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20032013
most citedFirst direct observation of Spin-textures in Topological Insulators : Spin-resolved ARPES as a probe of topological quantum spin Hall effect and Berry's phase

1.3k citations

Showing 2011Show all

17 papers · 1 filter

cond-mat.str-el201145 cited

Proton diffusivity in the BaZr0.9Y0.1O3-δ proton conductor

Artur Braun, Sophie Duval, Peter Ried +7

The thermally activated proton diffusion in BaZr0.9Y0.1O3-δ was studied with electrochemical impedance spectroscopy (IS) and quasi-elastic neutron scattering (QENS) in the temperat…

cond-mat.mtrl-sci201125 cited

Diffraction of slow neutrons by holographic SiO_2 nanoparticle-polymer composite gratings

J. Klepp, C. Pruner, Y. Tomita +8

Diffraction experiments with holographic gratings recorded in SiO nanoparticle-polymer composites have been carried out with slow neutrons. The influence of parameters such as…

cond-mat.str-el20117 cited

Correlation of conductivity and angle integrated valence band photoemission characteristics in single crystal iron perovskites for 300 K < T < 800 K: Comparison of surface and bulk sensitive methods

A. Braun, B. S. Mun, Y. Sun +9

A single crystal monolith of La0.9Sr0.1FeO3 and thin pulsed laser deposited film of La0.8Sr0.2Fe0.8Ni0.2O3 were subject to angle integrated valence band photoemission spectroscopy…

cond-mat.str-el201117 cited

Entanglement of charge transfer, hole doping, exchange interaction and octahedron tilting angle and their influence on the conductivity of La1-xSrxFe0.75Ni0.25O3-δ: A combination of x-ray spectroscopy and diffraction

Selma Erat, Artur Braun, Cinthia Piamonteze +5

Substitution of La by Sr in the 25% Ni doped charge transfer insulator LaFeO3 creates structural changes that inflect the electrical conductivity caused by small polaron hopping vi…

cond-mat.str-el20114 cited

Correlation of high temperature X-ray photoemission spectral features and conductivity of epitaxially strained (La0.8Sr0.2)0.95Ni0.2Fe0.8O3/SrTiO3(110)

A. Braun, X. Zhang, Y. Sun +7

Reversible and irreversible discontinuities at around 573 K and 823 K in the electric conductivity of a strained 175 nm thin film of (La0.8Sr0.2)0.95Ni0.2Fe0.8O3-δ grown by pulsed…

cond-mat.str-el201127 cited

An electron hole doping and soft x-ray spectroscopy study on La1-xSrxFe0.75Ni0.25O3-δ

Selma Erat, Artur Braun, Alejandro Ovalle +4

The conductivity of the electron hole and polaron conductor La1-xSrxFe0.75Ni0.25O3-δ, a potential cathode material for intermediate temperature solid oxide fuel cells, was studied…