Probing intraband excitations in ZrTe5 : A high- pressure infrared and transport study (CROSBI ID 289445)
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Podaci o odgovornosti
Santos-Cottin, D. ; Padlewski, M. ; Martino, E. ; David, S. Ben ; Le Mardelé, F. ; Capitani, F. ; Borondics, F. ; Bachmann, M. D. ; Putzke, C. ; Moll, P. J. W. ; Zhong, R. D. ; Gu, G. D. ; Berger, H. ; Orlita, M. ; Homes, C. C. ; Rukelj, Z. ; Akrap, Ana
engleski
Probing intraband excitations in ZrTe5 : A high- pressure infrared and transport study
Zirconium pentatetelluride, ZrTe5, shows remarkable sensitivity to hydrostatic pressure. In this work we address the high-pressure transport and optical properties of this compound, on samples grown by flux and chemical vapor transport. The high-pressure resistivity is measured up to 2 GPa, and the infrared transmission up to 9 GPa. The dc conductivity anisotropy is determined using a microstructured sample. Together, the transport and optical measurements allow us to discern band parameters with and without the hydrostatic pressure, in particular the Fermi level, and the effective mass in the less conducting, out-of-plane direction. The results are interpreted within a simple two-band model characterized by a Dirac-type, linear in-plane band dispersion, and a parabolic out-of-plane dispersion.
Zirconium pentatetelluride ; high-pressure transport ; chemical vapor transport
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Podaci o izdanju
101 (12)
2020.
125205
10
objavljeno
2469-9950
2469-9969
10.1103/physrevb.101.125205