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Doping-dependent ch...
Doping-dependent charge- and spin-density wave orderings in a monolayer of Pb adatoms on Si(111)
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- Vandelli, M. (författare)
- University of Hamburg,Max Planck Institute for the Structure and Dynamics of Matter
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- Galler, A. (författare)
- Max Planck Institute for the Structure and Dynamics of Matter
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- Rubio, A. (författare)
- University of the Basque Country,Max Planck Institute for the Structure and Dynamics of Matter,Simons Foundation
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- Lichtenstein, A. I. (författare)
- University of Hamburg
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- Biermann, S. (författare)
- Lund University,Lunds universitet,Matematisk fysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Mathematical Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH,College de France,The French National Centre for Scientific Research (CNRS),European Theoretical Spectroscopy Facility (ETSF)
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- Stepanov, E. A. (författare)
- The French National Centre for Scientific Research (CNRS),College de France
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(creator_code:org_t)
- 2024
- 2024
- Engelska.
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Ingår i: npj Quantum Materials. - 2397-4648. ; 9:1
- Relaterad länk:
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http://dx.doi.org/10... (free)
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- In this work we computed the phase diagram as a function of temperature and doping for a system of lead adatoms allocated periodically on a silicon (111) surface. This Si(111):Pb material is characterized by a strong and long-ranged Coulomb interaction, a relatively large value of the spin-orbit coupling, and a structural phase transition that occurs at low temperature. In order to describe the collective electronic behavior in the system, we perform many-body calculations consistently taking all these important features into account. We find that charge- and spin-density wave orderings coexist with each other in several regions of the phase diagram. This result is in agreement with the recent experimental observation of a chiral spin texture in the charge density wave phase in this material. We also find that the geometries of the charge and spin textures strongly depend on the doping level. The formation of such a rich phase diagram in the Si(111):Pb material can be explained by a combined effect of the lattice distortion and electronic correlations.
Ämnesord
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
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