نتایج جستجو برای: negative differential resistance

تعداد نتایج: 1150428  

Journal: :Nano letters 2009
S W Lee A Kornblit D Lopez S V Rotkin A A Sirenko H Grebel

Intraconnects, as-grown single-walled carbon nanotubes bridging two metal electrodes, were investigated as gated structures. We show that even with a seemingly "ohmic" contact at zero gate voltage one observes negative differential resistance (NDR) at nonzero gate bias. Large differential photo conductance (DPC) was associated with the NDR effect raising hopes for the fabrication of novel high-...

Journal: :npj computational materials 2022

Vertically stacked two-dimensional (2D) van der Waals (vdW) heterostructures based on graphene electrodes represent a promising architecture for next-generation electronic devices. However, their first-principles characterizations have been so far mostly limited to the equilibrium state due limitation of standard non-equilibrium Green's function approach. To overcome these challenges, we introd...

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