Ziyi Liu

ORCID: 0009-0009-2775-4172
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Research Areas
  • Electromagnetic wave absorption materials
  • Advanced Antenna and Metasurface Technologies
  • MXene and MAX Phase Materials
  • Plasmonic and Surface Plasmon Research
  • Terahertz technology and applications
  • Photonic Crystals and Applications
  • Liquid Crystal Research Advancements
  • Metamaterials and Metasurfaces Applications
  • Millimeter-Wave Propagation and Modeling
  • Biofield Effects and Biophysics
  • Advanced Nanomaterials in Catalysis
  • Nonlinear Photonic Systems
  • Quantum optics and atomic interactions
  • Orbital Angular Momentum in Optics
  • Nanocluster Synthesis and Applications
  • Advanced Materials and Mechanics
  • Advanced Fiber Laser Technologies
  • Fibroblast Growth Factor Research
  • Diatoms and Algae Research
  • Magnetic Properties and Synthesis of Ferrites
  • Laser-Matter Interactions and Applications
  • Magnesium Alloys: Properties and Applications
  • Photochromic and Fluorescence Chemistry
  • Kruppel-like factors research
  • Solid State Laser Technologies

Energy Research Institute
2024-2025

South China University of Technology
2024-2025

Shenzhen University
2024

Chinese Academy of Agricultural Sciences
2024

Harbin Institute of Technology
2024

Harbin Engineering University
2021-2023

Anhui Polytechnic University
2022-2023

Westlake University
2023

University of Electronic Science and Technology of China
2021

Southwest University of Science and Technology
2015

In this paper, we proposed a terahertz (THz) metamaterial sensor, which consists of an array with two mirrored double split ring resonators (DSRRs) in one unit cell deposited on lossless polyimide substrate. The THz spectral response show that when the DSRRs are mirror symmetric and center simultaneously, types symmetry-protected bound states continuum (BICs) can be generated incident polarization unchanged. When gaps short or long arms DSRRs, different modes BIC observed. By breaking...

10.1364/ome.523542 article EN cc-by Optical Materials Express 2024-05-06

It is generally accepted that the bound states in continuum (BICs) are usually realized a one-dimensional system by TM-polarized light incident at Brewster's angle. However, optimal BICs can be achieved only under specific and polarization angle, which poses challenges to its experimental implementation. Serving this purpose, we design composed of an anisotropic material (AM) embedded photonic crystals (1D-PhCs), demonstrating both TE TM waves realize BICs. Moreover, existence does not hinge...

10.1364/ol.543832 article EN Optics Letters 2025-01-17

ABSTRACT Cu‐based nanomaterials have demonstrated great potential for catalyzing the electrosynthesis of oxime compounds, a type organonitrogen molecule that finds versatile applications in pharmaceutical industry, medicine production, chemical feedstocks, and other fields. This review first explains significance compounds compares conventional synthetic approach with emerging electrochemical method. Then, including compounds/composites, bimetallic alloys, high entropy single‐atom catalysts...

10.1002/cmt2.36 article EN cc-by cMat. 2025-03-01

Bound states in the continuum (BICs) have been widely observed many symmetric geometries optical system during last decade. Here, we consider a scenario which structure is designed asymmetrically with anisotropic birefringent material embedded one-dimensional photonic crystals. This kind of new shape opens possibility obtaining symmetry-protected BICs (SP-BICs) and Friedrich–Wintgen (FW-BICs) form tunable anisotropy axis tilt. Interestingly, these can be as high-Q resonances by variation...

10.1364/oe.482894 article EN cc-by Optics Express 2023-01-25

We present a dynamically tunable anomalous electromagnetic induced transparency (EIT) of cavity-integrated metallic grating by the coupling guided-mode resonance (GMR) with cavity-mode (CMR) in terahertz regime. The strong group slowing effect waves results from EIT mechanism under simultaneous excitation GMR and CMR at degenerate state. With introduction graphene as functional layer overlying structure, enhanced delay can be achievable beyond 6.1 ps stable operation frequency signal...

10.1364/josab.423900 article EN Journal of the Optical Society of America B 2021-04-09

The unification of the four forces is ultimate goal physics. At present, humans have not really unified power and strong force, source force remains a mystery. In 2018, Liu Yun proposed new formula to accurately calculate static mass particles. Later, Ziyi assumed that particle was composed three charges with integer 1, believed particle's high rate spin produced force. According Coulomb's law relativity, he deduced for coefficient between particles Λc(2287), found decreases increase...

10.56028/aetr.4.1.132.2023 article EN Advances in Engineering Technology Research 2023-03-20

Abstract The bound state in the continuum (BIC) is a singular point of polarization momentum space periodic structure. It has been demonstrated that vortex beams can be generated by utilizing around BIC based on geometric phase space. In this letter, we propose reflective photonic crystal (PhC) to generate beam and demonstrate superimposition topological charges between PhC beams. addition BICs, other singularities like degenerate points also used

10.1088/1361-6463/acca2e article EN Journal of Physics D Applied Physics 2023-04-04
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