Andrew J. Conti、Raj K. Chadha、Kathryn M. Sena 等 5 位作者1993-06-01Inorganic Chemistry
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTDynamics and phase transitions in spin-crossover complexes: x-ray structures and basic crossover phenomena in the solvate series bis(3-ethoxysalicylideneaziridinopropylaminato)iron perchlorate.solvateAndrew J. Conti, Raj K. Chadha, Kathryn M. Sena, Arnold L. Rheingold, and D…
Metal complexes synthesis and propertiesMagnetism in coordination complexesElectron Spin Resonance Studies
M. Ishaque Khan、Qin Chen、Jon Zubieta1993-06-01Inorganic Chemistry
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTHydrothermal synthesis and structure of molybdoarsenate [H4AsIII2AsVMoV8MoVI4O40]-, a bicapped, reduced Keggin speciesM. Ishaque Khan, Qin Chen, and Jon ZubietaCite this: Inorg. Chem. 1993, 32, 13, 2924–2928Publication Date (Print):June 1, 1993Publication History Published o…
Metal-Organic Frameworks: Synthesis and ApplicationsPolyoxometalates: Synthesis and ApplicationsAdvanced Nanomaterials in Catalysis
Ekhard K. H. Salje、Ann Graeme-Barber、Michael A. Carpenter 等 4 位作者1993-06-01Acta Crystallographica Section B Structural Science
The temperature evolution of the lattice parameters of lead phosphate, Pb 3 (PO 4 ) 2 , indicates three lattice instabilities with anomalies near 530, 453 and ca 430 K. Only the phase transition at 453 K is ferroelastic with a spontaneous strain e=(e 1 -e 1 0 0 e 5 0). Volume anomalies occur near 530 and ca 430 K that…
Crystal Structures and PropertiesNonlinear Optical Materials ResearchSolid-state spectroscopy and crystallography
Arunava Gupta1993-06-01Journal of Applied Physics
The gas-phase processes relevant for oxidation during growth of YBa2Cu3O7−δ (YBCO) films by pulsed laser deposition in different oxidizing ambients are discussed using a phenomenological model. The model consists of an accounting for the neutral species generated from the target during laser ablation, and their attenu…
ZnO doping and propertiesCatalytic Processes in Materials ScienceElectronic and Structural Properties of Oxides
D. C. Rubie、Charles R. Ross、M. Carroll 等 4 位作者1993-06-01American Mineralogist
couples were prepared from glass starting materials with one-half of the sample enriched in r8O and the other half containing the natural abundance (-0.2 wto/o). Following exchange ofO across this diffusion couple at high temperature and pressure, '8O concentration profiles were analyzed using an ion microprobe. O dif…
Geological and Geochemical AnalysisHigh-pressure geophysics and materialsGlass properties and applications
Itamar Willner、Shai Rubin、Yaël Cohen1993-06-01Journal of the American Chemical Society
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPhotoregulated binding of spiropyran-modified concanavalin A to monosaccharide-functionalized self-assembled monolayers on gold electrodesItamar Willner, Shai Rubin, and Yael CohenCite this: J. Am. Chem. Soc. 1993, 115, 11, 4937–4938Publication Date (Print):June 1, 1993Publi…
Advanced biosensing and bioanalysis techniquesMolecular Junctions and NanostructuresPhotochromic and Fluorescence Chemistry
Vera Bolis、C. Morterra、Bice Fubini 等 5 位作者1993-06-01Langmuir
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTTemkin-type model for the description of induced heterogeneity: CO adsorption on Group 4 transition metal dioxidesVera Bolis, Claudio Morterra, Bice Fubini, Piero Ugliengo, and Edoardo GarroneCite this: Langmuir 1993, 9, 6, 1521–1528Publication Date (Print):June 1, 1993Publi…
Catalytic Processes in Materials Science
Hans R. Kricheldorf、Caroline Boettcher1993-06-01Die Makromolekulare Chemie
Abstract Lithium alkoxide‐initiated polymerizations of L ‐lactide were conducted in toluene at 50°C. The initiator solutions were prepared in situ from butyllithium and benzyl alcohol, 1‐tetradecanol, diethylene glycol monobutyl ether or poly(ethylene glycol) monomethyl ether. These lithium alkoxides initiate the poly…
Organometallic Complex Synthesis and Catalysisbiodegradable polymer synthesis and properties
B. Hessen、Jan Karel F. Buijink、Auke Meetsma 等 8 位作者1993-06-01Organometallics
Electron deficient paramagnetic vanadium(III) dialkyls CpV(CH2CMe2R)2(PMe3) (14 electron, R = Me (2), Ph (3)) and CpV[CH(SiMe3)2]2 (12 electron, 4) have been synthesized. At ambient temperature 2 decomposes through a-hydrogen abstraction to produce, in the presence of dmpe (1,2-bis(dimethylphosphino)ethane), the first…
Metal complexes synthesis and propertiesMagnetism in coordination complexesInorganic and Organometallic Chemistry
Masatoshi Higuchi、Masato Sawada、Yoichiro Kuronuma1993-06-01Journal of The Electrochemical Society
The relationship between microstructure and electron characteristics of indium tin oxide (ITO) films was investigated. The microstructure and resistivity were found to be dependent on the oxygen partial pressure in the sputtering ambient. Lower resistivity ITO films had a domain structure and a small amount of surface…
ZnO doping and propertiesGaN-based semiconductor devices and materialsGas Sensing Nanomaterials and Sensors
