articleCrystal Growth & DesignFeb 12, 2026Closed access

Lattice Structure and Pure Green Upconversion Luminescence of a BiTa 7 O 19 :Er 3+ /Yb 3+ Single Crystal

XLXu LiuYCYongze CaoWMWangzhong MuTCTian ChenHZHailong Zhang

Dalian Maritime University · KTH Royal Institute of Technology · +4 more institutions

Indexed incrossref

Abstract

Using K2Mo3O10 and B2O3 as the solvent and BiTa7O19:Er3+/Yb3+ powder as the precursor, BiTa7O19:Er3+/Yb3+ single crystals were synthesized by the molten salt method in a platinum crucible. Utilizing scanning transmission electron microscopy (STEM) images recorded with a high-angle annular dark field (HAADF) detector and an annular bright field (ABF) detector, it is demonstrated that Er3+/Yb3+ can replace the sites in the (Ta/Bi)O6 layer and can also exist in the interstices between the (Ta/Bi)O6 layer and the TaO7 layer. BiTa7O19:Er3+/Yb3+ in the (Ta/Bi)O6 layer has a disordered structure and belongs to the P63/mcm (193) space group, rather than the ordered P6̅c2 (188) space group. Since three-layer TaO7…

Citation impact

5
total citations
FWCI
30.23
Percentile
100%
References
50
Too recent for citation history.

Authors

13

Topics & keywords

Topics
Keywords
  • Stacking
  • Single crystal
  • Laser
  • Photon upconversion
  • Crystal structure
  • Analytical Chemistry (journal)
  • Transmission electron microscopy
No related works found for this paper.

Funding