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From Graphite to Graphene: The Confinement of the Fermi Surface to the Line KH

Helmut Bross
2013 ISRN Condensed Matter Physics  
Overall, the band structures of the series are found to be quite similar: the energy levels of the highly symmetric states K and H almost coincide, essentially fixing the Fermi level of the semimetallic  ...  The dispersion along lines parallel to the atomic planes, already small in graphite at the experimental value of , continues to flatten with increasing value of .  ...  Reinhold Bader for helpful comments and the critical reading of the paper. The generous hospitality of Professor Jan von Delft and Professor U. Schollwöck is gratefully acknowledged.  ... 
doi:10.1155/2013/327913 fatcat:liomohwy6rdexfvuoens33yfvm

Using the de Haas–van Alphen Effect to Map Out the Closed Three-Dimensional Fermi Surface of Natural Graphite

J. M. Schneider, B. A. Piot, I. Sheikin, D. K. Maude
2012 Physical Review Letters  
The Fermi surface of graphite is accurately described by highly elongated ellipsoids.  ...  The Fermi surface of graphite has been mapped out using de Haas van Alphen (dHvA) measurements at low temperature with in-situ rotation.  ...  In conclusion, angular dependent dHvA measurements on graphite reveal the 3D character of the Fermi surface of graphite.  ... 
doi:10.1103/physrevlett.108.117401 pmid:22540506 fatcat:tewn5oqsqbdorhpvtr624nvptq

The Effect of the Mixing of Formula- and Formula-Orbitals on the Fermi Surface in the l.c.a.o. Model for Graphite

D. F. Johnston
1956 Proceedings of the Royal Society A  
, I n t r o d u c t i o n The shape of the Fermi surface for a graphite crystal has been calculated in an earlier paper (Johnston 1955) using an l.c.a.o. model.  ...  T he effect of the m ixing of n-and < surface in the l.c.a.o. m odel for g rap h ite The common energy of the two principal conduction bands in graphite along the triad axes in k-space is recalculated  ...  At very low temperatures, however, this 1 new picture of the Fermi surface suggests as a first approximation in developing t a theory of the de H aas-van Alphen effect, or the Hall effect in graphite,  ... 
doi:10.1098/rspa.1956.0160 fatcat:ghk6idwxz5ggfl7jnrjr2gabwu

26aZB-5 グラファイト表面におけるπbandフェルミ面の異常 : 高分解能ARPES(26aZB グラファイト,領域7(分子性固体・有機導体))
26aZB-5 Anomaly of π band Fermi surface of graphite : high-resolution ARPES

K. Sugawara, S. Souma, T. Sato, T. Takahashi, H. Suematsu
2006 Meeting Abstracts of the Physical Society of Japan (Nihon Butsuri Gakkai koen gaiyoshu)  
26aZB − 5 グ ラ フ ァ イ ト表 面 に お け るsc band フ ェ ル ミ面 の 異 常 : 高 分 解 能 ARPES 東北 大 院理 A 、 CRESI ' B 、 」AS 団 C 菅 原克明へ 相馬清吾 AS 、 佐 藤宇 史 AB 、高橋隆 AB 、 寿 栄 松 宏 仁 c Anemaly ot # bend Fermi surtace ef graphite :high  ...  実 線領 域 で 測 定 した klsh graphite の EF近傍 の ARPES ス ベ ク トル 26aZB − 7 CsCa の 超 伝 導 特 性 評 価 筑 波 大 数 理 物 質 鍋 本 岳 史 、門脇 和 男 Superconducting Properties ef C6Ca Institute of Materials Science, University ofTsukuba  ... 
doi:10.11316/jpsgaiyo. fatcat:jcn7fecnkfhr5bquv3iwecwsni

