Jan M Tomczak
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Explore the profile of Jan M Tomczak including associated specialties, affiliations and a list of published articles.
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18
Citations
70
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Recent Articles
1.
Di Cataldo S, Worm P, Tomczak J, Si L, Held K
Nat Commun
. 2024 May;
15(1):3952.
PMID: 38729955
High-temperature unconventional superconductivity quite generically emerges from doping a strongly correlated parent compound, often (close to) an antiferromagnetic insulator. The recently developed dynamical vertex approximation is a state-of-the-art technique that...
2.
van Loon E, Schuler M, Springer D, Sangiovanni G, Tomczak J, Wehling T
NPJ 2D Mater Appl
. 2024 Apr;
7(1):47.
PMID: 38665482
Two-dimensional materials can be strongly influenced by their surroundings. A dielectric environment screens and reduces the Coulomb interaction between electrons in the two-dimensional material. Since in Mott materials the Coulomb...
3.
Si L, Wallerberger M, Smolyanyuk A, Di Cataldo S, Tomczak J, Held K
J Phys Condens Matter
. 2023 Oct;
36(6).
PMID: 37875139
We briefly review the status quo of research on the putative superconductor PbCu(PO)O also known as LK-99. Further, we providederived tight-binding parameters for a two- and five-band model, and solve...
4.
Valli A, Tomczak J
J Comput Electron
. 2023 Oct;
22(5):1363-1376.
PMID: 37840651
Realizing the promises of molecular electronic devices requires an understanding of transport on the nanoscale. Here, we consider a Su-Schrieffer-Heeger model for semi-conducting trans-polyacetylene molecular wires in which we endow...
5.
Kitatani M, Si L, Worm P, Tomczak J, Arita R, Held K
Phys Rev Lett
. 2023 May;
130(16):166002.
PMID: 37154662
Motivated by cuprate and nickelate superconductors, we perform a comprehensive study of the superconducting instability in the single-band Hubbard model. We calculate the spectrum and superconducting transition temperature T_{c} as...
6.
Kimura M, He X, Katase T, Tadano T, Tomczak J, Minohara M, et al.
Nano Lett
. 2021 Oct;
21(21):9240-9246.
PMID: 34709840
An unusually large thermopower () enhancement is induced by heterostructuring thin films of the strongly correlated electron oxide LaNiO. The phonon-drag effect, which is not observed in bulk LaNiO, enhances...
7.
Katase T, He X, Tadano T, Tomczak J, Onozato T, Ide K, et al.
Adv Sci (Weinh)
. 2021 Oct;
8(23):e2102097.
PMID: 34672114
Introducing artificial strain in epitaxial thin films is an effective strategy to alter electronic structures of transition metal oxides (TMOs) and to induce novel phenomena and functionalities not realized in...
8.
Bhandary S, Tomczak J, Valli A
Nanoscale Adv
. 2021 Sep;
3(17):4990-4995.
PMID: 34485819
Among spin-crossover complexes, Fe-porphyrin (FeP) stands out for molecular spintronic applications: an intricate, yet favourable balance between ligand fields, charge transfer, and the Coulomb interaction makes FeP highly manipulable, while...
9.
Si L, Xiao W, Kaufmann J, Tomczak J, Lu Y, Zhong Z, et al.
Phys Rev Lett
. 2020 May;
124(16):166402.
PMID: 32383925
Superconducting nickelates appear to be difficult to synthesize. Since the chemical reduction of ABO_{3} [rare earth (A), transition metal (B)] with CaH_{2} may result in both ABO_{2} and ABO_{2}H, we...
10.
Tomczak J
J Phys Condens Matter
. 2018 Apr;
30(18):183001.
PMID: 29633717
We review many-body effects, their microscopic origin, as well as their impact on thermoelectricity in correlated narrow-gap semiconductors. Members of this class-such as FeSi and FeSb-display an unusual temperature dependence...