Article (Scientific journals)
Single-Molecule Sensing Using Carbon Nanotubes Decorated with Magnetic Clusters
Zanolli, Zeila; Charlier, Jean-Christophe
2012In ACS Nano, 6 (12), p. 10786–10791
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Keywords :
spin-polarized quantum transport;; electronic structure; gas sensing; magnetic nanoclusters; carbon nanotubes; nanomagnetism
Abstract :
[en] First-principles and nonequilibrium Green's function techniques are used to investigate magnetism and spin-polarized quantum transport in metallic carbon nanotubes (CNT) decorated with transition metal (Ni_13, Pt_13) magnetic nanoclusters (NC). For small cluster sizes, the strong CNT-NC interaction induces spin-polarization in the CNT. The adsorption of a benzene molecule is found to drastically modify the CNT-NC magnetization. Such a magnetization change should be large enough to be detected via magnetic-AFM or SQUID magnetometry, hence suggesting a novel approach for single-molecule gas detection.
Disciplines :
Chemistry
Physics
Author, co-author :
Zanolli, Zeila ;  Université de Liège > Département de physique > Physique théorique des matériaux
Charlier, Jean-Christophe;  Université catholique de Louvain (UCL) > Institute of Condensed Matter and Nanosciences (IMCN)
Language :
English
Title :
Single-Molecule Sensing Using Carbon Nanotubes Decorated with Magnetic Clusters
Publication date :
2012
Journal title :
ACS Nano
ISSN :
1936-0851
eISSN :
1936-086X
Publisher :
American Chemical Society, Washington, United States - District of Columbia
Volume :
6
Issue :
12
Pages :
10786–10791
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 09 April 2015

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