Journal
SOLID STATE COMMUNICATIONS
Volume 150, Issue 15-16, Pages 751-754Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ssc.2010.01.027
Keywords
Nanostructures; Chemical synthesis; Point defects; X-ray scattering
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Funding
- Shanghai Education Commissions [09YZ27]
- Shanghai Science and Technology Commission [09dz1203602]
- Program for Changjiang Scholars and Innovative Research Team in University [IRT0739]
- Shanghai Leading Academic Discipline Project [S30107]
- Analysis and Research Center of Shanghai University
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The composition of 2 at% Cr-doped ZnO nanoparticles was synthesized by the hydrothermal method under high magnetic field. Morphologies of the sample obtained under high magnetic field are grown along c-axis direction. The sample prepared under 4 Tesla magnetic field reveals room temperature ferromagnetic behavior, but the sample fabricated under no magnetic field shows paramagnetism. Raman and photoluminescence spectra analysis suggested that the hybridization between Zinc vacancies and Cr dopants contributes to the origin of ferromagnetism in Cr-doped ZnO. (C) 2010 Elsevier Ltd. All rights reserved.
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