Extraction-Pyrolytic Synthesis and Luminescent Properties of Borates La0.95Eu0.05BO3 : Sm and La0.95Eu0.05(BO2)3 : Sm
N. I. Steblevskaya,
M. V. Belobeletskaya
Abstract:Orthoborates La0.95–хEu0.05SmхBO3 and metaborates La0.95 – хEu0.05Smх(BO2)3 (х = 0.025, 0.05, 0.075, 0.1) have been obtained under optimal conditions by extraction-pyrolytic method at lower temperature and shorter time as compared with the known methods. Increase in Sm3+ ion concentration leads to decrease of unit cell volume in La0.95 – хEu0.05SmхBO3 (aragonite structural type) and La0.95 – хEu0.05Smх(BO2)3 (monoclinic modification of α type). The larges changes in luminescence excitation spectra of the compo… Show more
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