Augusto S. Ceccato、Ademir Neves、Marcos Aires de Brito 等 8 位作者2000-01-01Journal of the Chemical Society Dalton Transactions
The synthesis of a new ligand, H3BBAC (N,N-bis(2-hydroxybenzyl)aminoacetic acid) and its first VIVO2+ complex, [Et3NH]2[OV(BBAC)]2 (1), are presented in order to model the active site of vanadium transferrins. Spectroscopic (EPR, UV-VIS), magnetic properties and crystal data of 1 are discussed and a new magneto-struct…
Magnetism in coordination complexesMetal-Catalyzed Oxygenation MechanismsVanadium and Halogenation Chemistry
Youn-Seon Kang、Hae-Yeol Kim、Jai-Young Lee2000-01-01Journal of The Electrochemical Society
Hydrogen doped zinc oxide (ZnO:H) films have been deposited by radio‐frequency reactive magnetron sputtering and then heat treated at fixed temperature. The roles of hydrogen on transparent conducting properties as well as on microstructural evolution have been investigated. It is identified from X‐ray diffraction pat…
ZnO doping and propertiesGas Sensing Nanomaterials and SensorsThin-Film Transistor Technologies
Sean M. MacKinnon、Zhi Yuan Wang2000-01-01Journal of Polymer Science Part A Polymer Chemistry
The synthesis and polymerization of two new electroactive bisphenols derived from 3,4,9,10-perylenetetracarboxylic dianhydride and 1,4,5,8-naphthalenetetracarboxylic dianhydride with 2-(4-aminophenyl)-2-(4-hydroxyphenyl)propane, respectively, are described. Copolymerization using the two new bisphenols and 4,4′-isopro…
Organic Electronics and PhotovoltaicsConducting polymers and applicationsSynthesis and properties of polymers
Antje Mrotzek、Duck Young Chung、Tim Hogan 等 4 位作者2000-01-01Journal of Materials Chemistry
Silver colored ribbon-like crystals of K1 − xSn5 − xBi11 + xSe22 (x ≈ 0.33) were prepared by direct combination of K2Se, Bi2Se3, Sn and Se at 800 °C. A structure determination was carried out for K0.66Sn4.82Bi11.18Se22. Bi2Te3-type and NaCl-type building units are connected to form a new kind of three-dimensional anio…
Advanced Thermoelectric Materials and DevicesChalcogenide Semiconductor Thin FilmsSolid-state spectroscopy and crystallography
Mark Field、Ivan P. Parkin2000-01-01Journal of Materials Chemistry
Reaction of VCl4 or VOCl3 with water under atmospheric pressure chemical vapour deposition conditions in a cold-wall horizontal-bed reactor at 350–600 °C produces clear yellow V2O5 films. Films grown at temperatures in excess of 500 °C were crystalline and indexed with an orthorhombic unit cell a = 11.527(5), b = 4.38…
Gas Sensing Nanomaterials and SensorsTransition Metal Oxide NanomaterialsCatalysis and Oxidation Reactions
Yachun Mao、Guangshe Li、Wei Xu 等 4 位作者2000-01-01Journal of Materials Chemistry
A family of pyrochlore stannates, M2Sn2O7 (M = La, Bi, Gd or Y) has been prepared from hydrothermal systems at 240 °C and structurally characterized by powder X-ray diffraction, transmission electron microscopy and differential thermal analysis. The La and Bi stannates showed nanocrystalline characteristics with avera…
Advanced Condensed Matter PhysicsNuclear materials and radiation effectsElectronic and Structural Properties of Oxides
Julia A. Rusanova、Konstantin V. Domasevitch、Olga Yu. Vassilyeva 等 9 位作者2000-01-01Journal of the Chemical Society Dalton Transactions
Treatment of zerovalent copper with NH4X (X = I, Br or SCN) in the presence of RbI and 18-crown-6 (18c6), in acetonitrile, in air, afforded a diversity of crystalline products in which halogeno- or pseudo-halogeno-cuprate(I) anions co-precipitate with the geometrically rigid crown ether cation [Rb(18c6)]+. Four comple…
Metal-Organic Frameworks: Synthesis and ApplicationsMagnetism in coordination complexesLanthanide and Transition Metal Complexes
Daniel Y. Kwok、A. W. Neumann2000-01-01Journal of Adhesion Science and Technology
Low-rate dynamic contact angles of a large number of liquids were measured on a poly(ethyl methacrylate) (PEMA) polymer using an automated axisymmetric drop shape analysis profile (ADSA-P). The results suggested that not all experimental contact angles can be used for the interpretation in terms of solid surface tensi…
Surface Modification and SuperhydrophobicityMaterial Dynamics and PropertiesPickering emulsions and particle stabilization
Isaac V. Farr、D. Kratzner、Thomas E. Glass 等 6 位作者2000-01-01Journal of Polymer Science Part A Polymer Chemistry
The isomeric diamine monomer 5(6)-amino-1-(4-aminophenyl)-1,3,3-trimethylindane (DAPI) was successfully synthesized via the dimerization of α-methylstyrene followed by nitration and reduction. High molecular weight, soluble polyimides were synthesized via ester–acid solution imidization techniques and had glass-transi…
Membrane Separation and Gas TransportDielectric materials and actuatorsSynthesis and properties of polymers
Maria Mucha、D. Mi kiewicz2000-01-01Journal of Applied Polymer Science
The presented studies are focused on the dependence of paper sheet strength properties such as tear resistance, burst, and extensibility on the composition of additive [chitosan blends with poly(vinyl alcohol) and gelated starch]. Chitosan acetate (cationic) and its blends caused an improvement of the strength propert…
