197 citations · 956 across the 27 of their papers we have counts for
28 papers
Microscopic Scattering Approach to In-Gap States: Cr Adatoms on Superconducting β-Bi2Pd
Joseph Sink, Hari Paudyal, Divya Jyoti +4
We develop a microscopic scattering formalism to describe Yu-Shiba-Rusinov (YSR) states due to a single Cr adatom on the Bi-terminated surface of , by combining ab initio…
Electron spin resonance with scanning tunneling microscopy: a tool for an on-surface quantum platform of identical qubits
Deung-Jang Choi, Soo-hyon Phark, Andreas J. Heinrich +1
Integration of electron spin resonance (ESR) in a scanning tunneling microscope (STM) has enabled an all-electrical control of atomic and molecular spins on solid surfaces with ato…
Unraveling spin entanglement using quantum gates with scanning tunneling microscopy-driven electron spin resonance
Eric D. Switzer, Jose Reina-Gálvez, Géza Giedke +4
Quantum entanglement is a fundamental resource for quantum information processing, and its controlled generation and detection remain key challenges in scalable quantum architectur…
One dimensional chains of nickelocene fragments on Au(111)
Divya Jyoti, Alex Fétida, Laurent Limot +3
We investigate the temperature-dependent deposition of nickelocene (NiCp) molecules on a single crystal Au(111) substrate, revealing distinct adsorption behaviors and structura…
Multi-Orbital Interactions and Spin Polarization in Single Rare-Earth Adatoms
Massine Kelai, Stefano Reale, Roberto Robles +10
Surface-adsorbed rare-earth nanostructures are ideal platforms to investigate the interplay between intra-atomic interactions and multi-orbital spin configurations. However, addres…
In-gap states induced by magnetic impurities on wide-band s-wave superconductors: self-consistent calculations
Divya Jyoti, Deung-Jang Choi, Nicolas Lorente
The role of self-consistency in Bogoliubov-de Gennes equations is frequently underestimated in the investigation of in-gap states created by magnetic impurities in s-wave supercond…
Two molecular devices for superconducting spintronics
Cristina Mier, Alex Fétida, Roberto Robles +5
We create two molecular devices with superconducting junctions, using nickelocene molecules, single Fe atoms, and Pb electrodes at low temperature. We find contrasting behavior bas…
Moiré dispersion of edge states in spin chains on superconductors
Cristina Mier, Deung-Jang Choi, Nicolás Lorente
Our calculations of ferromagnetic spin chains on s-wave superconductors show that the energy oscillations of edge states with the chain's length are due to a moiré pattern emerging…
Calculations of in-gap states of ferromagnetic spin chains on \textit{s}-wave wide-band superconductors
Cristina Mier, deung-Jang Choi, Nicolás Lorente
Magnetic impurities create in-gap states on superconductors. Recent experiments explore the topological properties of one-dimensional arrays of magnetic impurities on superconducto…
An electron-spin qubit platform assembled atom-by-atom on a surface
Yu Wang, Yi Chen, Hong T. Bui +9
Creating a quantum-coherent architecture at the atomic scale has long been an ambition in quantum science and nanotechnology. This ultimate length scale requires the use of fundame…
Atomic Manipulation of In-gap States on the -BiPd Superconductor
Cristina Mier, Jiyoon Hwang, Jinkyung Kim +7
Electronic states in the gap of a superconductor inherit intriguing many-body properties from the superconductor. Here, we create these in-gap states by manipulating Cr atomic chai…
Spin Resonance Amplitude and Frequency of a Single Atom on a Surface in a Vector Magnetic Field
Jinkyung Kim, Won-jun Jang, Thi Hong Bui +9
We used electron spin resonance (ESR) combined with scanning tunneling microscopy (STM) to measure hydrogenated Ti (spin-1/2) atoms at low-symmetry binding sites on MgO in vector m…
Molecular templates of spin textures on superconducting surfaces
Cristina Mier, Benjamin Verlhac, Léo Garnier +4
We create ordered islands of magnetically anisotropic nickelocene molecules on a Pb (111) substrate. By using inelastic electron tunneling spectra (IETS) and density functional the…
Vibron-assisted spin excitation in a magnetically anisotropic nickelocene complex
N. Bachellier, B. Verlhac, L. Garnier +9
The ability to electrically-drive spin excitations in molecules with magnetic anisotropy is key for high-density storage and quantum-information technology. Electrons, however, als…
Colloquium: Atomic spin chains on surfaces
Deung-Jang Choi, Nicolas Lorente, Jens Wiebe +3
In the present Colloquium, we focus on the properties of 1-D magnetic systems on solid surfaces. From the emulation of 1-D quantum phases to the potential realization of Majorana e…
Visualization of multifractal superconductivity in a two-dimensional transition metal dichalcogenide in the weak-disorder regime
Carmen Rubio-Verdú, Antonio M. García-García, Hyejin Ryu +8
Eigenstate multifractality is a distinctive feature of non-interacting disordered metals close to a metal-insulator transition, whose properties are expected to extend to supercond…
Single Spin Localization and Manipulation in Graphene Open-Shell Nanostructures
Jingcheng Li, Sofia Sanz, Martina Corso +4
Predictions state that graphene can spontaneously develop magnetism from the Coulomb repulsion of its -electrons, but its experimental verification has been a challenge. Here, w…
Probing magnetic interactions between Cr adatoms on the -BiPd superconductor
Deung-Jang Choi, Carlos García Fernández, Edwin Herrera +6
We show that the magnetic ordering of coupled atomic dimers on a superconductor is revealed by their intra-gap spectral features. Chromium atoms on the superconductor -BiPd…
Orbital-selective spin excitation of a magnetic porphyrin
Carmen Rubio-Verdú, Ane Sarasola, Deung-Jang Choi +7
Scattering of electrons by localized spins is the ultimate process enabling electrical detection and control of the magnetic state of a spin-doped material. At the molecular scale,…
From tunneling to contact in a magnetic atom: the non-equilibrium Kondo effect
Deung-Jang Choi, Paula Abufager, Laurent Limot +1
A low-temperature scanning tunneling microscope was employed to study the differential conductance in an atomic junction formed by an adsorbed Co atom on a Cu(100) surface and a co…
Kondo resonance of a Co atom exchange coupled to a ferromagnetic tip
D. -J. Choi, S. Guissart, M. Ormaza +4
The Kondo effect of a Co atom on Cu(100) was investigated with a low-temperature scanning tunneling microscope using a monoatomically sharp nickel tip. Upon a tip-Co contact, the d…
Mapping the orbital structure of impurity bound states in a superconductor
Deung-Jang Choi, Carmen Rubio-Verdú, Joeri de Bruijckere +3
A magnetic atomic impurity inside a superconductor locally distorts superconductivity. They scatter Cooper pairs as a potential with broken time-reversal symmetry, what leads to lo…
Structural and magnetic properties of FeMn (1...6) chains supported on CuN / Cu (100)
Deung-Jang Choi, Roberto Robles, Jean-Pierre Gauyacq +3
Heterogeneous atomic magnetic chains are built by atom manipulation on a CuN/Cu (100) substrate. Their magnetic properties are studied and rationalized by a combined scanning t…
Electronic structure of atomic manganese chains supported on CuN / Cu (100)
Deung-Jang Choi, Roberto Robles, Jean-Pierre Gauyacq +3
Scanning tunnelling microscopy and density functional theory studies of manganese chains adsorbed on CuN/Cu (100) reveal an unsuspected electronic edge state at eV abo…