Kaiyang Du

ORCID: 0000-0001-8570-1639
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About
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Research Areas
  • Liquid Crystal Research Advancements
  • Advanced Materials and Mechanics
  • Geological and Geochemical Analysis
  • Photonic Crystals and Applications
  • Geochemistry and Geochronology of Asian Mineral Deposits
  • Metamaterials and Metasurfaces Applications
  • Orbital Angular Momentum in Optics
  • High-pressure geophysics and materials
  • Geology and Paleoclimatology Research
  • earthquake and tectonic studies
  • Geochemistry and Geologic Mapping
  • Cephalopods and Marine Biology
  • Photochromic and Fluorescence Chemistry
  • Geological and Geophysical Studies

Hebei University of Technology
2022-2024

Tongji University
2020

Abstract Liquid crystalline blue phase (BP) with 3D cubic nanostructure has attracted much interest in the fields of photonic crystals due to their unique optical properties and ability control flow light. However, there remains a challenge for simultaneously achieving self‐assembly mechanochromic response soft nanostructures. Herein, scalable strategy preparation nanostructured films using oligomerization Michael addition reaction, which can induce assembly double‐twisted cylinders...

10.1002/smll.202310048 article EN Small 2024-01-26

10.3724/j.issn.1007-2802.20240140 article EN other-oa Bulletin of Mineralogy Petrology and Geochemistry 2025-02-01

Abstract Programing nanostructure of soft photonic crystal materials to try diversify has great potential for application in the field information security, lasing, and display. However, complex programming nanostructures regulating controlling their structural color stimuli‐response behavior remain a technical challenge. Here, strategy is demonstrated hybrid encoding crystals using cholesteric liquid films (CLCFs). The public secure can be easily edited through independent tuning Bragg...

10.1002/adom.202300046 article EN Advanced Optical Materials 2023-02-26

A self-assembled three-dimensional (3D) nanomaterial, blue phase liquid crystal (BPLC), with elastic deformation is the aim of a stimuli-responsive material because it combines 3D photonic nanostructure and rubber elasticity elastomer network. However, there still lack flexible approach to preparing BPLC films high low glass-transition temperature. Here, we develop reproducible scalable two-step protocol thiol-acrylate Michael addition (TAMA)–photopolymerization reaction for preparation...

10.1021/acsanm.2c02771 article EN ACS Applied Nano Materials 2022-08-29

Understanding the relationship between ultra-high-pressure (UHP) metamorphic rocks and their surrounding country is crucial for interpreting tectono-metamorphic dynamics within orogenic belts. This study focuses on Changning–Menglian belt in Southeast Tibet to delineate subduction history of Paleo-Tethys Ocean. We integrate garnet Sm–Nd Lu–Hf dating, rutile/zircon U–Pb geochronology, phase equilibria modeling, thermobarometry examine high-pressure...

10.5194/egusphere-egu24-5883 preprint EN 2024-03-08

Corona textures in high-grade metamorphic rocks, characterized by specific mineral assemblages, have been extensively studied, yet their direct dating remains a challenge. In an effort to ascertain the formation time and duration of corona textures, we undertook comprehensive petrochronological study, utilizing garnet Lu–Hf Sm-Nd alongside zircon U–Pb dating, on corona-bearing granulite from Miyun area North China Craton. This region, situated at intersection Archean...

10.5194/egusphere-egu24-6042 preprint EN 2024-03-08

On the basis of Landau-de Gennes theory and finite-difference iterative method, autonomic modulation chiral inversion in a cylindrical cavity with degenerate planar anchoring is investigated. Under applied helical twisting power (inversely related to pitch P), can be achieved due nonplanar geometry effect, capacity rises increase power. The combined effect saddle-splay K_{24} contribution (corresponding L_{24} term theory) are analyzed. It found that more strongly modulated on condition...

10.1103/physreve.107.034705 article EN Physical review. E 2023-03-27
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