Observation of Si 2p Core‐Level Shift in Si/High‐κ Dielectric Interfaces Containing a Negative Charge
Sign Up to like & getrecommendations! Published in 2021 at "Advanced Electronic Materials"
DOI: 10.1002/aelm.202100034
Abstract: Negative static charge and induced internal electric field have often been observed in the interfaces between silicon and high‐κ dielectrics, for example Al2O3 and HfO2. The electric field provides either beneficial (e.g., field‐effect passivation) or… read more here.
Keywords: level shift; core level; negative charge; charge ... See more keywords
Experimental and Theoretical Core Level and Valence Band Analysis of Clean Perovskite Single Crystal Surfaces.
Sign Up to like & getrecommendations! Published in 2022 at "Small"
DOI: 10.1002/smll.202106450
Abstract: A detailed understanding of the surface and interface properties of lead halide perovskites is of interest for several applications, in which these materials may be used. To develop this understanding, the study of clean crystalline… read more here.
Keywords: single crystal; level valence; spectroscopy; perovskite single ... See more keywords
Observation of the 4f ground-state symmetry in strongly correlated cubic Pr compounds probed by linearly polarized 3d core-level photoemission spectroscopy
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Electron Spectroscopy and Related Phenomena"
DOI: 10.1016/j.elspec.2019.07.006
Abstract: Abstract We report the core-level photoemission study of cubic PrBe13, PrIr2Zn20 and PrB6 using linearly polarized hard X-ray. We have successfully observed linear dichroism (LD) in Pr3+ 3d core-level photoemission spectra reflecting the 4f ground-state… read more here.
Keywords: spectroscopy; ground state; state symmetry; level photoemission ... See more keywords
On the signatures of oxygen vacancies in O1s core level shifts
Sign Up to like & getrecommendations! Published in 2020 at "Surface Science"
DOI: 10.1016/j.susc.2020.121761
Abstract: Abstract Density functional theory calculations are used to investigate O1s surface core level shifts for MgO(100), ZnO(10 1 ¯ 0), In 2 O 3 (111) and CeO 2 (111). Shifts are calculated for the pristine… read more here.
Keywords: core level; binding energies; level shifts; oxygen vacancies ... See more keywords
Effect of Anisotropic Hybridization in YbAlB_{4} Probed by Linear Dichroism in Core-Level Hard X-Ray Photoemission Spectroscopy.
Sign Up to like & getrecommendations! Published in 2019 at "Physical review letters"
DOI: 10.1103/physrevlett.123.036404
Abstract: We have probed the crystalline electric-field ground states of pure |J=7/2,J_{z}=±5/2⟩ as well as the anisotropic c-f hybridization in both valence fluctuating systems α- and β-YbAlB_{4} by linear polarization dependence of angle-resolved core level photoemission… read more here.
Keywords: spectroscopy; photoemission spectroscopy; anisotropic hybridization; core level ... See more keywords
Core Level Spectra of Organic Molecules Adsorbed on Graphene
Sign Up to like & getrecommendations! Published in 2018 at "Materials"
DOI: 10.3390/ma11040518
Abstract: We perform first principle calculations based on density functional theory to investigate the effect of the adsorption of core-excited organic molecules on graphene. We simulate Near Edge X-ray absorption Fine Structure (NEXAFS) and X-ray Photoemission… read more here.
Keywords: core level; adsorption; graphene; organic molecules ... See more keywords
Spin-Orbit Coupling Effects in Au 4f Core-Level Electronic Structures in Supported Low-Dimensional Gold Nanoparticles
Sign Up to like & getrecommendations! Published in 2021 at "Nanomaterials"
DOI: 10.3390/nano11020554
Abstract: Despite their many advantages, issues remain unresolved over the variability in catalytic activities in supported gold nanoparticle (AuNP)-based catalysts, which requires precise characterization to unravel the presence of any fine features. Herein, upon analyzing the… read more here.
Keywords: gold nanoparticles; core level; gold; spin orbit ... See more keywords
Optical Process of Linear Dichroism in Angle-Resolved Core-Level Photoemission Reflecting Strongly Correlated Anisotropic Orbital Symmetry
Sign Up to like & getrecommendations! Published in 2019 at "Journal of the Physical Society of Japan"
DOI: 10.7566/jpsj.88.013706
Abstract: We revisit the formulations and simulations of angular distributions in polarization-dependent core-level photoemission spectra of strongly correlated electron systems, in order to explain the recently discovered linear dichroism (LD) in the core-level photoemission of 4f-based… read more here.
Keywords: strongly correlated; level photoemission; linear dichroism; symmetry ... See more keywords
Core-Level Photoelectron Spectroscopy Study of UTe2
Sign Up to like & getrecommendations! Published in 2020 at "Journal of the Physical Society of Japan"
DOI: 10.7566/jpsj.90.015002
Abstract: The valence state of UTe2 was studied by core-level photoelectron spectroscopy. The main peak position of the U 4f core-level spectrum of UTe2 coincides with that of UB2, which is an itinerant comp... read more here.
Keywords: photoelectron spectroscopy; spectroscopy; core level; level photoelectron ... See more keywords