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Intense violet–blue emission and paramagnetism of nanocrystalline Gd3+ doped ZnO ceramics
Sambasivam S.4; Joseph D.P.6; Asiri Naidu S.5; Hui K.N.3; Hui K.S.2; Choi B.C.4
2015-12-01
Source PublicationJournal of Advanced Ceramics
ISSN22278508 22264108
Volume4Issue:4Pages:300-306
AbstractNanocrystalline ZnGdO (x = 0, 0.02, 0.04, 0.06, and 0.08) ceramics were synthesized by ball milling and subsequent solid-state reaction. The transmission electron microscopy (TEM) micrograph of as synthesized samples revealed the formation of crystallites with an average diameter of 60 nm, and the selected area electron diffraction (SAED) pattern confirmed the formation of wurtzite structure. A red shift in the band gap was observed with increasing Gd concentration. The photoluminescence of nanocrystalline Gd doped ZnO exhibited a strong violet–blue emission. Concentration dependence of the emission intensity of Gd in ZnO was studied, and the critical concentration was found to be 4 mol% of Gd. The Gd doped ZnO exhibited paramagnetic behavior at room temperature, and the magnetic moment increased with Gd concentration.
Keywordnano-ceramics rare earth element semiconductors X-ray diffraction (XRD)
DOI10.1007/s40145-015-0164-y
URLView the original
Language英語
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Cited Times [WOS]:5   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Affiliation1.Velammal Institute of Technology
2.Hanyang University
3.Universidade de Macau
4.Pukyong National University
5.Rajiv Gandhi University
6.National Institute of Technology, Warangal
Recommended Citation
GB/T 7714
Sambasivam S.,Joseph D.P.,Asiri Naidu S.,et al. Intense violet–blue emission and paramagnetism of nanocrystalline Gd3+ doped ZnO ceramics[J]. Journal of Advanced Ceramics,2015,4(4):300-306.
APA Sambasivam S.,Joseph D.P.,Asiri Naidu S.,Hui K.N.,Hui K.S.,&Choi B.C..(2015).Intense violet–blue emission and paramagnetism of nanocrystalline Gd3+ doped ZnO ceramics.Journal of Advanced Ceramics,4(4),300-306.
MLA Sambasivam S.,et al."Intense violet–blue emission and paramagnetism of nanocrystalline Gd3+ doped ZnO ceramics".Journal of Advanced Ceramics 4.4(2015):300-306.
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