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  Magnetism in Single Metalloorganic Complexes Formed by Atom Manipulation

Choi, T., Badal, M., Loth, S., Yoo, J.-W., Lutz, C. P., Heinrich, A. J., et al. (2014). Magnetism in Single Metalloorganic Complexes Formed by Atom Manipulation. Nano Letters, 14(3), 1196-1201. doi:10.1021/nl404054v.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0024-BDEA-B Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0026-B300-8
Genre: Journal Article

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http://dx.doi.org/10.1021/nl404054v (Publisher version)
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 Creators:
Choi, T.1, Author
Badal, M.1, 2, Author
Loth, S.3, 4, Author              
Yoo, J.-W.1, 5, Author
Lutz, C. P.4, Author
Heinrich, A. J.4, Author
Epstein, A. J.1, Author
Stroud, D. G.1, Author
Gupta, J. A.1, Author
Affiliations:
1Department of Physics, The Ohio State University, Columbus, Ohio 43210, United States, ou_persistent22              
2School of Natural Sciences, University of California, Merced, California 95343, United States, ou_persistent22              
3Dynamics of Nanoelectronic Systems, Independent Research Groups, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_1938290              
4 IBM Research Division, Almaden Research Center, San Jose, San Jose, California 95120, United States, ou_persistent22              
5School of Materials Science and Engineering, Ulsan National Institute of Science and Technology, Ulsan, Republic of Korea, 688-798, ou_persistent22              

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Free keywords: Metallorganic complexes; spin/charge transfer; atomic manipulation; spin flip spectroscopy; spin Hamiltonian; ultrathin insulating layer
 Abstract: The magnetic properties of molecular structures can be tailored by chemical synthesis or bottom-up assembly at the atomic scale. We used scanning tunneling microscopy to study charge and spin transfer in individual complexes of transition metals with the charge acceptor, tetracyanoethylene (TCNE). The complexes were formed on a thin insulator, Cu2N on Cu(100), by manipulation of individual atoms and molecules. The Cu2N layer decouples the complexes from Cu electron density, enabling direct imaging of the TCNE molecular orbitals as well as spin-flip inelastic electron tunneling spectroscopy. Results were obtained at low temperature down to 1 K and in magnetic fields up to 7 T in order to resolve splitting of spin states in the complexes. We also performed spin-polarized density functional theory calculations to compare with the experimental data. Our results indicate that charge transfer to TCNE leads to a change in spin magnitude, Kondo resonance, and magnetic anisotropy for the metal atoms.

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Language(s): eng - English
 Dates: 2014-01-262013-10-312014-02-032014-03-12
 Publication Status: Published in print
 Pages: 6
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1021/nl404054v
BibTex Citekey: doi:10.1021/nl404054v
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Title: Nano Letters
Source Genre: Journal
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Publ. Info: Washington, DC : American Chemical Society
Pages: - Volume / Issue: 14 (3) Sequence Number: - Start / End Page: 1196 - 1201 Identifier: ISSN: 1530-6984
CoNE: /journals/resource/110978984570403