Constantinos J. Milios、E. Kefalloniti、Catherine P. Raptopoulou 等 8 位作者2003-03-05Chemical Communications
Reactions of Mn sources with di-2-pyridyl ketone, (2-py)2CO, and phenyl 2-pyridyl ketone oxime, (ph)(2-py)CNOH, give the novel clusters [Mn10(II)Mn4(III)O4(O2CMe)20[(2-py)2C(OH)O]4] 1 and [Mn4(II)Mn4(III)O2(OH)2(O2CPh)10[(ph)(2-py)CNO]4] 2, respectively, which possess low-spin ground states; the observed tetradecanucl…
Lanthanide and Transition Metal ComplexesMetal-Catalyzed Oxygenation MechanismsMagnetism in coordination complexes
Tadao Sugimoto2003-03-05Chemical Engineering & Technology
Abstract Size control of monodispersed particles must normally be performed during the very short nucleation period, because the final particle number is determined by the end of the nucleation and it does not change until the end of the particle growth. On the other hand, the shape control is mainly performed by adso…
Crystallization and Solubility StudiesNanomaterials and Printing TechnologiesPickering emulsions and particle stabilization
Catalin R. Picu、Theodorian Borca‐Tasciuc、M. Pavel2003-03-05Journal of Applied Physics
The relative role of the residual strain and dimensional scaling on heat transport in nanostructures is investigated by molecular dynamics simulations of a model Lennard-Jones solid. It is observed that tensile (compressive) strains lead to a reduction (enhancement) of the lattice thermal conductivity. A nonhydrostati…
Heat Transfer and OptimizationThermal Radiation and Cooling TechnologiesThermal properties of materials
Yoshio Miura、Hideaki Kasai、Wilson Agerico Diño 等 5 位作者2003-03-05Journal of Applied Physics
We investigate and discuss the interaction of H2 with graphene based on density functional (DFT) theory. We calculate the potential energy surfaces for the dissociative adsorption of H2 on highly symmetric sites on graphene. Our calculation results show that reconstructions of the carbon atoms play an important role i…
Hydrogen Storage and MaterialsGraphene research and applicationsAdvancements in Battery Materials
Tao Wu、Kirill Efimenko、Petr Vlček 等 5 位作者2003-03-05Macromolecules
We show that assemblies comprising anchored polymers with a gradual variation of grafting densities on solid substrates can be generated by first covering the substrate with a molecular gradient of the polymerization initiator, followed by polymerization from the substrate-bound initiator centers (“grafting from”). We…
Advanced Polymer Synthesis and CharacterizationPolymer Surface Interaction StudiesSurface Modification and Superhydrophobicity
Alex J. Levine、T. B. Liverpool、F. C. MacKintosh2003-03-05arXiv
We develop general methods to calculate the mobilities of extended bodies in (or associated with) membranes and films. We demonstrate a striking difference between in-plane motion of rod-like inclusions and the corresponding case of bulk (three-dimensional) fluids: for rotations and motion perpendicular to the rod axi…
Materials ScienceSoft Condensed Matter
Alain Rochefort2003-03-05Physical review. B, Condensed matter
We theoretically studied the electronic and electrical properties of metallic and semiconducting nanotube peapods with encapsulated ${\mathrm{C}}_{60}$ $({\mathrm{C}}_{60}@\mathrm{CNT})$ as a function of the carbon nanotube (CNT) diameter. For exothermic peapods (the CNT diameter>11.8 \AA{}), only minor changes, as…
Boron and Carbon Nanomaterials ResearchAdvanced Physical and Chemical Molecular InteractionsCarbon Nanotubes in Composites
S. Sharma、J. K. Dewhurst、C. Ambrosch-Draxl2003-03-05arXiv
We report the first fully self-consistent calculations of the nonlinear optical properties of superlattices. The materials investigated are mono-layer superlattices with GaP grown on the the top of InP, AlP and GaAs (110) substrates. We use the full-potential linearized augmented plane wave method within the generaliz…
Materials Science
Z. Z. Wang、Jean‐Christophe Girard、C. Pasquier 等 5 位作者2003-03-05Physical review. B, Condensed matter
Charge density waves (CDWs) have been studied at the surface of a cleaved tetrathiafulvalene-tetracyanoquinodimethane (TTF-TCNQ) single crystal using a low temperature scanning tunneling microscope (STM) under ultrahigh-vacuum conditions, between 300 and 33 K with molecular resolution. All CDW phase transitions of TTF…
Mechanical and Optical ResonatorsOrganic and Molecular Conductors ResearchForce Microscopy Techniques and Applications
R. A. M. Hikmet、D. V. Talapin、Horst Weller2003-03-05Journal of Applied Physics
Charge transport and electroluminesence properties of colloidally synthesized CdSe/ZnS core–shell nanocrystal quantum dots (QDs) were studied. Nanocrystals were prepared using the conventional technique of pyrolisis of organometallic reagents in a hot coordinating solvent medium. Thin film diodes were produced by depo…
Quantum Dots Synthesis And PropertiesChalcogenide Semiconductor Thin FilmsCarbon and Quantum Dots Applications
