Publication Date:
2016-08-05
Description:
Author(s): L. Moreschini, J. C. Johannsen, H. Berger, J. Denlinger, C. Jozwiack, E. Rotenberg, K. S. Kim, A. Bostwick, and M. Grioni The transport properties of zirconium pentatelluride ZrTe 5 , where the sign of carriers changes with temperature, have so far eluded a clear understanding. In this work, the authors investigate by angle-resolved photoemission the temperature dependence of the low-energy electronic bands, and find that the transport behavior can be explained by the presence of a van Hove singularity in the density of states. By surface doping with alkali atoms, the authors also access the unoccupied states in the conduction band and define this material as being a weak topological insulator. [Phys. Rev. B 94, 081101(R)] Published Thu Aug 04, 2016
Keywords:
Electronic structure and strongly correlated systems
Print ISSN:
1098-0121
Electronic ISSN:
1095-3795
Topics:
Physics
