236 citations · 944 across the 17 of their papers we have counts for
17 papers
Valence modulations in CeRuSn
R. Feyerherm, E. Dudzik, K. Prokes +3
CeRuSn exhibits an extraordinary room temperature structure at 300~K with coexistence of two types of Ce ions, namely trivalent Ce and intermediate valent Ce, in…
Magnetic frustration, phase competition and the magneto-electric effect in NdFe3(BO3)4
J. E. Hamann-Borrero, S. Partzsch, S. Valencia +9
We present an element selective resonant magnetic x-ray scattering study of NdFe3(BO3)4 as a function of temperature and applied magnetic field. Our measurements show that the magn…
Complex charge ordering in CeRuSn
R. Feyerherm, E. Dudzik, S. Valencia +4
At ambient temperatures, CeRuSn exhibits an extraordinary structure with a coexistence of two types of Ce ions in a metallic environment, namely trivalent Ce3+ and intermediate val…
Valence change of praseodymium in Pr0.5Ca0.5CoO3 investigated by x-ray absorption spectroscopy
J. Herrero-Martín, J. L. García-Muñoz, S. Valencia +8
X-ray absorption spectroscopy measurements in Pr0.5Ca0.5CoO3 were performed at the Pr M4,5, Pr L3, and Ca L2,3 absorption edges as a function of temperature below 300 K. Ca spectra…
Observation of a valence transition in (Pr,Ca)CoO3 cobaltites: charge migration at the metal-insulator transition
José Luis García-Muñoz, Carlos Frontera, Aura J. Barón-González +6
X-ray absorption spectroscopy measurements in Pr0.5Ca0.5CoO3 and (Pr,Y)0.55Ca0.45CoO3 compositions reveal that the valence of praseodymium ions is stable and essentially +3 (Pr [4f…
Transition from a phase-segregated state to single-phase incommensurate sodium ordering in Na_xCoO_2 with x \approx 0.53
R. Feyerherm, E. Dudzik, S. Valencia +5
Synchrotron X-ray diffraction investigations of two single crystals of Na_xCoO_2 from different batches with composition x = 0.525-0.530 reveal homogeneous incommensurate sodium or…