Fabrication and optical characterization of stable suspensions of iron- or copper-doped lithium niobate nanocrystals in heptane |
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| Authors: | JR Schwesyg HA Eggert K Buse E Śliwińska S Khalil M Kaiser K Meerholz |
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| Institution: | (1) Institute of Physics, University of Bonn, Wegelerstr. 8, 53115 Bonn, Germany;(2) Institute of Physical Chemistry, University of Cologne, Luxemburgerstr. 116, 50939 Cologne, Germany |
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| Abstract: | Stable suspensions of iron- or copper-doped lithium niobate nanocrystals in heptane are prepared by high-energy ball milling
of iron- and copper-doped bulk crystals for 25 h. The distribution of particle sizes is determined by means of dynamic light
scattering with more than 90% of the crystals in the range of 10–25 nm. The optical absorption of the suspensions suggests
a changed environment of the dopants.
PACS 77.84.Nh; 78.67.Bf; 81.07.-b |
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