Nuclear magnetic resonance of 55Mn in the antiferromagnet CsMnBr3 in a variable longitudinal magnetic field |
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| Authors: | B S Dumesh M I Kurkin S V Petrov A M Tikhonov |
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| Institution: | (1) Institute of Spectroscopy, Russian Academy of Sciences, 142092 Troitsk, Moscow Region, Russia;(2) Institute of Metal Physics, Urals Branch of the Russian Academy of Sciences, 620219 Ekaterinburg, Russia;(3) P. L. Kapitza Institute of Physics Problems, Russian Academy of Sciences, 117334 Moscow, Russia |
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| Abstract: | The spectrum and intensities of NMR lines are investigated experimentally and theoretically for excitation by an alternating
magnetic field h‖ parallel to a static field H in the quasi-one-dimensional, six-sublattice antiferromagnet CsMnBr3. According to theory, two new NMR lines, which are not excited by a transverse magnetic field h
⊥, are observed near the phase transition from triangular to collinear structure (H=H
c
) JETP 86, 197 (1998)].
Zh. éksp. Teor. Fiz. 115, 2228–2241 (June 1999) |
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