Magnetic and optical properties of monosized Eu-doped ZnO nanocrystals from nanoemulsion

Hayoung Yoon, Jun Hua Wu, Ji Hyun Min, Ji Sung Lee, Jae Seon Ju, Young-geun Kim

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

We report the synthesis and characterization of monosized Eu-doped ZnO nanocrystals via a nanoemulsion process as a function of the doping ratio. The structure, optical, and magnetic properties of the nanocrystals are investigated by XRD, TEM, PL spectrometry, and physical property measurement system. The nanocrystals as prepared show high crystallinity and tight particle size distributions with the diameters of ∼ 10 nm. The doped samples clearly exhibit the 5D 07F J transition emission due to the presence of the Eu 3+ ions. Meanwhile, the magnetic responses demonstrate the temperature dependence and change with dopant concentration.

Original languageEnglish
Article number07B523
JournalJournal of Applied Physics
Volume111
Issue number7
DOIs
Publication statusPublished - 2012 Apr 1

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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