Structural Phase Transition and Magnetic-Field Effect on the Modulated Structure inGdBaCo2O5+δ(δ<0.5) (Structural Phase Transition and Magnetic-Field Effect on the Modulated Structure in GdBaCo2O5þ ( < 0:5))
T. Asaka, N. Abe, T. Kudo, K. Fukuda, K. Kimoto, Y. Matsui, N. Ishizawa, T. Arima.