Materials Literature
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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 Lakhan Pal, K. G. Suresh, A. K. Nigam; Magnetic and transport studies in Co2TiGa alloy. AIP Conf.…
A study on the life distribution and reliability of ball bushes composed of the sample sizes 52 set for standard products and 67 set for abrasive flow processed products are carried out by using the two-parameter and the three-parameter Weibull distribution function, and the lognormal distribution function for analyzi…
TiO2 nanotube arrays modified by V2O5 nanoparticles were synthesized by the electrophoresis deposition method, showing significant enhancement on sunlight photodegradation of crystal violet due to the role of interface and electronic transitions between V2O5 and TiO2.
屋外の電気通信用設備に用いられる金属製設備材料の寿命は，全面腐食と見なせる場合には腐食速度から想定することが出来る．腐食速度は，材料の置かれた地域における気象因子や大気汚染因子により異なるが，同一地域であっても雨がかりの有無によって異なる．今回，鉄および亜鉛について雨がかりの有無による腐食速度の違いの評価を試みるべく，沖縄県名護市にFe/Agガルバニック対およびZn/Agガルバニック対の2種のACMセンサーを設置し，それぞれ雨がかりの有無によるセンサー出力の違いについて調べた．直接雨がかりのある面に設置したFe/Ag対ACMセンサーは雨がかりのない面に比して降雨後すぐに応答し，その後も安定的な出力を示した．安定的な水膜の形成の時期…
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 A. M. Abdel-Baset, A. H. Moharram, M. Rashad; Reverse Monte Carlo simulation of Se80Te20 and Se80…
Институт механики сплошных сред УрО
Cu2O-ZnO heterojunction has shown great potential for photovoltaic application due to the low-cost,nontoxicity,abundance and variety of preparation methods.However,the resistivity of the Cu2O film in present ZnO-Cu2O heterojunction solar cell is relatively high,which seems to be the major problem for the low photoelec…
В работе представлены данные по изменению структуры и свойств сплавов на основе алюминия, которые были подвергнуты интенсивной пластической деформации кручением под высоким давлением. Изучены микроструктура, фазовый состав и их изменение с температурой для двойных (AlZn, AlMg) и тройных (AlMgZn) сплавов; построены…
高温固相法合成了Na3Gd1-xCexSi2O7系列荧光粉。利用Na3LuSi2O7结构模型,通过Rietveld方法精修了Na3GdSi2O7晶体结构,结果表明,Na3GdSi2O7属于六方晶系,P63/m点群,晶格参数a=b=947.79（1）pm,c=1387.48（3）pm,c/a=1.4639。Na3GdSi2O7体系中存在Gd^3＋（1）和Gd^3＋（2）两个格位。Gd^3＋（1）离子位于Wyck.4f格位,为扭曲八面体结构。Gd^3＋（2）离子位于Wyck.2a格位,具有正三棱柱构型。进一步考察了Na3Gd1-xCexSi2O7荧光粉的真空紫外-紫外-可见发光光谱,讨论并指认了Ce^3＋在上述两个格位中的激发带位置及…
The optimum conditions for manufacturing ultrafine-grained hot strips in super short interval multi-pass rolling (SSMR) process were discussed. As the first means of evaluation, the changes in austenite grain size and shape during multi-pass rolling were observed using experimental equipment. Deformed austenite grains…
The angle-resolved photoemission studies (ARPES) of organic semiconductors is the key to understand fundamental parameters in the carrier transport, such as transfer integrals, effective mass, and carrier-phonon coupling constant. The ARPES of organic semiconductors, however, requires well-defined, single-crystalline…
Supercritical carbon dioxide is expected as a solvent in nano-scale material preparations, such as rapid expansion of supercritical solutions (RESS), supercritical anti-solvent (SAS) precipitation, and supercritical solvent impregnation (SSI) due to the unique properties of carbon dioxide, non toxic, inflammable, and…
Thin films of ZnAl2O4 were prepared by dip technique involving chemical solutions. Investigations on the effect of post heat treatment on the structural, optical properties of ZnAl2O4 thin films were studied and reported. Xray diffraction patterns revealed that the thin films are polycrystalline cubic structure of ZnA…
We show that a rarefied system of hard disks in a plane, described in the Boltzmann-Grad limit by the $2$-dimensional Boltzmann equation, has bounded transport coefficients. This is proved by showing opportune compactness properties of the gain part of the linearized Boltzmann operator.
数千個以上の原子や分子から構成されるクラスターイオン照射法がX線光電子分光法（XPS）での高分子材料の深さ方向分析法として注目が集まっている．クラスターイオンエッチング法は試料損傷を軽減できる低エネルギー照射法である．著者らは帯電液滴巨大水クラスターイオンである帯電液滴をXPSと組み合わせ，高分子材料の深さ方向分析を試みた．その結果，高分子材料の化学組成・結合状態への損傷が著しく軽減し，高分子材料に対するXPSの深さ方向分析に対し有効であることが判明した．
A series of magnetic nanocomposites based on poly(e-caprolactone) (PCL) and Fe3O4 nanoparticles were prepared using a facile in situ polymerization method. The chemical structures of the PCL/Fe3O4 nanocomposites were characterized by Fourier transform infrared (FTIR) spectroscopy. Results of wide-angle X-ray diffracti…
在1，6-己二醇介质中，以Co4（CO）12、Fe3（CO）12和Se粉为原料，采用低温回流合成技术制备了Co0.9，Fe0-1Se2.0，化合物。利用扫描电镜（SEM）、X射线衍射仪（XRD）和旋转圆盘电极（RDE）表征了化合物的物理特征和电催化性能。这种化舍物呈现出聚集的纳米粒子表面形貌，含有正交结构的CoSe2晶粒，并且形成了Fe3O4化合物。在氧气饱和的0．5mol／lH2SO4电解液中，Co0.9Fe0.1Se2.0，化舍物对氧还原反应（ORR）表现出明显的电催化活性，开路电位为0．81V（VS．NHE）。在0．68～0．76V电位范围内，传递系数、Tafel斜率和交换电流密度分别为0．49、0．120V和5．98×10…
The observed values of dimensional stabilities(thickness swelling (TS) or linear expansion (LE)) for sandwich panels with veneer or paper as the faces and various oriented fiberboards as the core were compared with the values calculated by the properties of veneer, paper or various oriented fiberboards. As a result, o…
In the present study, we have carried out the study to understand the interaction between the plasma and nanostructured materials. The main research subjects are to fabricate nano-sized particles by using dc arc discharge, to modify their surfaces of nanoparticles or nano-structured materials by using plasma chemical…
Post-insertion method is now widely used to modify liposomes with poly(ethylene glycol) (PEG) lipids. In this study, we examined the physicochemical properties of surface layers of distearoylphosphatidylethanolamine- PEG2000-modified liposomes composed of distearoylphosphatidylcoline, distearoylphosphatidylglycerol an…