Electronic structure of the YH3 phase from angle-resolved photoemission spectroscopy.
Yttrium can be loaded with hydrogen up to high concentrations causing dramatic structural and electronic changes of the host lattice. We report on angle-resolved photoemission experiments of the Y trihydride phase. Most importantly, we find the absence of metal d bands at the Fermi level and a set of flat, H-induced bands located at much higher binding energy than predicted, indicating an increased electron affinity at H sites.
Hayoz
J
J
Département de Physique, Université de Fribourg, Pérolles, CH-1700 Fribourg, Switzerland.
Koitzsch
C
C
Bovet
M
M
Naumović
D
D
Schlapbach
L
L
Aebi
P
P