Main Question or Discussion Point
Attached is the SEM microstructure of Barium strontium Titanate (BST) to which has been added over 2% borate so as to increase the grain size. The image clearly shows abnormal grain growth and the grains are huge - around a 100 um. But also visible in the image are these tails that emanate from the grains. Does anyone have any guess as to what that is?
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