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Ge condensation under SiGe oxidization: from Molecular Dynamics\n simulation to one-dimensional analytic modeling

Patrick Ganster、Andrés Saúl、G. Tréglia2012-07-31arXiv (Cornell University)

Oxidization of a dilute Si(Ge) alloy is modeled using an original protocol\nbased on molecular dynamics simulation and rules for the oxygen insertions.\nThese rules, deduced from ab-initio calculations, favor the formation of SiO_2\nagainst GeO_2 oxide which leads to segregation of Ge atoms into the alloy\nduring the…

Semiconductor materials and devicesSilicon and Solar Cell TechnologiesSilicon Nanostructures and Photoluminescence

Evaluation of Liquid Detergents and Methods Used for Airfield Rubber Removal

Brian W. Cotter、Jeffrey C. Petermann、Julie M. Heiser 等 4 位作者2012-07-31OpenAlex

Abstract : Four separate detergents were tested to determine their effectiveness in airfield rubber removal to restore friction. Each detergent is applied to the pavement surface in controlled 50' x 30' patches. There were three patches placed for each detergent with increasing levels of mechanical effort and agitatio…

Risk and Safety AnalysisInfrastructure Maintenance and MonitoringEngineering and Material Science Research

On the Construction of Constitutive Relations in Hyperelasticity

Luoyi Tao、Rajagopal R Kumbakonam2012-07-31OpenAlex

The notion of abstract bodies and their configurations in a three-dimensional Euclidean space as used in rational continuum mechanics is examined with a view towards assessing how well it reflects physicalperspective, by considering the traditional formulation of constitutive relations between the stress and the defor…

Elasticity and Material ModelingNonlocal and gradient elasticity in micro/nano structuresElasticity and Wave Propagation

Effect of cations on aluminum speciation under alkaline conditions

USDOE、K. Taylor-Pashow、Savannah River Site (SRS), Aiken, SC (United States) 等 4 位作者2012-07-31OpenAlex

A series of experiments were performed to examine the effect of metal cations common to high level waste on the phase of aluminum formed. Experiments were performed at temperature of 150 C, 75 C, and room temperature, either without additional metal cation, or with 0.01-0.2 molar equivalents of either Ni{sup 2+}, Fe{s…

Aluminum Alloys Composites PropertiesBauxite Residue and UtilizationGraphite, nuclear technology, radiation studies

Correction to An Unusual Interweaving in a 3-Fold Interpenetrated Pillared-Layer Zn(II) Coordination Polymer with a Long Spacer Ligand

In‐Hyeok Park、Kihwan Kim、Shim Sung Lee 等 4 位作者2012-07-31Crystal Growth & Design

ADVERTISEMENT RETURN TO ISSUEPREVAdditions and Correc...Additions and CorrectionsORIGINAL ARTICLEThis notice is a correctionCorrection to An Unusual Interweaving in a 3-Fold Interpenetrated Pillared-Layer Zn(II) Coordination Polymer with a Long Spacer LigandIn-Hyeok Park, Kihwan Kim, Shim Sung Lee*, and Jagadese J. Vi…

Metal-Organic Frameworks: Synthesis and ApplicationsMagnetism in coordination complexesCovalent Organic Framework Applications

Charge Transfer and Catalysis at the Metal Support Interface

L. Robert Baker、USDOE Office of Science (SC)2012-07-31OpenAlex

Kinetic, electronic, and spectroscopic characterization of model Pt–support systems are used to demonstrate the relationship between charge transfer and catalytic activity and selectivity. The results show that charge flow controls the activity and selectivity of supported metal catalysts. This dissertation builds on…

Inorganic and Organometallic ChemistryChemical and Physical Properties of MaterialsAdvanced Materials and Semiconductor Technologies

Vacuolar dynamics and replicative aging

Scott Tsuchiyama、Brian K. Kennedy2012-07-31Cell Cycle

Comment on: Gebre S, et al. Cell Cycle 2012; 11:2176-88.

Mitochondrial Function and PathologyGenetics, Aging, and Longevity in Model OrganismsEnzyme Structure and Function

Magnolia pugana: Gibbs, D. & Khela, S.

IUCN2012-07-31IUCN Red List of Threatened Species

Established in 1964, the IUCN Red List of Threatened Species has evolved to become the world’s most comprehensive information source on the global conservation status of animal, fungi and plant species.

