Krisztián Palotás
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Research Highlights:
Calculation of tunneling spin transport vectors in high-resolution spin-polarized scanning tunneling microscopy: Theory, Néel and Bloch skyrmions
Complex magnetic states are tunable by hydrogen exposure
Surface defects are responsible for starting points of structural decomposition of perovskites
Microscopic origin of chiral shape induction in achiral crystals
Chen's derivative rule extended for tip-orbital interference effects in scanning tunneling microscopy
What is the orientation of the tip in a scanning tunneling microscope?
Magnetic skyrmions with tunable properties
Surface patterning: fullerenes line up
EU COST Action MP1306: EUSpec: Modern Tools for Spectroscopy on Advanced Materials
Research interests:

Physics/Chemistry:
-Ab initio electronic structure calculations (DFT)
-Magnetic surfaces and nanostructures, topological magnetic objects (skyrmions)
-2D materials, new materials for various applications
-Supported molecular nanostructures
-Development of theoretical electron charge/spin transport methods based on first principles, and simulations in the tunneling and ballistic regime

3D-WKB-STM code: Available upon request! (email) Overview
Review on the 3D-WKB-STM method: Frontiers of Physics 9, 711-747 (2014)
Theory: 3D-WKB
Interface: All DFT codes (atom-projected DOS)
Calculation modes: STM, STS, 3D current and dI/dV maps, 2D constant height maps, 2D constant current maps, 1D line scans, single point dI/dV spectra, orbital-dependence/independence, arbitrary tip geometrical orientation, local work function-dependence, spin-polarization, arbitrary tip magnetization orientation, non-collinear magnetic surfaces

BSKAN code: Available upon request! (email) BSKAN guide version 3.6
Theories: Tersoff-Hamann, Chen's derivative rule, Bardeen, multiple scattering
Interface: VASP
Calculation modes: STM, STS, 3D current and dI/dV maps, 2D constant height maps, 2D constant current maps, 1D line scans, single point dI/dV spectra, spin-polarization, arbitrary tip geometrical orientation (Chen), tip-orbital interference (Chen)


Simulated STM image of a Cr monolayer on Au(111) using the 3D-WKB-STM code. The magnetic structure is non-collinear, red arrows indicate Cr atomic magnetic moments, white arrows show magnetization direction of the STM tip.

Finance:
Corporate governance effects on corporate performance modeled by using artificial neural networks
Last modified: 25 Apr 2018