Electric Quadrupolar Contribution to the Nuclear Spin-Lattice Relaxation of Ir in Fe | Zendy

G. Seewald | Zendy; E. Zech | Zendy; H.J. Körner | Zendy; D. Borgmann | Zendy; M. Dietrich | Zendy; ISOLDE Collaboration | Zendy

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Electric Quadrupolar Contribution to the Nuclear Spin-Lattice Relaxation of Ir in Fe

Author(s) -

G. Seewald,

E. Zech,

H.J. Körner,

D. Borgmann,

M. Dietrich,

ISOLDE Collaboration

Publication year - 2002

Publication title -

physical review letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.688

H-Index - 673

eISSN - 1079-7114

pISSN - 0031-9007

DOI - 10.1103/physrevlett.88.057601

Subject(s) - condensed matter physics , relaxation (psychology) , spin–lattice relaxation , electron , electric field , spin–spin relaxation , electric field gradient , magnetic field , materials science , lattice (music) , magnetic relaxation , physics , nuclear magnetic resonance , magnetization , paramagnetism , nuclear physics , psychology , social psychology , quantum mechanics , acoustics

We report on the first quantitative determination of the electric quadrupolar contribution to the nuclear spin-lattice relaxation in a transition metal. For 186Ir and 189Ir in Fe we have determined the magnetic and the electric quadrupolar part of the relaxation for magnetic fields between 0.01 and 2 T. The quadrupolar part gives information on the role of the orbital motion of the electrons for the relaxation process. Our results prove that the unexpected high relaxation rates in Fe and their magnetic field dependence are due to a nonorbital relaxation mechanism.

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