%0 Journal Article %1 tuniz2023dynamics %A Tuniz, Manuel %A Consiglio, Armando %A Puntel, Denny %A Bigi, Chiara %A Enzner, Stefan %A Pokharel, Ganesh %A Orgiani, Pasquale %A Bronsch, Wibke %A Parmigiani, Fulvio %A Polewczyk, Vincent %A King, Phil D. C. %A Wells, Justin W. %A Zeljkovic, Ilija %A Carrara, Pietro %A Rossi, Giorgio %A Fujii, Jun %A Vobornik, Ivana %A Wilson, Stephen D. %A Thomale, Ronny %A Wehling, Tim %A Sangiovanni, Giorgio %A Panaccione, Giancarlo %A Cilento, Federico %A Di Sante, Domenico %A Mazzola, Federico %D 2023 %J Commun. Mater. %K a %N 1 %P 103 %R 10.1038/s43246-023-00430-y %T Dynamics and resilience of the unconventional charge density wave in ScV$_6$Sn$_6$ bilayer kagome metal %U https://doi.org/10.1038/s43246-023-00430-y %V 4 %X Long-range electronic ordering descending from a metallic parent state constitutes a rich playground to study the interplay of structural and electronic degrees of freedom. In this framework, kagome metals are in the most interesting regime where both phonon and electronically mediated couplings are significant. Several of these systems undergo a charge density wave transition. However, to date, the origin and the main driving force behind this charge order is elusive. Here, we use the kagome metal ScV6Sn6 as a platform to investigate this problem, since it features both a kagome-derived nested Fermi surface and van-Hove singularities near the Fermi level, and a charge-ordered phase that strongly affects its physical properties. By combining time-resolved reflectivity, first principles calculations and photo-emission experiments, we identify the structural degrees of freedom to play a fundamental role in the stabilization of charge order, indicating that ScV6Sn6 features an instance of charge order predominantly originating from phonons.

@article{tuniz2023dynamics, abstract = {Long-range electronic ordering descending from a metallic parent state constitutes a rich playground to study the interplay of structural and electronic degrees of freedom. In this framework, kagome metals are in the most interesting regime where both phonon and electronically mediated couplings are significant. Several of these systems undergo a charge density wave transition. However, to date, the origin and the main driving force behind this charge order is elusive. Here, we use the kagome metal ScV6Sn6 as a platform to investigate this problem, since it features both a kagome-derived nested Fermi surface and van-Hove singularities near the Fermi level, and a charge-ordered phase that strongly affects its physical properties. By combining time-resolved reflectivity, first principles calculations and photo-emission experiments, we identify the structural degrees of freedom to play a fundamental role in the stabilization of charge order, indicating that ScV6Sn6 features an instance of charge order predominantly originating from phonons.}, added-at = {2023-12-18T10:45:46.000+0100}, author = {Tuniz, Manuel and Consiglio, Armando and Puntel, Denny and Bigi, Chiara and Enzner, Stefan and Pokharel, Ganesh and Orgiani, Pasquale and Bronsch, Wibke and Parmigiani, Fulvio and Polewczyk, Vincent and King, Phil D. C. and Wells, Justin W. and Zeljkovic, Ilija and Carrara, Pietro and Rossi, Giorgio and Fujii, Jun and Vobornik, Ivana and Wilson, Stephen D. and Thomale, Ronny and Wehling, Tim and Sangiovanni, Giorgio and Panaccione, Giancarlo and Cilento, Federico and Di Sante, Domenico and Mazzola, Federico}, biburl = {https://www.bibsonomy.org/bibtex/2ad3f873d42d61f4d01401e48fc470a2b/ctqmat}, day = 04, doi = {10.1038/s43246-023-00430-y}, interhash = {888acc29648016d8b66e533c02e24ec5}, intrahash = {ad3f873d42d61f4d01401e48fc470a2b}, issn = {26624443}, journal = {Commun. Mater.}, keywords = {a}, month = {12}, number = 1, pages = 103, refid = {Tuniz2023}, timestamp = {2023-12-19T11:52:06.000+0100}, title = {Dynamics and resilience of the unconventional charge density wave in ScV$_\mathbf{6}$Sn$_\mathbf{6}$ bilayer kagome metal}, url = {https://doi.org/10.1038/s43246-023-00430-y}, volume = 4, year = 2023 }