Materials Literature
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Organic semiconductor-based soft electronics has potential advantages for next-generation electronics and displays, which request mobile convenience, flexibility, light-weight, large area, etc. Organic field-effect transistors (OFET) are core elements for soft electronic applications, such as e-paper, e-book, smart ca…
The hydration characteristics of pre-cast concrete considering the effects of effective initial steam-curing and water-curing duration were measured and analyzed with XRD, TG, X-ray CT, SEM-BSE and MIP techniques. The results show that the effective initial steam-curing duration for pre-cast concrete with lower water-…
In the paper, the evolution of the pulse laser technology and its physical mechanism is described briefly, and the new progresses in applications of laser ablation in traditional material processing fields, such as laser drilling, cut- ting and welding, are focused on. Moreover, the latest developments of laser ablati…
article The prospect of synthesizing ordered, covalently bonded structures directly on a surface has recently attracted considerable attention due to its fundamental interest and for potential applications in electronics and photonics. This prospective article focuses on efforts to synthesize and characterize epitaxia…
采用XH-800多弧离子镀设备在硬质合金刀具表面制备TiN／TiCrN／CrN多元多层复合膜。利用XRD、SEM、显微硬度计、多功能材料表面性能测试仪等对其组织结构与性能进行了研究。结果表明：膜层表面均匀，未出现龟裂现象，色泽光亮度好；膜的相结构组成为TiN和Cr2N，随着Cr靶电流的增大，TiN的择优取向由（200）向（111）转变，膜层出现单质Cr；膜层厚度为5．02μm，具有明显多层特征；显微硬度2536HV；结合力65N。
A facile and rapid microwave-assisted combus- tion method was applied to synthesize the nanocrystalline NiFe2O4 and CoFe2O4 powders. The results suggested that application of microwave heating to synthesize the homoge- neous porous NiFe2O4 and CoFe2O4 powders was achieved in a few minutes. The structure and morphology…
Solid solutions on the basis of manganese antimonide with B8-type of crystal structure have important commercial applications as materials for magnetooptics, electrode materials, temperature-sensitive elements [3, 7–9]. That is why the tendency for producing new materials on the basis of manganese antimonide and inves…
The phase relations in the UeCueAl and UeCueGa systems have been studied at 600 � C in concentration region of 0e45/75 at.% Al and 0e40/75 at.% Ga, respectively. X-ray diffraction techniques, optical microscopy and scanning electronic microscopy, complemented with energy dispersive X-ray spectroscopy (EDS), were used…
Optical cathodoluminescence microscopy (CLM) can provide very useful information both on mineral zoning formed during crystal growth and on variations in chemical composition of sphalerites which is reflected by their visible colors. Gem quality sphalerite crystals associated with dolomite, calcite and fluorite having…
Magnesium remains a very reactive material. Different alloying, casting methods can be employed to enhance corrosion properties.
This report will focus on aspect pertaining to surface modification of titanium to enhanced corrosion resistance. Unlike many other metals, titanium has the ability to withstand material corrosion when subjected to harsh conditions on the seabed. Nonetheless, every metal, including titanium has limiting properties and…
Notre travail de these a ete dedie a la synthese et a la caracterisation bio-physicochimique de complexes osmium nitrosyle, qui pourraient relarguer l’oxyde nitrique (NO) au sein des cellules tumorales pour conjuguer les proprietes anticancereuses souvent associes aux complexes du groupe du platine avec la toxicite de…
This research explains the melt spinning of bicomponent fibers, consisting of a conductive polypropylene (PP) core and a piezoelectric sheath (polyvinylidene fluoride). Previously analyzed piezoelectric capabilities of polyvinylidene fluoride (PVDF) are to be exploited in sensor filaments. The PP compound contains a 1…
Acoustic waves are longitudinal waves of energy being transferred from one location to another. By utilizing sustained wave production, or bursts of waves (known as shockwaves), the inherent kinetic properties of the waveform can be harnessed and focused for use in various applications. \n \nThe most common applicatio…
In this work a study of plasma characteristics used in the production of polymeric coatings by PACVD techniques (Plasma Assisted Chemical Vapor Deposition) using Glow Discharge, and TiN coatings produced by means of PAPVD (Plasma Assisted Physical Vapor Deposition) using a pulsed arc discharge was carried out. In the…
采用溶胶-凝胶浸渍提拉法分别在氧化硅和石英衬底上制备了Ce^4＋掺杂的二氧化钛（TiO2）薄膜,在800℃的退火温度下保温30min。采用X射线衍射仪（XRD）、扫描电镜（SEM）及紫外-可见分光光度计,对TiO2薄膜的结构和光催化性能进行了详细分析,并且进行了对甲基橙的降解实验。研究结果表明：掺杂后的薄膜由锐钛矿向金红石的相转变温度升高。随着掺杂浓度的升高,薄膜经历了由颗粒粒度分明转变到薄膜形成好、未出现明显颗粒的过程,且Ce^4＋掺杂摩尔百分数为10%的薄膜形成较好。随着Ce^4＋掺杂浓度升高,TiO2薄膜的光吸收峰先红移再蓝移,紫外区吸收范围先增大后降低。掺杂后薄膜对甲基橙降解率均得到提高,而掺杂10%降解率最大。
Numerous equivalent circuits for cavity discharges have been developed, yet most of these models cannot provide simulated sig- nals that precisely reveal the variability of the discharge’s characteristic parameters, such as repetition rate, magnitude and phase of discharges, which makes them not suitable for intensive…
Tb(3+)-doped CePO4 flower-like clusters were hydrothermally synthesized without using any template or surfactant by varying the reactant Tb3+ cation concentration. It was observed that the flower-like clusters were composed by nanowires with a diameter of about 80-90 nm and lengths up to 1 microm. The structures, morp…
A question has been addressed, and then partly answered, namely, to what degree Jan Czochralski, an eminent and well-recognized abroad Polish crystallographer, chemist, and metallurgist, also a material (metal) scientist, should, when based on his achievements in research, belong to (physicochemical) metallurgy, or ou…
— In the paper we consider the inverse problem of evaluating kinetic parameters of the model of dehydriding of metal powder using experimental data. The «blind search» in the space of parameters revealed multiple physically reasonable solutions. The solutions were obtained using high–performance computational modeling…