Vacuum ultraviolet spectroscopic properties of rare-earth (RE3+=Sm3+, Tb3+, Dy3+)-activated zirconium-based phosphates MZr4(PO4)6 (M2+=Ca2+, Sr2+)

2015 ◽  
Vol 39 ◽  
pp. 251-257 ◽  
Author(s):  
Zhi-Jun Zhang ◽  
Shao-Lin Zhang ◽  
Wei-Bin Zhang ◽  
Yang-Yang Guo ◽  
Woochul Yang ◽  
...  
2009 ◽  
Vol 11 (2) ◽  
pp. 549-555 ◽  
Author(s):  
Zhi-Jun Zhang ◽  
Jun-Lin Yuan ◽  
Hao-Hong Chen ◽  
Xin-Xin Yang ◽  
Jing-Tai Zhao ◽  
...  

ChemInform ◽  
2009 ◽  
Vol 40 (19) ◽  
Author(s):  
Zhi-Jun Zhang ◽  
Jun-Lin Yuan ◽  
Hao-Hong Chen ◽  
Xin-Xin Yang ◽  
Jing-Tai Zhao ◽  
...  

2007 ◽  
Vol 102 (9) ◽  
pp. 093514 ◽  
Author(s):  
Z. J. Zhang ◽  
J. L. Yuan ◽  
C. J. Duan ◽  
D. B. Xiong ◽  
H. H. Chen ◽  
...  

Nanoscale ◽  
2021 ◽  
Author(s):  
Gabriela Guida ◽  
Steven Huband ◽  
Marc Walker ◽  
Richard I. Walton ◽  
Paulo C. de Sousa Filho

The mechanisms of a one-pot colloidal conversion of hydroxycarbonate templates into vanadate nanoparticles were investigated, with further correlation of Eu3+ spectroscopic properties to particle size, texture, nanocrystallinity, and defect density.


2003 ◽  
Vol 102-103 ◽  
pp. 395-401 ◽  
Author(s):  
I. Földvári ◽  
E. Beregi ◽  
A. Baraldi ◽  
R. Capelletti ◽  
W. Ryba-Romanowski ◽  
...  

Author(s):  
Lam Thi Ngoc Tran ◽  
Damiano Massella ◽  
Lidia Zur ◽  
Alessandro Chiasera ◽  
Stefano Varas ◽  
...  

The development of efficient luminescent systems, such as microcavities, solid state lasers, integrated optical amplifiers, optical sensors is the main topic in glass photonics. The building blocks of these systems are glass-ceramics activated by rare earth ions because they exhibit specific morphologic, structural and spectroscopic properties. Among various materials that could be used as nanocrystals to be imbedded in silica matrix, tin dioxide presents some interesting peculiarities, e.g. the presence of tin dioxide nanocrystals allows increase in both solubility and emission of rare earth ions. Here, we focus our attention on Er3+ - doped silica – tin dioxide photonic glass-ceramics fabricated by sol-gel route. Although the SiO2-SnO2:Er3+ could be fabricated in different geometrical systems: thin films, monoliths and planar waveguides we herein limit ourselves to the monoliths. The effective role of tin dioxide as luminescence sensitizer for Er3+ ions is confirmed by spectroscopic measurements and detailed fabrication protocols are discussed.


The theory that has been developed for rare-earth ions in crystals is here applied to the double nitrates. The paramagnetic resonance data and certain spectroscopic properties of the different rare-earth double nitrates, depending as they do on the crystalline electric field at a rare-earth ion, are related to the six parameters through which the field is defined. It is found that most of the experimental results can be fitted to values of the parameters that vary in a systematic fashion along the rare-earth series.


2014 ◽  
Vol 69 (6) ◽  
Author(s):  
A. Noranizah ◽  
K. Azman ◽  
H. Azhan ◽  
E. S. Nurbaisyatul ◽  
A. Mardhiah

This work focuses on the spectroscopic study of RE3+ ion, namely, trivalent neodymium (Nd3+) doped lead borotellurite glass with a composition of TeO2-B2O3-PbO. The glass sample has been prepared by conventional melt-quenching technique. The density, molar volume and optical energy band gap of these glasses have been measured. The refractive index, molar refraction and polarizability of oxide ion have been calculated by using Lorentz-Lorentz relations. The absorption spectra are recorded using UV-Vis-NIR spectrometer in the range of 200-900 nm.


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