Ferromagnetism from co-doped ZnO nanocantilevers above room temperature

Shao Min Zhou, Peng Wang, Sheng Li, Bin Zhang, He Chun Gong, Zu Liang Du

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

At low temperature (400°C), chemical vapour deposition (CVD) is employed to make comb-like Co-doped ZnO nanocantilever arrays (NAs). The magnetization curves of the as-synthesized Co-doped ZnO NAs indicate the existence of above-room-temperature ferromagnetism (ARTFM) (Curie temperature, Tc > 300 K) whereas un-doped ZnO NAs does not. The corresponding ferromagnetic source mechanism is discussed, in which defects play an important role due to the strong green light emission.

Original languageEnglish
Pages (from-to)4446-4448
Number of pages3
JournalChinese Physics Letters
Volume25
Issue number12
DOIs
StatePublished - 1 Dec 2008
Externally publishedYes

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