Photon energy dependence of graphite valence band photoelectron intensity

Masaru Takizawa, Hidetoshi Namba, Fumihiko Matsui, Hiroshi Daimon
2010 Journal of Electron Spectroscopy and Related Phenomena  
This intensity difference of the Fermi surfaces is well reproduced by considering the "photoemission structure factor" for three-dimensional nature of graphite.  ...  We found that the photoelectron intensities of the Fermi surfaces were, however, very different even when the photon energies are selected to see the same symmetry planes of BZ.  ...  Acknowledgments The authors would like to thank A. Shimozuma for support in the experiments.  ... 
doi:10.1016/j.elspec.2010.05.031 fatcat:7xidhawu4ja6loxnqef6x4rlaa

Graphene to graphite: electronic changes within DFT calculations

A.Z. AlZahrani, G.P. Srivastava
2009 Brazilian journal of physics  
From an analysis of the electronic band structure close to the Fermi level, we have quantified the gradual change in the Fermi surface topology from the point-like structure for graphene to a warped triangular  ...  shape for graphite.  ...  The calculations reported here were performed using the University of Exeter's SGI Altix ICE 8200 supercomputer.  ... 
doi:10.1590/s0103-97332009000600013 fatcat:3kjwiti4rrh7dnsnyfzhhgh6bq

Local electronic edge states of graphene layer deposited on Ir(111) surface studied by STM/CITS

Z. Klusek, W. Kozlowski, Z. Waqar, S. Datta, J.S. Burnell-Gray, I.V. Makarenko, N.R. Gall, E.V. Rutkov, A.Ya. Tontegode, A.N. Titkov
2005 Applied Surface Science  
Scanning tunnelling microscopy and current imaging tunnelling spectroscopy were used to observe electronic structure of the edges of monolayer graphite film deposited on the Ir(1 1 1) surface.  ...  the graphite edges  ...  Acknowledgement This work has been supported by the North-east (UK) European Grant (ERDF).  ... 
doi:10.1016/j.apsusc.2005.02.083 fatcat:pvoltylyf5azbb4lmf5kmlmy74

Fermi-surface-dependent superconducting gap in C6Ca

K. Sugawara, T. Sato, T. Takahashi
2008 Nature Physics  
We found that the superconducting gap of 1.8-2.0 meV opens on the intercalant Fermi surface, whereas the gap is very small or absent on the Fermi surface derived from the π * band of graphene layers.  ...  This key issue as well as the discrepancy in the nature of the superconducting gap among experiments urgently requires further precise investigations on the momentum and Fermi-surface dependence of the  ...  Suematsu for providing high-quality kish graphite. We also thank K. Tanigaki, K. Sato, T. Rachi and K. Kadowaki for their help in the sample preparation.  ... 
doi:10.1038/nphys1128 fatcat:urkyv2frvbgnvdd37ul2krbtcu

Observations of local electron states on the edges of the circular pits on hydrogen-etched graphite surface by scanning tunneling spectroscopy

Z Klusek, Z Waqar, E.A Denisov, T.N Kompaniets, I.V Makarenko, A.N Titkov, A.S Bhatti
2000 Applied Surface Science  
The edge surface state revealed by tunneling spectroscopy appears as Ž . the maximum of the local density of states LDOS in the energy range of 90-250 meV above the Fermi level.  ...  Scanning tunneling microscopy STM and spectroscopy STS are used to study electronic states at the edges of the circular pits on the hydrogen-etched graphite surface.  ...  Acknowledgements The work was supported by the Lodz University within Research Grant 505r255, and partly, by the Russian Foundation for Basic Research.  ... 
doi:10.1016/s0169-4332(00)00374-3 fatcat:vaauzd4rqnbr3dtk47r6v7n2ii

In SituBand Gap Engineering of Carbon Nanotubes

Vincent H. Crespi, Marvin L. Cohen, Angel Rubio
1997 Physical Review Letters  
Bond rotation defects close the gap in large-gap nanotubes, open the gap in small-gap nanotubes, and increase the density of states in metallic nanotubes.  ...  In a graphitic sheet the density bond rotation defects controls the size and location of the Fermi surface.  ...  Fermi surface of pentaheptite around G.  ... 
doi:10.1103/physrevlett.79.2093 fatcat:ezncqefl5bbyvobolyss66hc2q

