Photoemission Spectroscopy
Surface driven electronic structure in LaFeAsO studied by angle resolved photoemission spectroscopy
... We measured the electronic structure of an iron arsenic parent compound LaFeAsO using angle-resolved photoemission spectroscopy (ARPES). By comparing with a full-potential linear augmented plane wave ...
8
Valence States in CeVO4 and Ce0 5Bi0 5VO4 Probed by Density Functional Theory Calculations and X ray Photoemission Spectroscopy
... photoemission spectroscopy. A peak above the main O 2p valence band in photoemission is attributed to localised Ce 4f states, in agreement with the calculations which show occupation of Ce 4f ...
37
Band offsets of non polar A plane GaN/AlN and AlN/GaN heterostructures measured by X ray photoemission spectroscopy
... The band offsets of non-polar A-plane GaN/AlN and AlN/GaN heterojunctions are measured by X-ray photoemission spectroscopy. A large forward-backward asymmetry is observed in the non-polar GaN/AlN and ...
5
Angle-resolved photoemission spectroscopy for the study of two-dimensional materials
... Angle‑resolved photoemission spectroscopy (ARPES) is a direct tool to investigate the underlying changes of band structure to provide essential information for understanding and controlling such ...
15
Probing the energy levels of perovskite solar cells via Kelvin probe and UV ambient pressure photoemission spectroscopy
... pressure photoemission spectroscopy (UV-APS) to accurately determine the HOMO of each material, and Kelvin probe to measure the surface Fermi level (or work function) in the dark and under white light ...
8
Indirect to direct gap crossover in two dimensional InSe revealed by angle resolved photoemission spectroscopy
... photoemission spectroscopy with submicrometer spatial resolution ( µ ARPES) to visu- alise the layer-dependent valence band structure of mechanically exfoliated crystals of ...
17
Band offsets for ultrathin SiO2 and Si3N4 films on Si(111) and Si(100) from photoemission spectroscopy
... extremely well studied by photoemission spectroscopy 1–5 but little attention has been given to measurements of the valence-band offsets for ultrathin oxide systems. A crucial issue that continues to ...
5
Direct observation of spin-orbit splitting and phonon-assisted optical transitions in the valence band by internal photoemission spectroscopy
... internal photoemission spectroscopy to directly measure the valence-band Van Hove singularity, and identify phonons participating in indirect intervalence-band optical ...transitions. Photoemission ...
6
Three dimensional electronic structure of the nematic and antiferromagnetic phases of NaFeAs from detwinned angle resolved photoemission spectroscopy
... shown that, at least at some optimal photon energies and geometries, ARPES measurements in the tetragonal phase can observe a Fermi surface consisting of two crossed ellipses, corresponding to the expected band structure ...
11
Study of Fermi level movement during CdCl2 treatment of CdTe thin films using Ultra violet Photoemission Spectroscopy
... The formation of a photovoltaic active rectifying junc- tion in any solar cell mainly depends on the type (n-type or p-type) of the materials used, and the level of doping con- centration of the main absorber layer, ...
9
Energy band alignment of II VI/Zn3P2 heterojunctions from x ray photoemission spectroscopy
... 1 represent the corelevel CL to valence-band maximum VBM energy differences measured on thick films 200 nm of the II-VI compound and Zn3P2, respectively, and DECL,i represents the energy[r] ...
9
Valence Band Photoemission in La and Pr: Connections with the Ce Problem
... The Pr spectra show two features attributable to 4f-electron emission, one at 3.6 eV, in agreement with x-ray photoemission spectroscopy results, and a new feature at about 0.75-eV bindi[r] ...
5
Unoccupied electronic structure of Ni2MnGa ferromagnetic shape memory alloy
... Momentum resolved inverse photoemission spectroscopy measurements show that the dispersion of the unoccupied bands of Ni2MnGa is significant in the austenite phase. In the martensite phase, it is markedly ...
7
Nearly free electrons in a 5d delafossite oxide metal
... From angle-resolved photoemission spectroscopy ARPES, combined with density functional theory calculations and precise transport measurements performed on focused ion beam patterned crys[r] ...
7
Quantum oscillations and magnetic reconstruction in the delafossite PdCrO2
... Quantum oscillation [14] and angle-resolved photoemission spectroscopy ARPES [15,16] studies have shown that the PdCrO2 Fermi surfaces result from reconstruction of the PdCoO2 Fermi surf[r] ...
9
TCNQ physisorption on the Bi2Se3 topological insulator
... The essentially unperturbed electronic structure of the topological insulator observed by photoemission spectroscopy measurements demonstrates a negligible charge transfer between the mo[r] ...
18
Quasi two dimensional Fermi surface topography of the delafossite PdRhO2
... In summary, we have successfully established the Fermi surface topography of the metallic delafossite PdRhO , using a combination of angle-resolved photoemission spectroscopy and high re[r] ...
6
Electronic and Local Crystal Structures of the ZrNiSn Half Heusler Thermoelectric Material
... radiation photoemission spectroscopy (SR-PES), synchrotron radiation X-ray powder diffraction (SR-XRD) measurements, and electronic band structure calculations to clarify mechanisms leading to improvements ...
6
Complex spectral evolution in a BCS superconductor, ZrB12
... dicted to be a complex conventional superconductor employing high resolution photoemission spectroscopy and ab initio band structure calculations. The valence band spectra exhibit multiple features with ...
7
Quasicrystalline nature of quasicrystal surfaces: A photoemission study
... Furthermore, it is not clear if the depression of DOS is sufficient to explain the strongly reduced conductivity of quasicrystals or whether an unusually small electron diffu- sivity has to be considered. 25 Finally, one ...
6