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Tunable Charge and Spin Order in PrNiO Thin Films and Superlattices
M. Hepting, M. Minola, A. Frano +10
We have used polarized Raman scattering to probe lattice vibrations and charge ordering in 12 nm thick, epitaxially strained PrNiO films, and in superlattices of PrNiO with…
Pressure-induced phase transition and superconductivity in YBa2Cu4O8
S. M. Souliou, A. Subedi, Y. T. Song +4
We investigate the pressure and temperature dependence of the lattice dynamics of the underdoped, stoichiometric, high temperature superconductor YBa2Cu4O8 by means of Raman spectr…
The simultaneous measurement of energy and linear polarization of the scattered radiation in resonant inelastic soft x-ray scattering
L. Braicovich, M. Minola, G. Dellea +8
Resonant Inelastic X-ray Scattering (RIXS) in the soft x-ray range is an element-specific energy-loss spectroscopy used to probe the electronic and magnetic excitations in strongly…
Resonant X-ray Scattering Study of Charge Density Wave Correlations in YBaCuO
S. Blanco-Canosa, A. Frano, E. Schierle +7
We report the results a comprehensive study of charge density wave (CDW) correlations in untwinned YBCO6+x single crystals with 0.4<x<0.99 using Cu-L3 edge resonant x-ray scatterin…
Structural and electronic properties of epitaxial YBaCuO/LaCaMnO bilayers grown on SrTiO (110) substrates
L. Mustafa, N. Driza, S. Soltan M. Le Tacon +2
Epitaxial bilayers of the high-temperature-superconductor YBa2Cu3O7-d (YBCO) and the ferromagnetic metal La0.67Ca0.33MnO3 (LCMO) were prepared by pulsed laser deposition on (110)-o…
Superconductivity-induced Phonon Renormalization on NaFeCoAs
Y. J. Um, Yunkyu Bang, B. H. Min +2
We report a study of the lattice dynamics in superconducting NaFeAs (Tc = 8 K) and doped NaFe0.97Co0.03As (Tc = 20 K) using Raman light scattering. Five of the six phonon modes exp…
Charge order driven by Fermi-arc instability in Bi2201
R. Comin, A. Frano, M. M. Yee +14
The understanding of the origin of superconductivity in cuprates has been hindered by the apparent diversity of intertwining electronic orders in these materials. We combined reson…
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…