Plant-derived Lignans Synthesis and BioactivityPlant Toxicity and Pharmacological PropertiesPhytochemistry and Bioactive Compounds

Unconventional Phase Diagram of Two-Dimensional Electrons at the LaAlO3/SrTiO3 Interface

Arjun Joshua、Jonathan Ruhman、S. Pecker 等 5 位作者2012-07-31arXiv (Cornell University)

. Preferred crystalline directionality may also arise due to the localized magnetic moments, since they too originate from d-orbitals localized on individual Ti atoms. Clearly, valuable information about the possible electronic ground states can be gained by studying their spatial symmetries. Measurements of anisotrop…

Cold Atom Physics and Bose-Einstein CondensatesMagnetic and transport properties of perovskites and related materialsElectronic and Structural Properties of Oxides

A Gate-tunable Polarized Phase of Two-Dimensional Electrons at the LaAlO3/SrTiO3 Interface

Arjun Joshua、Jonathan Ruhman、S. Pecker 等 5 位作者2012-07-31arXiv (Cornell University)

Controlling the coupling between localized spins and itinerant electrons can lead to exotic magnetic states. A novel system featuring local magnetic moments and extended 2D electrons is the interface between LaAlO3 and SrTiO3. The magnetism of the interface, however, was observed to be insensitive to the presence of t…

Semiconductor materials and devicesMagnetic and transport properties of perovskites and related materialsElectronic and Structural Properties of Oxides

Modeling of random bimodal structures of composites (application to solid propellants): I. Simulation of random packs

Valeriy A. Buryachenko、T. L. Jackson、G. Amádio2012-07-31arXiv (Cornell University)

We consider a composite medium, which consists of a homogeneous matrix containing a statistically homogeneous set of multimodal spherical inclusions. This model is used to represent the morphology of heterogeneous solid propellants (HSP) that are widely used in the rocket industry. The Lubachevsky-Stillinger algorithm…

Material Dynamics and PropertiesComposite Material MechanicsDiverse Scientific and Engineering Research

High Reclaimed Asphalt Pavement in Hot Mix Asphalt

A. Norton2012-07-31Rowan Digitals Works (Rowan University)

When old roads have to be replaced, the existing pavement, known as Reclaimed Asphalt Pavement (RAP) is ripped up, milled, and stockpiled and can be used in the creation of new mixes in order to save money and resources. New Jersey state specifications limit the percentage of RAP that can be used to 15% for surface co…

Asphalt Pavement Performance EvaluationSmart Materials for ConstructionEngineering and Material Science Research

Tetrabromido(di-2-pyridylamine-κ2N2,N2′)platinum(IV)

Kwang Ha2012-07-31Acta Crystallographica Section E Structure Reports Online

The Pt(IV) ion in the title complex, [PtBr(4)(C(10)H(9)N(3))], is six-coordinated in a slightly distorted octa-hedral environment by two pyridine N atoms from a chelating di-2-pyridyl-amine (dpa) ligand and four Br(-) anions. The complex mol-ecule has mirror symmetry, with the Pt(IV) atom, two Br atoms and the central…

Metal complexes synthesis and propertiesCrystal structures of chemical compoundsMagnetism in coordination complexes

ESTUDO DA VIABILIDADE EM SOLOS AGRÍCOLAS DO USO DA BIOTITA-ANFIBÓLITO/XISTO CONTIDO NOS REJEITOS GERADOS PELOS GARIMPOS DA PROVÍNCIA ESMERALDÍFERA DE NOVA ERA – MG

Amando Pinho Aguiar、Adolf Heinrich Horn、Alexandre Sylvio Vieira da Costa 等 5 位作者2012-07-31Revista Geonomos

Os rejeitos minerais gerados pelos processos de mineração de esmeraldas possuem uma composição mineralógica e química peculiar aos insumos agrícolas (corretivos e fertilizantes). Os elementos químicos encontrados nos minerais desses materiais podem conforme o seu processo de ionização na solução do solo e comportament…

Heavy metals in environmentClay minerals and soil interactionsSoil Management and Crop Yield

Novel Atmospheric Plasma Enhanced Nanofiber/Gauze Composite Wound Dressings

Rupesh Nawalakhe2012-07-31NCSU Libraries Repository (North Carolina State University Libraries)

North Carolina State University Theses Textile Engineering, Chemistry and Science.

Electrospun Nanofibers in Biomedical ApplicationsLaser Applications in Dentistry and MedicineLaser-Ablation Synthesis of Nanoparticles

Electrical Properties of DC Reactive Magnetron Sputtered ZnO:Al Films from Optical Spectra

P.D. Nsimama、ME Samiji2012-07-31Tanzania Journal of Science

Reactive direct current (DC) sputtered ZnO:Al films were prepared using the plasma emission monitoring (PEM) system. Films were deposited using PEM setpoints ranging from 50 to 80%. Transmittance and reflectance of the films were measured by using the UV-VIS-NIR Lambda 900 double beam spectrophotometer. The sheet resi…

ZnO doping and propertiesGas Sensing Nanomaterials and SensorsCopper-based nanomaterials and applications

Scanning Tunneling Microscopy Study of α,ω-Dihexylsexithiophene Adlayers on Au(111): A Chiral Separation Induced by a Surface

Yonghai Song、Yu Wang、Lingli Wan 等 6 位作者2012-07-31Microscopy and Microanalysis

The self-assembly of α,ω-dihexylsexithiophene molecules on an Au(111) surface was examined by using scanning tunneling microscopy at room temperature, revealing the internal molecular structures of the sexithiophene backbones and the hexyl side chains. The α,ω-dihexylsexithiophene formed a large and well-ordered monol…

Graphene research and applicationsMolecular Junctions and NanostructuresSurface Chemistry and Catalysis