Journal
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
Volume 15, Issue 12, Pages 9741-9745Publisher
AMER SCIENTIFIC PUBLISHERS
DOI: 10.1166/jnn.2015.10345
Keywords
Nanoparticles; Nd3+:CaF2; Doping Concentration; Optical Performance
Categories
Funding
- National Natural Science Foundation of China [51072144]
- State Key Program of National Natural Science Foundation of China [51432007]
- Project for Science and Technology Plan of Wuhan City [201210231092]
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The Ca1-xF2+x:Nd-x nanoparticles were synthesized by chemical direct precipitation method. X-ray Diffraction (XRD), Scanning Electron Microscopy (SEM), Image analyzer, absorption spectrum and transmittance were taken to characterization the phases, morphologies, sizes, size distribution and optical properties of the samples. The results indicate that the Ca1-xF2+x:Nd-x samples can be rationally modified in size and morphology by altering the Nd3+ ions doping concentration. With increasing concentration of Nd3+ ions, the particle size decreased from 24 to 14 nm, the intensity of the diffraction peaks decreased, the Ca1-xF2+x:Nd-x particles aggregated ion of the formed clusters which should have an effect on both speed and orientation of the particles growth. The transmittance of ceramics with a thickness of 2 mm showed that the transmittance can reach 90% when the doping concentration was 5%, which should be profitable for LD pumping.
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