Charge-density waves in self-assembled halogen-bridged metal chains

Authors
Swamy, K Menzel, A Beer, R Bertel, E
Citation
K. Swamy et al., Charge-density waves in self-assembled halogen-bridged metal chains, PHYS REV L, 86(7), 2001, pp. 1299-1302
Citations number
17
Categorie Soggetti
Physics
Journal title
PHYSICAL REVIEW LETTERS
ISSN journal
00319007 → ACNP
Volume
86
Issue
7
Year of publication
2001
Pages
1299 - 1302
Database
ISI
SICI code
0031-9007(20010212)86:7<1299:CWISHM>2.0.ZU;2-Z
Abstract
Self-assembled growth of an ordered layer of Pt-Br-Pt chains on a Ft(110) s urface is demonstrated. Upon slight doping with excess bromine, charge-dens ity wave (CDW) domains separated by well-localized solitons are observed in the Br/Pt layer by scanning tunneling microscopy. Depending on annealing a nd adatom concentration, a global, long-range-ordered CDW ground state can be established. Angle-resolved UV photoemission data reveal the correspondi ng Fermi surface and its removal upon the Peierls transition. The CDW phase is stable to well above room temperature.