Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Adam J. Simbeck"'
Publikováno v:
Computational Materials Science. 123:14-18
The dielectric screening induced modulation of the electronic structure of model SiH 2 and GeH 2 one-dimensional atomic wires is investigated using graphene as a prototypical substrate. A combination of first-principles density functional theory and
Autor:
Matthieu J. Verstraete, Neerav Kharche, Saroj K. Nayak, Nicholas A. Lanzillo, Adam J. Simbeck
Publikováno v:
ACS Nano. 6:10449-10455
Using a first-principles density functional method, we have studied the electronic structure, electron-phonon coupling, and quantum transport properties of atomic wires of Ag, Al, Au, and Cu. Non-equilibrium Green's function-based transport studies o
Publikováno v:
Surface Science. 606:1412-1415
Quantized conductance measured from single tetraphenylporphyrin molecules with and without a central zinc(II) [Zn(II)] atom was measured using a molecular break junction (MBJ) method. From the conductance histograms we observed an additional 1.7 A st
Publikováno v:
Journal of physics. Condensed matter : an Institute of Physics journal. 27(17)
We use first-principles density functional theory to investigate the effect of both tensile and compressive strain on the work functions of various metal dichalcogenide monolayers. We find that for all six species considered, including MoS2, WS2, SnS
Autor:
Adam J. Simbeck, Morris Washington, Padmashree D. Joshi, Mahendra A. More, Saroj K. Nayak, Chandra Sekhar Rout, Dilip S. Joag, Dattatray J. Late, Ranjit V. Kashid
Publikováno v:
Scientific Reports
We report here the field emission studies of a layered WS2-RGO composite at the base pressure of ~1 × 10−8 mbar. The turn on field required to draw a field emission current density of 1 μA/cm2 is found to be 3.5, 2.3 and 2 V/μm for WS2, RGO and
Autor:
Adam J. Simbeck, Saroj K. Nayak, Parlapalli V. Satyam, Phaedon Avouris, Deyang Gu, Neerav Kharche
The electronic and magnetic properties of varying width, oxygen-functionalized armchair graphene nanoribbons (AGNRs) are investigated using first-principles density functional theory (DFT). Our study shows that O-passivation results in a rich geometr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8484c4b8e4380bcbb2dce01cff2cb818
Autor:
Neerav Kharche, Matthieu J. Verstraete, Nicholas A. Lanzillo, Saroj K. Nayak, Adam J. Simbeck
Publikováno v:
ACS Nano. 9:6635-6635
Publikováno v:
Applied Physics Letters. 105:243502
We report high performance IR photocurrent response of two-dimensional hybrid materials consisting of layered WS2 nanosheets and reduced graphene oxide (RGO). Comparative photocurrent response studies of WS2 nanosheets, RGO, and WS2/RGO hybrids were
Autor:
Adam J. Simbeck, Padmashree D. Joshi, Dattatray J. Late, Morris Washington, Ranjit V. Kashid, Chandra Sekhar Rout, Dilip S. Joag, Mahendra A. More, Saroj K. Nayak
Publikováno v:
Applied Physics Letters. 105:043109
We report here our experimental investigations on p-doped graphene using tin sulfide (SnS2), which shows enhanced field emission properties. The turn on field required to draw an emission current density of 1 μA/cm2 is significantly low (almost half