K. Fossheim, K. Kajimura, et al.
Physical Review B
Stimulated polarization echoes with decay time, T1, exceeding one minute at room temperature have been detected in powders of ferromagnetic materials. © 1976.
K. Fossheim, K. Kajimura, et al.
Physical Review B
R.L. Melcher, N.S. Shiren
Physical Review Letters
R.L. Melcher
Physical Review Letters
F.H. Dacol, H. Ermert, et al.
Scanning Electron Microscopy