Electron spin-relaxation via vibronic level of nickel (I) and nickel (III) cyanide complexes in NaCl single crystals.
Electron spin-lattice relaxation rates for the low spin [Ni(CN)(4)](1-) and [Ni(CN)(4)](3-) complexes in NaCl host lattice were measured by the inversion recovery technique in the temperature range 7-50K. The data for both paramagnetic species fit very well to a relaxation process involving localized anharmonic vibration modes, also responsible for the g-tensor temperature dependence.
Vugman
N V
NV
Instituto de Física-Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ 21910-240, Brazil. ney@if.ufrj.br
de Araújo
M B
MB
Pinhal
N M
NM
Magon
C J
CJ
da Costa Filho
A J
AJ