Magnetic and spectroscopic characteristics of ZnMnO system

A. K. Pradhan, D. Hunter, Kai Zhang, J. B. Dadson, S. Mohanty, T. M. Williams, K. Lord, R. R. Rakhimov, U. N. Roy, Y. Cui, A. Burger, Jun Zhang, D. J. Sellmyer

Research output: Contribution to journalArticlepeer-review

17 Scopus citations


We report on the observation of room-temperature ferromagnetism in epitaxial (Zn,Mn)O films grown by a pulsed-laser deposition technique using high-density targets. The X-ray, microscopic, spectroscopic and magnetic properties of target material containing 6 at.% of Mn and films were compared. The target shows the presence of large clusters exhibiting paramagnetic behavior. However, ferromagnetic properties were observed in (Zn,Mn)O films grown at a substrate temperature of 500 °C and with an oxygen partial pressure of 1 mTorr. Although, crystalline quality of the film improves with increasing substrate temperature, the ferromagnetism becomes weaker.

Original languageEnglish (US)
Pages (from-to)1628-1633
Number of pages6
JournalApplied Surface Science
Issue number5
StatePublished - Dec 15 2005

ASJC Scopus subject areas

  • Chemistry(all)
  • Condensed Matter Physics
  • Physics and Astronomy(all)
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films


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