Performance of Nd3+ As Structural Probe of Rare-Earth Distribution in Transparent Nanostructured Glass-Ceramics

被引：1

作者：

Balda, Rolindes ^{[1
,2
]}

Gorni, Giulio ^{[3
]}

Velazquez, Jose J. ^{[3
]}

Pascual, Maria J. ^{[3
]}

Duran, Alicia ^{[3
]}

Fernandez, Joaquin ^{[1
,2
]}

机构：

[1] Univ Pais Vasco UPV EHU, Escuela Super Ingn, Dept Fis Aplicada 1, Bilbao, Spain

[2] Univ Basque Country, CSIC, Ctr Phys Mat, San Sebastian, Spain

[3] CSIC, Inst Ceram & Vidrio, Madrid, Spain

来源：

QUANTUM NANO-PHOTONICS | 2018年

关键词：

Glass-ceramics; Neodymium; Site-selective laser spectroscopy; LUMINESCENCE BEHAVIOR; EMISSION; NANOCRYSTALS; ER3+; IONS; CRYSTALLIZATION; INTENSITIES; SPECTRA; LAF3;

D O I：

10.1007/978-94-024-1544-5_16

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Nanostructured glass-ceramics obtained by the adequate heat treatment of a Nd3+-doped glass with composition SiO2-Al2O3-Na2O-LaF3 have been investigated by several techniques. X-ray diffraction (XRD) and high resolution transmission electron microscopy (HR-TEM) show that the precipitated nanocrystals are LaF3 with a crystal size between 9 and 13 nm. Furthermore, energy dispersive X-ray (EDX) analysis shows the incorporation of Nd3+ ions into the LaF3 nano-crystals. A detailed optical characterization clearly shows that Nd3+ ions in glass-ceramics are incorporated in both crystalline and amorphous phases. Steady-state and time-resolved site-selective laser spectroscopies allow to isolate unambiguously the emission of Nd3+ ions in LaF3 nanocrystals which shows extremely well defined spectra, similar to those obtained for pure LaF3 crystal.

引用

页码：297 / 313

页数：17

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