Cheng Chen

ORCID: 0000-0003-3062-9048
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About
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Research Areas
  • X-ray Diffraction in Crystallography
  • Crystallization and Solubility Studies
  • Graphene research and applications
  • Semiconductor materials and devices
  • GaN-based semiconductor devices and materials
  • Intermetallics and Advanced Alloy Properties
  • Crystallography and molecular interactions
  • Advanced Materials and Mechanics
  • High Temperature Alloys and Creep
  • 2D Materials and Applications
  • Advanced Sensor and Energy Harvesting Materials
  • Heat Transfer and Optimization
  • Quantum and electron transport phenomena
  • Microstructure and mechanical properties
  • Fusion materials and technologies
  • Carbon Nanotubes in Composites
  • Thermal properties of materials
  • Nuclear Materials and Properties
  • Advanced Materials Characterization Techniques
  • Semiconductor Quantum Structures and Devices
  • Machine Learning in Materials Science
  • Semiconductor materials and interfaces
  • Adhesion, Friction, and Surface Interactions
  • Electronic and Structural Properties of Oxides
  • Photonic and Optical Devices

Northwestern Polytechnical University
2013-2025

Beijing Anzhen Hospital
2024

Capital Medical University
2024

Ministry of Education
2024

University of Oxford
2024

ShanghaiTech University
2024

Shandong University of Science and Technology
2023-2024

Meta (United States)
2024

Xuzhou Medical College
2023

Hunan Xiangdian Test Research Institute (China)
2023

Abstract The unusual properties of superconductivity in magic-angle twisted bilayer graphene (MATBG) have sparked considerable research interest 1–13 . However, despite the dedication intensive experimental efforts and proposal several possible pairing mechanisms 14–24 , origin its remains elusive. Here, by utilizing angle-resolved photoemission spectroscopy with micrometre spatial resolution, we reveal flat-band replicas superconducting MATBG, where MATBG is unaligned hexagonal boron...

10.1038/s41586-024-08227-w article EN cc-by Nature 2024-12-11

Cardiac fibrosis is a prevalent pathological process observed in the progression of numerous cardiovascular diseases and associated with an increased risk sudden cardiac death. Although BRD4 inhibitor JQ1 has powerful antifibrosis properties, its clinical application extremely limited due to side effects. There remains unmet need for effective, safe, low-cost treatments. Here, we present multifunctional biomimetic nanoparticle drug delivery system (PM&EM nanoparticles) assembled by platelet...

10.1021/acsnano.4c04814 article EN cc-by-nc-nd ACS Nano 2024-08-22

ConspectusDislocation loops (DLs), characterized by closed dislocation lines, are a category of defects vital importance in determining the mechanical properties metals, particularly under extreme conditions, such as irradiation, severe plastic deformation, and hydrogen embrittlement. These loops, more intricate than simple dislocations, exhibit far reaction evolution pathways arising from loop type transformation associated planar fault transition. This can significantly alter activities...

10.1021/accountsmr.4c00296 article EN other-oa Accounts of Materials Research 2025-03-05

The effectiveness of AI-driven drug discovery can be enhanced by pretraining on small molecules. However, the conventional masked language model techniques are not suitable for molecule due to limited vocabulary size and non-sequential structure To overcome these challenges, we propose FragAdd, a strategy that involves adding chemically implausible molecular fragment input molecule. This approach allows incorporation rich local information generation high-quality graph representation, which...

10.26599/bdma.2024.9020003 article EN cc-by Big Data Mining and Analytics 2024-02-27

Alzheimer's disease (AD) is a severe neurodegenerative condition characterized by inflammation, beta-amyloid (Aβ) plaques, and neurodegeneration, which currently lack effective treatments. Chiral nanomaterials have emerged as promising option for treating disorders due to their high biocompatibility, strong sustained release ability, specific enantiomer selectivity. The development of stimulus-responsive chiral nanomaterial, UiO-66-NH2 @l-MoS2 QDs@PA-Ni (MSP-U), the treatment AD reported....

10.1002/smll.202303530 article EN Small 2023-08-27

We report the highly-integrated intelligent dual dielectric switches that serving for temperature-adjustable multifunctional device.

10.1039/c7tc02087b article EN Journal of Materials Chemistry C 2017-01-01

The present work presents a quantitative modeling framework for investigating the self-rolling of nanomembranes under different lattice mismatch strain anisotropy. effect transverse on roll-up direction and curvature has been systematically studied employing both analytical numerical simulations. bidirectional nature critical role in affecting rolling behaviors have demonstrated. Two fabrication strategies, i.e., third-layer deposition corner geometry engineering, proposed to predictively...

10.1088/1361-6528/aa94aa article EN Nanotechnology 2017-10-19

The relationship between microstructures, surface activities, and mechanical properties of γ-irradiated carbon fibers has been evaluated quantitatively.

10.1039/c7ay02852k article EN Analytical Methods 2017-12-27

The microtubes made through rolling-up of strain-engineered nanomembranes have received growing research attention after their first invention due to the technology's high flexibility, integrability, and versatility. These rolled-up been used for a variety device applications including sensors, batteries transistors, among others. This paper reports development highly sensitive whispering-gallery mode (WGM) chemical sensors based on microtube optical microcavities (RUM-OCs). For time, such...

10.1088/1361-6528/aad0b1 article EN Nanotechnology 2018-07-03

The core structures and slip characteristics of (a+c)-edge dislocations on pyramidal planes in wurtzite GaN were investigated employing molecular dynamics simulations. Multiple stable configurations are identified for along the glide shuffle planes. corresponding generalized-stacking-fault energy (GSFE) curves slips calculated. GSFE curves, combined with Peierls–Nabarro model, demonstrate that is favored over given markedly lower Peierls stress slip. Our findings also indicate general...

10.1063/1.4921289 article EN Journal of Applied Physics 2015-05-15

First-principles density functional theory calculations were employed to systematically examine the effects of Mg and Al additions wurtzite GaN on generalized stacking fault energy (GSFE) curves for (11¯00)[112¯0] (11¯00)[0001] dislocations along glide or shuffle slip planes. It was found that both systems, doping leads significant reduction GSFE while elevates curve. For each dopant, effect shown scale linearly with dopant concentration, being independent (i.e., shuffle) plane. The...

10.1063/1.4941763 article EN Journal of Applied Physics 2016-02-11

The unusual properties of superconductivity in magic-angle twisted bilayer graphene (MATBG) have sparked enormous research interest. However, despite the dedication intensive experimental efforts and proposal several possible pairing mechanisms, origin its remains elusive. Here, using angle-resolved photoemission spectroscopy with micrometer spatial resolution, we discover replicas flat bands superconducting MATBG unaligned hexagonal boron nitride (hBN) substrate, which are absent...

10.48550/arxiv.2303.14903 preprint EN cc-by arXiv (Cornell University) 2023-01-01
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