigt. Die hervorragenden Ausbeuten, die nicht mit getrennten Säure- und Basef…
This paper disseminates the foreground of sustainable cryogenic machining technology that has a high potential to cut production costs and improve competitiveness by reducing resource consumption and creating less waste. The sustainability issues on a shop floor level are pointed out via a life cycle assessment, concl…
Monte Carlo simulation methods for the study of electron beam interaction with solids have been mostly concerned with specimens of simple geometry. In this article, we propose a simulation algorithm for treating arbitrary complex structures in a real sample. The method is based on a finite element triangular mesh mode…
We report on the reduction of polyaniline (PANI) by pillar[5]arene based on the formation of the poly(pseudorotaxane) structure. When pillar[5]arene was mixed with emeraldine base (EB) form of PANI, a blue solution color resulting from the EB form of PANI was diluted over time, and became completely colorless after 18…
The size-mediated cytotoxicity of TiO2 nanoparticles is investigated at the cellular and molecular levels. The cytotoxicity dramatically increases around a particle size of 100 nm (nanoscale effect). This finding affords new insights into the cytotoxicity of nanomaterials, and has potential implications in the design…
A robust magnetomechanical effect model is desirable for the measurement of magnetic properties in the evaluation of stress in ferromagnetic materials. The previous classical Jiles-Atherton-Sablik model has some limitations in describing the asymmetry in magnetic behavior under tensile and compressive stress. In this…
Abstract Polylactide (PLA), a biodegradable polymer obtained from biomass, was formulated with a nucleating agent, talc, and a plasticizer, acetyl tributyl citrate, and cold crystallized in α and α′ form. The barrier properties of crystallized PLA were investigated as a function of the formulation and the crystalline…
This work examines several polycrystalline diamond samples for their potential as polarizing agents for dynamic nuclear polarization (DNP) in NMR. Diamond samples of various origin and particle sizes ranging from a few nanometers to micrometers were examined by EPR, solid-state NMR and DNP techniques. A correlation wa…
We have synthesized off-stoichiometric Ti-Ni-Sn half-Heusler thermoelectrics in order to investigate the relation between randomly distributed defects and thermoelectric properties. A small change in the composition of Ti-Ni-Sn causes a remarkable change in the thermal conductivity. An excess content of Ni realizes a…
The impact of nanomaterials such as carbon nanotubes on biological matter is a topic of increasing interest and concern and requires a multifaceted approach to be resolved. A modified cytotoxic (lactate dehydrogenase (LDH)) assay is developed in an attempt to offer a valid and reliable methodology for screening carbon…
Inorganic semiconductor nanoparticles, such as CdSe quantum dots, are considered to be a promising alternative to fullerene derivates for application as electron acceptors in polymer-based bulk heterojunction solar cells. The main potential advantage is the strong light absorption of CdSe nanoparticles with a spectral…