Materials Literature
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The initial adsorption of oxygen molecules on Si(001) is investigated at room temperature. The scanning tunneling microscopy images reveal a unique bright O 2 -induced feature. The very initial sticking coefficient of O 2 below 0.04 Langmuir is measured to be ∼0.16. Upon thermal annealing at 250–600 °C, the bright O 2…
The ferromagnetic semiconductor p -InMnP:Zn epilayers were prepared through low-temperature annealing at 250 °C by using Mn/InP:Zn bilayers. The p -type InP:Zn epilayers were prepared by using metal-organic chemical vapor deposition. Then, ultra-thin Mn layers were subsequently deposited onto the layers by using molec…
Structure of the router has an enormous impact on performance of Network on Chip (NoC). Meanwhile, a fast and accurate performance analysis approach is extremely important for NoC early stage designs. In this paper, we propose an Improved Asymmetric Multi-Channel Structure (IAMCS) to promote the router performance. Th…
플래시 램프 열처리(Flash lamp annealing, FLA) 공정은 저온폴리실리콘의 생산을 위한 기술로써 대면적 기판용 실리콘 결정화 기술로 기대 받고 있는 기술이다. 본 연구에서는 FLA 공정 중 기판에 발생하는 변형의 원인에 대하여 이론적인 해석과 이를 토대로 시뮬레이션을 수행하였다. 상용 FEM 해석 프로그램에 고온에서의 유리의 점성에 대한 모델을 적용하여, 고온에서 유리의 구조적인 수축과 응력이완으로 인한 영구변형을 수치적으로 재현하였다. 0 세대 실험시편(2cm x 2cm)의 경우 중력의 영향이 미미하여서, 실험 결과와 일치하는 ‘U’모양의 변형이…
A simulation of the Large Pixel Detector (LPD), an X-ray pixel detector at EuXFEL, is presented. HPAD Output Response fUnction Simulator (HORUS) was written in IDL to model the Adaptive Gain Integrating Pixel Detector (AGIPD), another X-ray pixel detector at EuXFEL; HORUS_LPD is an adaptation of the code to model LPD.…
Black micro-arc oxidation (MAO) ceramic coatings were prepared on magnesium alloy in a silicate electrolyte; SEM, EDS and XRD were tested to analyze surface morphology, chemical composition and phase composition of ceramic coatings, Corrosion resistant in 3.5％ NaCl aqueous solution of magnesium alloy before and after…
We investigated the preparation of the superhydrophobic surface on aluminum alloy by PP coating. The effects of PP concentration and duration on the surface were discussed. The contact angle (CA) was measured by an optical contact angle meter and the morphology of the surface was observed by a scanning electron micros…
Pyrolysis is one of promising disposal outlets for sewage sludge. The behavior of heavy metal ions is always paid attended to in the solid sludge and char during sludge pyrolysis process. Here, the distribution of metals in the pyrolysis liquid and its distilling products was analyzed. It was found that the high conte…
Series samples Zn(1-x)S:Cux (0.001 2+ ions increasing, the particle sizes become larger, which proves that Cu2+ ions occupy the position of Zn2+ ions. The emission spectrum (ES) indicates that when doping Cu2+ ions ,samples show a blue light and the main emission peaks which caused by Cu2+ ions t2 transition locates a…
The expansion effect of the MgO concrete must meet the requirement of the design for the temperature control. In this paper, its influence to the construction stress is studied using 3D FEM method. Results show that the expansion of MgO at later age is good for compensating the shrinkage induced by temperature drop an…
Al/Ta2O5/Pt RRAM cell was successfully demonstrated with stable bipolar switching. Band alignment for the structure of Al/Ta2O5/Pt was obtained using high-resolution X-ray photoelectron spectroscopy to investigate resistance switching behavior. Hole barrier heights of Ta2O5on metals Pt and Al were extracted using core…
Abstract Summary: Conducting polymer films were prepared by introducing ionic groups via chemical modification of one of the blocks of the polystyrene‐block‐polybutadiene‐block‐polystyrene (SBS) triblock copolymer and by adding different amount of metal salts into the modified block copolymer. The butadiene part of th…
Alumina ceramic tools have played an important role in metal working industry as mainly applied ceramic tool materials. They have already become modern ceramic materials with better physical properties and cutting performances. The sorts and developing status of alumina ceramic tools are introduced here. The cutting p…
The composition and the regularities of the profile distribution of the clay minerals in the solods of the Baraba Steppe (ground moistening) and the Priobskoe Plateau (atmospheric moistening) were studied. The two profiles have the distinct eluvial-illuvial distribution of the clay fraction. The composition of the cla…
There is an increasing interest in contrast applications in the 5-15 MHz range. In order to improve image quality and agent design, a greater understanding of microbubble behaviour in this frequency range is required. In this study, individual lipid encapsulated microbubbles (Definity and Target-Ready MicroMarker) wer…
A titanate coupling agent, TM-27, was used in surface modification of light-storing pigment to improve its compatibility and stability with the organic system. The surface characteristics of light-storing pigments were reflected by Fourier transform infrared spectroscopy (FT-IR) and scanning electron micrograph (SEM).…
Extinction spectra and near-field enhancement of metallic nanoparticles are calculated with a boundary integral equation (BIE) method. With the BIE method the far-field response and the near-field evanescent coupling are expressed as an eigenmode sum of resonant terms. In particular, the near-field enhancement around…
Flax yarn and PP filament can be made into flax/ pp lapping yarn. Weaving with the lapping yarn, and finally can crank the fabric into PP/ flax composite by hot pressing. Research on the thickness of composite material and the peeling properties of the composite material, we analyzed the correlative factors about the…
This objective is to study the influence of pH on the electrochemical behavior of 00Cr15Ni7Mo2Cu2 supermartensitic stainless steel in 3.5% NaCl solutions using potentiondynamic polarization technique, open circuit potential tests and electrochemical impedance spectroscopy (EIS).The study reveals that the pitting poten…
Functional luminol derivative with cholesteryl substituted group has been designed and synthesized from the reaction of the corresponding precursor cholesteryl chloroformate with luminol. This compound can be spread on water surface to form stable monolayer. It has been found that UV and IR spectra confirmed the chara…