Chapter 10. Collective Magnetic Properties of Organizations of Magnetic Nanocrystals

  1. Prof. Marie-Paule Pileni
  1. Christophe Petit1,
  2. Laurence Motte1,
  3. Anh-Tu Ngo2,
  4. Isabelle Lisiecki2 and
  5. Marie-Paule Pileni3

Published Online: 9 MAY 2006

DOI: 10.1002/3527607587.ch10

Nanocrystals Forming Mesoscopic Structures

Nanocrystals Forming Mesoscopic Structures

How to Cite

Petit, C., Motte, L., Ngo, A.-T., Lisiecki, I. and Pileni, M.-P. (2005) Collective Magnetic Properties of Organizations of Magnetic Nanocrystals, in Nanocrystals Forming Mesoscopic Structures (ed M.-P. Pileni), Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim, FRG. doi: 10.1002/3527607587.ch10

Editor Information

  1. Laboratoire des Matériaux Mésoscopiques et Nanomètriques, LM2N, Université P. et M. Curie, U.M.R 7070, BP 52, 4 Place Jussieu, 75005 Paris, France

Author Information

  1. 1

    Laboratoire des Matériaux Mésoscopiques et Nanométriques, LM2N, UMR-CNRS 7070, Université P. et M. Curie, 4 Place Jussieu, 75005 Paris, France

  2. 2

    Université P. et M. Curie, Laboratoire LM2N, Bat F, BP 52, 4 Place Jussieu, 75252 Paris cedex 05, France

  3. 3

    Laboratoire des Matériaux Mésoscopiques et Nanomètriques, LM2N, Université P. et M. Curie, U.M.R 7070, BP 52, 4 Place Jussieu, 75005 Paris, France

Publication History

  1. Published Online: 9 MAY 2006
  2. Published Print: 26 SEP 2005

ISBN Information

Print ISBN: 9783527311705

Online ISBN: 9783527607587

SEARCH

Keywords:

  • nanocrystals;
  • collective magnetic properties of organizations of magnetic nanocrystals;
  • magnetism of nanoparticles;
  • origin of the collective properties in mesoscopic structures of magnetic nanocrystals;
  • collective magnetic properties of mesostructures made of magnetic nanocrystals;
  • cobalt nanocrystals

Summary

This chapter contains sections titled:

  • Introduction

  • General Principles of the Magnetism of Nanoparticles: Theory and Investigation

    • Magnetocrystalline Anisotropy Energy and Blocking Temperature

    • Magnetic Characterization from the Hysteresis Curves

    • Demagnetizing Fields

  • Origin of the Collective Properties in Mesoscopic Structures of Magnetic Nanocrystals

    • Orientation of the Easy Magnetic Axes

    • Dipolar Interactions

  • Collective Magnetic Properties of Mesostructures Made of Magnetic Nanocrystals

    • Materials and Mesoscopic Structures

    • Bidimensional (2D) Organization of Cobalt Nanocrystals

    • Three-Dimensional (3D) Organizations of Cobalt Nanocrystals

    • Does the Internal Order Play a Role?

    • Does the Structure Play a Role?

      • Linear Chains of Cobalt Nanocrystals

      • Patterned 3D Film of Magnetic Nanoparticles

        • Surface-Structured 3D Film

        • Tubelike-Structured 3D Film: Effect of a Volumic Texturation

  • Towards Collective Magnetic Properties at Room Temperature

    • Cigar-Shaped Maghemite Nanocrystals Organized in 3D Films

    • Organization of Cobalt Nanocrystals with High Magnetic Anisotropy Energy

  • Conclusion