Search Results - "Barbiellini, B."
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Characterization of Thin Film Materials using SCAN meta-GGA, an Accurate Nonempirical Density Functional
Published in Scientific reports (23-03-2017)“…We discuss self-consistently obtained ground-state electronic properties of monolayers of graphene and a number of ’beyond graphene’ compounds, including films…”
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2
Anomalous intense coherent secondary photoemission from a perovskite oxide
Published in Nature (London) (18-05-2023)“…Photocathodes—materials that convert photons into electrons through a phenomenon known as the photoelectric effect—are important for many modern technologies…”
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3
Engendering anion immunity in oxygen consuming cathodes based on Fe-Nx electrocatalysts: Spectroscopic and electrochemical advanced characterizations
Published in Applied catalysis. B, Environmental (05-12-2016)“…[Display omitted] •Non-PGM ORR catalysts with Fe-Nx active centers.•Experimental and theoretical insights into Fe-Nx centers as active sites and their…”
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Auger electron emission initiated by the creation of valence-band holes in graphene by positron annihilation
Published in Nature communications (13-07-2017)“…Auger processes involving the filling of holes in the valence band are thought to make important contributions to the low-energy photoelectron and secondary…”
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5
Explaining the x-ray nonlinear susceptibility of diamond and silicon near absorption edges
Published in Physical review. B, Condensed matter and materials physics (12-10-2015)“…We report the observation and the theoretical explanation of the parametric down-conversion nonlinear susceptibility at the K-absorption edge of diamond and at…”
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6
Positronium emission spectra from self-assembled metal-organic frameworks
Published in Physical review. B, Condensed matter and materials physics (18-06-2014)“…Results of positronium (Ps) emission into vacuum from self-assembled metal-organic frameworks (MOFs) are presented and discussed in detail. Four different MOF…”
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Angle-Resolved Spectroscopy of Positronium Emission from a Cu(110) Surface
Published in Physical review letters (15-11-2016)“…The affinity A_{Ps} of positronium (Ps) atoms for a metal is the negative of the maximum kinetic energy with which Ps is emitted into vacuum when thermalized…”
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Identifying a descriptor for d-orbital delocalization in cathodes of Li batteries based on x-ray Compton scattering
Published in Applied physics letters (15-08-2016)“…We discuss how x-ray Compton scattering spectra can be used for investigating the evolution of electronic states in cathode materials of Li batteries under the…”
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Importance of local band effects for ferromagnetism in hole-doped La2CuO4 cuprate superconductors
Published in Physical review letters (10-10-2008)“…Band calculations for supercells of La((2-x))Ba(x)CuO(4) show that the rigid band model for doping is less adequate than what is commonly assumed. In…”
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10
Exactly soluble model of resonant energy transfer between molecules
Published in Physical review. B, Condensed matter and materials physics (07-03-2012)“…Forster's theory of resonant energy transfer (FRET) predicts the strength and range of exciton transport between separated molecules. We introduce an exactly…”
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Extracting the redox orbitals in Li battery materials with high-resolution x-ray compton scattering spectroscopy
Published in Physical review letters (25-02-2015)“…We present an incisive spectroscopic technique for directly probing redox orbitals based on bulk electron momentum density measurements via high-resolution…”
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12
Imaging Doped Holes in a Cuprate Superconductor with High-Resolution Compton Scattering
Published in Science (American Association for the Advancement of Science) (06-05-2011)“…The high-temperature superconducting cuprate La 2−x Sr x CuO₄ (LSCO) shows several phases ranging from antiferromagnetic insulator to metal with increasing…”
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13
Muonium emission into vacuum from mesoporous thin films at cryogenic temperatures
Published in Physical review letters (03-04-2012)“…We report on muonium (Mu) emission into vacuum following μ(+) implantation in mesoporous thin SiO(2) films. We obtain a yield of Mu into vacuum of (38±4)% at…”
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14
Pressure-dependent electronic properties of MgO polymorphs: a first-principles study of Compton profiles and autocorrelation functions
Published in Journal of materials science (01-11-2012)“…The first-principles periodic linear combination of atomic orbitals method within the framework of density functional theory implemented in the CRYSTAL06 code…”
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Auger-mediated sticking of positrons to surfaces: evidence for a single-step transition from a scattering state to a surface image potential bound state
Published in Physical review letters (18-06-2010)“…We present the observation of an efficient mechanism for positron sticking to surfaces termed here Auger-mediated sticking. In this process the energy…”
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Covalency of the Hydrogen Bond in Ice: A Direct X-Ray Measurement
Published in Physical review letters (1999)Get full text
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Visualizing the mixed bonding properties of liquid boron with high-resolution x-ray Compton scattering
Published in Physical review letters (28-04-2015)“…Bonding characteristics of liquid boron at 2500 K are studied by using high-resolution Compton scattering. An excellent agreement is found between the…”
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18
A Minimal tight-binding model for ferromagnetic canted bilayer manganites
Published in Scientific reports (19-12-2014)“…Half-metallicity in materials has been a subject of extensive research due to its potential for applications in spintronics. Ferromagnetic manganites have been…”
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Physisorption of positronium on quartz surfaces
Published in Physical review letters (31-08-2007)“…Whether positronium (Ps) can be physisorbed on a material surface is of great fundamental interest, since it can lead to new insight regarding quantum sticking…”
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Minority-spin t2g states and the degree of spin polarization in ferromagnetic metallic La2-2xSr1+2xMn2O7 (x = 0.38)
Published in Scientific reports (07-11-2013)“…A half-metal is a material with conductive electrons of one spin orientation. This type of substance has been extensively searched for due to the fascinating…”
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