Intrinsic electrical transport properties of monolayer silicene and MoS₂ from first principles

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Article on intrinsic electrical transport properties of monolayer silicene and MoS₂ from first principles.

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9 p.: ill.

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Li, Xiaodong; Mullen, Jeffrey T.; Jin, Zhenghe; Borysenko, Kostyantyn M.; Buongiorno Nardelli, Marco & Kim, Ki Wook March 15, 2013.

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Article on intrinsic electrical transport properties of monolayer silicene and MoS₂ from first principles.

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9 p.: ill.

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Copyright 2013 American Physical Society. The following article appeared in Physical Review B, 87:11, http://link.aps.org/doi/10.1103/PhysRevB.87.115418

Abstract: The electron-phonon interaction and related transport properties are investigated in monolayer silicene and MoS₂ by using a density functional theory calculation combined with a full-band Monte Carlo analysis. In the case of silicene, the results illustrate the out-of-plane acoustic phonon mode may play the dominant role unlike its close relative, graphene. The small energy of this phonon mode, originating from the weak sp² π bonding between Si atoms, contributes to the high scattering rate and significant degradation in electron transport. In MoS₂, the longitudinal acoustic phonons show the strongest interaction with electrons. The key factor in this material appears to be the Q valleys located between the Γ and Κ points in the first Brillouin zone as they introduce additional intervalley scattering. The analysis also reveals the potential impact of extrinsic screening by other carriers and/or adjacent materials. Finally, the effective deformation potential constants are extracted for all relevant intrinsic electron-phonon scattering processes in both materials.

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  • Physical Review B, 2013, College Park: American Physical Society

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  • Publication Title: Physical Review B
  • Volume: 87
  • Issue: 11
  • Pages: 9
  • Peer Reviewed: Yes

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  • March 15, 2013

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  • Dec. 20, 2013, 9:50 a.m.

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  • April 2, 2014, 2:57 p.m.

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Li, Xiaodong; Mullen, Jeffrey T.; Jin, Zhenghe; Borysenko, Kostyantyn M.; Buongiorno Nardelli, Marco & Kim, Ki Wook. Intrinsic electrical transport properties of monolayer silicene and MoS₂ from first principles, article, March 15, 2013; [College Park, Maryland]. (digital.library.unt.edu/ark:/67531/metadc268897/: accessed December 16, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT College of Arts and Sciences.