57 citations · 643 across the 43 of their papers we have counts for
43 papers
Influence of Structural Defects on Charge Density Waves in 1T-TaS2
I. Lutsyk, K. Szalowski, P. Krukowski +22
The influence of intrinsic defects of 1T-TaS2 on charge density waves (CDW) is studied using scanning tunneling microscopy and spectroscopy (STM, STS), angle-resolved photoelectron…
Spin-orbit and exchange proximity couplings in graphene/1T-TaS heterostructure triggered by a charge density wave
Karol Szałowski, Marko Milivojević, Denis Kochan +1
Proximity-induced fine features and spin-textures of the electronic bands in graphene-based van der Waals heterostructures can be explored from the point of tailoring a twist angle…
Two-spin and multi-spin quantum entanglement in V12 polyoxovanadate molecular nanomagnet
K. Szałowski
The paper reports a computational study of the quantum entanglement in V12 cluster molecular magnet. The low-temperature properties of the system are modelled with anisotropic quan…
Magnetocaloric and electrocaloric properties of the Hubbard pair cluster
K. Szałowski, T. Balcerzak
The paper contains the discussion of the magnetocaloric and electrocaloric effect in a model dimer (pair cluster). The system of interest is modelled with a Hubbard Hamiltonian inc…
The Pair Approximation method for the ferromagnetic Heisenberg model with spin and arbitrary range of interactions. Application for the magnetic semiconductor CrIAs
T. Balcerzak, K. Szałowski
The Pair Approximation method has been formulated for the isotropic ferromagnetic Heisenberg model with spin . The exchange interactions of arbitrary range have been taken int…
Thermodynamic properties of the one-dimensional Ising model with magnetoelastic interaction
T. Balcerzak, K. Szałowski, M. Jaščur
The Ising one-dimensional (1D) chain with spin and magnetoelastic interactions is studied with the lattice contribution included in the form of elastic interaction and ther…
Magnetocaloric properties of V6 molecular magnet
P. Kowalewska, K. Szałowski
The paper presents a theoretical study of magnetocaloric properties of polyoxovanadate molecular magnet V6 containing 6 vanadium ions carrying quantum spins . The characte…
Hubbard pair cluster with elastic interactions. Studies of thermal expansion, magnetostriction and electrostriction
T. Balcerzak, K. Szałowski
The pair cluster (dimer) is studied within the framework of the extended Hubbard model and the grand canonical ensemble. The elastic interatomic interactions and thermal vibrationa…
Spin-glass-like ordering in a frustrated Ising antiferromagnet on a honeycomb lattice
M. Žukovič, M. Borovský, A. Bobák +2
We study the nature of a low-temperature phase in the frustrated honeycomb-lattice Ising model with first- and second-neighbor antiferromagnetic (AF) interactions, and ,…
Hubbard pair cluster in the external fields. Studies of the polarization and susceptibility
T. Balcerzak, K. Szałowski
The electric and magnetic polarizations as well as the electric and magnetic susceptibilities of the Hubbard pair-cluster embedded in the external fields were studied by the exact…
Phase Diagram of the - Frustrated Anisotropic Antiferromagnet with Spin on the Quadratic Lattice
T. Balcerzak, K. Szałowski, A. Bobák +1
In the paper the phase diagram of frustrated antiferromagnet with spin and single-ion anisotropy is studied on the planar quadratic lattice in the cluster approxima…
Magnetization distribution in a spin ladder-shaped quantum nanomagnet
K. Szałowski, P. Kowalewska
The quantum nanomagnets show interesting site-dependent magnetic properties as a function of the temperature and the external magnetic field. In the paper we present the results of…
Hubbard pair cluster in the external fields. Studies of the magnetic properties
T. Balcerzak, K. Szałowski
The magnetic properties of the two-site Hubbard cluster (dimer or pair), embedded in the external electric and magnetic fields and treated as the open system, are studied by means…
Thermodynamic model of a solid with RKKY interaction and magnetoelastic coupling
T. Balcerzak, K. Szałowski, M. Jaščur
Thermodynamic description of a model system with magnetoelastic coupling is presented. The elastic, vibrational, electronic and magnetic energy contributions are taken into account…
Ground-state magnetic properties of spin ladder-shaped quantum nanomagnet: Exact diagonalization study
K. Szałowski, P. Kowalewska
The paper presents a computational study of the ground-state properties of a quantum nanomagnet possessing the shape of a finite two-legged ladder composed of 12 spins . The…
Thermodynamics of a model solid with magnetoelastic coupling
K. Szałowski, T. Balcerzak, M. Jaščur
In the paper a study of a model magnetoelastic solid system is presented. The system of interest is a mean-field magnet with nearest-neighbour ferromagnetic interactions and the un…
Ferrimagnetic and antiferromagnetic phase in bilayer graphene nanoflake controlled with external electric fields
Karol Szałowski
The paper presents a computational study of the ground-state magnetic phases of a selected bilayer graphene nanoflake in external electric field and magnetic field. The electric fi…
Hubbard pair cluster in the external fields. Studies of the chemical potential
T. Balcerzak, K. Szałowski
The chemical potential of the two-site Hubbard cluster (pair) embedded in the external electric and magnetic fields is studied by exact diagonalization of the Hamiltonian. The form…
Self-consistent model of a solid for the description of lattice and magnetic properties
T. Balcerzak, K. Szałowski, M. Jaščur
In the paper a self-consistent theoretical description of the lattice and magnetic properties of a model system with magnetoelastic interaction is presented. The dependence of magn…
Exact Diagonalization Study of an Extended Hubbard Model for a Cubic Cluster at Quarter Filling
K. Szałowski, T. Balcerzak, M. Jaščur +2
In the paper the thermodynamics of a cubic cluster with 8 sites at quarter filling is characterized by means of exact diagonalization technique. Particular emphasis is put on the b…
Nearest-neighbour antiferromagnetic interaction as a limiting factor for critical temperature in model DMS system
K. Szalowski
In numerous diluted magnetic semiconductor (DMS) systems, the competition takes place between the short-range antiferromagnetic (AF) superexchange interactions and the long-range R…
Frustration in an exactly solvable mixed-spin Ising model with bilinear and three-site four-spin interactions on a decorated square lattice
M. Jaščur, V. Štubňa, K. Szałowski +1
Competitive effects of so-called three-site four-spin interactions, single ion anisotropy and bilinear interactions is studied in the mixed spin-1/2 and spin-1 Ising model on a dec…
Critical temperature of two-dimensional hydrogenated multilayer graphene-based diluted ferromagnet
Karol Szałowski
In the paper a theoretical study of critical (Curie) temperature of diluted ferromagnet based on multilayer graphene (or graphite) with hydrogen adatoms deposited over carbon atoms…
Thermodynamic properties of a Hubbard model on a cubic cluster - exact diagonalization study at quarter filling
Karol Szałowski, Tadeusz Balcerzak, Michal Jaščur +2
We study the thermodynamics of a zero-dimensional, cubic cluster described with a Hubbard Hamiltonian, focusing our interest on the magnetic properties. The range in which the stud…