Search Results - "Lei, Wenyu"
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1
A priori error estimates of regularized elliptic problems
Published in Numerische Mathematik (01-11-2020)“…Approximations of the Dirac delta distribution are commonly used to create sequences of smooth functions approximating nonsmooth (generalized) functions, via…”
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2
Numerical modeling of anisotropic ferroelectric materials with hybridizable discontinuous Galerkin methods
Published in Mathematical methods in the applied sciences (15-11-2023)“…We investigate a gradient flow structure of the Ginzburg–Landau–Devonshire (GLD) model for anisotropic ferroelectric materials by reconstructing its energy…”
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3
Numerical approximation of the integral fractional Laplacian
Published in Numerische Mathematik (01-06-2019)“…We propose a new nonconforming finite element algorithm to approximate the solution to the elliptic problem involving the fractional Laplacian. We first derive…”
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4
Finite Element Discretizations for Variable-Order Fractional Diffusion Problems
Published in Journal of scientific computing (01-10-2023)“…We present a finite element discretization scheme for multidimensional fractional diffusion problems with spatially varying diffusivity and fractional order…”
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5
A Weighted Hybridizable Discontinuous Galerkin Method for Drift-Diffusion Problems
Published in Journal of scientific computing (01-05-2024)“…In this work, we propose a weighted hybridizable discontinuous Galerkin method (W-HDG) for drift-diffusion problems. By using specific exponential weights when…”
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6
ZrTe2 Compound Dirac Semimetal Contacts for High-Performance MoS2 Transistors
Published in Nano letters (27-09-2023)“…Recent investigations reveal elemental semimetal (Bi and Sb) contacts fabricated with conventional deposition processes exhibit a remarkable capacity of…”
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7
The approximation of parabolic equations involving fractional powers of elliptic operators
Published in Journal of computational and applied mathematics (01-05-2017)“…We study the numerical approximation of a time dependent equation involving fractional powers of an elliptic operator L defined to be the unbounded operator…”
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8
High performance Ge/MoS2 heterojunction photodetector with a short active region
Published in Applied physics letters (29-07-2024)“…We present a Ge/MoS2 van der Waals heterojunction photodetector with a short active region constructed using a transfer process. The device exhibits broadband,…”
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9
Thickness-dependent carrier polarity of MoTe2 transistors with NiTe2 semimetal contacts
Published in Applied physics letters (06-11-2023)“…We demonstrated that the carrier polarity of MoTe2 transistors can be modulated by controlling the channel thickness with NiTe2 semimetal contacts. The…”
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10
High performance bilayer MoTe2 transistors with co-sputtered ternary HfAlO2 high-k dielectric
Published in Applied physics letters (18-03-2024)“…We demonstrated that ternary HfAlO2 amorphous film prepared with common co-sputtering technology can be a suitable gate dielectric for bilayer MoTe2…”
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11
High performance MoTe2/Si heterojunction photodiodes
Published in Applied physics letters (27-09-2021)“…We report the fabrication of high performance MoTe2/Si heterojunction photodiodes by direct growth of MoTe2 patterns on a commercial Si substrate by a feasible…”
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12
ZrTe 2 Compound Dirac Semimetal Contacts for High-Performance MoS 2 Transistors
Published in Nano letters (27-09-2023)Get full text
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13
High performance near-infrared MoTe2/Ge heterojunction photodetector fabricated by direct growth of Ge flake on MoTe2 film substrate
Published in Applied physics letters (22-08-2022)“…We demonstrated a feasible strategy to fabricate MoTe2/Ge heterojunction by direct growth of Ge flake on a MoTe2 film substrate with a two-step chemical vapor…”
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14
Vertical MoTe₂/Ge Heterojunction Photodiode for 1550-nm Near-Infrared Photodetection
Published in IEEE transactions on electron devices (01-12-2022)“…We demonstrate a vertical MoTe2/Ge heterojunction near-infrared photodiode that exhibits a low dark current density, an improved capacity of weak optical…”
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15
Reduced Schottky barrier height at metal/CVD-grown MoTe2 interface
Published in Applied physics letters (27-06-2022)“…We demonstrated that Schottky barrier height (SBH) at the metal/CVD-grown MoTe2 interface can be significantly reduced with tunnel contact by inserting a thin…”
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16
Adaptive media playout buffer management for latency optimization of mobile live streaming
Published in 2017 IEEE International Conference on Multimedia & Expo Workshops (ICMEW) (01-07-2017)“…Media playout buffer is widely employed by today's streaming media player to cope with short-term network variation and achieve continuous playout. However,…”
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Conference Proceeding -
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High‐Performance Large‐Scale Vertical 1T'/2H Homojunction CVD‐Grown Polycrystalline MoTe2 Transistors
Published in Advanced materials interfaces (01-05-2021)“…2D transition metal dichalcogenides (TMDs) have emerged as an ideal alternative to silicon in advanced electronics. Especially, MoTe2 attracts peculiar…”
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High‐Performance and Low‐Power Polycrystalline MoTe2 Thin Film Transistors with Solution‐Processed Ternary Oxide High‐k Dielectric
Published in Advanced materials interfaces (01-04-2022)“…Besides the widely investigated potential as alternative to silicon in microelectronics, semiconducting 2D transition metal dichalcogenides (TMDs) also show…”
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High‐Performance and Low‐Power Polycrystalline MoTe 2 Thin Film Transistors with Solution‐Processed Ternary Oxide High‐k Dielectric
Published in Advanced materials interfaces (01-04-2022)“…Abstract Besides the widely investigated potential as alternative to silicon in microelectronics, semiconducting 2D transition metal dichalcogenides (TMDs)…”
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20
Evaluating the Electrical Characteristics of Quasi-One-Dimensional ZrTe3 Nanoribbon Interconnects
Published in ACS applied electronic materials (28-09-2021)“…The aggressive scaling of integrated circuits requires both nanoscale device channels and interconnects. The current Cu interconnects suffer from the…”
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