Materials Literature
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In this paper, iodine doped amorphous carbon thin films with varying the doping time were prepared onto glass and n-type silicon substrates by Thermal CVD technique. The optical and electrical properties of iodine doped amorphous carbon thin films were characterized by using UV-VIS-NIR spectroscopy and current-voltage…
We propose sensitive imaging measurements enabled by waveguide-coupled surface plasmon resonance sensors. In the measurement, almost all the sensors with different waveguide thicknesses show around 60% sensitivity improvement compared with traditional surface plasmon resonance sensor.
In the present study, high pressure synthesis up to 10 GPa was done using a small cubic anvil apparatus (W45×D52×H92 cm3, load capacity of 1.80 MN) with a multi-anvil 6-6 system. Its performance was demonstrated by synthesizing a ferromagnetic perovskite oxide, CaCu3Fe4O12, at pressure–temperature conditions of 10 GPa…
Features of structure formation of the coatings on basis of M2 steel obtained by multiple-pass E-beam vacuum deposition were investigated. It was established that multimodal size distribution (d1=3.8 μm, d2=0.65 μm, d36C and residual austenite of matrix can be changed in the wide range depending on the deposition ther…
The paper considers peculiarities of vacuum arc plasma-assisted deposition of multicomponent nanocrystalline coatings based on titanium nitride. Advantages and prospects of the modified ion plasma setup used for coating deposition are described. The effect of added elements on the structural phase state and characteri…
The stearate surface modified LDHs S-NiMgAl-Y was rapidly synthesized based on the coprecipitation coupled with the microwave hydrothermal treatment. The cone calorimeter data confirmed that composite S-NiMgAl-Y/EVA has the good functions of both the flame retardancy and smoke/toxic gas suppression. The tensile strengt…
Plasmonic color filters and polarizers were produced using nanotransfer printing to create aluminium nanostructures, as small as 75nm, on a polycarbonate sheet measuring 10mm × 12mm. Plasmonic filters showed good agreement with simulations.
In order to investigate the effect of selective area nucleation on epitaxial growth of silicon (Si) films, 35 µm thick Si films were deposited by atmospheric pressure chemical vapor deposition (APCVD) under the standard condition on two kinds of SiO2 patterned Si(100) wafers. One was circular patterns, and the other w…
We demonstrate the fabrication and properties of an near ultraviolet organic light emitting diode (UV OLED) that contains 2,7-di(9-carbazolyl)-9-(2-ethylhexyl)carbazole organic emitting layer and aluminumdoped magnesium zinc oxide (ZnMgO:Al) layer as transparent electrode. The obtained ZnMgO:Al layer is transparent fo…
The luminescence of PbWO4:Tb3+and CdWO4:Tb,Li crystals is effectively excited by the synchrotron radiation in the long-wavelength fundamental absorption edge region and in the region of photon multiplication. In the case of PbWO4:Tb3+excitation of using photons with energy 14.1 eV the weak recombination luminescence o…
We report a simple and low-cost method for constructing high-quality p-type ZnSe nanowires/n-type Si heterojunction by growing p-type ZnSe:N nanowires on n-type Si substrate. The heterojunction shows excellent stability and reproducibility to white light irradiation with a fast response time (103). And the photovoltai…
A methodology for fast detection of via faults is presented. Defective vias in large via chains are detected by subsequent use of a parametric tester for resistance measurements, a CD-SEM for voltage contrast inspection and defect localization, and focused ion beam (FIB) preparation for failure analysis. Short loop ex…
Fire resistant behavior is one the main properties of shield tunnel segment in civil engineering. The main objective is to study the regularity of temperature distribution and deflection of shield tunnel segment after fire and the residual bearing capacity after cooling in this paper. According to the tests, a tempera…
In this work the comparative analysis of the thermostimulated luminescence (TSL) properties of various silicate crystals (undoped and Ce-doped Y2SiO5(YSO) and Lu2SiO5(LSO) single crystals (SC) and single crystalline films (SCF)) under excitation by alpha and beta particles, gamma quanta and daily light has been perfor…
We outline the differences between the nanocircuits derived from the dipole and the Mie theories, revealing how important a more accurate theory is in the derivation of the nanoimpedances of plasmonic nanospheres.
Large-scale research infrastructures offer unrivalled performance for the advanced characterisation of micro- and nano-electronic devices and systems. However, the access to large-scale facilities permitting this unique advanced characterisation is well known to be challenging and is generally incompatible with indust…
In this work fabricated p-Pb0.925Yb0.075Te:Te and n-Pb0.925Yb0.075Te thin films thermoelectric devices are composed of 20-pair and 10-pair deposited on a glass substrate using simple thermal evaporation method. Overall size of thin films thermoelectric generators which consist of 20-pairs and 10-pair of legs connected…
Self-assembled InAs/GaAs quantum dots structures with low temperature and high temperature cap layers are grown by meta-organic chemical vapor deposition. The effects of Indium composition of high temperature InGaAs cap layer on the structural and optical properties of quantum dots are investigated by the atomic force…
Electric and magnetoresistive properties of La0.6Sr0.2Mn1.2O3films deposited on SrTiO3(001) and LaAlO3(001) single crystalline substrates by magnetron sputtering have been studied. Characteristic features of the evolution of resistivity, magnetoresistance and Curie temperature upon the decrease of film thickness from…
Trap-limited conduction is here analyzed with special attention to chalcogenide materials used for phase-change memories. After a short review of existing theories, new developments are presented, based on very general microscopic assumptions. Electric field, carrier concentration, and electron temperature variable al…