Magnetic properties Cu doped ZnO:Fe semiconductors

Kh A. Ziq, A. Ismail

Research output: Contribution to journalArticlepeer-review

Abstract

Magnetization measurements were performed on a series of Zn0.9-x Fe0.1CuxO samples (0 ≤ x ≤ 0.10). Small hysteresis losses are seen at low temperatures. The ferromagnetic exchange interaction has been evaluated from the inverse DC magnetic susceptibility versus T and the molecular field theory. We found that Cu-doping greatly enhances the FM exchange interaction, increases the saturation magnetization, hysteresis losses and the magnetic susceptibility. Arrott-Kouvel plot has been used to study the spontaneous magnetic moment at low temperatures. We show that hysteresis losses cannot be taken as the only evidence for the appearance of the ferromagnetic order in these semiconducting semi-magnetic materials.

Original languageEnglish
Pages (from-to)591-594
Number of pages4
JournalInternational Journal of Nanoscience
Volume9
Issue number6
DOIs
StatePublished - Dec 2010

Bibliographical note

Funding Information:
This work has been supported by King Fahd University of Petroleum and Minerals under grant No. IP2007/08. We would like to thank A.F. Salem,

Keywords

  • Exchange interaction
  • magnetic semiconductor
  • molecular field theory

ASJC Scopus subject areas

  • Biotechnology
  • Bioengineering
  • General Materials Science
  • Condensed Matter Physics
  • Computer Science Applications
  • Electrical and Electronic Engineering

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