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10 papers · 2 filters
Quasi-free Standing Epitaxial Graphene on SiC by Hydrogen Intercalation
C. Riedl, C. Coletti, T. Iwasaki +2
Quasi-free standing epitaxial graphene is obtained on SiC(0001) by hydrogen intercalation. The hydrogen moves between the 6root3 reconstructed initial carbon layer and the SiC subs…
Analysis of strain and stacking faults in single nanowires using Bragg coherent diffraction imaging
V. Favre-Nicolin, F. Mastropietro, J. Eymery +10
Coherent diffraction imaging (CDI) on Bragg reflections is a promising technique for the study of three-dimensional (3D) composition and strain fields in nanostructures, which can…
Induced magnetism of carbon atoms at the graphene/Ni(111) interface
M. Weser, Y. Rehder, Yu. S. Dedkov +5
We report an element-specific investigation of electronic and magnetic properties of the graphene/Ni(111) system. Using magnetic circular dichroism, the occurrence of an induced ma…
Electron spectroscopic studies of nanowires formed by (GaMn)As growth on GaAs(111)B
J. Adell, I. Ulfat, J. Sadowski +2
Valence band photoemission with photon energies around the Mn2p excitation threshold has been used to study the development of nanowires catalyzed by MnAs particles. A gradual chan…
Using neutron spin-echo to investigate proton dynamics in proton-conducting perovskites
Maths Karlsson, Dennis Engberg, Mårten E. Björketun +9
We demonstrate the applicability of studying the proton dynamics in proton-conducting perovskites using neutron spin-echo spectroscopy, a powerful method hitherto neglected for stu…
A new material for hydrogen storage, ScAl0.8Mg0.2
Martin Sahlberg, Premysl Beran, Thomas Kollin Nielsen +6
A novel aluminium rich alloy for hydrogen storage has been discovered, ScAl0.8Mg0.2, which has superior properties regarding hydrogen storage capacity, kinetics and stability towar…