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(Color online) (a) Experimental schematic showing electrical connections and tip construction (lower part of the tip is shown as a cut-away section). (b) An overview of the apparatus with the illumination LED removed to allow a view of the tip (indicated by dashed ellipse). (c) Close up view (reverse angle) of the tip showing the illumination LED and the microscope objective used for monitoring.
SEM image of electrospun nanoscale glass fibers. Typical fiber widths are ∼100 nm.
SEM image of a more uniform, isolated strand. The width of the strand is ∼100 nm.
(Color online) (a) Temperature dependent viscosity and conductivity data for B2O3 reported in the literature: ▾ = Macedo,16 + = Mackenzie,17 ○ = Srinivasan,18 × = Srinivasan,18 and ▪ = Brandes.19 (b) Temperature dependent surface tension data for B2O3 from Δ = Fujino20 and • = Janz.21 The horizontal chain line shows the surface tension of water at 20 °C. In both plots the vertical dashed line indicates the current experimental operating temperature of 850 °C.
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