O. Darras、R. Séguéla1993-06-01Journal of Polymer Science Part B Polymer Physics
Abstract Tensile yield stress measurements have been performed on a serie of four ethylene/1‐butene copolymers covering the crystallinity range 0.33–0.74. Samples have been prepared from melt‐crystallization and from solution‐crystallization at various concentrations in decalin in order to span a wide range of crystal…
Mechanical Behavior of CompositesPolymer crystallization and propertiesPolymer Nanocomposites and Properties
Y. K. Atanassova、V. N. Popov、G.G. Bogachev 等 7 位作者1993-06-01Physical review. B, Condensed matter
The results of polarized Raman scattering, far-infrared (FIR) absorption, Kramers-Kronig analysis of FIR reflectance, and lattice-dynamical calculations of the perovskitelike compound ${\mathrm{YBaCuFeO}}_{5}$ (space group P4mm) are reported. All 16 Raman- and infrared-active \ensuremath{\Gamma}-point phonons (6${\mat…
Physics of Superconductivity and MagnetismMagnetic and transport properties of perovskites and related materialsMultiferroics and related materials
H. Herchen、Mark Cappelli1993-06-01Physical review. B, Condensed matter
The first-order Raman spectra of single-crystal cubic boron nitride for the range of 300 to 1830 K are presented. The Stokes and anti-Stokes components of both the TO (\ensuremath{\Gamma}) and the LO (\ensuremath{\Gamma}) modes are analyzed for their Raman shift and width variation with temperature. The cubic boron ni…
Diamond and Carbon-based Materials ResearchAdvanced Fiber Laser TechnologiesBoron and Carbon Nanomaterials Research
Felix Tuczek、Edward I. Solomon1993-06-01Inorganic Chemistry
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTCharge-transfer states of bridged transition metal dimers: mono- vs binuclear copper azide systems with relevance to oxy-hemocyaninFelix Tuczek and Edward I. SolomonCite this: Inorg. Chem. 1993, 32, 13, 2850–2862Publication Date (Print):June 1, 1993Publication History Publis…
Photosynthetic Processes and MechanismsPorphyrin and Phthalocyanine Chemistry
Steven K. Drake、Robert B. Bourret、L.A. Luck 等 5 位作者1993-06-01Journal of Biological Chemistry
CheY, the 14-kDa response regulator protein of the Escherichia coli chemotaxis pathway, is activated by phosphorylation of Asp57. In order to probe the structural changes associated with activation, an approach which combines 19F NMR, protein engineering, and the known crystal structure of one conformer has been utili…
Protein Structure and DynamicsRNA and protein synthesis mechanismsEnzyme Structure and Function
Gangadhara Gangadhara、K. Kishore1993-06-01Macromolecules
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTNovel photocrosslinkable liquid-crystalline polymers: poly[bis(benzylidene)] estersGangadhara and Kaushal KishoreCite this: Macromolecules 1993, 26, 12, 2995–3003Publication Date (Print):June 1, 1993Publication History Published online1 May 2002Published inissue 1 June 1993h…
Liquid Crystal Research AdvancementsSynthesis and properties of polymers
Martin T. Dove、T. Cool、David C. Palmer 等 6 位作者1993-06-01American Mineralogist
The cubic-tetragonal phase transition in leucite has been examined using static lattice energy calculations with realistic, tested interatomic potentials. The calculations have demonstr~ted that the ~ransitio~ is not triggered by AI-Si ordering and can occur without any ordenng. Any AI-Sl order w1l1have only a minor e…
Clay minerals and soil interactionsChemical Synthesis and CharacterizationX-ray Diffraction in Crystallography
Shinichi Sakurai、June Sakamoto、Mitsuhiro Shibayama 等 4 位作者1993-06-01Macromolecules
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTEffects of microdomain structures on the molecular orientation of poly(styrene-block-butadiene-block-styrene) triblock copolymerShinichi Sakurai, June Sakamoto, Mitsuhiro Shibayama, and Shunji NomuraCite this: Macromolecules 1993, 26, 13, 3351–3356Publication Date (Print):Ju…
Organic Electronics and PhotovoltaicsBlock Copolymer Self-AssemblyCopper Interconnects and Reliability
Isabelle Artaud、Khaled Ben-Aziza、Daniel Mansuy1993-06-01The Journal of Organic Chemistry
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTIron porphyrin-catalyzed oxidation of 1,2-dimethoxyarenes: a discussion of the different reactions involved and the competition between the formation of methoxyquinones or muconic dimethyl estersIsabelle Artaud, Khaled Ben-Aziza, and Daniel MansuyCite this: J. Org. Chem. 199…
Porphyrin and Phthalocyanine ChemistryMetal-Catalyzed Oxygenation MechanismsOxidative Organic Chemistry Reactions
Yeong‐Shyung Chou、David J. Green1993-06-01Journal of the American Ceramic Society
The mechanical properties, i.e., Young's modulus, fracture toughness, and flexural strength, of SiC‐platelet/Al 2 O 3 composites with two different platelet sizes were studied. Both Young's modulus and the fracture toughness of composites using small platelets (12 μm) increased with increasing SiC volume fraction. Max…
Advanced ceramic materials synthesisAluminum Alloys Composites PropertiesAdvanced materials and composites