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Surface Diffusion in SnTe‐PbTe Monolayer Lateral Heterostructures

open access: yesAdvanced Functional Materials, EarlyView.
The lateral heterostructures between 2D materials often suffer from the interdiffusion at the interfaces. Here, a surface diffusion mechanism is found to be dominating at the interfaces between semiconducting SnTe and PbTe monolayers. Atomically sharp interfaces can be achieved by suppressing this diffusion process. ABSTRACT The construction of complex
Jing‐Rong Ji   +9 more
wiley   +1 more source

Enhanced spectro-temporal feature extraction for prosthetic control using variational mode decomposition. [PDF]

open access: yesSci Rep
Shafiq U   +9 more
europepmc   +1 more source
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A Singular Function Boundary Integral Method for Laplacian Problems with Boundary Singularities

SIAM Journal on Scientific Computing, 2006
A singular function boundary integral method for Laplacian problems with boundary singularities is analyzed. In this method, the solution is approximated by the truncated asymptotic expansion for the solution near the singular point and the Dirichlet boundary conditions are weakly enforced by means of Lagrange multiplier functions.
Xenophontos, Christos A.   +5 more
openaire   +2 more sources

An Improved Formulation of Singular Boundary Method

Advances in Applied Mathematics and Mechanics, 2012
This study proposes a new formulation of singular boundary method (SBM) to solve the 2D potential problems, while retaining its original merits being free of integration and mesh, easy-to-program, accurate and mathematically simple without the requirement of a fictitious boundary as in the method of fundamental solutions (MFS).
Chen, Wen, Gu, Yan
openaire   +2 more sources

Collocation Methods for Singular Boundary Value Problems

SIAM Journal on Numerical Analysis, 1978
The application of collocation methods based on piecewise polynomials to the numerical solution of boundary value problems for systems of ordinary differential equations with a singularity of the first kind is examined. The schemes are shown to be stable and convergent.
De Hoog, Frank R., Weiss, Richard
openaire   +2 more sources

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