Lorentz-violating type-II Dirac fermions in transition metal dichalcogenide PtTe2

M Yan, H Huang, K Zhang, E Wang, W Yao… - Nature …, 2017 - nature.com
Topological semimetals have recently attracted extensive research interests as host
materials to condensed matter physics counterparts of Dirac and Weyl fermions originally …

Determination of the embedded electronic states at nanoscale interface via surface-sensitive photoemission spectroscopy

HQ Wang, J Xu, X Lin, Y Li, J Kang… - Light: Science & …, 2021 - nature.com
The fabrication of small-scale electronics usually involves the integration of different
functional materials. The electronic states at the nanoscale interface plays an important role …

Another mechanism for the insulator-metal transition observed in Mott insulators

AG Gavriliuk, VV Struzhkin, IS Lyubutin… - Physical Review B …, 2008 - APS
The two widely accepted mechanisms of the insulator-metal Mott–Hubbard transitions which
have been considered up until now are driven by the band-filling or bandwidth effects. We …

Band dispersion and hole effective mass of methylammonium lead iodide perovskite

JP Yang, M Meissner, T Yamaguchi, XY Zhang… - Solar …, 2018 - Wiley Online Library
Solar cells incorporating organic–inorganic perovskites, especially methylammonium lead
iodide (CH3NH3PbI3), have recently shown remarkable performances and therefore …

Hole-induced electronic and optical transitions in epitaxial thin films

L Wang, Y Du, PV Sushko, ME Bowden… - Physical Review …, 2019 - APS
We have investigated the electronic and optical properties of epitaxial L a 1-x S rx Fe O 3 for
0≤ x≤ 1 prepared by molecular-beam epitaxy. Core-level and valence-band x-ray …

Influence of alkaline-earth metal substitution on structure, electrical conductivity and oxygen transport properties of perovskite-type oxides La 0.6 A 0.4 FeO 3− δ (A …

J Song, D Ning, HJM Bouwmeester - Physical Chemistry Chemical …, 2020 - pubs.rsc.org
Structural evolution, electrical conductivity, oxygen nonstoichiometry and oxygen transport
properties of perovskite-type oxides La0. 6A0. 4FeO3− δ (A= Ca, Sr, and Ba) were …

Optical absorption in epitaxial La1− xSrxFeO3 thin films

MD Scafetta, YJ **e, M Torres, JE Spanier… - Applied Physics …, 2013 - pubs.aip.org
We report the dependence of optical absorption on Sr concentration in La 1− x Sr x FeO 3
(LSFO)(⁠ x≤ 0.4⁠) perovskite thin films. Strained epitaxial films were deposited on SrTiO 3 …

Electronic structure of pristine and Ni-substituted from near edge x-ray absorption fine structure experiments and first-principles simulations

I Timrov, P Agrawal, X Zhang, S Erat, R Liu… - Physical Review …, 2020 - APS
We present a joint theoretical and experimental study of the oxygen K-edge spectra for La
Fe O 3 and homovalent Ni-substituted La Fe O 3 (La Fe 0.75 Ni 0.25 O 3), using first …

Static and Dynamic Optical Properties of La1–xSrxFeO3−δ: The Effects of A-Site and Oxygen Stoichiometry

SY Smolin, MD Scafetta, AK Choquette… - Chemistry of …, 2016 - ACS Publications
Perovskite oxides are a promising material class for photovoltaic and photocatalytic
applications due to their visible band gaps, nanosecond recombination lifetimes, and great …

Angle-resolved photoemission study of Nb-doped

M Takizawa, K Maekawa, H Wadati, T Yoshida… - Physical Review B …, 2009 - APS
We have performed an angle-resolved photoemission spectroscopy (ARPES) study of the O
2 p valence-band structure of Nb-doped SrTiO 3, in which a dilute concentration of electrons …