Front Matter

'yanchuk, Boris Luk

doi:10.1142/9789812777515_fmatter

Cited by 4 publications

(4 citation statements)

References 38 publications

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“…In an interesting twist, there is also growing evidence that high‐quality graphite contains a proportion of massless Dirac fermions, in addition to other quasiparticles 31, 47, 56, 63–66. Techniques such as electrical transport measurements 63, angle‐resolved photoemission spectroscopy (ARPES) 65, scanning tunnelling spectroscopy 47, magneto‐absorption spectroscopy 56, 64, and Raman spectroscopy 66 have provided experimental data that are consistent with a population of massless holes near the H point in graphite’s Fermi surface and massive electrons near the K point. In contrast, two recent studies concluded that the bands around the H point in graphite, while appearing linear, are actually parabolic at their tips and never actually make contact 37, 67.…”

Section: Electronic Properties Of Graphenementioning

confidence: 99%

Graphene and Related Materials in Electrochemical Sensing

et al. 2011

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Graphene and related materials, such as graphene oxide and reduced graphene oxide, have come to the forefront of research in electrochemical sensors during recent years. The rapidly growing activity in this area is due to the promising electrochemistry of these materials and their obvious success in electrical and optical sensors to date. In this focussed review, we critically examine the structure of graphene, its electronic and electrochemical properties as related to electrochemical sensing, and the latest research on sensors that exploit the electrochemistry of graphene derivatives.

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Section: Electronic Properties Of Graphenementioning

confidence: 99%

Graphene and Related Materials in Electrochemical Sensing

et al. 2011

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“…The DFs in graphite were also detected by means of angle-resolved photoemission spectroscopy (ARPES) [5], scanning-tunneling-spectroscopy (STS) [6], and infrared magneto-transmission [7] techniques. Besides, micro-Raman [8], STS [9] and microwave magneto-absorption [10] measurements provided evidence for the existence of independent (decoupled) graphene layers in bulk graphite.…”

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confidence: 95%

Negative c-axis magnetoresistance in graphite

et al. 2010

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We have studied the c-axis interlayer magnetoresistance (ILMR), R_c(B) in graphite. The measurements have been performed on strongly anisotropic highly oriented pyrolytic graphite (HOPG) samples in magnetic field up to B = 9 T applied both parallel and perpendicular to the sample c-axis in the temperature interval 2 K < T < 300 K. We have observed negative magnetoresistance, dR_c/dB < 0, for B || c-axis above a certain field B_m(T) that reaches its minimum value B_m = 5.4 T at T = 150 K. The results can be consistently understood assuming that ILMR is related to a tunneling between zero-energy Landau levels of quasi-two-dimensional Dirac fermions, in a close analogy with the behavior reported for alpha-(BEDT-TTF)2I3 [N. Tajima et al., Phys. Rev. Lett. 102, 176403 (2009)], another multilayer Dirac electron system.Comment: 14 pages, including 4 figure

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“…Pulsed laser evaporation is widely used for cleaning of different contaminated surfaces: spacecraft optical systems, astronomical telescope mirrors, painted artworks and antiquities, etc. [5,6]. To estimate the effectiveness of contamination layer removal, it is important to know the post-pulse back flux value.…”

Section: Introductionmentioning

confidence: 99%

Back Flux for Pulsed Laser Evaporation into Vacuum

Morozov¹

2005

AIP Conference Proceedings

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Abstract. This paper proposes results on calculation of the back flux for the case of pulsed laser evaporation into vacuum. On the basis of the direct Monte Carlo simulation, one-dimensional plane expansion of vapor cloud was calculated for a wide range of the number of evaporated monolayers. A substantial back flux rise is observed if the rotational degrees of freedom are taken into account. Influence of relaxation collision number on the back flux is demonstrated. Computations that combine the laser-induced target heating calculation and the direct Monte Carlo simulation of vapor cloud expansion show an insignificant effect of the time evolution of the surface temperature on the back flux.

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Front Matter

Cited by 4 publications

References 38 publications

Graphene and Related Materials in Electrochemical Sensing

Graphene and Related Materials in Electrochemical Sensing

Negative c-axis magnetoresistance in graphite

Back Flux for Pulsed Laser Evaporation into Vacuum

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