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Colloidal Ceria Nanocrystals: A Tailor‐Made Crystal Morphology in Supercritical Water

J. Zhang、Satoshi Ohara、Mitsuo Umetsu 等 6 位作者2007-01-12OpenAlex

Control of the morphology of ceria nanocrystals is achieved through a simple, rapid, and green chemistry approach by tuning the reaction of organic ligand molecules with specific crystallographic planes of fluorite cubic ceria crystal during supercritical hydrothermal synthesis, as shown in the figure. It provides a n…

Analytical chemistry methods developmentCatalytic Processes in Materials ScienceSubcritical and Supercritical Water Processes

Nanosized BiOX (X = Cl, Br, I) Particles Synthesized in Reverse Microemulsions

J. Henle、Paul Simon、Andreas Frenzel 等 5 位作者2007-01-12OpenAlex

Reverse microemulsions, consisting of heptane, nonionic surfactants, and aqueous salt solutions, were used to synthesize BiOX (X = Cl, Br, I) nanoparticles. The reverse micelles act as nanoscale templates for the ionic precipitation process. The size of the micelles can be used to tailor the size of the particles. BiO…

Transition Metal Oxide NanomaterialsCopper-based nanomaterials and applicationsChemical and Physical Properties of Materials

Self-healing polymer composites: mimicking nature to enhance performance

Richard S. Trask、Hugo Williams、Ian P Bond2007-01-12OpenAlex

Autonomic self-healing materials, where initiation of repair is integral to the material, are being developed for engineering applications. This bio-inspired concept offers the designer an ability to incorporate secondary functional materials capable of counteracting service degradation whilst still achieving the prim…

Fuel Cells and Related MaterialsElectrospun Nanofibers in Biomedical ApplicationsPolymer composites and self-healing

The constitutive relation and small scale parameter of nonlocal continuum mechanics for modelling carbon nanotubes

Quan Wang、C.M. Wang2007-01-12OpenAlex

In this paper, the constitutive relations of nonlocal elasticity theory are presented for application in the analysis of carbon nanotubes (CNTs) when modelled as Euler-Bernoulli beams, Timoshenko beams or as cylindrical shells. In particular, the shear stress and strain relation for the nonlocal Timoshenko beam theory…

Numerical methods in engineeringThermoelastic and Magnetoelastic PhenomenaNonlocal and gradient elasticity in micro/nano structures

Long-Term Exposure to CdTe Quantum Dots Causes Functional Impairments in Live Cells

Sung Ju Cho、Dušica Maysinger、Manasi Jain 等 6 位作者2007-01-12OpenAlex

Several studies suggested that the cytotoxic effects of quantum dots (QDs) may be mediated by cadmium ions (Cd2+) released from the QDs cores. The objective of this work was to assess the intracellular Cd2+ concentration in human breast cancer MCF-7 cells treated with cadmium telluride (CdTe) and core/shell cadmium se…

Quantum Dots Synthesis And PropertiesCarbon and Quantum Dots ApplicationsNanocluster Synthesis and Applications

Spintronics: A Challenge for Materials Science and Solid‐State Chemistry

Claudia Felser、Gerhard H. Fecher、Benjamin Balke2007-01-12OpenAlex

Spintronics is a multidisciplinary field involving physics, chemistry, and engineering, and is a new research area for solid-state scientists. A variety of new materials must be found to satisfy different demands. The search for ferromagnetic semiconductors and stable half-metallic ferromagnets with Curie temperatures…

Magnetic and transport properties of perovskites and related materialsHeusler alloys: electronic and magnetic propertiesInorganic Chemistry and Materials

Direct Construction of Discrete Large Spherical Functional Particles onto Organic Material Surfaces by Photografting Polymerization

Yongxin Wang、Yaowen Bai、Wenbin Zhong 等 5 位作者2007-01-11Macromolecules

ADVERTISEMENT RETURN TO ISSUEPREVNoteNEXTDirect Construction of Discrete Large Spherical Functional Particles onto Organic Material Surfaces by Photografting PolymerizationYongxin Wang, Yaowen Bai, Wenbin Zhong, Wenqing Huang, and Wantai YangView Author Information State Key Laboratory of Chemical Resource Engineering…

Gold and Silver Nanoparticles Synthesis and ApplicationsPolymer Surface Interaction StudiesNanofabrication and Lithography Techniques

Crystal structure, thermal and compositional deformations of β‐CsB5O8

Р. С. Бубнова、Robert E. Dinnebier、С. К. Филатов 等 4 位作者2007-01-11Crystal Research and Technology

