Origin of current-induced forces in an atomic gold wire: A first-principles study

Publication: Research - peer-reviewJournal article – Annual report year: 2003

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We address the microscopic origin of the current-induced forces by analyzing results of first principles density functional calculations of atomic gold wires connected to two gold electrodes with different electrochemical potentials. We find that current induced forces are closely related to the chemical bonding, and arise from the rearrangement of bond charge due to the current flow. We explain the current induced bond weakening/strengthening by introducing bond charges decomposed into electrode components.
Original languageEnglish
JournalPhysical Review B (Condensed Matter and Materials Physics)
Publication date2003
Volume67
Issue19
Pages193104
ISSN1098-0121
DOIs
StatePublished

Bibliographical note

Copyright (2003) American Physical Society

CitationsWeb of Science® Times Cited: 58

Keywords

  • ELECTRONIC POPULATION ANALYSIS, LCAO, MOLECULAR WAVE FUNCTIONS
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