Qi Ma

ORCID: 0000-0003-4697-8322
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About
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Research Areas
  • Ferroelectric and Piezoelectric Materials
  • Multiferroics and related materials
  • Organic Chemistry Cycloaddition Reactions
  • Porphyrin and Phthalocyanine Chemistry
  • Synthesis and Biological Activity
  • Quantum Dots Synthesis And Properties
  • Chemical Synthesis and Reactions
  • Perovskite Materials and Applications
  • Synthesis and Characterization of Pyrroles
  • Freezing and Crystallization Processes
  • Ferroelectric and Negative Capacitance Devices
  • Catalytic C–H Functionalization Methods
  • Thallium and Germanium Studies
  • ZnO doping and properties
  • Electronic and Structural Properties of Oxides
  • Carbon dioxide utilization in catalysis
  • Catalytic Cross-Coupling Reactions
  • Food Quality and Safety Studies
  • Chalcogenide Semiconductor Thin Films
  • Dielectric properties of ceramics
  • Minerals Flotation and Separation Techniques
  • Synthesis and Biological Evaluation
  • Copper-based nanomaterials and applications

Huazhong University of Science and Technology
2020-2023

Wuhan National Laboratory for Optoelectronics
2023

Inner Mongolia University of Technology
2022

Zhengzhou University of Light Industry
2020

Shanxi Datong University
2017

Yunnan Normal University
2015

Cappadocia University
1998

Abstract The scale-free ferroelectric polarization of fluorite M O 2 ( = Hf, Zr) due to flat polar phonon bands are promising for nonvolatile memories. Defects also widely introduced improve the emergent ferroelectricity. However, their roles still not fully understood at atomic-level. Here, we report a significant effect point-defect-driven flattening with more modes and contribution in doped . La-doped can be significantly flattened, compared pure ones. lower energy barrier larger V -only...

10.1038/s41524-023-01075-8 article EN cc-by npj Computational Materials 2023-07-11

A simple and green method was developed for the reaction of 2-aminothiophenol benzaldehyde in self-neutralizing acidic CO2-alcohol system to produce benzothiazoles. series benzothiazole derivatives were successfully prepared from condensation cyclization or substituted with aliphatic, heteroaryl aryl aldehydes promoted by alkyl carbonic acid under mild conditions. Moreover, is also suitable synthesis 2-phenylbenzimidazole 2-phenylbenzoxazole. Additionally, this greatly simplified...

10.1080/10426507.2022.2033744 article EN Phosphorus, sulfur, and silicon and the related elements 2022-02-02

A rhodium-catalyzed decarbonylation/alkyne insertion cascade of phthalimides has been established. The reaction can be carried out in an operationally simple manner and provides expedient access to a series isoquinolones moderate good yields. This proceeded through sequential insertion/intramolecular annulation procedure featured functional group tolerance, ample substrate scope, the construction C-C C-N bonds one pot.

10.1039/d0ob01793k article EN Organic & Biomolecular Chemistry 2020-01-01

Above room temperature Tc, magnetism is becoming viable in diluted magnetic semiconductors, which show different orders, depending on the dopant type and their fabrication method. However, how defects can influence properties remains unclear at atomic level. In this article, by taking Co-doped tetragonal MO2 (t-MO2, M = Ti, Sn, Hf, Zr) as an example, density functional theory-based investigations that order mainly decided defect clustering effect, following a "defect-distance-based"...

10.1021/acs.jpcc.3c06278 article EN The Journal of Physical Chemistry C 2023-11-17
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