40 citations · 201 across the 12 of their papers we have counts for
12 papers
Ab Initio Transfer Length Method Simulations of Tunneling Limits in 2D Semiconductors
Tae Hyung Kim, Juho Lee, Yong-Hoon Kim
As semiconductor devices approach the sub-2 nm technology node, identifying the quantum-mechanical limits of contact-resistance scaling becomes imperative; however, the transition…
Ab initio calculation of the nonequilibrium adsorption energy
Juho Lee, Hyeonwoo Yeo, Ryong-Gyu Lee +1
While first-principles calculations of electrode-molecule binding play an indispensable role in obtaining atomic-level understanding in surface science and electrochemistry, a sign…
Quantum hybridization negative differential resistance from non-toxic halide perovskite nanowire heterojunctions and its strain control
Juho Lee, Muhammad Ejaz Khan, Yong-Hoon Kim
While low-dimensional organometal halide perovskites are expected to open up new opportunities for a diverse range of device applications, like in their bulk counterparts, the toxi…
Gate-versus defect-induced voltage drop and negative differential resistance in vertical graphene heterostructures
Tae Hyung Kim, Juho Lee, Ryong-Gyu Lee +1
Vertically stacked two-dimensional (2D) van der Waals (vdW) heterostructures based on graphene electrodes represent a promising architecture for next-generation electronic devices.…
Multi-space excitation as an alternative to the Landauer picture for non-equilibrium quantum transport
Juho Lee, Han Seul Kim, Yong-Hoon Kim
While the Landauer viewpoint constitutes a modern basis to understand nanoscale electronic transport and to realize first-principles implementations of the non-equilibrium Green's…
Quasi-Fermi level splitting in nanoscale junctions from
Juho Lee, Hyeonwoo Yeo, Yong-Hoon Kim
The splitting of quasi-Fermi levels (QFLs) represents a key concept utilized to describe finite-bias operations of semiconductor devices, but its atomic-scale characterization rema…
Semimetallicity and Negative Differential Resistance from Hybrid Halide Perovskite Nanowires
Muhammad Ejaz Khan, Juho Lee, Seongjae Byeon +1
In the rapidly progressing field of organometal halide perovskites, the dimensional reduction could open up new opportunities for device applications. Herein, taking the recently s…
Origin and Control of Polyacrylonitrile Alignments on Carbon Nanotube and Graphene Nanoribbon
Juho Lee, Ji Il Choi, Art E. Cho +3
While one of the most promising applications of carbon nanotubes (CNTs) is to enhance polymer orientation and crystallization to achieve advanced carbon fibers, the successful real…
Stretching-induced conductance variations as fingerprints of contact configurations in single-molecule junctions
Yong-Hoon Kim, Hu Sung Kim, Juho Lee +2
Molecule-electrode contact atomic structures are a critical factor that characterizes molecular devices, but their precise understanding and control still remain elusive. Based on…
Diatomic molecule as a testbed for combining DMFT with electronic structure methods such as and DFT
Juho Lee, Kristjan Haule
We implemented combination of DMFT and in its fully self-consistent way, one shot approximation, and quasiparticle self-consistent scheme, and studied how well these comb…
Metal-Mott insulator interfaces
Juho Lee, Chuck-Hou Yee
Motivated by the direct observation of electronic phase separation in first-order Mott transitions, we model the interface between the thermodynamically coexisting metal and Mott i…
Dynamical Mean Field Theory for Diatomic Molecules and the Exact Double Counting
Juho Lee, Kristjan Haule
Dynamical mean field theory (DMFT) combined with the local density approximation (LDA) is widely used in solids to predict properties of correlated systems. In this paper, its appl…