Citation: PAN Jian-Fu, LI Ling-Yun, YU Yan, ZHANG Li-Zhen, WANG Guo-Fu. Crystal Growth, Spectroscopic Properties and Energy Levels of Cr³⁺: Li₂Mg₂(MoO₄)₃[J]. Chinese Journal of Structural Chemistry, ;2015, 34(12): 1927-1934. doi: 10.14102/j.cnki.0254-5861.2011-0928 shu

Crystal Growth, Spectroscopic Properties and Energy Levels of Cr³⁺: Li₂Mg₂(MoO₄)₃

PAN Jian-Fu ^a,b ,
LI Ling-Yun ^a,b ,
YU Yan ^a,b ,
ZHANG Li-Zhen ^c ,
WANG Guo-Fu ^c

a.
a. College of Materials Science and Engineering, Fuzhou University, Fuzhou 350116, China;
b.
b. Key Laboratory of Eco-materials Advanced Technology (Fuzhou University), Fujian Province University, Fuzhou 350002, China;
c.
c. Key Laboratory of Optoelectronics Material Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China

Received Date: 5 August 2015
Available Online: 19 September 2015
Fund Project:

This paper reported the crystal growth and spectroscopy characters of Cr³⁺: Li₂Mg₂(MoO₄)₃. The refractive index of Cr³⁺: Li₂Mg₂(MoO₄)₃ crystal is 1.87 and the hardness is 270 HV. This crystal shows broadband absorption property with peak wavelength at about 495 and 699 nm. The absorption crosssection is 14.75×10^-20 cm² at 495 nm and 9.63×10^-20 cm² at 699 nm, respectively. The crystal field strength and energy levels of Cr³⁺ ion were calculated based on the spectroscopic data. The Cr³⁺: Li₂Mg₂(MoO₄)₃ crystal shows broadband emission extending from 750 to 1300 nm even excited at 10 K. The room temperature emission cross section is 72×10^-20 cm² at 926 nm. A discussion of the relation between the spectroscopic properties and crystal field parameters of Cr³⁺: Li₂Mg₂(MoO₄)₃ crystal was presented based on the solid state spectroscopy theory.
- Cr³⁺: Li₂Mg₂(MoO₄)₃,
- crystal growth,
- broadband emission,
- tunable laser
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