Abstract The crystal structure of β‐CsB 5 O 8 has been determined from X‐ray powder diffraction data using synchrotron radiation: Pbca , a = 7.8131(3) Å, b = 12.0652(4) Å, c = 14.9582(4) Å, Z = 8, ρ calc = 2.967 g/cm 3 , R‐p = 0.076, R‐wp = 0.094. β‐CsB 5 O 8 was found to be isostructural with β‐KB 5 O 8 and β‐RbB 5 O…

Crystal Structures and PropertiesChemical Synthesis and CharacterizationX-ray Diffraction in Crystallography

Nitrogen Distribution at 77.7 K in Mesoporous Gelsil 50 Generated via Evolutionary Minimization with Statistical Descriptors Derived from Adsorption and In Situ SANS

N. Eschricht、E. Hoinkis、Fritz Mädler2007-01-11Langmuir

Digitized periodic material models of size 100(3) nm3 of mesoporous xerogel Gelsil 50 are reconstructed by use of an evolutionary minimization technique, with two-point probability S2(r) and volume-based pore size distribution Psi(D) as a hybrid target function. S2(r) and Psi(D) are derived from small-angle neutron sc…

Metal-Organic Frameworks: Synthesis and ApplicationsMesoporous Materials and CatalysisAerogels and thermal insulation

Chain Dynamics of Bidisperse Polyethylene Melts: A Monte Carlo Study on a High-Coordination Lattice

Heng Lin、Wayne L. Mattice、Ernst D. von Meerwall2007-01-11Macromolecules

The dynamics of bidisperse (1K/4.5K) polyethylene (PE) melts in the Rouse-reptation transitional region is studied using a newly designed dynamic Monte Carlo algorithm on a high-coordination (2nnd) lattice. The internal relaxation modes fit the KWW relationship very well. The distinctive dynamic transitions have been…

Polymer crystallization and propertiesPhase Equilibria and ThermodynamicsMaterial Dynamics and Properties

Photoacoustic studies on two new organic NLO materials: L‐threonine and L‐prolinium tartrate

S. A. Martin Britto Dhas、M. Suresh、P. Raji 等 5 位作者2007-01-11Crystal Research and Technology

Abstract Photoacoustic spectroscopy (PAS) is a non‐destructive testing (NDT) tool and used here for analyzing the physical properties such as thermal diffusivity, thermal diffusion length, thermal conductivity and thermal effusivity of L‐Threonine and L‐Prolinium tartrate. These two crystals belong to a group of recen…

Crystallography and molecular interactionsNonlinear Optical Materials ResearchSolid-state spectroscopy and crystallography

Growth of TGS crystals using uniaxially solution‐crystallization method of Sankaranarayanan‐Ramasamy

N. B. Balamurugan、M. Lenin、G. Bhagavannarayana 等 4 位作者2007-01-11Crystal Research and Technology

Abstract The recently discovered crystal growth method called uniaxially solution‐crystallization method of Sankaranarayanan–Ramasamy (SR) is modified in some aspects and used for growth of triglycine sulphate (TGS) crystals. The modification leads to the simplicity, reduction of cost and avoided the temperature fluct…

Nonlinear Optical Materials ResearchCrystallization and Solubility StudiesOptical and Acousto-Optic Technologies

Syntheses, Structures, and Electrochemical Properties of Platinum(II) Complexes Containing Di-tert-butylbipyridine and Crown Ether Annelated Dithiolate Ligands

Yong Ji、Rui Zhang、Yujia Li 等 6 位作者2007-01-11Inorganic Chemistry

A series of new platinum(II) complexes containing both 4,4'-di-tert-butyl-2,2'-bipyridine (dbbpy) and the extended tetrathiafulvalenedithiolate ligands have been prepared and characterized. These complexes include [Pt(dbbpy)(C8H4S8)] (1; C8H4S82- = 2-{(4,5-ethylenedithio)-1,3-dithiol-2-ylidene}-1,3-dithiol-4,5-dithiol…

Magnetism in coordination complexesAdvanced battery technologies researchOrganic and Molecular Conductors Research

Optimization of thermal environment during crystal growth of large‐sized Nd:YAG by Temperature Gradient Technique

Hongjun Li、Jun Xu、Su Liangbi 等 7 位作者2007-01-11Crystal Research and Technology

Abstract A finite‐element model is employed to analysis the thermal environments in Temperature Gradient Technique (TGT) furnace during the growth of large‐sized Nd:YAG crystal. The obtained results show that when the crucible is located at the lower position inside of the heater, a flatter solid‐liquid interface is e…

