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Recent development of fabricating small core single-crystal silicon and germanium optical fibers using a visible laser crystallization technique is reviewed. These fibers have potential applications in fiber-based nonlinear optical devices and optoelectronic applications.
Deuterium isotopologues of the ionic liquid (IL) 1–n‐butyl‐3‐methylimidazolium chloride ([C4mim]Cl) sequentially labeled on the C‐1″, C‐1′, C‐2′, C‐3′, and C‐4′ positions of the N‐alkyl groups were prepared following a strategy that minimizes the number of distinct reactions through the use of analogous synthetic routes. In several cases, good yields after the initial deuterium incorporation reaction...
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