Robert Laskowski
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View article: Equilibrium Energy and Entropy of Vortex Filaments in the Context of Tornadogenesis and Tornadic Flows
Equilibrium Energy and Entropy of Vortex Filaments in the Context of Tornadogenesis and Tornadic Flows Open
In this work, we study approximations of supercritical or suction vortices in tornadic flows and their contribution to tornadogenesis and tornado maintenance using self-avoiding walks on a cubic lattice. We extend the previous work on turb…
View article: Development of a surrogate model for high-fidelity laser powder-bed fusion using tensor train and gaussian process regression
Development of a surrogate model for high-fidelity laser powder-bed fusion using tensor train and gaussian process regression Open
A multi-physics high-fidelity computational model is required to study the melting and grain growth phenomena in a laser powder-bed fusion (LPBF) additive manufacturing process. The major challenge with the high-fidelity model is long comp…
View article: Oxygen Octahedral Tilt Controlled Topological Hall Effect in Epitaxial and Freestanding SrRuO3/SrIrO3 Heterostructures
Oxygen Octahedral Tilt Controlled Topological Hall Effect in Epitaxial and Freestanding SrRuO3/SrIrO3 Heterostructures Open
The fabrication technique of freestanding oxide flakes by epitaxial lift-off has made significant contributions to the multifunctional oxide thin film research. Several highly impactful work have recently demonstrated the robustness of fre…
View article: Equilibrium Energy and Entropy of Vortex Filaments on a Cubic Lattice: A Localized Transformations Algorithm
Equilibrium Energy and Entropy of Vortex Filaments on a Cubic Lattice: A Localized Transformations Algorithm Open
In this work we propose a new algorithm for the computation of statistical equilibrium quantities on a cubic lattice when both an energy and a statistical temperature are involved. We demonstrate that the pivot algorithm used in situations…
View article: Equilibrium Energy and Entropy of Vortex Filaments on a Cubic Lattice: A\n Localized Transformations Algorithm
Equilibrium Energy and Entropy of Vortex Filaments on a Cubic Lattice: A\n Localized Transformations Algorithm Open
In this work we propose a new algorithm for the computation of statistical\nequilibrium quantities on a cubic lattice when both an energy and a statistical\ntemperature are involved. We demonstrate that the pivot algorithm used in\nsituati…
View article: Tailoring Magnetism in Self-intercalated Cr1+δTe2 Epitaxial Films
Tailoring Magnetism in Self-intercalated Cr1+δTe2 Epitaxial Films Open
Magnetic transition metal dichalcogenide (TMD) films have recently emerged as promising candidates to host novel magnetic phases relevant to next-generation spintronic devices. However, systematic control of the magnetization orientation, …
View article: Phase field simulation of α/β microstructure in titanium alloy welds
Phase field simulation of α/β microstructure in titanium alloy welds Open
The microstructure formation during transformation in heat affected zone of titanium alloy welds is studied using an approach combining a phase field solid-solid transformation model with a heat transfer finite element method (FEM). …
View article: WIEN2k: An APW+lo program for calculating the properties of solids
WIEN2k: An APW+lo program for calculating the properties of solids Open
The WIEN2k program is based on the augmented plane wave plus local orbitals (APW+lo) method to solve the Kohn–Sham equations of density functional theory. The APW+lo method, which considers all electrons (core and valence) self-consistentl…
View article: Investigation of the Optical and Excitonic Properties of the Visible Light-Driven Photocatalytic BiVO<sub>4</sub> Material
Investigation of the Optical and Excitonic Properties of the Visible Light-Driven Photocatalytic BiVO<sub>4</sub> Material Open
An investigation of the optical and excitonic properties of photocatalytic compounds based on both experimental and theoretical approaches is proposed. More specifically, this paper reports, for the first time, the local-field, optical ani…
View article: Interface-mediated ferroelectric patterning and Mn valency in nano-structured PbTiO3/La0.7Sr0.3MnO3
Interface-mediated ferroelectric patterning and Mn valency in nano-structured PbTiO3/La0.7Sr0.3MnO3 Open
We employed a multitechnique approach using piezo-force response microscopy and photoemission microscopy to investigate a self-organizing polarization domain pattern in PbTiO3/La0.7Sr0.3MnO3 (PTO/LSMO) nanostructures. The polarization is c…
View article: NMR Shielding in Metals Using the Augmented Plane Wave Method
NMR Shielding in Metals Using the Augmented Plane Wave Method Open
We present calculations of solid state NMR magnetic shielding in metals, which includes both the orbital and the complete spin response of the system in a consistent way. The latter contains an induced spin-polarization of the core states …