First-principles study of the electronic properties of graphite

J.-C. Charlier, X. Gonze, J.-P. Michenaud
1991 Physical Review B (Condensed Matter)  
The electronic properties of hexagonal graphite have been studied in the framework of the density-functional technique, using nonlocal ionic pseudopotentials and a large number of plane waves.  ...  The electronic properties of hexagonal graphite have been studied in the framework of the density-functional technique, using nonlocal ionic pseudopotentials and a large number of plane waves.  ...  Cuts in the Fermi surface of graphite showing the inhuence of y3 on the symmetry of this surface. These cuts are parallel to the graphitic planes and the vertical of the graph is the K-1 direction.  ... 
doi:10.1103/physrevb.43.4579 pmid:9997825 fatcat:3ziz5jzxxvhkfn3m2r5pwz33om

Page 300 of Applied Physics. A and B Vol. A52, Issue 5 [page]

1991 Applied Physics. A and B  
Two-dimensional Fermisurfaceof graphite, given by the angular distribution of photoelectrons from the Fermi level. Regions of high electron emission are shown dark.  ...  So far we have discussed the constant energy surfaces of graphite in a two-dimensional picture, where they are lines.  ... 

Atomic-scale characterization of nitrogen-doped graphite: Effects of dopant nitrogen on the local electronic structure of the surrounding carbon atoms

Takahiro Kondo, Simone Casolo, Tetsuya Suzuki, Taishi Shikano, Masataka Sakurai, Yoshihisa Harada, Makoto Saito, Masaharu Oshima, Mario Italo Trioni, Gian Franco Tantardini, Junji Nakamura
2012 Physical Review B  
Distinct electronic states of localized π states were found to appear in the occupied and unoccupied regions near the Fermi level at the carbon atoms around pyridinic-N and graphitic-N species, respectively  ...  We report the local atomic and electronic structure of a nitrogen-doped graphite surface by scanning tunnelling microscopy, scanning tunnelling spectroscopy, X-ray photoelectron spectroscopy, and first-principles  ...  The local electronic structures of the surface near the Fermi level around the characterized dopant nitrogen species, pyridinic-N and graphitic-N, are then discussed in Secs.  ... 
doi:10.1103/physrevb.86.035436 fatcat:wf5kuaqg5zeulfwe7e2chjm4zm

Scanning tunneling spectroscopy study of the edge surface states on oxygen-etched graphite surface with the presence of liquid crystal steps

Z Klusek
2001 Vacuum  
The graphite edge surface state exhibits a maximum in the local density of states in the energy range of 0.02 } 0.15 eV above the Fermi level.  ...  Scanning tunnelling microscopy and spectroscopy are used to study electronic states at the edges of the monolayer graphite pits and liquid crystal steps.  ...  Acknowledgements This work was supported by the Lodz University under the Research Grant 505/255.  ... 
doi:10.1016/s0042-207x(01)00182-8 fatcat:otj44enjprcvpaujhjqdhpqqzq

Electron-energy bands in single-crystalline La-intercalated graphite

S.L. Molodtsov, Th. Gantz, C. Laubschat, A.G. Viatkine, J. Avila, C. Casado, M.C. Asensio
1997 Zeitschrift für Physik B Condensed Matter  
A graphite-intercalation compound (GIC) of La was prepared by a thermally induced surface reaction of a metallic La film on a graphite (0001) substrate.  ...  The sample was prepared by a thermally driven surface reaction [7, 13, 14] of La-films with a graphite (0001) substrate.  ...  The authors thank F. von der Decken, Graphitwerk Kropfmu¨hl AG, Mu¨nchen, for the graphite flakes. This work was supported by the EC LSI Programme.  ... 
doi:10.1007/s002570050136 fatcat:fhuxzm72ejcwlgcmp26mf47zam
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