Browsing by Author "Choi Sun-Hee"

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Correlation Between Local Structures and Partial Electronic Band States in Ferroelectric Bi4?Xlaxti3o12; 0.0?X?1.46

Hidaka, M.; Wijesundera, R.P.; Kumara, L.S.R.; Noguchi, Y.; Miyayama, M.; Choi Sun-Hee; Sung, N.E.; Kim, M.G. (Ceramics-Silik�ty, 2009)

The local structures and the partial band states near a Fermi level (EF) have been studied at room temperature in the ferroelectric phase of Bi4?XLaXTi3O12 (BLT) with 0.00?x?1.46 by means of X?ray absorption spectra (XAS) ...
Electronic states and local structures of Cu ions in electrodeposited thin films of Cu and Cu2O from X-ray absorption spectra

Wijesundera, R.P.; Hidaka, M.; Siripala, W.; Choi Sun-Hee; Sung, N.E.; Kim, M.G.; Lee, J.M. (Physica Status Solidi b (basic solid sates physics), 2006)

X-ray absorption spectra near Cu K edges have been obtained for Cu and Cu2O thin films potentiostatically electrodeposited in an acetate bath. The electronic states of Cu ions and the local structures around these ions are ...
Metal-insulator transition induced by electronic and structural modulations in oxygen-deficient perovskite-type TbBaCo2O5.5

Hidaka, M.; Soejima, M.; Wijesundera, R.P.; Soda, M.; Sato, M.; Choi Sun-Hee; Sung, N.E.; Kim, M.G.; Lee, J.M. (Physica Status Solidi b (basic solid state physics), 2006)

The metal?insulator (M?I) transition at about 340 K (TMI) in TbBaCo2O5.5 has been investigated by X-ray absorption spectra near Tb-LIII, Ba-LII, and Co-K edges. In the metallic and insulating phases, the high-density ...

Browsing by Author "Choi Sun-Hee"

Browsing by Author "Choi Sun-Hee"

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