A very interesting structure switching phenomenon between K(2)Ti(2)O(5) and K(2)Ti(6)O(13) caused by gas phase molecular NO(2) adsorption and desorption at 500-600 degrees C is revealed, during which NO(2) is adsorbed on the lattice K(+) ion sites to form KNO(3) and the loss of K causes the remainder to regroup into nano-sized K(2)Ti(6)O(13), with a lower K/Ti value.
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| http://dx.doi.org/10.1039/b909455e | DOI Listing |
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