Temperature dependent non-monotonic bands shift in ZrTe5

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MANZONI, Giulia, Alberto CREPALDI, Gabriel AUTÈS, Andrea STERZI, Federico CILENTO, Ana AKRAP, Ivana VOBORNIK, Luca GRAGNANIELLO, Mikhail FONIN, Fulvio PARMIGIANI, 2017. Temperature dependent non-monotonic bands shift in ZrTe5. In: Journal of Electron Spectroscopy and Related Phenomena. 219, pp. 9-15. ISSN 0368-2048. eISSN 1873-2526. Available under: doi: 10.1016/j.elspec.2016.09.006

@article{Manzoni2017-08Tempe-39572, title={Temperature dependent non-monotonic bands shift in ZrTe5}, year={2017}, doi={10.1016/j.elspec.2016.09.006}, volume={219}, issn={0368-2048}, journal={Journal of Electron Spectroscopy and Related Phenomena}, pages={9--15}, author={Manzoni, Giulia and Crepaldi, Alberto and Autès, Gabriel and Sterzi, Andrea and Cilento, Federico and Akrap, Ana and Vobornik, Ivana and Gragnaniello, Luca and Fonin, Mikhail and Parmigiani, Fulvio} }

Gragnaniello, Luca eng Akrap, Ana Manzoni, Giulia Sterzi, Andrea Fonin, Mikhail 2017-07-13T10:00:55Z Crepaldi, Alberto Manzoni, Giulia Vobornik, Ivana Crepaldi, Alberto Parmigiani, Fulvio The electronic structure of ZrTe<sub>5</sub> has been matter of renewed interest aimed at clarifying, along with its topological character, the temperature dependence of the unusual transport properties of this material. Here, we report an extensive high resolution Angle Resolved Photoelectron Spectroscopy (ARPES) study unveiling a non-monotonic shift of the bands, when the sample temperature is varied between 16 K and 300 K. Moreover, the present conventional ARPES and circularly dichroic ARPES measurements reveal the presence of two states at the top of the valence band. The strong ARPES dichroic signal detected in proximity of the Fermi energy has been interpreted as the indication of the presence of spin polarized states, in agreement with the predicted strong topological character of this material. terms-of-use Gragnaniello, Luca Fonin, Mikhail Autès, Gabriel Vobornik, Ivana Sterzi, Andrea Cilento, Federico 2017-07-13T10:00:55Z Parmigiani, Fulvio Temperature dependent non-monotonic bands shift in ZrTe<sub>5</sub> Akrap, Ana 2017-08 Autès, Gabriel Cilento, Federico

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