Low energy quasiparticle dispersion of graphite by angle‐resolved photoemission spectroscopy | Zendy

Grüneis A. | Zendy; Pichler T. | Zendy; Shiozawa H. | Zendy; Attaccalite C. | Zendy; Wirtz L. | Zendy; Molodtsov S. L. | Zendy; Follath R. | Zendy; Weber R. | Zendy; Rubio A. | Zendy

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Low energy quasiparticle dispersion of graphite by angle‐resolved photoemission spectroscopy

Author(s) -

Grüneis A.,

Pichler T.,

Shiozawa H.,

Attaccalite C.,

Wirtz L.,

Molodtsov S. L.,

Follath R.,

Weber R.,

Rubio A.

Publication year - 2007

Publication title -

physica status solidi (b)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.51

H-Index - 109

eISSN - 1521-3951

pISSN - 0370-1972

DOI - 10.1002/pssb.200776107

Subject(s) - angle resolved photoemission spectroscopy , quasiparticle , inverse photoemission spectroscopy , photoemission spectroscopy , graphite , dispersion (optics) , electronic band structure , atomic physics , spectroscopy , image warping , electron , condensed matter physics , electronic structure , physics , chemistry , materials science , molecular physics , x ray photoelectron spectroscopy , optics , nuclear magnetic resonance , quantum mechanics , superconductivity , organic chemistry , artificial intelligence , computer science

The low energy electron dispersion in graphite is measured by angle‐resolved photoemission spectroscopy. The measured photoemission intensity maxima are compared to a tight‐binding calculation of the electronic band structure. We observe a strong trigonal warping of the equi‐energy contour which is well reproduced by the calculations. Furthermore we clearly show that the concept of Dirac Fermions breaks down for AB stacked graphite. (© 2007 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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