Manipulating magnetism and conductance of an adatom-molecule junction on a metal surface: An ab initio study

Research output: Research - peer-reviewJournal article – Annual report year: 2008

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The state of the art ab initio calculations reveal the effect of a scanning tunneling microscopy tip on magnetic properties and conductance of a benzene-adatom sandwich on Cu(001). We concentrate on a benzene-Co system interacting with a Cr tip. Our studies give a clear evidence that magnetism and conductance in molecule-adatom junctions can be tailored by the STM tip. Varying the tip-substrate distance the magnetic moment of the Co adatom can be switched on/off. The interplay between spin-polarized electron transport through the junction and its magnetic properties is demonstrated. A spin-filter effect in the junction is predicted.
Original languageEnglish
JournalPhysical Review B Condensed Matter
Volume78
Issue number1
Pages (from-to)014426
ISSN0163-1829
DOIs
StatePublished - 2008

Bibliographical note

Copyright 2008 American Physical Society

CitationsWeb of Science® Times Cited: 11

    Research areas

  • ATOMIC-SCALE, SPECTROSCOPY, AUGMENTED-WAVE METHOD, BENZENE, SINGLE-MOLECULE, ANISOTROPY, SCANNING TUNNELING MICROSCOPE
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