Heavily doped metal oxides and methods for making the same
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United States of America Patent
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Sep 1, 2015
Grant Date -
Dec 8, 2011
app pub date -
May 13, 2009
filing date -
May 29, 2008
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Abstract
A method of making a doped metal oxide includes heating a first doped metal oxide by rapid thermal annealing, to form a second doped metal oxide. The crystal structure of the second doped metal oxide is different from the crystal structure of the first doped metal oxide. The method may provide a doped titanium oxide, where the atomic ratio of dopant nonmetal to titanium is from 2% to 20%, and at least 10% of the doped titanium oxide is in the rutile phase. The method also can provide a doped tin oxide, where the atomic ratio of dopant nonmetal to tin is from 2% to 20%, and at least 50% of 900 the doped tin oxide is in the rutile phase.
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