Yang Qi

ORCID: 0000-0003-1915-474X
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About
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Research Areas
  • Crystallization and Solubility Studies
  • X-ray Diffraction in Crystallography
  • Physics of Superconductivity and Magnetism
  • Magnetic and transport properties of perovskites and related materials
  • ZnO doping and properties
  • Gas Sensing Nanomaterials and Sensors
  • Magnetic confinement fusion research
  • Fusion materials and technologies
  • Copper-based nanomaterials and applications
  • Ionosphere and magnetosphere dynamics
  • Advanced materials and composites
  • Advancements in Battery Materials
  • Metal and Thin Film Mechanics
  • Superconductivity in MgB2 and Alloys
  • Electronic and Structural Properties of Oxides
  • Ga2O3 and related materials
  • Ion-surface interactions and analysis
  • Crystallography and molecular interactions
  • Supercapacitor Materials and Fabrication
  • Intermetallics and Advanced Alloy Properties
  • Advanced ceramic materials synthesis
  • High-pressure geophysics and materials
  • Electromagnetic wave absorption materials
  • Advanced Condensed Matter Physics
  • Electrochemical sensors and biosensors

Northeastern University
2016-2025

Universidad del Noreste
2014-2025

Ministry of Education
2025

Construction Development (Qatar)
2025

Dalian University of Technology
2014-2025

Xinjiang Medical University
2025

TU Wien
2024

Guizhou Electric Power Design and Research Institute
2024

Jinyintan Hospital
2024

Zhejiang University
2024

Potassium niobate (KNbO3) microcubes with orthorhombic and tetragonal phases were hydrothermally prepared characterized by powder X-ray diffraction, nitrogen adsorption–desorption, micro-Raman spectroscopy, Fourier transform infrared diffuse reflectance UV-visible photoelectron scanning electron microscopy, high-resolution transmission microscopy. The photoreactivity of the as-prepared KNbO3 samples was evaluated regarding hydrogen evolution from aqueous methanol under UV, results compared...

10.1039/c3nr02356g article EN Nanoscale 2013-01-01

Dual-phase ErZn2/ErZn composite was obtained by induction-melting method. The crystallizes in the phases of ErZn2 and ErZn with weight ratio 53.8:46.2. undergoes two successive magnetic phase transitions. And accordingly peaks (partly overlapped) are appeared temperature dependence part entropy change ΔSM(T) curves which resulting a table-like magnetocaloric effect (MCE) large refrigerant capacity (RC). MCE parameters comparable or even larger than most recently reported potential materials...

10.1080/21663831.2017.1393778 article EN cc-by Materials Research Letters 2017-10-25

We report a new three-step mechanism for the formation and growth of carbonaceous spheres by hydrothermal carbonization saccharides using sucrose as precursor material.

10.1039/c5ra26725k article EN RSC Advances 2016-01-01

Abstract We report the formation of wave-like structures and nanostructured fuzzes in polycrystalline tungsten (W) irradiated with high-flux low-energy helium (He) ions. From conductive atomic force microscope measurements, we have simultaneously obtained surface topography current emission images W materials. Our measurements show that He-enriched strips are formed crystal grains when they exposed to He ions at a temperature 1400 K. The experimental confirmed by theoretical calculations,...

10.1038/srep10959 article EN cc-by Scientific Reports 2015-06-16

1D perovskite-type orthorhombic KNbO<sub>3</sub> nanowires display RhB photodegradation about two-fold as large their monoclinic counterparts and a synergy between ferroelectric polarization electronic structure in photoreactivity enhancement is uncovered.

10.1039/c5sc00766f article EN cc-by-nc Chemical Science 2015-01-01

The properties of a material are sensitive to chemically-ordered structure in multi-element alloys. Understanding the effects chemical short-range order (SRO) on magnetic and mechanical is important. In this work, we use Monte Carlo method combination with density functional theory investigate atomic nearest neighbor distribution, moment elastic modulus FeCoNi (AlSi)x It found that prominent feature alloys change SRO parameters: parameters positive between Al-Al, Al-Si, Si-Si pairs negative...

10.3390/met7110482 article EN cc-by Metals 2017-11-06

The development of high-capacity adsorbents is pivotal for the removal antimonite (Sb(III)) and antimonate (Sb(V)) as priority pollutants in water. Herein, a Fe-La-doped biomass carbon adsorbent (Cs/Fe-La) was prepared efficient both Sb(III) Sb(V). Cs/Fe-La shows excellent adsorption behavior Sb(V) at 40 °C with maximum capacity 498 337 mg/g, respectively. Additionally, antimony mechanism contribution composition to high were analyzed based on characterization physicochemical analysis...

10.1021/acssuschemeng.1c01851 article EN ACS Sustainable Chemistry & Engineering 2021-06-23

Bismuth sulfide (Bi2S3) is a specific thermoelectric material that properties are anisotropic. One dimensional Bi2S3 structure would improve the conductivity and Seebeck coefficient because of anisotropic electron transmission phonon scattering. The nanostructures with different morphologies prepared by modified composite molten salt method. nanowires lengths up to 20 μm high crystallization obtained. synthesized samples comparatively investigated. We find power factor film made from much...

10.1021/jp307742s article EN The Journal of Physical Chemistry C 2013-02-28

Ag nanoparticles supported on well-defined perovskite orthorhombic KNbO3 nanowires are synthesized via facile photoreduction and systematically characterized by XRD, Raman, DRUV–vis, XPS, PL, TEM, HRTEM, HAADF-STEM. The photoreactivity of Ag/KNbO3 nanocomposites as a function contents (0.4–2.8 wt %) is assessed toward aqueous rhodamine B degradation under UV- visible-light, respectively. It found that the UV-induced initially increases then decreases with increasing contents. At an optimal...

10.1021/acs.jpcc.5b11297 article EN The Journal of Physical Chemistry C 2016-01-12

Abstract Ion internal transport barriers (iITBs) are first observed in neutral beam injection (NBI) heated plasmas at the HL-2A tokamak. The position of barrier foot, stationary state, coincides with q = 1 surface within its uncertainty measurement. iITBs can develop more easily beginning NBI heating. Also, unstable for sawtooth plasma. Simulations reveal that thermal diffusivity ions ( χ i ) inside be as low neoclassical level. It is flow shear iITB state reaches level required suppressing...

10.1088/0029-5515/56/5/056003 article EN Nuclear Fusion 2016-03-31
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