IDEAS home Printed from https://ideas.repec.org/a/wsi/srlxxx/v03y1996i01ns0218625x9600190x.html
   My bibliography  Save this article

GIANT MAGNETORESISTANCE AND CLUSTER-SIZE DISTRIBUTION IN Co/Ag GRANULAR MONOLAYERS

Author

Listed:
  • R. MOREL

    (Laboratoire de Physique des Solides, Université Paris-Sud, 91405 Orsay Cedex, France)

  • L.B. STEREN

    (Laboratoire de Physique des Solides, Université Paris-Sud, 91405 Orsay Cedex, France)

  • A. BARTHÉLÉMY

    (Laboratoire de Physique des Solides, Université Paris-Sud, 91405 Orsay Cedex, France)

  • F. PARENT

    (Laboratoire de Physique des Solides, Université Paris-Sud, 91405 Orsay Cedex, France)

  • A. FERT

    (Laboratoire de Physique des Solides, Université Paris-Sud, 91405 Orsay Cedex, France)

  • A. MASSON

    (Laboratoire de Physique-Chimie des Surfaces, ENSCP, 11, rue Pierre et Marie Curie, 75005 Paris, France)

  • B. BELLAMY

    (Laboratoire de Physique-Chimie des Surfaces, ENSCP, 11, rue Pierre et Marie Curie, 75005 Paris, France)

Abstract

In this paper, we report on granular Co/Ag monolayers grown by MBE on MgO(100). The clusters sizes and distribution are governed by nucleation and growth processes onto the surface. By a careful fitting of the giant magnetoresistance, using a Langevin formalism that relies solely on the number of Bohr’s magnetons in the superparamagnetic clusters, we infer their size distribution and its dependence on cobalt content. InCo20Ag80, clusters sizes found range from 13 to 206 atoms, while inCo60Ag40they range from 40 to 3200, with the bigger clusters having sizes comparable to the total thickness of the samples. Also, by measuring the size of the effective clusters as function of temperature, we can estimate their blocking temperature and anisotropy constant.

Suggested Citation

  • R. Morel & L.B. Steren & A. Barthélémy & F. Parent & A. Fert & A. Masson & B. Bellamy, 1996. "GIANT MAGNETORESISTANCE AND CLUSTER-SIZE DISTRIBUTION IN Co/Ag GRANULAR MONOLAYERS," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 3(01), pages 1065-1069.
    • Handle: RePEc:wsi:srlxxx:v:03:y:1996:i:01:n:s0218625x9600190x
    DOI: 10.1142/S0218625X9600190X
    as

    Download full text from publisher

    File URL: http://www.worldscientific.com/doi/abs/10.1142/S0218625X9600190X
    Download Restriction: Access to full text is restricted to subscribers
    File URL: https://libkey.io/10.1142/S0218625X9600190X?utm_source=ideas
    LibKey link: if access is restricted and if your library uses this service, LibKey will redirect you to where you can use your library subscription to access this item
    ---><---

    As the access to this document is restricted, you may want to search for a different version of it.

    More about this item

    Statistics

    Access and download statistics

    Corrections

    All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:wsi:srlxxx:v:03:y:1996:i:01:n:s0218625x9600190x. See general information about how to correct material in RePEc.

    If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

    We have no bibliographic references for this item. You can help adding them by using this form .

    If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.

    For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: Tai Tone Lim (email available below). General contact details of provider: http://www.worldscinet.com/srl/srl.shtml .

    Please note that corrections may take a couple of weeks to filter through the various RePEc services.

    IDEAS is a RePEc service. RePEc uses bibliographic data supplied by the respective publishers.