Experimental evidence for a spin-Peierls-transition in $\alpha'-NaV_2O_5$

M. Weiden; R. Hauptmann; C. Geibel; F. Steglich; M. Fischer; P. Lemmens; G. Güntherodt

doi:10.1007/s002570050326

Experimental evidence for a spin-Peierls-transition in $\alpha'-NaV_2O_5$

Strongly Correlated Electrons 2016-08-31 v1

Authors: M. Weiden , R. Hauptmann , C. Geibel , F. Steglich , M. Fischer , P. Lemmens , G. Güntherodt

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Abstract

We present the first measurements of magnetisation and Raman light scattering on $\alpha'-NaV_2O_5$ single crystals. Below 34 K, we observe a pronounced isotropic decrease of the susceptibility indicating the opening of a spin gap. The transition temperature is slightly field dependent. Raman experiments reveal a crystallographic distortion at the transition. Our results clearly establish $\alpha'-NaV_2O_5$ to be the second inorganic spin-Peierls system.

Keywords

spin-Peierls transition α'-NaV2O5 magnetization Raman scattering spin gap single crystal inorganic

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@article{arxiv.cond-mat/9703052,
  title  = {Experimental evidence for a spin-Peierls-transition in $\alpha'-NaV_2O_5$},
  author = {M. Weiden and R. Hauptmann and C. Geibel and F. Steglich and M. Fischer and P. Lemmens and G. Güntherodt},
  journal= {arXiv preprint arXiv:cond-mat/9703052},
  year   = {2016}
}

Comments

8 pages, 2 eps figures. To be published in Z. Phys. B (1997)

Experimental evidence for a spin-Peierls-transition in $\alpha'-NaV_2O_5$

Abstract

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