Solidification and crystal growth phenomenaCrystallization and Solubility StudiesThermal and Kinetic Analysis

Growth and characterization of semi organic nonlinear optical LHPCL crystals

S. Aruna、M. Vimalan、Preema C. Thomas 等 7 位作者2007-01-11Crystal Research and Technology

Abstract The growth of single crystals of L‐histidinium perchlorate (LHPCL), a semi organic nonlinear optical material with dimension upto 5 × 6 × 2.5 mm 3 is reported. Good optical quality single crystals were grown from aqueous solution by slow solvent evaporation technique. The grown crystals were characterized by…

Liquid Crystal Research AdvancementsNonlinear Optical Materials ResearchPhotorefractive and Nonlinear Optics

Control of Supersaturation in a Semibatch Antisolvent Crystallization Process Using a Fuzzy Logic Controller

Hossein Hojjati、M. Sheikhzadeh、Sohrab Rohani2007-01-11Industrial & Engineering Chemistry Research

A fuzzy logic control approach is developed for the control of a seeded semibatch crystallizer. Crystallization of paracetamol (PA) in 2-propanol−water mixtures was used as the model system. The concentration and cord length counts were measured using an in situ attenuated total reflection Fourier transform infrared p…

Analytical Chemistry and ChromatographyCrystallization and Solubility StudiesChemical and Physical Properties in Aqueous Solutions

Heats of Formation for Several Crystalline Polymorphs and Pressure-Induced Amorphous Forms of AMo2O8 (A = Zr, Hf) and ZrW2O8

Tamás Varga、Cora Lind、Angus P. Wilkinson 等 6 位作者2007-01-11Chemistry of Materials

The enthalpies of drop solution (Δ H ds ) for several polymorphs of ZrW 2 O 8 (cubic, orthorhombic, trigonal, and amorphous), ZrMo 2 O 8 (cubic, trigonal, monoclinic, and amorphous), and HfMo 2 O 8 (cubic, trigonal, and amorphous) have been measured in molten 3Na 2 O·4MoO 3 at 975 K. Using the values of Δ H ds for the…

Ferroelectric and Piezoelectric MaterialsMicrowave Dielectric Ceramics SynthesisThermal Expansion and Ionic Conductivity

Molecular Query Language (MQL)A Context-Free Grammar for Substructure Matching

Ewgenij Proschak、Jörg K. Wegner、Andreas Schüller 等 5 位作者2007-01-11Journal of Chemical Information and Modeling

We have developed a Java library for substructure matching that features easy-to-read syntax and extensibility. This molecular query language (MQL) is grounded on a context-free grammar, which allows for straightforward modification and extension. The formal description of MQL is provided in this paper. Molecule primi…

Computational Drug Discovery MethodsMachine Learning in Materials ScienceGraph Theory and Algorithms

Studies on the structural, thermal and optical behaviour of solution grown organic NLO material: 8‐hydroxyquinoline

N. Vijayan、G. Bhagavannarayana、K. K. Maurya 等 7 位作者2007-01-11Crystal Research and Technology

Abstract Single crystal of 8‐hydroxyquinoline (8HQ) having chemical formula C 9 H 7 NO, an organic nonlinear optical (NLO) material has been successfully grown by slow evaporation solution growth technique at room temperature. The crystal system has been confirmed from the powder X‐ray diffraction (PXRD) analysis. The…

Crystal structures of chemical compoundsNonlinear Optical Materials ResearchPhotorefractive and Nonlinear Optics

Ferroelectric displacements in multiferroic Y ( Mn , Ga ) O 3

Umut Adem、Agustinus Agung Nugroho、Auke Meetsma 等 4 位作者2007-01-11Physical Review B

We have studied the effects of substitution of ${\mathrm{Mn}}^{3+}$ by ${\mathrm{Ga}}^{3+}$ on the crystal structure of $\mathrm{Y}\mathrm{Mn}{\mathrm{O}}_{3}$. $\mathrm{Y}(\mathrm{Mn},\mathrm{Ga}){\mathrm{O}}_{3}$ is a magnetoferroelectric in which the ferroelectric displacements from the $\mathrm{Y}{\mathrm{O}}_{7}$…

Ferroelectric and Piezoelectric MaterialsMagnetic and transport properties of perovskites and related materialsMultiferroics and related materials