Low-energy magnetic excitations in the quasi-one-dimensional spin-1 chain compound SrNi${}_{2}$V${}_{2}$O${}_{8}$

Low-energy magnetic excitations in the quasi-one-dimensional spin-1 chain compound SrNi $_{2}$ V $_{2}$ O $_{8}$

Zhe Wang, M. Schmidt, A. K. Bera, A. T. M. N. Islam, B. Lake, A. Loidl, and J. Deisenhofer

Phys. Rev. B 87, 104405 – Published 12 March 2013

Abstract

Multifrequency electron spin resonance (ESR) transmission spectra have been measured as a function of temperature and magnetic field on single crystals of the quasi-one-dimensional spin-1 chain compound SrNi $_{2}$ V $_{2}$ O $_{8}$ in the gigahertz frequency range. Magnetic resonance modes above 50 K have been observed with an effective $g$ factor of 2.24 at 100 K. Below 30 K, intratriplet excitations have been observed in the ESR spectra, which reveal the presence of single-ion anisotropy with $D = - 0.29$ meV.

Received 17 December 2012

DOI:https://doi.org/10.1103/PhysRevB.87.104405

Authors & Affiliations

Zhe Wang¹, M. Schmidt¹, A. K. Bera², A. T. M. N. Islam², B. Lake^2,3, A. Loidl¹, and J. Deisenhofer¹

¹Experimental Physics V, Center for Electronic Correlations and Magnetism, Institute of Physics, University of Augsburg, D-86135 Augsburg, Germany
²Helmholtz-Zentrum Berlin für Materialien und Energie, D-14109 Berlin, Germany
³Institut für Festkörperphysik, Technische Universität Berlin, D-10623 Berlin, Germany

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Vol. 87, Iss. 10 — 1 March 2013

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