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Luminescence of alkali rare earth borates A3Ln(BO3)2 (A = Na, K; Ln = Eu, Tb)

Journal Article · · Solid State Sciences
 [1];  [2];  [2];  [2];  [3];  [2]
  1. Center for Hierarchical Waste Form Materials, Columbia, SC (United States); University of South Carolina, Columbia, SC (United States); OSTI
  2. Center for Hierarchical Waste Form Materials, Columbia, SC (United States); University of South Carolina, Columbia, SC (United States)
  3. Clemson Univ., SC (United States)
Single crystals of a series of rare earth borates, A3Ln (BO3) (A = Na, K; Ln = Eu, Tb), were synthesized using a boric acid/hydroxide melt. The Na3Ln (BO3)2 borates crystallized in the monoclinic system with space group P21/n, and the K3Ln (BO3)2 borates crystallized in the orthorhombic system with space group Pnma. Here, the luminescence of these borates was investigated under ultraviolet and X-ray excitations for the first time. Radioluminescence (RL) measurements showed K3Tb(BO3)2 to be the brightest compound, with an integral intensity equal to 55% of the integral emission of Bi4Ge3O12 (BGO) powder.
Research Organization:
Univ. of South Carolina, Columbia, SC (United States)
Sponsoring Organization:
National Science Foundation (NSF); USDOE Office of Science (SC), Basic Energy Sciences (BES); USDOE Office of Science (SC), Basic Energy Sciences (BES). Materials Sciences & Engineering Division (MSE)
Grant/Contract Number:
SC0016574
OSTI ID:
2420553
Alternate ID(s):
OSTI ID: 1958929
Journal Information:
Solid State Sciences, Journal Name: Solid State Sciences Journal Issue: C Vol. 138; ISSN 1293-2558
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English

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