181 citations · 731 across the 12 of their papers we have counts for
12 papers
Graphene kirigami as a platform for stretchable and tunable quantum dot arrays
D. A. Bahamon, Zenan Qi, Harold. S. Park +2
The quantum transport properties of a graphene kirigami similar to those studied in recent experiments are calculated in the regime of elastic, reversible deformations. Our results…
Highly Stretchable MoS Kirigami
Paul Z. Hanakata, Zenan Qi, David K. Campbell +1
We report the results of classical molecular dynamics simulations focused on studying the mechanical properties of MoS kirigami. Several different kirigami structures were st…
Conductance signatures of electron confinement induced by strained nanobubbles in graphene
D. A. Bahamon, Zenan Qi, Harold S. Park +2
We investigate the impact of strained nanobubbles on the conductance characteristics of graphene nanoribbons using a combined molecular dynamics - tight-binding simulation scheme.…
Coupling Tension and Shear for Highly Sensitive Graphene-Based Strain Sensors
Zenan Qi, Jian Zhang, Guiping Zhang +1
We report, based on its variation in electronic transport to coupled tension and shear deformation, a highly sensitive graphene-based strain sensor consisting of an armchair graphe…
Highly Deformable Graphene Kirigami
Zenan Qi, Harold S. Park, David K. Campbell
Graphene's exceptional mechanical properties, including its highest-known stiffness (1 TPa) and strength (100 GPa) have been exploited for various structural applications. However,…
Pseudomagnetic fields in graphene nanobubbles of constrained geometry: A molecular dynamics study
Zenan Qi, Alexander L. Kitt, Harold S. Park +3
Analysis of the strain-induced pseudomagnetic fields (PMFs) generated in graphene nanobulges under three different substrate scenarios shows that, in addition to the shape, the gra…
Density functional theory calculation of edge stresses in monolayer MoS
Zenan Qi, Penghui Cao, Harold S. Park
We utilize density functional theory to calculate the edge energy and edge stress for monolayer MoS nanoribbons. In contrast to previous reports for graphene, for both armcha…
FPU physics with nanomechanical graphene resonators: intrinsic relaxation and thermalization from flexural mode coupling
Daniel Midtvedt, Zenan Qi, Alexander Croy +2
Thermalization in nonlinear systems is a central concept in statistical mechanics and has been extensively studied theoretically since the seminal work of Fermi, Pasta and Ulam (FP…
Elastic Bending Modulus of Single-Layer Molybdenum Disulphide (MoS2): Finite Thickness Effect
Jin-Wu Jiang, Zenan Qi, Harold S. Park +1
We derive, from an empirical interaction potential, an analytic formula for the elastic bending modulus of single-layer MoS2 (SLMoS2). By using this approach, we do not need to def…
Resonant tunneling in graphene pseudomagnetic quantum dots
Zenan Qi, D. A. Bahamon, Vitor M. Pereira +3
Realistic relaxed configurations of triaxially strained graphene quantum dots are obtained from unbiased atomistic mechanical simulations. The local electronic structure and quantu…
A molecular simulation analysis of producing monatomic carbon chains by stretching ultranarrow graphene nanoribbons
Zenan Qi, Fengpeng Zhao, Xiaozhou Zhou +3
Atomistic simulations were utilized to develop fundamental insights regarding the elongation process starting from ultranarrow graphene nanoribbons (GNRs) and resulting in monatomi…
Intrinsic Energy Dissipation in CVD-Grown Graphene Nanoresonators
Zenan Qi, Harold S. Park
We utilize classical molecular dynamics to study the the quality (Q)-factors of monolayer CVD-grown graphene nanoresonators. In particular, we focus on the effects of intrinsic gra…