Hao Yang

ORCID: 0000-0002-0992-9161
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About
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Research Areas
  • Advanced Memory and Neural Computing
  • Plasmonic and Surface Plasmon Research
  • Gold and Silver Nanoparticles Synthesis and Applications
  • Ferroelectric and Negative Capacitance Devices
  • Aquatic Ecosystems and Phytoplankton Dynamics
  • HIV, Drug Use, Sexual Risk
  • Neuroscience and Neural Engineering
  • Perovskite Materials and Applications
  • Electrowetting and Microfluidic Technologies
  • Smart Grid and Power Systems
  • Strong Light-Matter Interactions
  • Spectroscopy and Quantum Chemical Studies
  • Metamaterials and Metasurfaces Applications
  • Quantum Dots Synthesis And Properties
  • Advanced Fiber Optic Sensors
  • Nanocluster Synthesis and Applications
  • Advanced Optical Sensing Technologies
  • Neural Networks and Reservoir Computing
  • Topic Modeling
  • Neural dynamics and brain function
  • Optical Systems and Laser Technology
  • Carbon and Quantum Dots Applications
  • Advanced Antenna and Metasurface Technologies
  • Photonic and Optical Devices
  • Near-Field Optical Microscopy

University of Southern California
2019-2024

Huawei Technologies (China)
2023

Nanjing Normal University
2017-2023

Nanjing Institute of Geography and Limnology
2021

Chinese Academy of Sciences
2021

Harbin Medical University
2020

First Affiliated Hospital of Harbin Medical University
2020

Universidad Nacional de Colombia
2019

Chiba University
2019

SRC
2019

Abstract High energy consumption and lack of readability under bright sunlight conventional transmissive display technology greatly limit the user experience mobile wearable devices. To solve this issue, a hybrid by overlaying full‐color reflective on top is invented. The key component based tandem switchable all‐dielectric metasurfaces. metasurfaces in large size (average area ≈5 cm 2 ) are invented fabricated low‐cost high‐throughput nanoimprint lithography. Each metasurface formed an...

10.1002/adom.201801639 article EN Advanced Optical Materials 2019-02-18

Plasmon-enhanced fluorescence is demonstrated in the vicinity of metal surfaces due to strong local field enhancement. Meanwhile, quenching observed as spacing between fluorophore molecules and adjacent reduced below a threshold few nanometers. Here, we introduce technology, placing plasmonic hotspots pairs collapsible nanofingers with tunable gap sizes at sub-nanometer precision. Optimal maximum plasmon enhanced are experimentally identified for different dielectric spacer materials. The...

10.1021/acsnano.0c01973 article EN ACS Nano 2020-10-23

A memristor-based hybrid analog-digital computing platform enables more energy-efficient and responsive mobile robotics.

10.1126/scirobotics.abb6938 article EN Science Robotics 2020-10-21

Polarization of photoactive materials in current photoelectric (PE) systems is difficult to be adjusted, and thus electron-transfer routes these are unchangeable, which limits their performance photoelectrochemical (PEC) analysis. Herein, we attempted modulate the polarization perovskite-based heterostructures by both situ semiconductor generation enzyme catalysis. Owing band alignments, Cs3Bi2Br9 quantum dots (QDs) BiOBr confirmed construct a Z-scheme structure, leading large anodic...

10.1021/acs.analchem.1c01457 article EN Analytical Chemistry 2021-05-27

As the leading cause of death, heart attacks result in millions deaths annually, with no end sight. Early intervention is only strategy for rescuing lives threatened by disease. However, detection time fastest heart-attack system >15 min, which too long considering rapid passage life. In this study, a machine learning (ML)-driven simple process, low-cost, short (only 10 s), and high precision developed. By utilizing functionalized nanofinger structure, even trace amount biomarker leaked...

10.1002/smll.202204719 article EN cc-by Small 2022-11-04

Plasmon–exciton–plasmon (PEP) couplings in Ag–J-aggregates–Ag (AJA) nanostructures are investigated using the finite element method. By adjusting geometry and incident angle, strong among localized surface plasmon resonances (LSPRs), exciton resonances, polaritons (SPPs) were achieved AJA nanostructure, resulting three new hybridized plexcimon modes. We carefully analyzed SPP–exciton–LSPR coupling behaviors nanostructure based on classic oscillator models obtained weighting efficiencies of...

10.1021/acs.jpcc.7b07596 article EN The Journal of Physical Chemistry C 2017-10-25

Artificial neuronal devices that functionally resemble biological neurons are important toward realizing advanced brain emulation and for building bioinspired electronic systems. In this Communication, the stochastic behaviors of a oscillator based on charge-density-wave (CDW) phase transition 1T-TaS2 thin film reported, capability to generate spike trains with statistical features closely matching those is demonstrated. The device result from melt-quench-induced reconfiguration CDW domains...

10.1021/acs.nanolett.1c00108 article EN Nano Letters 2021-04-09

Sediments have a significant influence on the cycling of nutrient elements in lake environments. In order to assess distribution characteristics and estimate bioavailability phosphorus nitrogen Dianchi Lake, organic inorganic forms were analysed. The 210Pb radiometric dating method was employed study temporal changes pools Lake. result show that total (TP) (TN) both at high concentrations, ranging from 697.5–3210.0 mg/kg 1263.7–7155.2 mg/kg, respectively. Inorganic (IP) (TON) main...

