55 citations · 132 across the 16 of their papers we have counts for
18 papers
Breaking the Wiedemann-Franz limit in thermoelectrics via separated flat bands
Illia Serhiienko, Fabian Garmroudi, Stefan Enzner +3
Controlling the charge and spin degrees of freedom of electrons in solids has been at the heart of condensed-matter science for centuries. One hallmark of metallic conduction is th…
High-quality single crystals of the kagome metals NiIn and NiSn grown from Pb flux
Fabian Garmroudi, Jennifer Coulter, Caitlin S. T. Kengle +4
The bilayer kagome metal NiIn has recently attracted attention due to the presence of a flat band located near the Fermi level, which has been associated with unconventional th…
High-entropy FeVAl-based thermoelectric modules with improved conversion efficiency
Michael Parzer, Geoffrey Roy, Fabian Garmroudi +4
Thermoelectric (TE) materials enable the direct conversion of heat into electricity and are attractive for sustainable energy applications. For practical deployment, TE materials m…
Putative quantum critical point in locally noncentrosymmetric CeCoGe crystals
F. Garmroudi, C. S. T. Kengle, M. H. Schenck +4
Locally noncentrosymmetric heavy-fermion compounds may produce long-sought correlated quantum phases, such as spin-triplet superconductivity with non-Abelian quasiparticles, but id…
-type RuTiHfSi full-Heusler bulk thermoelectrics with
Fabian Garmroudi, Illia Serhiienko, Michael Parzer +4
Heusler compounds have emerged as important thermoelectric materials due to their combination of promising electronic transport properties, mechanical robustness and chemical stabi…
Tracking flat bands via phonon-mediated interband scattering
Fabian Garmroudi, Jennifer Coulter, Xinlin Yan +7
Flat-band (FB) systems offer a fertile platform for realizing exotic correlated and topological phases, yet central challenges remain in tuning FBs towards the Fermi level $E_\text…
Energy filtering-induced ultrahigh thermoelectric power factors in NiGe
Fabian Garmroudi, Simone Di Cataldo, Michael Parzer +15
Traditional thermoelectric materials rely on low thermal conductivity to enhance their efficiency but suffer from inherently limited power factors. Novel pathways to optimize elect…
Thermoelectric transport in RuTiSi full-Heusler compounds
Fabian Garmroudi, Michael Parzer, Takao Mori +2
Heusler compounds with six valence electrons per atom have attracted interest as thermoelectric materials owing to their semimetallic and semiconducting properties. Here, we theore…
Mapping delocalization of impurity bands across archetypal Mott-Anderson transition
M. Parzer, F. Garmroudi, A. Riss +3
Tailoring charge transport in solids on demand is the overarching goal of condensed-matter research as it is crucial for electronic applications. Yet, often the proper tuning knob…
Decoupled charge and heat transport for high-performance FeVAl composite thermoelectrics
Fabian Garmroudi, Illia Serhiienko, Michael Parzer +16
Decoupling charge and heat transport is essential for optimizing thermoelectric materials. Strategies to inhibit lattice-driven heat transport, however, also compromise carrier mob…
SeeBand: A highly efficient, interactive tool for analyzing electronic transport data
Michael Parzer, Alexander Riss, Fabian Garmroudi +3
Linking the fundamental physics of band structure and scattering theory with macroscopic features such as measurable bulk thermoelectric transport properties is indispensable to a…
Cooperative Nernst Effect of Multilayer Systems: Parallel Circuit Model Study
Hiroyasu Matsuura, Alexander Riss, Fabian Garmroudi +2
Transverse thermoelectric power generation has emerged as a topic of immense interest in recent years owing to the orthogonal geometry which enables better scalability and fabricat…
Iterative composition optimization in FeVAl-based thin-film thermoelectrics using single-target sputtering
Alexander Riss, Ellena Lasisch, Simon Podbelsek +6
Magnetron sputtering inherently exhibits the advantage of dislodging particles from the target in a ratio equivalent to the target stoichiometry. Nevertheless, film compositions of…
Vacancy-induced pseudo-gap formation in antiferromagnetic CrZnSb
Michael Parzer, Fabian Garmroudi, Herwig Michor +7
Structural defects are important for both solid-state chemistry and physics, as they can have a significant impact on chemical stability and physical properties. Here, we identify…
High thermoelectric power factor through topological flat bands
Fabian Garmroudi, Illia Serhiienko, Simone Di Cataldo +11
Thermoelectric (TE) materials are useful for applications such as waste heat harvesting or efficient and targeted cooling. While various strategies towards superior thermoelectrics…
High thermoelectric performance in metallic NiAu alloys
Fabian Garmroudi, Michael Parzer, Alexander Riss +5
Thermoelectric (TE) materials seamlessly convert thermal into electrical energy and vice versa, making them promising for applications such as power generation or cooling. Although…
From spin liquid to magnetic ordering in the anisotropic kagome Y-Kapellasite Y3Cu9(OH)19Cl8: a single crystal study
D. Chatterjee, P. Puphal, Q. Barthélemy +15
Y3Cu9(OH)19Cl8 realizes an original anisotropic kagome model hosting a rich magnetic phase diagram [M. Hering et al, npj Computational Materials 8, 1 (2022)]. We present an improve…
Stoichiometric and off-stoichiometric full Heusler thermoelectric systems
B. Hinterleitner, P. Fuchs, J. Rehak +5
A series of full-Heusler alloys, , , was prepared, characterized and relevant physical properties to account for the thermoelectric perform…