115 citations · 490 across the 20 of their papers we have counts for
21 papers
Nanoscale control over single vortex motion in an unconventional superconductor
Sang Yong Song, Chengyun Hua, Gábor B. Halász +4
To realize braiding of vortex lines and understand the basic properties of the energy landscape for vortex motion, precise manipulation of superconducting vortices on the nanoscale…
Nanoscale imaging of He-ion irradiation effects on amorphous TaO toward electroforming-free neuromorphic functions
Olha Popova, Steven J. Randolph, Sabine M. Neumayer +7
Resistive switching in thin films has been widely studied in a broad range of materials. Yet the mechanisms behind electroresistive switching have been persistently difficult to de…
Atomic scale imaging of sign-changing order parameter in superconducting FeSe with Tunneling Andreev Reflection
Wonhee Ko, Sang Yong Song, Jiaqiang Yan +2
The pairing symmetry of the superconducting order parameter in iron-based superconductors has been a subject of debate, with various models proposing s-wave, d-wave, and mixed comb…
Polarization-controlled volatile ferroelectric and capacitive switching in SnPS
Sabine M. Neumayer, Anton V. Ievlev, Alexander Tselev +4
Smart electronic circuits that support neuromorphic computing on the hardware level necessitate materials with memristive, memcapacitive, and neuromorphic-like functional propertie…
Structures and velocities of noisy ferroelectric domain walls
Nora Bauer, Sabine M. Neumayer, Petro Maksymovych +1
Ferroelectric domain wall motion is fundamental to the switching properties of ferroelectric devices and is influenced by a wide range of factors including spatial disorder within…
Non-contact Andreev reflection as a direct probe of superconductivity on the atomic scale
Wonhee Ko, Jose L. Lado, Petro Maksymovych
Direct detection of superconductivity has long been a key strength of point-contact Andreev reflection. However, its applicability to atomic-scale imaging is limited by the mechani…
Ionic control over ferroelectricity in 2D layered van der Waals capacitors
Sabine M. Neumayer, Mengwei Si, Junkang Li +7
The van der Waals layered material CuInP2S6 features interesting functional behavior, including the existence of four uniaxial polarization states, polarization reversal against th…
Probing phonon softening in ferroelectrics by the scanning probe microwave spectroscopy
Mykola Yelisieiev, Petro Maksymovych, Anna N. Morozovska
Microwave measurements have recently been successfully applied to measure ferroelectric materials on the nanoscale, including detection of polarization switching and ferroelectric…
Atomic-scale analysis of disorder by similarity learning from tunneling spectroscopy
Petro Maksymovych, Jiaqiang Yan, Brian Sales +1
Rapid proliferation of hyperspectral imaging in scanning probe microscopies creates unique opportunities to systematically capture and categorize higher dimensional datasets, towar…
Stress-Induced Phase Transitions in Nanoscale CuInPS
Anna N. Morozovska, Eugene A. Eliseev, Sergei V. Kalinin +2
Using Landau-Ginsburg-Devonshire approach and available experimental results we reconstruct the thermodynamic potential of the layered ferroelectric CuInPS (CIPS), which is…
Compressed Sensing for STM imaging of defects and disorder
Brian E. Lerner, Anayeli Flores-Garibay, Benjamin J. Lawrie +1
Compressed sensing (CS) is a valuable technique for reconstructing measurements in numerous domains. CS has not yet gained widespread adoption in scanning tunneling microscopy (STM…
Statistical detection of Josephson, Andreev, and single quasiparticle currents in scanning tunneling microscopy
Wonhee Ko, Eugene F. Dumitrescu, Petro Maksymovych
We present a method to identify distinct tunneling modes in tunable superconducting tunnel junction composed of superconducting tip and sample in scanning tunneling microscope. Com…
Phenomenological description of bright domain walls in ferroelectric-antiferroelectric layered chalcogenides
Anna N. Morozovska, Eugene A. Eliseev, Kyle Kelley +3
Recently, a layered ferroelectric CuInP2Se6 was shown to exhibit domain walls with locally enhanced piezoresponse - a striking departure from the observations of nominally zero pie…
Nanoscale Interlayer Defects in Iron Arsenides
Qiang Zheng, Miaofang Chi, Maxim Ziatdinov +5
Using a local real-space microscopy probe, we discover evidence of nanoscale interlayer defects along the c-crystallographic direction in BaFe2As2 (122) based iron-arsenide superco…
Room Temperature Electrocaloric Effect in Layered Ferroelectric CuInP2S6 for Solid State Refrigeration
Mengwei Si, Atanu K. Saha, Pai-Ying Liao +10
A material with reversible temperature change capability under an external electric field, known as the electrocaloric effect (ECE), has long been considered as a promising solid-s…
Probing static discharge of polymer surfaces with nanoscale resolution
Nikolay Borodinov, Anton V. Ievlev, Jan-Michael Carrillo +6
Triboelectric charging strongly affects the operation cycle and handling of materials and can be used to harvest mechanical energy through triboelectric nanogenerator set-up. Despi…
Analytical description of domain morphology and phase diagrams of ferroelectric nanoparticles
Anna N. Morozovska, Yevhen M. Fomichov, Petro Maksymovych +2
Analytical description of domain structure morphology and phase diagrams of ferroelectric nanoparticles is developed in the framework of Landau Ginzburg Devonshire approach. To mod…
Giant negative electrostriction and dielectric tunability in a van der Waals layered ferroelectric
Sabine M. Neumayer, Eugene A. Eliseev, Michael A. Susner +11
The interest in ferroelectric van der Waals crystals arises from the potential to realize ultrathin ferroic systems owing to the reduced surface energy of these materials and the l…
Deep data mining in a real space: Separation of intertwined electronic responses in a lightly-doped BaFe2As2
Maxim Ziatdinov, Artem Maksov, Li Li +3
Electronic interactions present in material compositions close to the superconducting dome play a key role in the manifestation of high-Tc superconductivity. In many correlated ele…
Switchable friction enabled by nanoscale self-assembly on graphene
Patrick Gallagher, Menyoung Lee, Francois Amet +8
Graphene monolayers are known to display domains of anisotropic friction with twofold symmetry and anisotropy exceeding 200 percent. This anisotropy has been thought to originate f…
Finite size and intrinsic field effect on the polar-active properties of the ferroelectric-semiconductor heterostructures
A. N. Morozovska, E. A. Eliseev, S. V. Svechnikov +4
Using Landau-Ginzburg-Devonshire approach we calculated the equilibrium distributions of electric field, polarization and space charge in the ferroelectric-semiconductor heterostru…