Spin–Spin and Spin–Lattice Equilibrium in TCNQ       ˙    −     NH       4    +     Salt | Zendy

Alizon J. | Zendy; Berthet G. | Zendy; Blanc J. P. | Zendy; Gallice J. | Zendy; Robert H. | Zendy

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Spin–Spin and Spin–Lattice Equilibrium in TCNQ ˙ − NH 4 + Salt

Author(s) -

Alizon J.,

Berthet G.,

Blanc J. P.,

Gallice J.,

Robert H.

Publication year - 1974

Publication title -

physica status solidi (b)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.51

H-Index - 109

eISSN - 1521-3951

pISSN - 0370-1972

DOI - 10.1002/pssb.2220650217

Subject(s) - zeeman effect , paramagnetism , condensed matter physics , spin (aerodynamics) , chemistry , deuterium , electron , salt (chemistry) , electron paramagnetic resonance , relaxation (psychology) , lattice (music) , physics , nuclear magnetic resonance , magnetic field , atomic physics , thermodynamics , nuclear physics , psychology , social psychology , quantum mechanics , acoustics

In order to detect an eventual coupling between the protons of the NH 4 cations and the paramagnetic electrons an investigation is made of the free induction decay and the spin–lattice relaxation time of protons of the TCNQ · NH 4 salt and of the partly deuterated TCNQD 4 · NH 4 , TCNQ · ND 4 salts as functions of temperature. Experimental results are interpreted in terms of two Zeeman reservoirs and make evident an interaction between the paramagnetic electrons and NH 4 protons.

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