Antipin A.; Kazakov B.; Korableva S.; Rakhmatullin R.; Chirkin Y.; Fedii A.
(1978)
The temperature dependences of the spin-lattice relaxation of rare-earth ions (RE3+) are investigated in YLiF4 single crystals. The EPR spectra of Er3+ and Dy3+ are detected and studied at the excited levels of the ground ...