Effect of Microgravity on Interface Structural Features in Space Crystal Growth
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Abstract
The distribution of Ca2+ at boundary layer of α-LiIO3 crystal grown both in space and on earth was studied by the synchrotron x-ray fluorescence microanalysis. It was found that: (1) the Ca2+ concentration in the space-crystal is higher than that in the earth-crystal, (2) a sharp discontinuity of Ca2+ concentration is found at boundary layers of space-crystals alone. This finding provides an evidence of microgravity effect on interface structural features in space crystal growth.
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