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. 2012 Nov 7;7(11):e49182. doi: 10.1371/journal.pone.0049182

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© 2012 Qiao et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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The XAS lineshape of Li₂CO₃ (from top to bottom) evolve towards that of Li₂O (red) after exposed to the soft x-rays. Each spectrum was taken with 10 minute x-ray exposure. The bottom panel shows the Li₂CO₃ Li K-edge XAS spectrum collected from a new spot B on the same sample.