T. Hayakawa

Lifetime for 5D4 → 7F5 emission in heavily Tb3+-doped superparamagnetic glasses

Kazuhiro Yamada, N. Kamata, F. Maruyama, 1997 .

Visible emission characteristics in Tb3+-doped fluorescent glasses under selective excitation

Kazuhiro Yamada, N. Kamata, T. Hayakawa, 1996 .

Theory of donor fluorescence governed by discrete energy transfers between rare-earth ions in glasses

N. Kamata, T. Hayakawa, K. Tonooka, 1997 .