Superparamagnetism found in diluted magnetic semiconductor nanowires: Mn-doped CdSe

Chih Chang Chen, Yung-Jung Hsu*, Yi Feng Lin, Shih Yuan Lu

*Corresponding author for this work

Research output: Contribution to journalArticle

30 Scopus citations

Abstract

Diluted magnetic semiconductor (DMS) nanowires (NWs), Mn-doped CdSe, were successfully prepared in a gold-catalyzed vapor-transport deposition process. It was demonstrated for the first time that upon incorporation of Mn of very limited concentrations, the CdSe NWs exhibited enhanced ferromagnetism at T < 40 K and turned superparamagnetic at relatively high temperatures. This finding would extend the application range of DMS NWs into the biolabeling and bioimaging fields.

Original languageEnglish
Pages (from-to)17964-17968
Number of pages5
JournalJournal of Physical Chemistry C
Volume112
Issue number46
DOIs
StatePublished - 20 Nov 2008

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