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Synthesis and Characterization of a Novel Mechanoluminescence Material NaAlSiO4:Eu2+, Ln3+

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Abstract:

Mechanoluminescence (ML) material is a novel functional material, showing a great potential on stress distribution of buildings, machine parts and other solid components. Novel ML materials NaAlSiO4:Eu2+,Ln3+(Ln=Ho, Nd, Dy) were prepared by a solid-state sintered method, And their microstructure, ML and PL properties were investigated. ML spectra were similar to the PL spectra with an emission band at 550nm, originating from transition 5d-4f of Eu2+, and other three emission peaks at 611 nm, 590nm and 578 nm, respectively ascribed to the transitions of 5D0 →7F2, 5D0 →7F1 and 5D0 →7F0 of Eu3+ ions. Thermoluminescence (ThL) was measured to characterize traps in NaAlSiO4:Eu2+,Ln3+(Ln=Ho, Nd, Dy). Diversity of ThL curves demonstrated co-doped Ln3+ change trap levels in NaAlSiO4:Eu2+.

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Periodical:

Key Engineering Materials (Volume 680)

Pages:

220-223

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.680.220

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Online since:

February 2016

Authors:

Hai Feng Zhao, Xu Sheng Wang*, Xiao Min Feng, Xi Yao

Keywords:

Mechanoluminescence, NaAlSiO4:Eu2+,Ln3+(Ln=Ho, Nd, Dy), Thermoluminescence

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* - Corresponding Author

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