Local electronic properties in nanoscale systems
Andre M. C. Souza, Hans Herrmann
TL;DR
This paper investigates the local electronic properties of nanoscale chains, explaining even-odd oscillations, analyzing STM topography variations, and examining magnetic moments influenced by interactions, filling, and temperature.
Contribution
It introduces a theoretical mechanism for even-odd oscillations and analyzes how electronic and magnetic properties vary with system parameters.
Findings
Explanation of even-odd length oscillations in atom chains
Analysis of STM topography as a function of interactions and temperature
Site-dependent magnetic moments in nanoscale systems
Abstract
The local electronic structure on nanoscale chains is investigated theoretically. We propose a mechanism to explain the even-odd oscillation of length distribution of atom chains. We study the spatial peak structure as obtained by scanning tunneling microscopy (STM) constant-current topography as a function of the electron-electron interaction, band filling and temperature. The site-dependent magnetic moment is also examined.
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Taxonomy
TopicsSurface and Thin Film Phenomena · Electronic and Structural Properties of Oxides