Multiple charge density wave transitions in Gd₂Te₅

K. Y. Shin , N. Ru , C. L. Condron , Y. Q. Wu , M. J. Kramer , M. F. Toney , I. R. Fisher

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classification ❄️ cond-mat.str-el cond-mat.mtrl-sci

keywords axischargedensitydistinctlatticemodulationtextittransitions

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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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Multiple charge density wave transitions in Gd₂Te₅

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