The S-matrix for surface boundary states: An application to photoemission for Weyl semimetals
Sign Up to like & getrecommendations! Published in 2018 at "Annals of Physics"
DOI: 10.1016/j.aop.2018.04.018
Abstract: We present a new theory of photoemission for Weyl semimetals. We derive this theory using a model with a boundary surface at $z=0$. Due to the boundary, the self adjoint condition needs to be verified… read more here.
Keywords: photoemission weyl; surface boundary; weyl semimetals; matrix surface ... See more keywords
Multiple scattering approach to photoemission from the highest occupied molecular orbital of pentacene
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Electron Spectroscopy and Related Phenomena"
DOI: 10.1016/j.elspec.2017.04.002
Abstract: Abstract Angle resolved photoemission spectroscopy (ARPES) gives detailed information about the surface electronic structures and oriented molecules. In the so-called orbital tomography method, the ARPES intensity is obtained by a simple Fourier transform of the… read more here.
Keywords: scattering approach; spectroscopy; multiple scattering; molecular orbital ... See more keywords
Studying the heterogeneity of the CrxTi1-xCh2 (Ch = S, Se) single crystals using X-ray scanning photoemission microscopy
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Physics and Chemistry of Solids"
DOI: 10.1016/j.jpcs.2021.110309
Abstract: Abstract The morphology of the heterogeneous CrxTi1-xSe2 and CrxTi1-xS2 single crystals has been studied using X-ray scanning photoemission microscopy (SPEM) and angular resolved photoemission spectroscopy (ARPES). A direct method of SPEM provided us the insight… read more here.
Keywords: crxti1; microscopy; photoemission; using ray ... See more keywords
Observation of photoemission behaviour during avalanche breakdown of insulated gate bipolar transistor with defect in the metal contact
Sign Up to like & getrecommendations! Published in 2021 at "Microelectronics Reliability"
DOI: 10.1016/j.microrel.2021.114365
Abstract: Abstract Under unclamped inductive switching (UIS) condition, there is non-uniformity in the intra-chip distribution of avalanche breakdown current in insulated gate bipolar transistors (IGBTs). The “current filaments”, which are concentrations of current caused by the… read more here.
Keywords: observation; avalanche breakdown; defect; behaviour ... See more keywords
Femtosecond ultrafast dynamics study on the photoemission performance of reflection-mode GaAlAs photocathode
Sign Up to like & getrecommendations! Published in 2019 at "Materials Science in Semiconductor Processing"
DOI: 10.1016/j.mssp.2018.10.037
Abstract: Abstract The photoemission characteristic of reflection-mode GaAlAs photocathode has been investigated, while a convenient and nondestructive method for evaluating the photocathode performances will be introduced. In this paper, two same reflection-mode photocathode structures with different… read more here.
Keywords: gaalas photocathode; photoemission; femtosecond; reflection mode ... See more keywords
Design and optimization of high-performance slot-microring Si-photodetector based on internal photoemission effect
Sign Up to like & getrecommendations! Published in 2017 at "Optics Communications"
DOI: 10.1016/j.optcom.2017.03.071
Abstract: Abstract This paper presents the design and optimization of a microring resonator enhanced-internal photoemission effect-photodetectors (MRRE-IPE-PDs) suitable for optical communication. Two PD configurations are considered: the first consists of an MRR that is partially surrounded… read more here.
Keywords: internal photoemission; design optimization; photoemission effect; photoemission ... See more keywords
Effects of Wavelength Variation on Localized Photoemission in Triangular Gold Antennas
Sign Up to like & getrecommendations! Published in 2019 at "Microscopy and Microanalysis"
DOI: 10.1017/s1431927619011796
Abstract: Exposing metal-dielectric structures to light can result in surface plasmon excitation and propagation along the transition interface, creating a surface plasmon polariton (SPP) response. Photoemission electron microscopy (PEEM) has been used to image nanometer scale… read more here.
Keywords: microscopy; photoemission; wavelength variation; effects wavelength ... See more keywords
Photoemission of quantum materials
Sign Up to like & getrecommendations! Published in 2017 at "Nature Physics"
DOI: 10.1038/nphys4273
Abstract: The emergent phenomena that characterize quantum materials have received prominent exposure thanks to experimental techniques based on photoemission. In turn, the challenges and opportunities presented by quantum materials have driven improvements in the photoemission technology… read more here.
Keywords: photoemission quantum; quantum materials; photoemission;
High-order replica bands in monolayer FeSe/SrTiO3 revealed by polarization-dependent photoemission spectroscopy
Sign Up to like & getrecommendations! Published in 2021 at "Nature Communications"
DOI: 10.1038/s41467-021-24783-5
Abstract: The mechanism of the enhanced superconductivity in monolayer FeSe/SrTiO3 has been enthusiastically studied and debated over the past decade. One specific observation has been taken to be of central importance: the replica bands in the… read more here.
Keywords: replica bands; photoemission; spectroscopy; monolayer fese ... See more keywords
An open-source, end-to-end workflow for multidimensional photoemission spectroscopy
Sign Up to like & getrecommendations! Published in 2020 at "Scientific Data"
DOI: 10.1038/s41597-020-00769-8
Abstract: Characterization of the electronic band structure of solid state materials is routinely performed using photoemission spectroscopy. Recent advancements in short-wavelength light sources and electron detectors give rise to multidimensional photoemission spectroscopy, allowing parallel measurements of… read more here.
Keywords: end; photoemission spectroscopy; multidimensional photoemission; spectroscopy ... See more keywords
Inside a nanocrystal-based photodiode using photoemission microscopy.
Sign Up to like & getrecommendations! Published in 2023 at "Nanoscale"
DOI: 10.1039/d3nr00999h
Abstract: As nanocrystal-based devices gain maturity, a comprehensive understanding of their electronic structure is necessary for further optimization. Most spectroscopic techniques typically examine pristine materials and disregard the coupling of the active material to its actual… read more here.
Keywords: photoemission microscopy; photoemission; nanocrystal based; microscopy ... See more keywords