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Developing scalable and environmentally benign anticorrosion coatings is critical for protecting steel infrastructure in chloride-rich environments. Here, a nacre-inspired multilayer epoxy coating reinforced with four MXene systems is…

Materials Science · Physics 2026-05-01 Aqsa Fayyaz , Ulises Martin Diaz , Jianyu Dai , Homero Castaneda , Chenglin Wu

Saturation magnetization values close to the bulk have been reported for coated magnetite nanoparticles with organic acids. The mechanism of this effect is not yet understood. Here we show that a previously proposed rationalization in Nano…

Materials Science · Physics 2022-01-05 Enrico Bianchetti , Cristiana Di Valentin

In recent years, nanostructures with hexagonal polytypes of gold have been synthesised, opening new possibilities in nanoscience and technology. As bulk gold crystallizes in the \textit{fcc} phase, surface effects can play an important role…

The superconducting series, Fe(Te,Se), has a complex structural and magnetic phase diagram that is dependent on composition and occupancy of a secondary interstitial Fe site. In this letter, we show that superconductivity in Fe1+xTe0.7Se0.3…

Superconductivity · Physics 2011-07-12 E. E. Rodriguez , C. Stock , P-Y Hsieh , N. Butch , J. Paglione , M. A. Green

Recent experimental studies on Fe substituted spinel CoCr$_{2}$O$_{4}$ have discovered multiple functional properties in the system such as temperature and composition dependent magnetic compensation, tunable exchange bias and…

Materials Science · Physics 2018-08-29 Debashish Das , Subhradip Ghosh

The engineered spin structures recently built and measured in scanning tunneling microscope experiments are calculated using density functional theory. By determining the precise local structure around the surface impurities, we find the Mn…

Mesoscale and Nanoscale Physics · Physics 2015-05-18 Chiung-Yuan Lin , B. A. Jones

Based on first principles calculation, the electronic properties of graphene on metal (Ti, Ca, Ni, Mn, Co, Fe, Cr, K) modified SiO2 substrate have been studied. The results of binding energies supported graphene indicate that the metal…

Mesoscale and Nanoscale Physics · Physics 2012-03-02 L. Shen , F. Jiang , M. Xiao , R. Zhang , M. X. Yu , L. Miao , J. J. Jiang

We investigate 1, 2, 3, and 4 monolayers of iron grown on the (001) surface of ZnSe using spin density functional theory, plane-wave expansion, and ultrasoft pseudopotentials. An ideal structure of the interface is plausible due to the very…

Other Condensed Matter · Physics 2007-05-23 H. Dobler , D. Strauch

The Augmented Space Formalism coupled with Recursion method and Density Functional Theory based Tight-Binding Linear Muffin-Tin Orbitals have been applied for a first principles calculation of surface electronic and magnetic properties of…

Materials Science · Physics 2014-10-14 Priyadarshini Parida , Biplab Ganguli , Abhijit Mookerjee

The spinel/perovskite heterointerface $\gamma$-Al$_2$O$_3$/SrTiO$_3$ hosts a two-dimensional electron system (2DES) with electron mobilities exceeding those in its all-perovskite counterpart LaAlO$_3$/SrTiO$_3$ by more than an order of…

We study the chemical nature of the bonding of an oxide layer to the parent metal. In order to disentangle chemical effects from strain/misfit, Ti(10$\bar{1}$0)/TiO$_{2}$(100) interface has been chosen. We use the density functional…

Materials Science · Physics 2012-12-10 Linggang Zhu , Graeme J. Ackland

We systematically studied the magnetic and transport properties for the polycrystalline samples of Fe-doped perovskite cobaltites: Pr$_{1-y}$Ca$_{y}$Co$_{1-x}$Fe$_x$O$_3$ ($y$=0.3, $x$=0-0.15; $y$=0.45, $x$=0-0.3) and…

Strongly Correlated Electrons · Physics 2007-05-23 Xigang Luo , Wendong Xing , Zhaofeng Li , Gang Wu , Xianhui Chen

The electronic and magnetic properties of ferromagnetic doped manganites are investigated by means of model tight-binding and \textit{ab initio} self-interaction corrected local spin density approximation calculations. It is found that the…

Strongly Correlated Electrons · Physics 2009-11-10 H. Zenia , G. Banach , W. M. Temmerman , G. A. Gehring

We have studied the chemisorption processes of O2 on the (100) surface of uranium using generalized gradient approximation to density functional theory. Dissociative adsorptions of O2 are significantly favored compared to molecular…

Strongly Correlated Electrons · Physics 2015-06-24 M. N. Huda , A. K. Ray

We combine $^{57}$Fe M\"ossbauer spectroscopy and $^{57}$Fe nuclear resonant inelastic x-ray scattering (NRIXS) in nanoscale polycrystalline [bcc-$^{57}$Fe/MgO] multilayers with various Fe layer thicknesses and layer-resolved…

Using density functional theory (DFT) based first principles calculations, we show that the preferred interfacial plane orientation relationship is determined by the strength of bonding at the interface. The thermodynamic stability, and the…

Materials Science · Physics 2016-06-29 S. K. Yadav , R. Ramprasad , J. Wang , A. Misra , X. -Y. Liu

We apply density functional theory and the augmented spherical wave method to analyze the electronic structure of V2O3 in the vicinity of an interface to Al2O3. The interface is modeled by a heterostructure setup of alternating vanadate and…

Strongly Correlated Electrons · Physics 2009-01-22 Udo Schwingenschloegl , Raymond Fresard , Volker Eyert

We numerically investigated the connection between isobaric fragility and the properties of high-order stationary points of the potential energy surface in different supercooled Lennard-Jones mixtures. The increase of effective activation…

Statistical Mechanics · Physics 2007-10-02 D. Coslovich , G. Pastore

We study the ionization equilibrium of Fe using photoionization models that incorporate improved values for the ionization and recombination cross-sections and the charge-exchange rates for the Fe ions. The previously available…

Astrophysics · Physics 2007-05-23 M. Rodriguez , R. H. Rubin

Electrochemical interfaces are crucial in catalysis, energy storage, and corrosion, where their stability and reactivity depend on complex interactions between the electrode, adsorbates, and electrolyte. Predicting stable surface structures…