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Direct imaging of inhomogeneous distribution of Er3+ ions in lead fluoride nanocrystals SCIE SCOPUS
- Title
- Direct imaging of inhomogeneous distribution of Er3+ ions in lead fluoride nanocrystals
- Authors
- Chao Liu; Xiujian Zhao; Heo, J
- Date Issued
- 2013-04-01
- Publisher
- ELSEVIER B.V.
- Abstract
- Er3+-doped lead fluoride nanocrystals (NCs) were precipitated in glasses by heat treatment at 490 degrees C, and the distribution of Er3+ ions inside the NCs was investigated using electron energy loss spectroscopy. Nucleation started with the formation of 2-4-nm-diameter NCs highly enriched in Er3+. With further heat treatment, NCs with inhomogeneous Er3+ distribution grew. Crystal structure in individual fluoride NCs changed from tetragonal to cubic due to the variation in Er3+ concentration. (C) 2013 Elsevier B.V. All rights reserved.
- Keywords
- EELS; Oxyfluoride glass-ceramics; Rare-earth ions; Inhomogeneous distribution; OXYFLUORIDE GLASS-CERAMICS; UP-CONVERSION; FLUORESCENCE; YB3+; CRYSTALLIZATION; SPECTROSCOPY; CRYSTALS; PHASE
- ISSN
- 0022-3093
- Article Type
- Article
- Citation
- Journal of Non-Crystalline Solids, vol. 365, no. 1, page. 1 - 5, 2013-04-01
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Related Researcher
- 허종HEO, JONG
- Div. of Advanced Nuclear Enginrg