Institute of High Performance Computing

navigation

People: Vibrant & Dynamic Culture

People

----

Engineering Mechanics (EM)

Dr. CAI Yongqing

Dr. CAI Yongqing


Research Interests:

  • First-principles study of electronic, optic, phonons, and magnetic properties of materials associated with dopants and defects;
  • Charge separation and transfer at surface or interface;
  • First-principles calculation and analysis of various spectra: Dielectric, Raman, IR, EELS, Plasma, and XPS.

Qualifications:

  • PHD in Physics,� National University of Singapore
  • M. Sc in Materials Science, Northwestern Polytechnical University,
  • Bachelor in Materials Science, Northwestern Polytechnical University

Published Journals/ Articles:

Journals

    • Zhaoqiang Bai, Yongqing Cai, Lei Shen, M Yang, Viloane Ko, Guchang Han, Yuanping Feng,“Magnetic and transport properties of Mn3-xGa/MgO/Mn3-xGa magnetic tunnel junctions: A first-principles study”, Appl. Phys. Lett. 100, 022408 (2012).
    • Yongqing Cai, Zhaoqiang Bai, Ming Yang, Yuan Ping Feng “Strain effect on the spin injection and electronic conductance of Co2CrAl/NaNbO3/Co2CrAl magnetic tunneling junction”, EPL 99, 37001 (2012).
    • Dechun Li, Ming Yang, Yongqing Cai, Shengzhi Zhao, Yuanping Feng,First principles study of the ternary complex model of EL2 defect in GaAs saturable absorber”, Optics Express 20, 6258 (2012).
    • Dechun Li, Ming Yang, Shengzhi Zhao, Yongqing Cai, and Yuanping Feng, “First principles study of Bismuth alloying effects in GaAs saturable absorber”, Optics Express 20, 11574 (2012).
    • Yongqing Cai, Chun Zhang, Yuan Ping Feng, “Dielectric properties and lattice dynamics of α-PbO2-type TiO2: The role of soft phonon modes in pressure-induced phase transition to baddeleyite-type TiO2, Phys. Rev. B 84, 094107 (2011).
    • Yongqing Cai, Miao Zhou, Minggang Zeng, Chun Zhang, Yuan Ping Feng, “Adsorbate and defect effects on electronic and transport properties of gold nanotubes”, Nanotechnology 22, 215702 (2011).
    • Yongqing Cai, Litong Zhang, Qingfeng Zeng, Laifei Cheng, and Yongdong Xu, “Infrared reflectance spectrum of BN calculated from first principles”, Solid State Commun. 141, 262 (2007).
    • Yongqing Cai, Litong Zhang, Qingfeng Zeng, Laifei Cheng, and Yongdong Xu, “First-principles study of vibrational and dielectric properties of �-Si3N4 Phys. Rev. B 74, 174301 (2006).

This page is last updated at: 19-MAR-2014