139 citations · 1.2k across the 38 of their papers we have counts for
39 papers
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…
Non-volatile multi-state electrothermal resistive switching in a strongly correlated insulator thin-film device
Farnaz Tahouni-Bonab, Matthias Hepting, Theodor Luibrand +7
Strongly correlated insulators, such as Mott or charge-transfer insulators, exhibit a strong temperature dependence in their resistivity. Consequently, self-heating effects can lea…
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…
Tracing the dynamics of superconducting order via transient third harmonic generation
Min-Jae Kim, Sergey Kovalev, Mattia Udina +13
Ultrafast optical control of quantum systems is an emerging field of physics. In particular, the possibility of light-driven superconductivity with ultrashort laser pulses has attr…
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…
Intense terahertz radiation via the transverse thermoelectric effect
Petar Yordanov, Tim Priessnitz, Min-Jae Kim +4
Terahertz (THz) radiation is a powerful tool with widespread applications ranging from imaging, sensing, and broadband communications to spectroscopy and nonlinear control of mater…
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…
A superlattice approach to doping infinite-layer nickelates
R. A. Ortiz, H. Menke, F. Misják +8
The recent observation of superconductivity in infinite-layer NdSrNiO thin films has attracted a lot of attention, since this compound is electronically and structu…
Homogeneous superconducting gap in DBCO synthesized by oxide molecular beam epitaxy
Ze-Bin Wu, Daniel Putzky, Asish K. Kundu +12
Much of what is known about high-temperature cuprate superconductors stems from studies based on two surface analytical tools, angle-resolved photoemission spectroscopy (ARPES) and…
All-Optical and Microwave-Free Detection of Meissner Screening using Nitrogen-Vacancy Centers in Diamond
D. Paone, D. Pinto, G. Kim +9
Microscopic studies on thin film superconductors play an important role for probing non-equilibrium phase transitions and revealing dynamics at the nanoscale. However, magnetic sen…
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…
Spin splitting and strain in epitaxial monolayer WSe on graphene
H. Nakamura, A. Mohammed, P. Rosenzweig +14
We present the electronic and structural properties of monolayer WSe grown by pulsed-laser deposition on monolayer graphene (MLG) on SiC. The spin splitting in the WSe…
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…
Local Metallic and Structural Properties of the Strongly Correlated Metal LaNiO using Li -NMR
Victoria L. Karner, Aris Chatzichristos, David L. Cortie +19
We report -detected NMR of ion-implanted Li in a single crystal and thin film of the strongly correlated metal LaNiO. In both samples, spin-lattice relaxation measur…
Complex magnetic order in nickelate slabs
Matthias Hepting, Robert J. Green, Zhicheng Zhong +18
Magnetic ordering phenomena have a profound influence on the macroscopic properties of correlated-electron materials, but their realistic prediction remains a formidable challenge.…
Resonant inelastic x-ray scattering study of bond order and spin excitations in nickelate thin-film structures
K. Fürsich, Y. Lu, D. Betto +13
We used high-resolution resonant inelastic x-ray scattering (RIXS) at the Ni edge to simultaneously investigate high-energy interband transitions characteristic of Ni-O bond…
Phase-resolved Higgs response in superconducting cuprates
Hao Chu, Min-Jae Kim, Kota Katsumi +26
In high energy physics, the Higgs field couples to gauge bosons and fermions and gives mass to their elementary excitations. Experimentally, such couplings can be inferred from the…