124 citations · 684 across the 29 of their papers we have counts for
29 papers
Evolution of spin excitations in superconducting LaCaCuO from the underdoped to the heavily overdoped regime
S. Hameed, Y. Liu, M. Knauft +8
We investigate high-energy spin excitations in hole-doped LaCaCuO films across a broad Ca doping range using resonant inelastic x-ray scatteri…
Energy and momentum relaxation through the Curie temperature in an itinerant ferromagnet
Rishi Bhandia, Tim Priessnitz, Jiahao Liang +8
In this work, we combine conventional linear response time-domain THz spectroscopy with non-linear THz-pump THz-probe techniques to study metallic strained thin films of $\mathrm{C…
Imprinted atomic displacements drive spin-orbital order in a vanadate perovskite
P. Radhakrishnan, K. S. Rabinovich, A. V. Boris +6
Perovskites with the generic composition ABO exhibit an enormous variety of quantum states such as magnetism, orbital order, ferroelectricity and superconductivity. Their flexi…
Interplay between electronic and lattice superstructures in LaCaCuO
S. Hameed, Y. Liu, K. S. Rabinovich +11
Complex oxides are well known to develop oxygen ordering patterns with well defined periodicities, but their interplay with electronic correlations remains largely unexplored. Here…
Dynamical interplay between superconductivity and charge-density-wave: a nonlinear terahertz study of coherently-driven 2H-NbSe2 and La2-xSrxCuO4
Liwen Feng, Jiayuan Cao, Tim Priessnitz +21
2H-NbSe2 is an archetypal system in which superconductivity and charge-density-wave (CDW) coexist and compete macroscopically with each other. In particular, this interplay also ma…
Coupling of electronic and structural degrees of freedom in vanadate superlattices
P. Radhakrishnan, B. Geisler, K. Fürsich +8
Heterostructuring provides different ways to manipulate the orbital degrees of freedom and to tailor orbital occupations in transition metal oxides. However, the reliable predictio…
Fano interference of the Higgs mode in cuprate high-Tc superconductors
Hao Chu, Sergey Kovalev, Zi Xiao Wang +31
Despite decades of search for the pairing boson in cuprate high-Tc superconductors, its identity still remains debated to date. For this reason, spectroscopic signatures of electro…
Control of the metal-insulator transition in NdNiO thin films through the interplay between structural and electronic properties
Y. E. Suyolcu, K. Fürsich, M. Hepting +10
Heteroepitaxy offers a new type of control mechanism for the crystal structure, the electronic correlations, and thus the functional properties of transition-metal oxides. Here, we…
Approaching two-dimensional superconductivity in ultrathin DyBaCuO
R. D. Dawson, K. S. Rabinovich, D. Putzky +4
The temperature dependence of the superfluid density has been measured for a series of ultrathin MBE-grown DyBaCuO superconducting (SC) films by sub-mm wav…
Inhomogeneous ferromagnetism mimics signatures of the topological Hall effect in SrRuO films
Gideok Kim, K. Son, Y. E. Suyolcu +11
Topological transport phenomena in magnetic materials are a major topic of current condensed matter research. One of the most widely studied phenomena is the ``topological Hall eff…
Imprint of charge and oxygen orders on Dy ions in DyBaCuO thin films probed by resonant x-ray scattering
Davide Betto, Martin Bluschke, Daniel Putzky +8
We used resonant elastic x-ray scattering at the Cu and Dy edges to investigate charge order in thin films of underdoped DyBaCuO (DyBCO) epitaxially gro…
Electronic and vibrational signatures of ruthenium vacancies in SrRuO thin films
Gideok Kim, Y. Eren Suyolcu, J. Herrero-Martin +12
The synthesis of stoichiometric SrRuO thin films has been a challenge because of the high volatility of ruthenium oxide precursors, which gives rise to ruthenium vacancies…
Tunable perpendicular exchange bias in oxide heterostructures
Gideok Kim, Yury Khaydukov, Martin Bluschke +9
The exchange bias effect is an essential component of magnetic memory and spintronic devices. Whereas recent research has shown that anisotropies perpendicular to the device plane…
Selective formation of apical oxygen vacancies in LaSrCuO
Gideok Kim, Georg Christiani, Gennady Logvenov +4
The superconducting properties of high-\tc\ materials are functions of carriers concentration, which is controlled by the concentration of defects including heterovalent cations, i…
Control of dopant crystallinity in electrochemically treated cuprate thin films
Alex Frano, Martin Bluschke, Zhijun Xu +16
We present a methodology based on \textit{ex-situ} (post-growth) electrochemistry to control the oxygen concentration in thin films of the superconducting oxide LaCuO g…
Observation of superconducting current in a mesa-heterostructure with an interlayer of the strontium iridate film with strong spin-orbit interaction
A. M. Petrzhik, K. Y. Constantinian, G. A. Ovsyannikov +5
The superconducting current has been observed in mesa-heterostructures Nb/Au/Sr2IrO4/YBa2Cu3Ox with Sr2IrO4 interlayer thickness d=5 and 7 nm and in-plane sizes L=10-50 mcm. A stro…
Stabilization of three-dimensional charge order in YBaCuO via epitaxial growth
M. Bluschke, A. Frano, E. Schierle +12
Incommensurate charge order (CO) has been identified as the leading competitor of high-temperature superconductivity in all major families of layered copper oxides, but the perplex…
Tailoring the electronic properties of CaRuO via epitaxial strain
C. Dietl, S. K. Sinha, G. Christiani +9
We report the synthesis of CaRuO thin films on NdCaAlO (110), LaAlO (100) and LaSrAlO (001) substrates and show that epitaxial strain induces a transition fro…
Digital modulation of the nickel valence state in a cuprate-nickelate heterostructure
F. Wrobel, B. Geisler, Y. Wang +8
Layer-by-layer oxide molecular beam epitaxy has been used to synthesize cuprate-nickelate multilayer structures of composition (LaCuO)/LaO/(LaNiO). In a combine…
Transfer of magnetic order and anisotropy through epitaxial integration of 3 and 4 spin systems
M. Bluschke, A. Frano, E. Schierle +7
Resonant x-ray scattering at the Dy and Ni absorption edges was used to probe the temperature and magnetic field dependence of magnetic order in epitaxial LaNiO-DyS…
Comparative study of LaNiO/LaAlO heterostructures grown by pulsed laser deposition and oxide molecular beam epitaxy
F. Wrobel, A. F. Mark, G. Christiani +6
Variations in growth conditions associated with different deposition techniques can greatly affect the phase stability and defect structure of complex oxide heterostructures. We sy…
Long-range charge density wave proximity effect at cuprate-manganate interfaces
A. Frano, S. Blanco-Canosa, E. Schierle +13
The interplay between charge density waves (CDWs) and high-temperature superconductivity is currently under intense investigation. Experimental research on this issue is difficult…
Interfacial roughness and proximity effects in superconductor/ferromagnet CuNi/Nb heterostructures
Yu. Khaydukov, R. Morari, O. Soltwedel +6
We report an investigation of the structural and electronic properties of hybrid superconductor/ferromagnet (S/F) bilayers of composition Nb/CuNi prepared by magnetro…
Interrelation of epitaxial strain and oxygen deficiency in La0.7Ca0.3MnO3-δ thin films
K. Kawashima, G. Logvenov, G. Christiani +1
The interrelation between the epitaxial strain and oxygen deficiency in La0.7Ca0.3MnO3-δ thin films was studied in terms of structural and functional properties. The films with a t…