In: Physical Review B, 2019, vol. 100, no. 7, p. 075152
Spatially inhomogeneous electronic states are expected to be key ingredients for the emergence of superconducting phases in quantum materials hosting charge-density waves (CDWs). Prototypical materials are transitionmetal dichalcogenides (TMDCs) and among them, 1T-TiSe2 exhibiting intertwined CDW and superconducting states under Cu intercalation, pressure, or electrical gating. Although it...
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Thèse de doctorat : Université de Fribourg, 2002 ; Nr. 1387.
Das Thema dieser Doktorarbeit ist die Untersuchung des Einflusses von Punktdefekten auf die lokale elektronische Struktur von sp2-gebundenem Kohlenstoff. Die Motivation für die vorgelegte Arbeit sind die Bestrebungen, die zentralen Komponenten von elektronischen Schaltkreisen auf die Längenskala von molekularen Strukturen zu reduzieren (~ nm). Die elektronischen Eigenschaften von Strukturen...
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In: Physical Review B, 2005, vol. 71, p. 153403
We report on a pronounced redistribution of the local electronic density of states at the graphite surface, which is induced by the presence of low energy hydrogen-ion induced point defects. Scanning tunneling microscopy reveals standing waves in the local density of states, which are due to backscattering of electron wave functions at individual point defects. The superstructure thereby formed...
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