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Issue 38, 2018
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The first investigation of europium silicate melilite for second-order nonlinear optical application: experimental and theoretical studies

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Abstract

A europium pyrosilicate, Eu2MgSi2O7 (1), is obtained using a high-temperature solid-state reaction. It crystallizes in the tetragonal noncentrosymmetric space group P[4 with combining macron]21m, and its structure features a 2D structure built by SiO4 and MgO4 tetrahedra, resulting in interlayer cavities occupied by Eu2+ ions. It has a SHG intensity around 0.7 times that of KTP in the particle size range of 45–75 μm under 2.1 μm radiation, demonstrating a relatively strong effect among the silicates. A typical photoluminescence phenomenon of Eu2+ can be observed at 482 nm. Calculations on the electronic structure and optical properties of 1 are performed. Moreover, to discuss the potential of pyrosilicates and related compounds as NLO crystals, the theoretical analysis on other A2BM2O7 compounds is also addressed.

Graphical abstract: The first investigation of europium silicate melilite for second-order nonlinear optical application: experimental and theoretical studies

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Publication details

The article was received on 03 Jul 2018, accepted on 20 Aug 2018 and first published on 20 Aug 2018


Article type: Paper
DOI: 10.1039/C8DT02701C
Dalton Trans., 2018,47, 13434-13441

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    The first investigation of europium silicate melilite for second-order nonlinear optical application: experimental and theoretical studies

    Y. Chi, H. Xue and S. Guo, Dalton Trans., 2018, 47, 13434
    DOI: 10.1039/C8DT02701C

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