A5015779690- Advanced Materials and Mechanics
- Micro and Nano Robotics
- Advanced Sensor and Energy Harvesting Materials
- Modular Robots and Swarm Intelligence
- Multiferroics and related materials
- Advanced Condensed Matter Physics
- Ferroelectric and Piezoelectric Materials
- Magnetic properties of thin films
- Acoustic Wave Resonator Technologies
- Magnetic and transport properties of perovskites and related materials
- Molecular Communication and Nanonetworks
- Gas Sensing Nanomaterials and Sensors
- Microfluidic and Bio-sensing Technologies
- Metamaterials and Metasurfaces Applications
- Theoretical and Computational Physics
- Dielectric materials and actuators
- Electrohydrodynamics and Fluid Dynamics
- Advanced Antenna and Metasurface Technologies
- Photonic Crystals and Applications
- Plasmonic and Surface Plasmon Research
- Polymer composites and self-healing
- Transition Metal Oxide Nanomaterials
- 2D Materials and Applications
- Photonic and Optical Devices
- Physics of Superconductivity and Magnetism
Fudan University
2021-2025
Yiwu Science and Technology Research Institute
2021-2025
State Key Laboratory of ASIC and System
2021-2023
ETH Zurich
2017-2020
Paul Scherrer Institute
2018-2020
China National Petroleum Corporation (China)
2019
University of California, Los Angeles
2013-2017
Southeast University
2009
Magnetically coupled nanomagnets have multiple applications in nonvolatile memories, logic gates, and sensors. The most effective couplings been found to occur between the magnetic layers a vertical stack. We achieved strong coupling of laterally adjacent using interfacial Dzyaloshinskii-Moriya interaction. This is mediated by chiral domain walls out-of-plane in-plane regions dominates behavior below critical size. used this concept realize lateral exchange bias, field-free current-induced...
Patterned electrodes on a piezoelectric substrate are demonstrated to produce localized strain of sufficient magnitude control the magnetic anisotropy Ni island. Strain-induced was measured using magneto-optical Kerr effect, and shifts in were consistent with predicted linear finite element analysis. This approach overcomes effect clamping in-plane should be scalable thin films. represents key step toward realizing next generation mediated magneto-electric random access memory devices low...
With a specific stimulus, shape-memory materials can assume temporary shape and subsequently recover their original shape, functionality that renders them relevant for applications in fields such as biomedicine, aerospace, wearable electronics. Shape-memory polymers composites is usually achieved by exploiting thermal transition to program the shape. This may be problematic heat-sensitive environments, when rapid uniform heating required. In this work, soft magnetic composite produced...
Abstract Thermochromic window develops as a competitive solution for carbon emissions due to comprehensive advantages of its passivity and effective utilization energy. How further enhance the solar modulation ( $${\triangle T}_{{{{{{{\rm{sol}}}}}}}}$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msub> <mml:mrow> <mml:mo>△</mml:mo> <mml:mi>T</mml:mi> </mml:mrow> <mml:mi>sol</mml:mi> </mml:msub> </mml:math> ) thermochromic windows while ensuring high luminous transmittance...
Hydrogels are soft materials composed of a three-dimensional (3D) hydrophilic polymer network filled with large amount water. Different from rigid machines, hydrogel-based robots encoded energy conversion mechanisms that allow sensing, adaption, transformation, and response in complex environments. In this perspective, we discuss the advances challenges hydrogel for robotic sensing applications. first part, introduce stimuli-responsive sensors can receive external inputs different stimuli...
Experimental results demonstrate the ability of a surface electrode pattern to produce sufficient in-plane strain in PbZr0.52Ti0.48O3 (PZT) thin film clamped by Si substrate control magnetism 1000 nm diameter Ni ring. The and ring/PZT heterostructure were designed using finite element based micromagnetics code. magnetoelectric heterostructures fabricated on PZT e-beam lithography characterized magnetic force microscopy. Application voltage electrodes moved one “onion” state domain walls....
Nanomagnets are a promising low-power alternative to traditional computing. However, the successful implementation of nanomagnets in logic gates has been hindered so far by lack reliability. Here, we present novel design with dipolar-coupled arranged on square lattice (i) support transfer information and (ii) perform operations. We introduce thermal protocol, using thermally active as means computation. Within this scheme, initialized global magnetic field relax raising temperature resistive...
