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25 April 2024 |
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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
; | | Date: |
5 Mar 1997 | | Subject: | Strongly Correlated Electrons | cond-mat.str-el | | Affiliation: | Technische Physik, TH Darmstadt, Germany), M. Fischer, P. Lemmens, G. Güntherodt (Physikalisches Institut, RWTH Aachen, Germany | | 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. | | Source: | arXiv, cond-mat/9703052 | | Services: | Forum | Review | PDF | Favorites | |
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