WebThe oxide-ion conductivity was successfully improved for the apatite-type lanthanum silicate polycrystal by combining the beneficial use of germanium doping and texturing methods. We synthesized the highly c-axis-oriented polycrystalline material La9.33(Si0.87Ge0.13)6O26 by isothermal heating of the sandwich-type … WebDune alignment was studied for five divergence angles (the angle between the two flow directions): 45°, 67–5°, 90°, 112–5° and 135°. The flow depth during all experiments was approximately 30 cm; mean velocity was approximately 50 cm s -1 and mean grain diameter was 0–6 mm. Each experiment continued for 30–75 min, during which time ...

Interstellar Grain Alignment - USRA

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Observations Reveal How Interstellar Dust Grains Align

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