Abstract:Single
crystals of three new compounds, Na0.36Sr0.82Ge4O9 (1, proposed composition),
Na2SrGe6O14 (2), and
K2SrGe8O18 (3), were
obtained and characterized using single-crystal X-ray diffraction.
Their structures contain three-dimensional (3D) anionic frameworks
built from GeO4 and GeO6 polyhedra. The presence
of octahedral Ge4+ sites makes the new phases suitable
for Mn4+ substitution to obtain red-emitting phosphors
with a potential application for light conversion. Photoluminescence
properties of Mn4+-substit… Show more
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