Luminescence and second harmonic generation in Eu3+/Eu2+ embedded B2O3: LiNbO3 non-linear glass-ceramics

被引：17
|
作者：
Yadav, T. K. [1 ]
Singh, A. K. [2 ]
Kumar, K. [3 ,4 ]
Yadav, R. A. [1 ]
机构：
[1] Banaras Hindu Univ, Dept Phys, Laser & Spect Lab, Varanasi 221005, Uttar Pradesh, India
[2] Banaras Hindu Univ, Inst Technol, Dept Ceram Engn, Varanasi 221005, Uttar Pradesh, India
[3] Univ Allahabad, Nanotechnol Applicat Ctr, Allahabad 211002, Uttar Pradesh, India
[4] Ist Italiano Tecnol, Ctr Adv Biomat Hlth Care CRIB, I-80125 Naples, Italy
来源：
OPTICAL MATERIALS | 2011年 / 33卷 / 11期
关键词：
Rare-earth ions; Ferroelectric glass-ceramics; Luminescence; SHG; OPTICAL-DETECTION; LITHIUM-NIOBATE; CRYSTALLIZATION; EMISSION; SITES;
D O I：
10.1016/j.optmat.2011.06.002
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Multifunctional europium doped Li2O-Nb2O3-B2O2 glass has been prepared by melt-quench method. Through subsequent heat treatments glass has then been transformed into glass ceramics containing ferroelectric LiNbO3 phase. The glass ceramics have shown enhanced Eu3+ emission compared to parent glass when excited by 266 nm radiation. The emission measurements of glass ceramics have also shown the presence of Eu2+ state along with Eu3+ and Eu2+ state was found to increase when glass was heated in inert atmosphere. Lifetime of the D-5(0) level of the Eu3+ has been measured and a significant increase is found in case of glass ceramic prepared around glass transition temperature. Glass ceramics have also shown good second harmonic generation (SHG) with pulsed 1064 nm laser excitation. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：1732 / 1736
页数：5
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