Articles with "quasi free" as a keyword



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From Zinc Clusters to One-Dimensional Crystals on Quasi-Free Sustained Substrates

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Published in 2017 at "Journal of Cluster Science"

DOI: 10.1007/s10876-017-1296-8

Abstract: By using the Amsterdam density functional (ADF) program based on first-principles, we have in detail investigated the Znn (n = 2–20) clusters, several series of stacked structures, and the growth mechanism of zinc nanorods on silicone oil… read more here.

Keywords: quasi free; sustained substrates; 002 crystal; free sustained ... See more keywords
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Structural characterization of as-grown and quasi-free standing graphene layers on SiC

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Published in 2019 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2018.09.262

Abstract: Abstract We report on a comparative structural characterization of two types of high quality epitaxial graphene layers grown by CVD on 4H-SiC(0001). The layers under study are a single layer graphene on top of a… read more here.

Keywords: quasi free; free standing; graphene layers; graphene ... See more keywords
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The impact of partial H intercalation on the quasi-free-standing properties of graphene on SiC(0001)

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Published in 2021 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2020.148668

Abstract: Abstract Graphene has attracted huge attention due to its unique electronic properties, however, when supported those are significantly dependent on the interface interactions. One of the methods of decoupling graphene sheets from a substrate is… read more here.

Keywords: quasi free; free standing; sic 0001; impact partial ... See more keywords
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Homogeneous Large-Area Quasi-Free-Standing Monolayer and Bilayer Graphene on SiC

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Published in 2019 at "ACS Applied Nano Materials"

DOI: 10.1021/acsanm.8b02093

Abstract: In this study, we first show that the argon flow during epitaxial graphene growth is an important parameter to control the quality of the buffer and the graphene layer. Atomic force microscopy (AFM) and low-energy… read more here.

Keywords: quasi free; monolayer; microscopy; graphene ... See more keywords
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Exclusive quasi-free proton knockout from oxygen isotopes at intermediate energies

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Published in 2018 at "Progress of Theoretical and Experimental Physics"

DOI: 10.1093/ptep/pty011

Abstract: The dependence of the single-particle strength on the difference between proton and neutron separation energies is studied for oxygen isotopes in a wide range of isospins. The cross sections of the quasi-free (p, 2p) reaction… read more here.

Keywords: quasi free; oxygen isotopes; proton; intermediate energies ... See more keywords
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Ambipolar charge transport in quasi-free-standing monolayer graphene on SiC obtained by gold intercalation

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Published in 2020 at "Physical Review B"

DOI: 10.1103/physrevb.102.165403

Abstract: We present a study of quasi-free-standing monolayer graphene obtained by intercalation of Au atoms at the interface between the carbon buffer layer (Bu-L) and the silicon-terminated face (0001) of 4H-silicon carbide. Au intercalation is achieved… read more here.

Keywords: monolayer graphene; quasi free; graphene; intercalation ... See more keywords
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Magnetophonon resonance on the phonon frequency difference in quasi-free-standing graphene

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Published in 2021 at "Physical Review B"

DOI: 10.1103/physrevb.103.035432

Abstract: The structure of magnetoresistance curves as a function of magnetic field from 0 to 14 T at temperatures from 0.4 to 6.0 K for macroscopic samples of the quasi-free-standing (QFS) graphene monolayer on SiC substrate,… read more here.

Keywords: quasi free; frequency; graphene; free standing ... See more keywords
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Pinning and Anharmonic Phonon Effect of Quasi-Free-Standing Bilayer Epitaxial Graphene on SiC

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Published in 2022 at "Nanomaterials"

DOI: 10.3390/nano12030346

Abstract: Epitaxial graphene on SiC without substrate interaction is viewed as one of the most promising two-dimensional (2D) materials in the microelectronics field. In this study, quasi-free-standing bilayer epitaxial graphene (QFSBEG) on SiC was fabricated by… read more here.

Keywords: graphene; free standing; effect; epitaxial graphene ... See more keywords