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Ferroelectrics Volume 410, 2010 - Issue 1
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SECTION K2: MULTIFERROICS AND APPLICATIONS

Optical Study of Tb2(MoO4)3 Crystal

Song Peng National Laboratory of Solid State Microstructures and Department of Physics, Nanjing University, Nanjing, 210093, China
,
Wei Cai National Laboratory of Solid State Microstructures and Department of Physics, Nanjing University, Nanjing, 210093, China
,
Xiaofei Wang National Laboratory of Solid State Microstructures and Department of Physics, Nanjing University, Nanjing, 210093, China
,
Yi Kan National Laboratory of Solid State Microstructures and Department of Physics, Nanjing University, Nanjing, 210093, China
,
Fengzhen Huang National Laboratory of Solid State Microstructures and Department of Physics, Nanjing University, Nanjing, 210093, China
,
Min Xu National Laboratory of Solid State Microstructures and Department of Physics, Nanjing University, Nanjing, 210093, China
,
Huaijin Zhang National Laboratory of Solid State Microstructures and Department of Physics, Nanjing University, Nanjing, 210093, China
,
Jiyang Wang National Laboratory of Solid State Microstructures and Department of Physics, Nanjing University, Nanjing, 210093, China
,
Xiaomei Lu National Laboratory of Solid State Microstructures and Department of Physics, Nanjing University, Nanjing, 210093, China
&
Jinsong Zhu National Laboratory of Solid State Microstructures and Department of Physics, Nanjing University, Nanjing, 210093, China
 show all
Pages 69-74 | Received 23 Aug 2009, Published online: 20 Jan 2011
 
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Abstract

Some optical properties for a novel ferroelectric and ferroelastic multiferroic material Tb2(MoO4)3 crystal have been studied. The transmission spectrum of Tb2(MoO4)3 reflects the band gap is about 3.76 eV and a large absorption peak at 486 nm is observed. The photoluminescence of the Tb2(MoO4)3 is measured and the peaks at 490 nm, 540 nm, 580 nm, 615 nm respectively are now observed. These peaks are attributed to the electronic transitions of Tb3+ ions. The strongest photoluminescence intensity is excitated by the light of 486 nm which is mainly caused by the energy absorption at 486 nm indicated in transmission spectrum. The Raman spectrum of the Tb2(MoO4)3 is observed and the vibration modes corresponding to the phonon peaks are analyzed.

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