489 citations · 1.3k across the 21 of their papers we have counts for
22 papers
Negative charging energy in LaAlO/SrTiO quantum dots induced by SrTiO polarization
J. Czarnecki, A. Sierant, B. Szafran +12
We propose a microscopic mechanism for the negative charging energy in LaAlO/SrTiO quantum dots, arising from the electrostatic image charge associated with the paraelectri…
The influence of phonon symmetry and electronic structure on the electron-phonon coupling momentum dependence in cuprates
Maryia Zinouyeva, Rolf Heid, Giacomo Merzoni +16
The experimental determination of the magnitude and momentum dependence of electron-phonon coupling (EPC) is an outstanding problem in condensed matter physics. The intensity of ph…
Gate-tunable negative differential resistance in multifunctional van der Waals heterostructure
Richa Mitra, Konstantina Iordanidou, Naveen Shetty +7
Two-dimensional (2D) semiconductors have emerged as exciting candidates for the development of low-power and multifunctional computing applications, thanks to their qualities such…
Stoichiometric control of electron mobility and 2D superconductivity at LaAlO-SrTiO interfaces
Gyanendra Singh, Roger Guzman, Guilhem Saïz +9
SrTiO-based conducting interfaces, which exhibit coexistence of gate-tunable 2D superconductivity and strong Rashba spin-orbit coupling (RSOC), are candidates to host topologic…
Integration of High-Tc Superconductors with High Q Factor Oxide Mechanical Resonators
Nicola Manca, Alexei Kalaboukhov, Alejandro E. Plaza +6
Micro-mechanical resonators are building blocks of a variety of applications in basic science and applied electronics. This device technology is mainly based on well-established an…
Strong in-plane magnetic anisotropy (Co0.15Fe0.85)5GeTe2/graphene van der Waals heterostructure spin-valve at room temperature
Roselle Ngaloy, Bing Zhao, Soheil Ershadrad +9
Van der Waals (vdW) magnets are promising owing to their tunable magnetic properties with doping or alloy composition, where the strength of magnetic interactions, their symmetry,…
Strain, Young's modulus, and structural transition of EuTiO3 thin films probed by micro-mechanical methods
Nicola Manca, Gaia Tarsi, Alexei Kalaboukhov +5
EuTiO3 (ETO) is a well-known complex oxide mainly investigated for its magnetic properties and its incipient ferro-electricity. In this work, we demonstrate the realization of susp…
Tuning the ground state of cuprate high-critical-temperature superconducting thin films by nanofaceted substrates
G. Mirarchi, R. Arpaia, E. Wahlberg +7
Anisotropic transport properties have been assessed in a number of cuprate superconductors, providing evidence for a nematic state. Here, we analyze recent experimental data for ul…
A room-temperature moiré interlayer exciton laser
Qiaoling Lin, Hanlin Fang, Yuanda Liu +10
Moiré superlattices in van der Waals heterostructures offer highly tunable quantum systems with emergent electronic and excitonic properties such as superconductivity, topological…
Gate-tunable hallmarks of unconventional superconductivity in non-centrosymmetric nanowires
Gyanendra Singh, Claudio Guarcello, Edouard Lesne +8
Two dimensional SrTiO3-based interfaces stand out among non-centrosymmetric superconductors due to their intricate interplay of gate tunable Rashba spin-orbit coupling and multi-or…
Magnetism and Ion Diffusion in Honeycomb Layered Oxide KNiTeO: First Time Study by Muon Spin Rotation & Neutron Scattering
N. Matsubara, E. Nocerino, O. K. Forslund +13
In the quest of finding novel and efficient batteries, a great interest has raised in K-based honeycomb layer oxide materials both for their fundamental properties and potential ap…
Properties of Grooved Dayem Bridge based YBaCuO Superconducting Quantum Interference Devices and Magnetometers
E. Trabaldo, S. Ruffieux, E. Andersson +7
The transport properties of a YBaCuO superconducting quantum interference device (SQUID) based on grooved Dayem bridge weak links are studied as a function of tempe…
The role of kinetic inductance on the performance of YBCO SQUID magnetometers
S. Ruffieux, A. Kalaboukhov, M. Xie +5
Inductance is a key parameter when optimizing the performance of superconducting quantum interference device (SQUID) magnetometers made from the high temperature superconductor YBa…
SQUID magnetometer based on Grooved Dayem nanobridges and a flux transformer
Edoardo Trabaldo, Christoph Pfeiffer, Eric Andersson +5
We report noise measurements performed on a SQUID magnetometer implementing Grooved Dayem nanobridge of YBCO as weak-links. The SQUID shows magnetic flux noise as low as 10 /…
Untwinned YBaCuO thin films on MgO substrates: a platform to study strain effects on the local orders in cuprates
Riccardo Arpaia, Eric Andersson, Alexei Kalaboukhov +7
We have grown untwinned YBaCuO (YBCO) films on (110) MgO substrates that were pre-annealed at high temperature in oxygen atmosphere. The annealing results in surfac…
Grooved Dayem nanobridges as building blocks of high-performance YBaCuO SQUID magnetometers
Edoardo Trabaldo, Christoph Pfeiffer, Eric Andersson +5
We present noise measurements performed on a YBaCuO nanoscale weak-link-based magnetometer consisting of a Superconducting QUantum Interference Device (SQUID) galva…
Magnetic field sensing with the kinetic inductance of a high- superconductor
V. Vesterinen, S. Ruffieux, A. Kalabukhov +5
We carry out an experimental feasibility study of a magnetic field sensor based on the kinetic inductance of the high- superconductor yttrium barium copper oxide. We…
Induced unconventional superconductivity on the surface states of BiTe topological insulator
Sophie Charpentier, Luca Galletti, Gunta Kunakova +11
Topological superconductivity is central to a variety of novel phenomena involving the interplay between topologically ordered phases and broken-symmetry states. The key ingredient…
Infrared study of the quasi-two-dimensional electron system at the interface between SrTiO and crystalline or amorphous LaAlO
A. Nucara, M. Corasaniti, A. Kalaboukhov +9
We have used grazing-angle infrared spectroscopy to detect the Berreman effect (BE) in the quasi-two-dimensional electron system (q-2DES) which forms spontaneously at the interface…
Evidence for spin-triplet superconducting correlations in metal-oxide heterostructures with non-collinear magnetization
Yu. N. Khaydukov, G. A. Ovsyannikov, A. E. Sheyerman +9
Heterostructures composed of ferromagnetic La0.7Sr0.3MnO3, ferromagnetic SrRuO3, and superconducting YBa2Cu3Ox were studied experimentally. Structures of composition Au/La0.7Sr0.3M…
Quantum Resistance Standard Based on Epitaxial Graphene
Alexander Tzalenchuk, Samuel Lara-Avila, Alexei Kalaboukhov +7
We report development of a quantum Hall resistance standard accurate to a few parts in a billion at 300 mK and based on large area epitaxial graphene. The remarkable precision cons…
SiC Graphene Suitable For Quantum Hall Resistance Metrology
Samuel Lara-Avila, Alexei Kalaboukhov, Sara Paolillo +5
We report the first observation of the quantum Hall effect in epitaxial graphene. The result described in the submitted manuscript fills the yawning gap in the understanding of the…