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  Influence of CO adsorption on the magnetism of small Co particles deposited on Al2O3

Hill, T., Mozaffari-Afshar, M., Schmidt, J., Risse, T., Stempel, S., Heemeier, M., et al. (1998). Influence of CO adsorption on the magnetism of small Co particles deposited on Al2O3. Chemical Physics Letters, 292(4-6), 524-530. doi:10.1016/S0009-2614(98)00690-3.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0007-1AB7-E Version Permalink: https://hdl.handle.net/21.11116/0000-0007-3298-5
Genre: Journal Article

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 Creators:
Hill, Thomas1, Author           
Mozaffari-Afshar, Mohsen1, Author           
Schmidt, Jörg1, Author           
Risse, Thomas1, Author           
Stempel, Sascha1, Author           
Heemeier, Michael1, Author           
Freund, Hans-Joachim1, Author           
Affiliations:
1Chemical Physics, Fritz Haber Institute, Max Planck Society, ou_24022              

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 Abstract: Ferromagnetic resonance under ultrahigh vacuum conditions was used to study the magnetic properties of small cobalt particles deposited on the reconstructed surface of a sapphire single crystal ((31x31)R±9° Al2O3(0001)). The intensity of the resonance line decreases after CO adsorption but the signal is not totally quenched. Therefore, only the atoms in the outer sphere of the cluster are influenced and a magnetic core still remains. STM measurements of Co particles on a thin alumina film Al2O3/NiAl(110) support this assumption of three-dimensional growth.

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Language(s): eng - English
 Dates: 1998-03-311998-08-14
 Publication Status: Issued
 Pages: 7
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1016/S0009-2614(98)00690-3
 Degree: -

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Title: Chemical Physics Letters
  Other : Chem. Phys. Lett.
Source Genre: Journal
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Publ. Info: Amsterdam : North-Holland
Pages: 7 Volume / Issue: 292 (4-6) Sequence Number: - Start / End Page: 524 - 530 Identifier: ISSN: 0009-2614
CoNE: https://pure.mpg.de/cone/journals/resource/954925389241