R. Ghez, M.B. Small
JES
Observed structure in the real part of the conductivity σ (ω) for the two elements Eu and Ba has been assigned to optical interband transitions with the help of recent energy-band calculations. © 1966.
R. Ghez, M.B. Small
JES
J.H. Stathis, R. Bolam, et al.
INFOS 2005
Lawrence Suchow, Norman R. Stemple
JES
R.W. Gammon, E. Courtens, et al.
Physical Review B