465 citations · 1.7k across the 18 of their papers we have counts for
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Direct observation of Jahn-Teller critical dynamics at a charge-order Verwey transition
Vinícius Pascotto Gastaldo, Mala N. Rao, Alexey Bosak +10
By means of diffuse and inelastic x-ray scattering (DS,IXS), we probe directly the charge-ordering (CO) dynamics in the Verwey system (NaMn)MnO, where a peculiar qua…
Short-Range Correlations in Magnetite above the Verwey Temperature
Alexey Bosak, Dmitry Chernyshov, Moritz Hoesch +6
Magnetite, FeO, is the first magnetic material discovered and utilized by mankind in Ancient Greece, yet it still attracts attention due to its puzzling properties. This is…
Anharmonicity due to Electron-Phonon Coupling in Magnetite
Moritz Hoesch, Przemyslaw Piekarz, Alexey Bosak +5
We present the results of inelastic x-ray scattering for magnetite and analyze the energies and spectral widths of the phonon modes with different symmetries in a broad range of te…
Inelastic X-ray Scattering Study of superconducting SmFeAs(OF) Single Crystals: Evidence for Strong Momentum-Dependent Doping-Induced Renormalizations of Optical Phonons
M. Le Tacon, T. R. Forrest, Ch. Rüegg +10
We report inelastic x-ray scattering experiments on the lattice dynamics in SmFeAsO and superconducting SmFeAsOF single crystals. Particular attention was paid to…
Phonon surface mapping of graphite: disentangling quasi--degenerate phonon dispersions
A. Grüneis, J. Serrano, A. Bosak +8
The two-dimensional mapping of the phonon dispersions around the point of graphite by inelastic x-ray scattering is provided. The present work resolves the longstanding issue r…
Giant Kohn anomaly and the phase transition in charge density wave ZrTe_3
Moritz Hoesch, Alexey Bosak, Dmitry Chernyshov +2
A strong Kohn anomaly in ZrTe_3 is identified in the mostly transverse acoustic phonon branch along the modulation vector q_P with polarization along the a* direction. This soft mo…