Advanced Cellulose Research StudiesLignin and Wood ChemistryMaterial Properties and Processing
Michael C. Halbig、D.H. Brewer、Andrew J. Eckel2000-01-01OpenAlex
Ten different ceramic matrix composite (CMC) materials were subjected to a constant load and temperature in an air environment. Tests conducted under these conditions are often referred to as stressed oxidation or creep rupture tests. The stressed oxidation tests were conducted at a temperature of 1454°C at stresses o…
Advanced ceramic materials synthesisAluminum Alloys Composites PropertiesMaterial Properties and Applications
Martine Blat、L. Legras、D. Noël 等 4 位作者2000-01-01OpenAlex
The kinetics of waterside corrosion of Zircaloy-4 in PWR systems reveal accelerated reaction rates at high burnup levels. In such cases, a thick and dense hydride layer is observed beneath the metal/oxide interface. Laboratory corrosion tests on samples prehydrided using gaseous and cathodic charging techniques clearl…
Nuclear reactor physics and engineeringNuclear Materials and PropertiesNuclear Engineering Thermal-Hydraulics
Shigeyuki Yagi、Yutaka Hyodo、Shinya Matsumoto 等 6 位作者2000-01-01Journal of the Chemical Society Perkin Transactions 1
Novel unsymmetrical squarylium dyes which absorb in the near-infrared region were synthesized by a stepwise procedure via intermediate 4-substituted 3-hydroxycyclobut-3-ene-1,2-diones. By introducing benz[c,d]indoline or benzo[b]pyran moieties at one end as an electron-donating component, the SQ dyes exhibited their a…
Photonic Crystals and ApplicationsPorphyrin and Phthalocyanine ChemistryLuminescence and Fluorescent Materials
G.C. Montanari、A. Contin、A. Cavallini2000-01-01IEEE Transactions on Dielectrics and Electrical Insulation
A measuring system for the digital acquisition of partial discharge (PD) pulse signals, based on the last generation of oscilloscopes, has been developed in order to perform both PD pulse shape and PD pulse height analysis. Wide-band, fast sampling rate and individually-triggerable memory blocks are available for the…
High voltage insulation and dielectric phenomenaPlasma Diagnostics and ApplicationsElectrostatic Discharge in Electronics
Jan Rohovec、P. Vojtíšek、Petr Hermann 等 5 位作者2000-01-01Journal of the Chemical Society Dalton Transactions
A new macrocyclic ligand 1,4,7,10-tetraazacyclododecane-1,4,7,10-tetraylmethyltrimethylenetris(phenylphosphinic acid) H3L1 was synthesised and its complexes with lanthanides were prepared. X-Ray analysis of seven Ln complexes (Ln = La, Ce, Nd, Eu, Tb, Er, Yb) shows a formation of dimers [LnL1]2 with phosphinic acid br…
Radioactive element chemistry and processingLanthanide and Transition Metal ComplexesInorganic and Organometallic Chemistry
Sa a Andjeli、Dennis D. Jamiolkowski、James McDivitt 等 6 位作者2000-01-01Journal of Applied Polymer Science
An investigation was carried out on the crystallization behavior of p-dioxanone polymers using differential scanning calorimetry (DSC). Kinetic analyses were performed on data collected primarily during isothermal crystallization. Isothermal data were treated within the framework of the classical Avrami equation. Usin…
Polymer crystallization and propertiesbiodegradable polymer synthesis and propertiesThermal and Kinetic Analysis
Chanseok Park、Ki-Jun Lee、Jae‐Do Nam 等 4 位作者2000-01-01Journal of Applied Polymer Science
The effect of glass fibers on the crystallization of poly(butylene terephthalate) (PBT) was investigated by crystallization kinetics analysis under isothermal and nonisothermal conditions. From the crosspolar optical micrographs of melt- and solvent-crystallized PBT composites, the glass fibers were found to increase…
Polymer crystallization and propertiesPolymer Nanocomposites and Propertiesbiodegradable polymer synthesis and properties
Luís Paulo N. Rebelo、M. D. Perry2000-01-01Minimally Invasive Therapy & Allied Technologies
Medical technology continues to advance rapidly, as physicians and engineers move closer and understand better each other's needs. Nowhere is there more evidence for this than in the development of advanced medical implants. Traditionally, new products were developed by prototyping and evaluation; however, this proces…
Shape Memory Alloy TransformationsElasticity and Material ModelingTitanium Alloys Microstructure and Properties
Xiaodong Wang、Tao Zhang、Changhai Xu 等 6 位作者2000-01-01Chemical Communications
Microwave effects have been shown to promote the activation of NOx molecules in the process of selective reduction of NO by CH4 over an In–Fe2O3/HZSM-5 catalyst and to enhance the water tolerance of this catalyst for NO reduction.
Catalytic Processes in Materials ScienceAmmonia Synthesis and Nitrogen ReductionNanomaterials for catalytic reactions
Young Rag、Young Duk Huh2000-01-01Journal of The Electrochemical Society
The optical properties and quantum efficiency of potential red K 5 Eu x ( WO 4 ) 2.5 + 1.5 x ( x = 0.5 − 3.0 ) phosphors for a novel phosphor liquid crystal display (LCD) are measured under near‐UV excitation (394 nm). The quantum efficiency of K 5 Eu 2.0 ( WO 4 ) 5.5 phosphor fired at 900°C for 3 h is 0.46 at 365 nm…
Luminescence Properties of Advanced MaterialsSolid-state spectroscopy and crystallographyAmmonia Synthesis and Nitrogen Reduction