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Journal of Inorganic Materials

Journal of Inorganic Materials >

2007 , Vol. 22 >Issue 2: 373 - 376

DOI: https://doi.org/10.3724/SP.J.1077.2007.00373

Research Paper

Low Temperature Spectral Properties of Several Pr3+ Doped Borates under VUV Excitation

  • FU Yi-Bing ,
  • ZHANG Guo-Bin ,
  • WU Wen-Qing ,
  • QI Ze-Ming ,
  • SHI Jun-Yan ,
  • SHI Chao-Shu
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  • 1. National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230029, China; 2. Department of physics, University of Science and Technology of China, Hefei 230026, China

Received date: 2006-04-20

  Revised date: 2006-06-05

  Online published: 2007-03-20

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Abstract

Low temperature spectra of SrB4O7:Pr3+, LaB3O6:Pr3+ and LaMgB5O10:Pr3+
were investigated by synchrotron radiation VUV light. Under VUV excitation,
photon cascade emission was found in SrB4O7:Pr3+, LaB3O6:Pr3+ and LaMgB5O10:Pr3+. All peaks in emission spectra were assigned. Because high phonon energy in borates results in non-radiative relaxation between 3P0 and 1D2 states of Pr3+, the second step emission 3P0→3HJ is very low in SrB4O7:Pr3+ and even is absent in LaB3O6:Pr3+ and LaMgB5O10:Pr3+. In the excitation spectra of LaB3O6:Pr3+ and LaMgB5O10:Pr3+, along with the 4f5d absorption bands, a weak line due to 3H4→ 1S0 transition also was detected. From the position of 3H4→ 1S0 transition, the energy difference of 1S0 state and the lowest 4 f5d state was determined.

Key words： Pr3+ ion; photon cascade emission; VUV excitation; low temperature spectra

Cite this article

FU Yi-Bing , ZHANG Guo-Bin , WU Wen-Qing , QI Ze-Ming , SHI Jun-Yan , SHI Chao-Shu . Low Temperature Spectral Properties of Several Pr3+ Doped Borates under VUV Excitation[J]. Journal of Inorganic Materials, 2007 , 22(2) : 373 -376 . DOI: 10.3724/SP.J.1077.2007.00373

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