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Article: New physics study findings have been published by scientists at Kyoto University.
- Article from:
- Physics Week
- Article date:
- June 16, 2009
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"Atomic structures and ionic substitutions in sodium titanate (Na2-xHxTi3O7), having Ti3O7 sheetlike layers with Na+ and H+ in between, were investigated by first-principles calculations," scientists in Kyoto, Japan report.
"The formation energies via ion exchange of Na+ and H+ were analyzed by using the supercell total energies and ionic chemical potentials determined with the aid of experimental thermodynamic data. It was found that ionic substitutions of Na+ by H+ take place even in alkaline solution conditions as found in previous experiments," wrote M. Mori and colleagues, Kyoto University.
The researchers concluded: "In addition, the bonding ...
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