Materials Literature
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In this study, chemical and structural properties of sea snail shell based bioceramic materials (i.e. hydroxyapatite, whitlockite and other phases) are produced by using mechano-chemical (ultrasonic) conversion method. For this purpose, differential thermal and gravimetric analysis (DTA/TG), X-ray diffraction, infra-r…
Electrically conductive adhesives (ECA) are an alternative interconnection method for crystalline silicon solar cells, providing low thermomechanical stress, being lead-free and applicable to new contact structures. The ability to control their curing reaction in a stringing or lamination process is essential for enab…
Fine particles of BiFeO3 were prepared from bismuth nitrate and iron nitrate in KOH solution by hydrothermal reaction. A single phase of BiFeO3 was prepared under hydrothermal condition of K/Bi ≥ 120 and above 180 °C. The TG curves of single phase of BiFeO3 indicated that the products included a small amount of OH gro…
The inhibition of carbon steel corrosion by lignin in two different acid solutions, 1 M HCl and 1 M H2SO4 have been investigated via weight loss methods in varying temperatures of 40, 50 and 60 °C. With the addition of lignin, carbon steel showed less corrosion attack in HCl medium compared to H2SO4. The use of lignin…
Nanorod-like TiO2 (nc-TiO2) and MoO3 (nc-MoO3) films were thermally grown from Ti- and Mo-metallic wafers. Nanohybrid films of N,N’-diphenyl-N,N’-bis(1-naphthyl)(1,1’-biphenyl)-4,4’diamine (NPB)/TiO2 and NPB/MoO3 used as anode/hole transport layer (HTL) heterojunctions in blue organic light emission diodes (OLEDs) wer…
In order to discuss the origin of the buckling of carbon nanotubes from the atomic level, we have performed the compressive simulation of non-defective and defective triple-walled carbon nanotubes (TWCNT) by the molecular dynamics method using the adaptive intermolecular reactive empirical bond order potential, and ob…
We contrasted the diffusion of gold nanoparticles (AuNPs) in crowded solutions of a randomly branched polymer (dextran) and rigid, spherical particles (silica). The goal was to understand the roles played by the probe size and structure of the crowding agent in determining the probe diffusion. AuNPs of two different s…
In the present study, nanoparticles (NPs) of lead sulfide (PbS) have been directly incorporated in poly (3- hexylthiophene) (P3HT) matrix without any surfactant. The X-Ray diffraction and absorption spectrum confirm the incorporation of PbS NPs in P3HT matrix. The strong and sharp diffraction peaks indicate that the a…
Bismuth manganese oxide (BiMnO3) thin films were grown on Si (100) and Si (111) substrates by RF magnetron sputtering. The properties of grown films were analyzed by X-ray diffraction (XRD), Energy dispersive analysis of X-ray Spectrum (EDX), Atomic force microscopy (AFM) and Vibrating sample magnetometer (VSM). The X…
Photoluminescence spectra and nature of light-emitting centers of a porous silicon (por-Si) samples are given. The por- Si samples had high-ordered mosaic structure, which was received under long anodic etching p-Si(100) in electrolyte with an internal current source. The photoluminescence spectra were monitored at ro…
A straightforward and effective Al3+-directed electrostatic self-assembly strategy for linking Au nanoparticles (NPs) into one-dimensional (1D) or 2D nanoarrays has been demonstrated. In the self-assembly, Al3+ concentration played an important role in the Au NPs self-assembly, varying which size, shape, and surface p…
This paper concerns the possibility of use the Jiles-Atherton extended model to describe the magnetic characteristics of construction steel St3 under mechanical stress. Results of the modelling utilizing extended Jiles-Atherton model are consistent with results of experimental measurements for magnetic hysteresis loop…
A reliable dosimetry is fundamental for quality assurance of the processes and irradiation products. All dosimetric systems for high doses have some limitation with regard to their use. Dosimetric system should be easy to use, fast to measure, and of low cost. Good phosphor which shows high luminescence properties may…
A finite cylindrical cavity expansion model for metal targets was proposed in consideration of the lateral free boundary and strain-hardening effect. Analytical solutions of radial pressure on the cavity wall were obtained. An engineering model for the penetration of rigid sharp-nosed projectiles into thick cylindrica…
Al2-xMex(WO4)3, (Me is Sc or In; x varies from 0 to 2) ceramics are sintered by two methods: 1) cold pressing with subsequent sintering at different temperatures and durations and 2) hot pressure sintering. The row materials are nanoparticles with average particle size of 20, 90 and 200 nm obtained by co-precipitation…
Glass having composition 40SrO−10ZnO−40SiO2−2B2O3−2Al2O3−2TiO2−2Cr2O3−2Y2O3, (mol %) was prepared by melt-quench technique and converted into glass-ceramics by subjecting it to varying heat treatments. Thermal properties were measured by thermo-mechanical analyzer and differential thermal analyzer. The XRD revealed th…
Organic small material lead phthalocyanine (PbPc) nanocolumns were prepared via glancing angle deposition (GLAD) on indium tin oxide (ITO) coated glass substrates. Organic electron acceptor materials fullerene (C60) was evaporated onto the nanocolumn PbPc thin films to prepare heterojunction structure ITO/PbPc/C60/Bph…
To improve the behaviors of DC-DC converters,a hysteresis control strategy with inductor current feedback is put forward. The output voltage, output of hysteresis comparator and inductor current are measured to control the capacitor voltage, the value of the capacitor voltage and the hysteresis band width are calculat…
The behavior of carbon steel SAE 1045 in 1 M NaOH solution containing different concentrations of palm kernel oil (PKO) has been studied by weight loss and polarization measurement. Results showed that the corrosion of carbon steel in NaOH solution was considerably reduced in presence of such inhibitors. The inhibitio…
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 Arunava Mandal, Subrata Mukherjee, Sandip Pan, Achintya Kumar Saha, Asmita Sengupta; PALS and DSC…