Search Results - "Romero, A. H."
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Optical Coherence in Atomic-Monolayer Transition-Metal Dichalcogenides Limited by Electron-Phonon Interactions
Published in Physical review letters (25-03-2016)“…We systematically investigate the excitonic dephasing of three representative transition-metal dichalcogenides, namely, MoS_{2}, MoSe_{2}, and WSe_{2} atomic…”
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Element-Resolved Corrosion Analysis of Stainless-Type Glass-Forming Steels
Published in Science (American Association for the Advancement of Science) (26-07-2013)“…Ultrathin passive films effectively prevent the chemical attack of stainless steel grades in corrosive environments; their stability depends on the interplay…”
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Temperature dependence of band gaps in semiconductors: Electron-phonon interaction
Published in Physical review. B, Condensed matter and materials physics (26-11-2012)“…We have theoretically investigated, by ab initio techniques, the phonon properties of several semiconductors with chalcopyrite structure. Comparison with…”
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Diffusion on a solid surface: Anomalous is normal
Published in Physical review letters (25-06-2004)“…We present a numerical study of classical particles diffusing on a solid surface. The particles' motion is modeled by an underdamped Langevin equation with…”
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Electronic transport properties of (fluorinated) metal phthalocyanine
Published in New journal of physics (01-01-2016)“…The magnetic and transport properties of the metal phthalocyanine (MPc) and F16MPc (M = Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn and Ag) families of molecules in…”
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Insights into the magnetic dead layer in La0.7Sr0.3MnO3 thin films from temperature, magnetic field and thickness dependence of their magnetization
Published in AIP advances (01-05-2018)“…Experimental investigations of the magnetic dead layer in 7.6 nm thick film of La0.7Sr0.3MnO3 (LSMO) are reported. The dc magnetization (M) measurements for a…”
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InN thin film lattice dynamics by grazing incidence inelastic x-ray scattering
Published in Physical review letters (19-05-2011)“…Achieving comprehensive information on thin film lattice dynamics so far has eluded well established spectroscopic techniques. We demonstrate here the novel…”
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Sorting on periodic surfaces
Published in Physical review letters (29-04-2005)“…Particles moving on crystalline surfaces and driven by external forces or flow fields can acquire velocities along directions that deviate from that of the…”
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Thermal conductivity in PbTe from first principles
Published in Physical review. B, Condensed matter and materials physics (29-06-2015)“…We Investigate the harmonic and enharmonic contributions to the phonon spectrum of lead telluride and perform a complete characterization of how thermal…”
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Finite size effects on the magnetocrystalline anisotropy energy in Fe magnetic nanowires from first principles
Published in Journal of nanoparticle research : an interdisciplinary forum for nanoscale science and technology (01-04-2013)“…The geometric and the electronic structures, the magnetic moments, and the magnetocrystalline anisotropy energy of bcc-Fe nanowires with z -axis along the…”
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Transport and diffusion on crystalline surfaces under external forces
Published in New journal of physics (31-01-2005)“…We present a numerical study of classical particles obeying a Langevin equation and moving on a solid crystalline surface under an external force that may…”
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Measurement of the vortex core in sub-100 nm Fe dots using polarized neutron scattering
Published in Europhysics letters (01-06-2009)“…We use polarized neutron scattering to obtain quantitative information about the magnetic state of sub-100 nm circular magnetic dots. Evidence for the…”
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Small Pd clusters : A comparison of phenomenological and ab initio approaches
Published in Physical review. B, Condensed matter and materials physics (01-09-2005)Get full text
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Temperature-dependent Raman scattering of natural and isotopically substituted PbS
Published in Physica Status Solidi (b) (01-06-2008)“…Lead sulfide is an important semiconductor that has found technological applications for over a century. Raman spectroscopy, a standard tool for the…”
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Synthesis of magnetite nanoparticles–β-cyclodextrin complex
Published in Journal of alloys and compounds (20-10-2008)“…In this work, the synthesis and characterization of a magnetite (M) and β-cyclodextrin (CD) complex is presented. The chemical bonding between the magnetite…”
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Creation of helical vortices during magnetization of aligned carbon nanotubes filled with Fe : Theory and experiment
Published in Physical review letters (03-06-2005)“…We report a novel magnetic phenomenon consisting of the formation of helical spin configurations during the magnetization of densely packed ferromagnetic…”
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Dependence of phonon widths on pressure and isotopic mass: ZnO
Published in Phys. Status Solidi (b). Vol. 235, no. 2, pp. 260-266. 2003 (01-02-2003)“…Considerable attention has been devoted recently to the dependence of the widths of the Raman phonons of semiconductors on pressure and on isotopic mass. The…”
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Origin of the temperature dependence of the band gap of PbS and PbSe quantum dots
Published in Solid state communications (01-07-2013)“…The lead chalcogenides semiconductor materials show in the bulk a shift of the electronic band gap with temperature that is opposite to the majority of direct…”
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Theoretical characterization of several models of nanoporous carbon
Published in New journal of physics (30-09-2003)Get full text
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