Skip to main content
SpringerLink
Log in

Towards a microscopic description of superparamagnetism

  • Relaxation Phase Transitions Lattice Dynamics
  • Published:
Hyperfine Interactions Aims and scope Submit manuscript

Abstract

An approach in which the superparamagnetic relaxation rate is obtained by calculation of matrix elements for microscopic relaxation processes is introduced. It appears that in general there will be a quantum contribution to the energy barrier which for small particles may be comparable to the anisotropy energy.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Log in via an institution

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Institutional subscriptions

Similar content being viewed by others

References

  1. W.F. Brown, Phys. Rev.,130, 677 (1963).

    ADS  Google Scholar 

  2. D.H. Jones and K.K.P. Srivastava, Phys. Rev. B84, 7452 (1986).

    Google Scholar 

  3. A.I. Akhiezer, J. Phys. (Moscow)10, 217 (1946).

    MathSciNet  Google Scholar 

  4. K.P. Sinha and U.N. Upadhyaya, Phys. Rev.,127, 432 (1962).

    Article  ADS  Google Scholar 

Download references

Author information

Authors and Affiliations

  1. Department of Physics, University of Liverpool, L69 3BX, Liverpool, England

    K. K. P. Srivastava & D. H. Jones

Authors
  1. K. K. P. Srivastava
    View author publications

    You can also search for this author in PubMed Google Scholar

  2. D. H. Jones
    View author publications

    You can also search for this author in PubMed Google Scholar

Rights and permissions

Reprints and permissions

About this article

Cite this article

Srivastava, K.K.P., Jones, D.H. Towards a microscopic description of superparamagnetism. Hyperfine Interact 42, 1047–1049 (1988). https://doi.org/10.1007/BF02395570

Download citation

  • Issue Date:

  • DOI: https://doi.org/10.1007/BF02395570

Keywords

Search

Navigation