825 citations · 1.4k across the 17 of their papers we have counts for
17 papers
Phase-Controlled Epitaxy and Anisotropic Antiferromagnetism of Polar Wurtzite MnTe
Janusz Sadowski, Jaroslaw Z. Domagala, Piotr Dziawa +8
Altermagnetic spintronics requires materials in which compensated magnetic order, symmetry-controlled electronic responses, and epitaxial tunability can be combined in experimental…
Moire based strain analysis in wurtzite GaAs -- rock-salt (Pb,Sn)Te core-shell nanowires grown by molecular beam epitaxy
Maciej Wojcik, Sania Dad, Piotr Dziawa +3
We investigate core/shell GaAs/(Pb,Sn)Te nanowire nanoheterostructures with wurtzite (wz) GaAs cores and (Pb,Sn)Te topological crystalline insulator shells. The nanostructures have…
Signatures of hydrodynamic flow of topological carriers in SnTe multi-terminal nanowires
Dawid Śnieżek, Cezary Śliwa, Krzysztof Dybko +5
In this work, we used 20 nm thick CdTe/SnTe/CdTe [001] quantum wells to make 6- and 8-terminal nano-structures with the etched cross-junctions of sub-micron width with walls direct…
Pentagonal nanowires from topological crystalline insulators: a platform for intrinsic core-shell nanowires and higher-order topology
Ghulam Hussain, Giuseppe Cuono, Piotr Dziawa +12
We report on the experimental realization of Pb1-xSnxTe pentagonal nanowires (NWs) with [110] orientation using molecular beam epitaxy techniques. Using first-principles calculatio…
Thermoelectric PbTe-CdTe bulk nanocomposite
M. Szot, K. Dybko, A. Mycielski +4
The preparation method of thermoelectric PbTe-CdTe semiconductor nanocomposite in the form of a bulk material doped with Bi, I or Na, intended for production the mid-temperature th…
Nearly Lattice Matched GaAs/Pb(1-x)Sn(x)Te Core-Shell Nanowires
Sania Dad, Piotr Dziawa, Wiktoria Zajkowska +4
We investigate the full and half-shells of Pb(1-x)Sn(x)Te topological crystalline insulator deposited by molecular beam epitaxy on the sidewalls of wurtzite GaAs nanowires (NWs). D…
Two-valence band electron and heat transport in monocrystalline PbTe-CdTe solid solutions with high Cd content
M. Szot, P. Pfeffer, K. Dybko +10
High quality p-type PbTe-CdTe monocrystalline alloys containing up to 10 at. of Cd are obtained by self-selecting vapor transport method. Mid infrared photoluminescence experim…
Defect-free SnTe topological crystalline insulator nanowires grown by molecular beam epitaxy on graphene
J. Sadowski, P. Dziawa, A. Kaleta +4
SnTe topological crystalline insulator nanowires have been grown by molecular beam epitaxy on graphene/SiC substrates. The nanowires have cubic rock-salt structure, they grow along…
Probing spatial extent of topological surface states by weak antilocalization experiments
K. Dybko, G. P. Mazur, W. Wolkanowicz +7
Weak antilocalization measurements has become a standard tool for studying quantum coherent transport in topological materials. It is often used to extract information about number…
Fragility of the Dirac Cone Splitting in Topological Crystalline Insulator Heterostructures
Craig M. Polley, Ryszard Buczko, Alexander Forsman +11
The 'double Dirac cone' 2D topological interface states found on the (001) faces of topological crystalline insulators such as PbSnSe feature degeneracies located awa…
Robust spin-polarized midgap states at step edges of topological crystalline insulators
Paolo Sessi, Domenico Di Sante, Andrzej Szczerbakow +11
Topological crystalline insulators are materials in which the crystalline symmetry leads to topologically protected surface states with a chiral spin texture, rendering them potent…
Direct observation and temperature control of the surface Dirac gap in the topological crystalline insulator (Pb,Sn)Se
B. M. Wojek, M. H. Berntsen, V. Jonsson +5
Since the advent of topological insulators hosting symmetry-protected Dirac surface states, efforts have been made to gap these states in a controllable way. A new route to accompl…
On the nature of the band inversion and the topological phase transition in (Pb,Sn)Se
B. M. Wojek, P. Dziawa, B. J. Kowalski +6
The recent discovery of a topological phase transition in IV-VI narrow-gap semiconductors has revitalized the decades-old interest in the bulk band inversion occurring in these mat…
Observation of topological crystalline insulator surface states on (111)-oriented PbSnSe films
C. M. Polley, P. Dziawa, A. Reszka +13
We present angle resolved photoemission spectroscopy measurements of the surface states on in-situ grown (111) oriented films of PbSnSe, a three dimensional topologic…
Spin-polarized (001) surface states of the topological crystalline insulator Pb_{0.73}Sn_{0.27}Se
B. M. Wojek, R. Buczko, S. Safaei +9
We study the nature of (001) surface states in Pb_{0.73}Sn_{0.27}Se in the newly discovered topological-crystalline-insulator (TCI) phase as well as the corresponding topologically…
Topological crystalline insulator states in Pb(1-x)Sn(x)Se
P. Dziawa, B. J. Kowalski, K. Dybko +9
Topological insulators are a novel class of quantum materials in which time-reversal symmetry, relativistic (spin-orbit) effects and an inverted band structure result in electronic…
Spin-glass behavior in Ni-doped La1:85Sr0:15CuO4
A. Malinowski, V. L. Bezusyy, R. Minikayev +3
The dynamic and static magnetic properties of La1:85Sr0:15Cu1-yNiyO4 with Ni concentration up to y=0.63 are reported. All the features that characterize the spin-glass (SG) behavio…