Freestanding single-crystalline nanomembranes and their assembly have broad application potential in photodetectors for integrated chips. However, the release self-assembly process of semiconductor still remains a great challenge on-chip processing functional integration, based on nanomembrane always suffer from limited absorption nanoscale thickness. Here, non-destructive releasing rolling is employed to prepare tubular freestanding Si nanomembranes. Spontaneous are achieved by residual...
Releasing pre-strained two-dimensional nanomembranes to assemble on-chip three-dimensional devices is crucial for upcoming advanced electronic and optoelectronic applications. However, the release process affected by many unclear factors, hindering transition from laboratory industrial Here, we propose a quasistatic multilevel finite element modeling structures offer verification results various bilayer nanomembranes. Take Si/Cr nanomembrane as an example, confirm that structural formation...
This paper presents an analytical model coupling Landau-Lifshitz-Gilbert micromagnetics with elastodynamics and electrostatics to the response of a single domain magnetoelastic nano-element attached piezoelectric thin film (500 nm). The is mounted on Si substrate, globally clamping from in-plane extension or contraction. Local strain transfer element achieved using patterned electrodes. system equations reduced eight coupled partial differential as function voltage (V), magnetic potential ϕ,...
Uncooled infrared detection based on vanadium dioxide (VO2) radiometer is highly demanded in temperature monitoring and security protection. The key to its breakthrough fabricate bolometer arrays with great absorbance excellent thermal insulation using a straightforward procedure. Here, we show tubular by one-step rolling VO2 nanomembranes enhanced detection. geometry enhances the insulation, light absorption, sensitivity of freestanding nanomembranes. This exhibits detectivity ~2 × 108 cm...
Developing switchable and multifunctional metasurfaces is essential for high-integration photonics. However, most previous studies encountered challenges such as limited degrees of freedom, simple tuning predefined functionality, complicated control systems. Here, we develop a general strategy to construct metasurfaces. Two spin-modulated wave-controls are enabled by the proposed high-efficiency metasurface, which designed using both resonant geometric phases. Furthermore, wavefront...
Dynamically controlling electromagnetic waves at will is highly desired in many applications, but most previously realized mechanically reconfigurable metasurfaces are of restricted wave-control capabilities due to the limited tuning ranges structural properties (e.g., lattice constant or meta-atoms). Here, we present which both constants and local reflection phases constitutional meta-atoms can be synchronously controlled based on kirigami rotation transformation, thereby exhibiting...
Abstract Precisely capturing and manipulating microscale objects, such as individual cells microorganisms, is fundamental to advancements in biomedical research microrobotics. Photoactuators based on optical fibers serving flexible, unobstructed waveguides are well‐suited for these operations, particularly confined locations where free‐space illumination impractical. However, integrating with actuators poses significant challenges due size mismatch, resulting slow responses inadequate...
Nanomagnetic logic is promising for low-power computing, and integration of data processing memory in the same architecture. In this work thermal relaxation paths associated with operations artificial spin ice are considered, which involve switching individual nanomagnets toward a low-energy state. Both monotonic intermittent have been identified, lend themselves to deterministic probabilistic computing respectively. Furthermore, balance competing can be shifted, essential implementing...
Weak interactions, non-uniformity and powdery assemblies limit the wide application of metal organic framework (MOF) in devices. Here we report a new strategy for area-selective assembly MOF particles to prepare thin film with assistance atomic layer deposition (ALD). Self-assembled hierarchically porous Fe-based (PCN-333) films were formed on both flat complex three-dimensional (3D) substrates by combining gas liquid fabrication approaches, can be precisely patterned photolithography. We...
Abstract Noninvasive and real‐time detection of bilirubin concentration enables rapid assessment liver health status the diagnosis jaundice‐related diseases. Herein, study proposes a strategy to uniformly grow bimetallic FeCo metal–organic framework (MOF) films onto surface carbonized electrospun nanofibers via stepwise growth involving an induction effect oxide nanomembrane prepared by atomic layer deposition, realize high‐performance flexible nanofiber sensors. Compared with monometallic...
Miniaturized reconstructive spectrometers play a pivotal role in on-chip and portable devices, offering high-resolution spectral measurement through precalibrated responses AI–driven reconstruction. However, two key challenges persist for practical applications: artificial intervention algorithm parameters compatibility with complementary metal-oxide-semiconductor (CMOS) manufacturing. We present cutting-edge miniaturized spectrometer that incorporates self-adaptive referenced Fabry–Perot...