Evidence for a Strong Topological Insulator Phase in ZrTe5

Zitieren

Dateien zu dieser Ressource

Dateien Größe Format Anzeige

Zu diesem Dokument gibt es keine Dateien.

MANZONI, Giulia, Luca GRAGNANIELLO, G. AUTÈS, Timo KUHN, Andrea STERZI, Federico CILENTO, Michele ZACCHIGNA, Vivien Anna-Lena ENENKEL, Mikhail FONIN, Alberto CREPALDI, 2016. Evidence for a Strong Topological Insulator Phase in ZrTe5. In: Physical Review Letters. 117(23), 237601. ISSN 0031-9007. eISSN 1079-7114

@article{Manzoni2016Evide-37428, title={Evidence for a Strong Topological Insulator Phase in ZrTe5}, year={2016}, doi={10.1103/PhysRevLett.117.237601}, number={23}, volume={117}, issn={0031-9007}, journal={Physical Review Letters}, author={Manzoni, Giulia and Gragnaniello, Luca and Autès, G. and Kuhn, Timo and Sterzi, Andrea and Cilento, Federico and Zacchigna, Michele and Enenkel, Vivien Anna-Lena and Fonin, Mikhail and Crepaldi, Alberto}, note={Article Number: 237601} }

Gragnaniello, Luca 2017-02-15T07:57:46Z The complex electronic properties of $\mathrm{ZrTe_5}$ have recently stimulated in-depth investigations that assigned this material to either a topological insulator or a 3D Dirac semimetal phase. Here we report a comprehensive experimental and theoretical study of both electronic and structural properties of $\mathrm{ZrTe_5}$, revealing that the bulk material is a strong topological insulator (STI). By means of angle-resolved photoelectron spectroscopy, we identify at the top of the valence band both a surface and a bulk state. The dispersion of these bands is well captured by ab initio calculations for the STI case, for the specific interlayer distance measured in our x-ray diffraction study. Furthermore, these findings are supported by scanning tunneling spectroscopy revealing the metallic character of the sample surface, thus confirming the strong topological nature of $\mathrm{ZrTe_5}$. Evidence for a Strong Topological Insulator Phase in ZrTe<sub>5</sub> eng Manzoni, Giulia Cilento, Federico Crepaldi, Alberto Kuhn, Timo Gragnaniello, Luca Sterzi, Andrea Autès, G. Crepaldi, Alberto Zacchigna, Michele Enenkel, Vivien Anna-Lena Enenkel, Vivien Anna-Lena Cilento, Federico Fonin, Mikhail Fonin, Mikhail 2016 Manzoni, Giulia 2017-02-15T07:57:46Z Sterzi, Andrea Zacchigna, Michele Kuhn, Timo Autès, G.

Das Dokument erscheint in:

KOPS Suche


Stöbern

Mein Benutzerkonto