R. Fischer, U. Heim, et al.
Physical Review Letters
No abstract available.
R. Fischer, U. Heim, et al.
Physical Review Letters
M. Zelikson, K. Weiser, et al.
Journal of Non-Crystalline Solids
J.M. Woodmall, J.F. Woods
Solid State Communications
T.S. Plaskett, J.F. Woods
Journal of Crystal Growth