S. Sharma、L. Fransson、E. Sjöstedt 等 6 位作者2003-03-05arXiv
In this work, the mechanism of Li insertion in $η'$-Cu$_6$Sn$_5$ to form Li$_2$CuSn is discussed in detail, based on both theoretical calculations and experimental results. The mechanism is investigated by means of first principles calculations, with the full potential linearized augmented plane wave method, in combin…
Materials Science
Subramanian Balamurugan、Sergio Mendez、Sreelatha S. Balamurugan 等 5 位作者2003-03-05OpenAlex
The thermally induced hydration transition of surface-grafted poly(N-isopropyl acrylamide) (PNIPAAm) brushes was probed by surface plasmon resonance spectroscopy (SPR) and contact angle measurements. Data are presented for a PNIPAAm brush film with a dry thickness of ∼50 nm that was synthesized by atom radical transfe…
Adhesion, Friction, and Surface InteractionsPolymer Surface Interaction StudiesHydrogels: synthesis, properties, applications
Wenzhuo Guo、J. Jack Li、Y. Andrew Wang 等 4 位作者2003-03-05OpenAlex
The surface ligands, generation-3 (G3) dendrons, on each semiconductor nanocrystal were globally cross-linked through ring-closing metathesis (RCM). The global cross-linking of the dendron ligands sealed each nanocrystal in a dendron box, which yielded box-nanocrystals. Although the dendron ligands coated CdSe nanocry…
Quantum Dots Synthesis And PropertiesNanocluster Synthesis and ApplicationsDendrimers and Hyperbranched Polymers
Sathyajith Ravindran、Sumit Chaudhary、Brooke Colburn 等 5 位作者2003-03-05OpenAlex
We report the controlled synthesis of multiwalled carbon nanotube−quantum dot (CNT-QD) heterojunctions using the ethylene carbodiimide coupling procedure (EDC). Thiol-stabilized ZnS-capped CdSe quantum dots containing amine terminal groups (QD−NH 2 ) were conjugated with acid-treated multiwalled carbon nanotubes (MWCN…
Graphene research and applicationsCarbon Nanotubes in CompositesConducting polymers and applications
Alexander Star、Jean‐Christophe P. Gabriel、Keith Bradley 等 4 位作者2003-03-05OpenAlex
We have used nanoscale field effect transistor devices with carbon nanotubes as the conducting channel to detect protein binding. A PEI/PEG polymer coating layer has been employed to avoid nonspecific binding, with attachment of biotin to the layer for specific molecular recognition. Biotin-streptavidin binding has be…
Carbon Nanotubes in CompositesMolecular Junctions and NanostructuresForce Microscopy Techniques and Applications
Piyasan Praserthdam、Jirathana Phungphadung、W. Tanakulrungsank2003-03-04Materials Research Innovations
The thermal reaction of chromium acetylacetonate in various organic solvents at 300 °C for 2 h yielded an amorphous product. Single nanocrystalline chromium oxide was obtained after being calcined at 300 °C for 1 h. The crystallite size of product is in the range of 16–26 nm. In this work, the thermal stability of pro…
Thermal and Kinetic AnalysisCatalysis and Oxidation ReactionsCatalytic Processes in Materials Science
Bum Sung Kim、Tohru Sekino、Takafumi Nakayama 等 6 位作者2003-03-04Materials Research Innovations
Typical magnetically functionalized Al2O3/Ni nanocomposite materials were fabricated by pulse electric current sintering process. The rapid densification and various microstructures were accomplished with controlling PECS temperature. The PECSed Al2O3/Ni system exhibited peculiar mechanical and magnetic properties wit…
Aluminum Alloys Composites PropertiesAdvanced materials and compositesAdvanced ceramic materials synthesis
Li Ling Chang、E. M. Woo2003-03-04Journal of Polymer Science Part B Polymer Physics
Abstract The miscibility and phase behavior in a binary blend of isotactic polystyrene (iPS) and poly(cyclohexyl methacrylate) (PCHMA) were investigated by differential scanning calorimetry, optical microscopy (OM), and solid‐state 13 C cross‐polarity/magic‐angle spinning NMR. The iPS/PCHMA blend was miscible when all…
Polymer Nanocomposites and PropertiesPolymer crystallization and propertiesMaterial Dynamics and Properties
J. Jachowicz、Roger L. McMullen2003-03-04PubMed
The elasticity and flexibility of virgin and polymer-treated hair fiber assemblies were investigated by employing straight hair tresses or hair shaped into omega loops. Polymer treatment was accomplished by saturating fibers with polymeric solutions, resulting in a deposition of 10-90 mg of polymer per gram of hair. T…
Textile materials and evaluations
Y.L. Sam、P. L. Lewin、A.E. Davies 等 6 位作者2003-03-04IEE Proceedings - Science Measurement and Technology
The measurement of surface charge is an important parameter for evaluating the electrical performance of high voltage insulation materials. The method proposed allows on line measurement of charge and can generate two-dimensional images that represent the charge behaviour on the surface of the material under test. The…
Analytical Chemistry and SensorsHigh voltage insulation and dielectric phenomenaAdvanced Fiber Optic Sensors