Nuclear spin relaxation in paramagnetic systems with zero-field splitting and arbitrary electron spinElectronic Supplementary Information available. See http://www.rsc.org/suppdata/cp/b1/b106659p/

2001 ◽  
Vol 3 (22) ◽  
pp. 4907-4917 ◽  
Author(s):  
Danuta Kruk ◽  
Tomas Nilsson ◽  
Jozef Kowalewski
Keyword(s):  
Spin Relaxation ◽  
Nuclear Spin ◽  
Supplementary Information ◽  
Nuclear Spin Relaxation ◽  
Zero Field ◽  
Zero Field Splitting ◽  
Field Splitting

Electron and nuclear spin relaxation in paramagnetic transition-metal complexes with S = 1. The effects of a non-zero average zero-field splitting on the spin energy levels

1978 ◽  
Vol 31 (3) ◽  
pp. 475 ◽  
Author(s):  
DT Pegg ◽  
DM Doddrell
Keyword(s):  
Transition Metal Complexes ◽  
Spin Relaxation ◽  
Energy Levels ◽  
Nuclear Spin Relaxation ◽  
Zero Field ◽  
Zero Field Splitting ◽  
Field Splitting ◽  
Electron Spin Relaxation ◽  
Spin Lattice ◽  
Splitting Constant

The effects of a non-zero average zero-field splitting on electron spin relaxation in paramagnetic (S = 1) complexes is treated theoretically. The spin-lattice interaction is postulated to be a simple scalar P(t). S process with correlation time Ti. This process is assumed not to modulate the zero-field splitting which, however, is modulated by the molecular tumbling. The frequency dependence of the nuclear relaxation time (Tl) now depends on the magnitude of the zero-field splitting constant (D), and, for large values of D, the value of T1 is independent of the applied field strength.

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