Multiple charge density wave transitions in Gd$_2$Te$_5$

Details Multiple charge density wave transitions in Gd$_2$Te$_5$ Multiple charge density wave transitions in Gd$_2$Te$_5$

2008-08-15

arxiv.org/abs/0808.2106v1

Physics

Condensed Matter

Strongly Correlated Electrons

4 pages, 4 figures

Scientific paper

Diffraction measurements performed via transmission electron microscopy and high resolution X-ray scattering reveal two distinct charge density wave transitions in Gd$_2$Te$_5$ at $T_{c1}$ = 410(3) and $T_{c2}$ = 532(3) K, associated with the \textit{on}-axis incommensurate lattice modulation and \textit{off}-axis commensurate lattice modulation respectively. Analysis of the temperature dependence of the order parameters indicates a non-vanishing coupling between these two distinct CDW states.

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