10.1007/s11769-018-0994-y article EN Chinese Geographical Science 2018-09-06

Abstract The development of all-dielectric metasurfaces vigorously prompts the applications optical for visible and near-IR light range. Compared to IR or longer wavelength light, have shorter wavelengths. As a result, surface roughness imperfections larger scattering absorption thereby directly affecting performance an metasurface. In this article, volume-current method is adopted study effect metasurface roughness. Numerical calculations based on finite difference time domain (FDTD) are...

10.1515/nanoph-2019-0501 article EN cc-by Nanophotonics 2020-04-21

Semiconductor photocatalysis has received increasing attention because of its potential to address problems related the energy crisis and environmental issues. However, conventional semiconductor photocatalysts, such as TiO2 ZnO, can only be activated by ultraviolet light due their wide band gap. To extend absorption into visible range, localized surface plasmon resonance (LSPR) effect noble metal nanoparticles (NPs) been widely used. Noble NPs couple incident strong LSPR, nonradiative decay...

10.3390/nano12213730 article EN cc-by Nanomaterials 2022-10-24

Memristive devices (i.e., memristors) can be highly beneficial in many emerging applications that may play important roles the future generations of electronic systems, such as bio-inspired neuromorphic computing, high density nonvolatile memory, and field programmable gate arrays. Therefore, memristor characteristics (such operation voltage, on/off ratio, number conductance states) must engineered carefully for different applications. Here, we demonstrate a method to modify specifically by...

10.1021/acsaelm.0c00148 article EN ACS Applied Electronic Materials 2020-05-05

Abstract Implementing algorithms purely on digital computing platforms dramatically halts the performance of conventional systems. Revolutionary systems with extreme energy efficiency and high accuracy are demanded to handle growing tasks. Here, research hybrid analog–digital enabled by memristor‐based optimization solvers for achieving ultrafast computations is presented. By utilizing tunable memristors as parameters solve linear programming (LP) quadratic (QP) problems, a real‐time control...

10.1002/adfm.202401600 article EN Advanced Functional Materials 2024-09-05

Abstract Memristive devices are promising candidates for analog computing applications such as neuromorphic computation. Larger dynamic ranges and more sufficient multilevel states can enable the significant development of memristor‐based utilizations. Herein, a method to improve switching performance memristors through hybrid tuning (coarse fine tuning) two sub‐filaments is demonstrated. The creation inside dielectric layer realized by deploying Pt metal islands in layer. Given different...

10.1002/admt.202300109 article EN cc-by-nc-nd Advanced Materials Technologies 2023-05-14

The unique properties of superhydrophobic surfaces have already been widely introduced into many applications and play a more important role in our daily life. However, different wetting states will lead to performances so that distinguishing the is essential. Until now, as it lacks an accurate nondestructive technology test real time, this prevents study phenomena their applications. Although has caught attention scientific community, there still no successful solution presented yet. Here,...

10.1116/6.0001187 article EN Journal of Vacuum Science & Technology B Nanotechnology and Microelectronics Materials Processing Measurement and Phenomena 2021-10-05

A two-dimensional photon counting imaging detector based on a vernier position sensitive anode is reported. the decode principle and design of are introduced in detail. system was built anode. image very weak optical radiation can be reconstructed by processing period integration time. resolution superior to 100 mu m according test. may realize particle flow high-energy photons, electrons ions, so it used for physics, deep space exploration, spectral measurement bio-luminescence detection.

10.1088/1674-1137/35/4/009 article EN Chinese Physics C 2011-04-01

ChatGPT has shown promising results for Machine Translation (MT).However, whether it is comparable to standard translation models and performs well in some specific domain remains as an open question.In this paper, we conduct human evaluations on its performance three domains using the Direct Assessment (DA) method.The evaluation result shows that a whole achieves with models, especially general domain.However, ChatGPT's inferior terms of translating domain-specific terminologies, appears be...

10.26615/issn.2683-0078.2023_023 article EN 2023-01-01

We investigated theoretically the multimode couplings in a three-layered Ag nanostructure composed of an nanodisk array, dielectric layer with J-aggregates, and substrate. Strong interactions among localized surface plasmons, exciton resonances plasmon polaritons result into three new hybrid modes (plexcimons). It has been found that dispersion curve middle-energy mode (MM) is much flatter than other two hence group velocity MM smaller light whole band. focused on influence oscillator...

10.1063/1.5124841 article EN Journal of Applied Physics 2019-10-15

Abstract The long-term accumulation, burial and release of nutrients, such as carbon (C), nitrogen (N) phosphorus (P) in lacustrine sediments are responsible for the global lake eutrophication. Interpretation spatiotemporal sedimentary record nutrients (C, N P) contrasting trophic level lakes is helpful understanding evolutionary process water Based on radiochronology 210 Pb ex 137 Cs, a comparative study spatial temporal concentrations, total organic (TOC), (TN) (TP), sources matter were...

10.21203/rs.3.rs-330131/v1 preprint EN cc-by Research Square (Research Square) 2021-06-02

Stoichiometry determines the key characteristics of organisms and ecosystems on a global scale provides strong instructions fate sediment carbon, nitrogen, phosphorus (C-N-P) during sedimentation process, contributing to Earth's C-N-P balance. However, mechanisms underlying C–N–P stoichiometry in response intensive human activity organic matter sources remain underexplored, especially freshwater ecosystems. This study identifies spatial patterns stoichiometry, reveals inner driving factors,...

10.2139/ssrn.4632051 preprint EN 2023-01-01
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