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Search for "nonequilibrium Green’s function (NEGF)" in Full Text gives 4 result(s) in Beilstein Journal of Nanotechnology.

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  • heterojunction; armchair boron nitride nanoribbon (ABNNR); armchair graphene nanoribbon (AGNR); negative differential resistance (NDR); nonequilibrium Green’s function (NEGF); resonant tunneling diode (RTD); substitutional defects; Introduction 2D materials have gained tremendous research interest due to the
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Published 24 Apr 2020

Giant magnetoresistance ratio in a current-perpendicular-to-plane spin valve based on an inverse Heusler alloy Ti2NiAl

  • Yu Feng,
  • Zhou Cui,
  • Bo Wu,
  • Jianwei Li,
  • Hongkuan Yuan and
  • Hong Chen

Beilstein J. Nanotechnol. 2019, 10, 1658–1665, doi:10.3762/bjnano.10.161

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  • ) generalized gradient approximation (GGA). A Monkhorst–Pack grid of 13 × 13 × 1 for k-point sampling, a self-consistent field (SCF) convergence criterion of 1 × 10−5 eV, and a plane-wave basis cutoff energy of 550 eV were applied. The Keldysh nonequilibrium Green’s function (NEGF) theory, as implemented in
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Published 08 Aug 2019

Intrinsic ultrasmall nanoscale silicon turns n-/p-type with SiO2/Si3N4-coating

  • Dirk König,
  • Daniel Hiller,
  • Noël Wilck,
  • Birger Berghoff,
  • Merlin Müller,
  • Sangeeta Thakur,
  • Giovanni Di Santo,
  • Luca Petaccia,
  • Joachim Mayer,
  • Sean Smith and
  • Joachim Knoch

Beilstein J. Nanotechnol. 2018, 9, 2255–2264, doi:10.3762/bjnano.9.210

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  • states (DOS) when embedded in SiO2 or Si3N4. We use further h-DFT results of a Si-nanowire (NWire) covered in SiO2 and Si3N4 to examine the device behaviour of an undoped Si-NWire FET based solely on CMOS-compatible materials (e.g., Si, SiO2, Si3N4) using the nonequilibrium Green’s function (NEGF
  • for nonequilibrium Green’s function (NEGF) transport simulation of undoped Si-nanowire MISFET devices and details on NEGF device simulations. Supporting Information File 162: Further discussion and data of h-DFT, UPS, and NEGF simulations. Acknowledgements D. K. acknowledges use of Leonardi mainframe
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Published 23 Aug 2018

Thermoelectricity in molecular junctions with harmonic and anharmonic modes

  • Bijay Kumar Agarwalla,
  • Jian-Hua Jiang and
  • Dvira Segal

Beilstein J. Nanotechnol. 2015, 6, 2129–2139, doi:10.3762/bjnano.6.218

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  • harmonic-mode junction (Equation 4) can be derived using the nonequilibrium Green’s function (NEGF) technique [40][41] assuming weak interaction between electrons and the particular vibration, employing the random phase approximation (RPA) [39][42]. This scheme involves a summation over a particular set
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Published 11 Nov 2015
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