Charge-density-wave control by adatom manipulation and its effect on magnetic nanostructures
Charge Density Wave
DOI:
10.48550/arxiv.2410.02018
Publication Date:
2024-10-02
AUTHORS (4)
ABSTRACT
Charge-density waves (CDWs) are correlated states of matter, where the electronic density is modulated periodically as a consequence and phononic interactions. Often, CDW phases coexist with other states, such superconductivity, spin-density or Mott insulators. Controlling may therefore enable manipulation energy landscape these interacting states. 2H-NbSe$_2$ prime example transition metal dichalcogenide (TMDC) hosting order superconductivity. The incommensurate nature resulting in different CDW-to-lattice alignments at atomic scale. Here, we use tip scanning tunneling microscope (STM) to position adatoms on surface induce reversible switching domains. We show that domain structure critically affects local interactions, namely hybridization Yu-Shiba-Rusinov (YSR) which arise from exchange interactions magnetic Fe atoms superconductor. Our results suggest could also be used introduce walls coupled spin chains superconductors, potentially affecting topological
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