Magnetic properties of Mn doped ZnO tetrapod structures

  • V. A.L. Roy
  • , A. B. Djurišić
  • , H. Liu
  • , X. X. Zhang
  • , Y. H. Leung
  • , M. H. Xie
  • , J. Gao
  • , H. F. Lui
  • , C. Surya

Research output: Contribution to journalArticlepeer-review

209 Citations (Scopus)

Abstract

The magnetic properties of manganese (Mn) doped zinc oxide (ZnO) tetrapod structures were studied by diffusion doping at temperatures 600 and 800°C. The samples showed clear magnetic hysteresis at 5K and Curie temperature was determined to be ∼50 K. The sample diffused at 600 °C exhibited higher Mn concentration and higher remnant magnetization at 5 K. The samples exhibited very high coercive field, which is about one order of magnitude higher compared to values reported for ZnO:Mn thin films.

Original languageEnglish
Pages (from-to)756-758
Number of pages3
JournalApplied Physics Letters
Volume84
Issue number5
DOIs
Publication statusPublished - 2 Feb 2004
Externally publishedYes

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