Materials Literature
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We report device mobility >500 cm2/V·s in a scalable process suitable for electronic backplanes for large area OLED displays. Ceramic substrates as large as 4×4 inches were fabricated utilizing planarized regions of Single Crystal Silicon (SCS).
We have investigated light scattering behavior in In‐Plane Switching mode panel and have built up the optical simulation method. It will enable to simulate the luminance of black level over viewing angle quantitatively. We have developed 10.25" In‐Plane Switching mode TFT‐LCD with wide viewing angle by use of the simu…
En la reserva de la Central Hidroeléctrica de Caldas (CHEC) se comparó la diversidad y densidad de de macroinvertebrados edáficos de las plantaciones en regeneración de urapán ( Fraxinus chinensis ) (PU) y eucalipto ( Eucalyptus grandis ) (PE) y un bosque secundario. Se realizaron dos muestreos entre enero y junio de…
In diffusion to blue light-emitting diode (LED) wafers is performed by the inductive coupled plasma (ICP) treatment of a covering layer of indium tin oxide (ITO) on the wafer surface. The electrical property of the p-type contact is improved and the redshift of photoluminescence (PL) from the InGaN quantum well of the…
This study optimizes effect of wear test parameters on the wear behaviour properties of sintered bronze based materials. Particle sizes, compaction pressure and test sliding speed are investigated to study their effects on the wear behaviour of test specimens. Taguchi's L27 (3 13 ) orthogonal array design is employed…
. . / Usp. Fiz. Met. 2015, . 16, . 159-173 2015 (
A detailed investigation is presented for Love waves (LWs) with thick viscoelastic guiding layers. A theoretical calculation and an experiment are carried out for LW devices incorporating an SU-8 guiding layer, an ST-90° X quartz substrate and two 28-μm periodic interdigital transducers. Both the calculated and the me…
X-ray emission and photoelectron spectroscopy and quantum chemical calculations are applied to study the electronic structure of H 2 Pc. A comparative analysis of the experimental and theoretical data of the energy spectrum and the partial composition of HOMO for phthalocyanine is performed. It is shown that the H 2 P…
In the present study, a risperidone loaded microsphere/sucrose acetate isobutyrate (SAIB) in situ forming complex depot was designed to reduce the burst release of SAIB in situ forming depot and to continuously release risperidone for a long-term period without lagime. The model drug risperidone (Ris) was first encaps…
In this study, we evaluated properties of pulp treated with swelling agent and swelling concentration. We used swelling agent, such as NaOH, DMSO, urea. One of them, pulps treated with NaOH from 0 to 5% measured WRV, beating efficiency, crystallinity and aspect ratio. We identified that NaOH when freeness reaches 100m…
고장력 Cr-Mo강은 이온질화와 연질화 두가지 질화처리를 수행하였다. 각 질화처리의 특징을 비교하기 위해서 30분의 공정시간을 가지고 질화처리를 하였다. 표면강도의 변화를 비교하기 위해서 비커스 경도 시험이 수행되었으며 피로시험은 켄틸레버 회전굽힘 피로시험기(Yamamoto, YRB 200)를 이용하여 수행되었다. 초고주기영역(N 10SUP7/SUPcycle)의 특징을 알아보기 위해서 피로시험은 피로한도 이후까지 진행하였다. 피로 시험 후 주사전자현미경(SEM)을 이용해서 파단면을 분석하였으며 고주기영역과 초고주기 영역의 파괴기구를 관찰하였다.
Dependence of the thermal expansion coefficient (α p ) on the size (number N of atoms) and shape of the nanocrystal surface of an elementary monatomic substance is studied using the model of a nanocrystal in the form of a rectangular parallelepiped with a variable shape of the surface (RP model). Calculations for a si…
The behavior of CaBSiO 4 (OH) datolite compressed in a water medium at simultaneous high temperatures and pressures corresponding to the cold zones of tectonic plate subduction (up to P ~5.3 GPa and T ~250°C) is studied in situ via Raman spectroscopy. Two polymorphic transitions are found: (i) upon an increase of up t…
A composite membrane was prepared by mixing epoxidized natural rubber (ENR) and polyvinyl chloride (PVC). An inorganic filler, MgO, was introduced into the polymer matrix by certain percentages to form a mixed matrix membrane (MMM). The resulting membranes were characterized using FTIR, TGA, SEM and gas permeability t…
SnO powder was prepared by microwave treatment of ammoniacal and carbonate Sn 6 O 4 (OH) 4 suspensions. It was shown that the type of the precipitant (aqueous ammonia and sodium carbonate) for Sn(II) hydroxy compound affects the surface properties of the resulting oxide. It is found that SnO powders prepared by homoge…
Polycrystalline molybdenum and tungsten (MoSe2, WSe2) diselenides were synthesized at 1323 K for 168 hours in silica tubes sealed secondary vacuum. They were haracterized by diffraction with X-Ray diffraction (XRD), Scanning Electron Microscopy (SEM) and gravimetric analysis show that they are homogeneous and well cry…
An XPS technique to determine the surface concentrations of the components of binary alloy prepared in an ultra-high vacuum chamber and subjected to the contact with the air is proposed. The technique takes into account the effect of the adsorption film on the sample surface, which distorts the photoelectron current o…
Fe2O3-Al2O3 compounds were synthesized by coprecipitation(CP) and gel evaporation (GE) method with different Fe/Al compositions andcalcined at high temperatures (300oC-1000oC). Thecrystalline phases in the samples were determined by XRD, the latticeparameters of the resulting crystalline phases were calculated by alea…
It would be signicantly easier to design fluid systems for spacecraft if the fluid phases behaved similarly to those on earth. In this research an open 15:8 degree wedge-sectioned channel is employed to separate bubbles from a two-phase flow in a microgravity environment. The bubbles appear to rise in the channel and…
The conjugate electron excitation (CEE) above the core-level thresholds of substrate atoms is a combination of the known electronic shake-off and shake-up electron transitions resulting in the location of excited electrons can at both vacuum level and vacant states near the Fermi level. The CEE satellites in elastic e…