Incomplete charge-density-wave gap opening in orthorhombic Mo4O11
Terrasi, A.; Marsi, M.; Berger, H.; Gauthier, F.; Forro, L.; Margaritondo, G.; Kelley, R. J.; Onellion, M.
1996

Abstract

Using angle-resolved photoemission, we report the first observation of an incomplete charge-density-wave (CDW) gap opening for the quasi-two-dimensional material Mo4O11. Our data indicate that the gap opening occurs over a range of 0.5 (A)ngstrom(-1) in the Brillouin zone. The maximum gap opening (Delta(max)) we observe is 60 +/- 10 meV, which leads to a ratio of 2 Delta(max)/kT(CDW) = 14 +/- 6 (T-CDW = transition temperature), well above the weak coupling value of 3.5. Our data suggest that both 1-dimensional and 2-dimensional electronic states may be involved in the gap opening.

Details

Title Incomplete charge-density-wave gap opening in orthorhombic Mo4O11
Author(s) Terrasi, A. ; Marsi, M. ; Berger, H. ; Gauthier, F. ; Forro, L. ; Margaritondo, G. ; Kelley, R. J. ; Onellion, M.
Published in Zeitschrift für Physik B : Condensed Matter
Volume 100
Issue 4
Pages 493-496
Date 1996
ISSN 0722-3277
Keywords
Note Ecole polytech fed lausanne,iga,ch-1015 lausanne,switzerland. univ wisconsin,dept phys,madison,wi 53706. Terrasi, A, ECOLE POLYTECH FED LAUSANNE,IPA,CH-1015 LAUSANNE,SWITZERLAND. ISI Document Delivery No.: UY901
DOI https://doi.org/10.1007/s002570050152
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Laboratories LSE
LPRX
Record Appears in Scientific production and competences > SB - School of Basic Sciences > SB Archives > LSE - Laboratory of Photoelectron Spectroscopy
Scientific production and competences > SB - School of Basic Sciences > SB Archives > LPRX - X-Ray Physics Laboratory
Peer-reviewed publications
Work produced at EPFL
Journal Articles
Published
Record creation date 2006-10-03

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