T. Ohno, S. Ii, N. Shibata, K. Matsunaga, Y. Ikuhara and T. Yamamoto, “High resolution Microscopy study for [001] symmetric tilt boundary with a tilt angle of 66 degrees in rutile-type TiO2 bicrystal,” Mater. Trans., (2004) 45 (7), 2117-2121.

N. Shibata, F. Oba, T. Yamamoto and Y. Ikuhara, “Structure, energy and solute segregation behavior of [110] symmetric tilt grain boundaries in yttria stabilized cubic zirconia,” Philos. Mag., (2004)84[23], 2381-2415.

H. Yoshida, K. Yokoyama, N. Shibata, Y. Ikuhara and T. Sakuma, “High-temperature grain boundary and grain boundary energy in cubic sliding behavior zirconia bicrystals,” Acta Mater., (2004)52 (8): 2349-2357.

N. Shibata, S.J. Pennycook, T.R. Gosnell, G.S. Painter, W.A. Shelton and P.F. Becher, “Observation of rare-earth segregation in silicon nitride ceramics at subnanometre dimensions,” Nature, (2004) 428 730-733.