Contact Information
  Location (Office) N23-3004
  Phone  (853)8822-9959
  Fax  (853)8822-2454
  E-mail yongqingcai



Ph.D.Physics, National University of Singapore, Singapore, 2012.
M.S.Materials Science, Northwestern Polytechnic University, China, 2007.
B.S.Materials Science, Northwestern Polytechnic University, China, 2004.


Aug 2019 – presentAssistant Professor, Institute of Applied Physics and Materials Engineering, University of Macau, China
Mar 2019 – Jul 2019Scientist III, Institute of High Performance Computing, A*STAR, Singapore
Mar 2016 – Feb 2019Scientist II, Institute of High Performance Computing, A*STAR, Singapore
Jan 2013 – Feb 2016Scientist I, Institute of High Performance Computing, A*STAR, Singapore
Mar 2012 – Dec 2012Research Fellow, Physics Dept., National University of Singapore, Singapore
Aug 2011 – Feb 2012Research Associate, Physics Dept., National University of Singapore, Singapore


 Research Interests

Computational materials science and physics, in particular:

  • Simulating phonons and other quantum quasiparticles in condensed matters;
  • Phase transitions;
  • Materials informatics and artificial intelligence.

 Research Group       


   Undergraduate Courses

  • Green Energy for Global Society (GEGA1006)

   Ph.D. Courses

  • To be announced


  1. Jiaren Yuan, Yuanping Chen, Yuee Xie, Xiaoyu Zhang, Dewei Rao, Yandong Guo, Xiaohong Yan*, Yuan Ping Feng*, and Yongqing Cai*. Squeezed metallic droplet with tunable Kubo gap and charge injection in transition metal dichalcogenides. Natl. Acad. Sci. U S A, 117, 6362-6369 (2020).
  2. Yu Jun Tan, Hareesh Godaba, Ge Chen, Siew Ting Melissa Tan, Guanxiang Wan, Guojingxian Li, Pui Mun Lee, Yongqing Cai, Si Li, Robert F. Shepherd, John S. Ho & Benjamin C. K. Tee, A transparent, self-healing and high-κ dielectric for low-field-emission stretchable optoelectronics. Nature Materials 19, 182–188 (2020).
  3. Yue Cao, Yu Jun Tan, Si Li, Wang Wei Lee, Hongchen Guo, Yongqing Cai, Chao Wang, Benjamin C.-K. Tee, Self-healing electronic skins for aquatic environments. Nature Electronics 2, 75–82 (2019).
  4. Xiao Zhang#, Zhimin Luo#, Peng Yu#, Yongqing Cai#, et al, Lithiation-induced amorphization of Pd3P2S8 for highly efficient hydrogen evolution. Nature Catalysis 1, 460 (2018).
  5. Subhadeep Datta#, Yongqing Cai#, Indra Yudhistira, Zebing Zeng, Yong-Wei Zhang, Han Zhang, Shaffique Adam, Jishan Wu, and Kian Ping Loh, Tuning magnetoresistance in molybdenum disulphide and graphene using a molecular spin transition. Nature Communications 8, 677 (2017).
  6. Qingqing Ke, Cao Guan, Xiao Zhang, Minrui Zheng, Yong-Wei Zhang, Yongqing Cai*, Hua Zhang*, and John Wang*, Surface-charge-mediated formation of H-TiO2@Ni(OH)2 heterostructures for high-performance supercapacitors. Adv. Mater. 29, 1604164 (2017).
  7. Yongqing Cai, Qingqing Ke, Gang Zhang, Boris I. Yakobson, and Yong-Wei Zhang, Highly itinerant atomic vacancies in phosphorene. J. Am. Chem. Soc. 138, 10199-10206 (2016).
  8. Yongqing Cai, Qingqing Ke, Gang Zhang, Yuan Ping Feng, Vivek B. Shenoy, and Yong-Wei Zhang, Giant phononic anisotropy and unusual anharmonicity of phosphorene: Interlayer coupling and strain engineering. Adv. Funct. Mater. 25, 2230-2236 (2015) (Journal Cover).
  9. Yongqing Cai, Gang Zhang, Yong-Wei Zhang, Polarity-reversed robust carrier mobility in monolayer MoS2 nanoribbons. J. Am. Chem. Soc. 136, 6269−6275 (2014).

For full publication list, please refer to:






Several RA/PhD/Postdoc vacancies on computational materials and physics are available.

Postdoc candidates are encouraged to apply the following two types of Postdoctoral centrally funded by University of Macau:

a). UM Macao Postdoctoral Fellowship (UMPF, Class A): Monthly remuneration of MOP40,000 (taxable). Annual conference and research related trips allowance of MOP20,000; Maximum contract period of 2 years.

b). UM Macao Postdoctoral Associateship (UMPA, Class B): Monthly remuneration of MOP28,000 (taxable). Annual conference and research related trips allowance of MOP14,000, Maximum contract period of 2 years.

Remark:  1 MOP ~= 0.87 RMB;   1 MOP ~= 0.11 Euro;   1 MOP ~= 0.12 USD;


  1. The UM Macao Postdoctoral Fellowship and Associateship are awarded to PhD degree holders who have graduated within 2 years, or PhD students who are expected to graduate within 6 months from the application date.
  2. Applicants should have proven record of outstanding academic achievements, including publications, and academic awards etc.
  3. Applicants for UMPF should possess a PhD degree from top ranked universities or disciplines (i.e., Top 200 ranked universities listed in the THE/QS ranking, or those listed under the Double First-Class Initiatives and Programs in Mainland China).

Application Procedure:

  1. Application usually opens from 1st to 31st January and 1st to 30th June each year.
  2. Applicants shall submit applications through the online application system ( of RSKTO during the application period

For more information:

Please contact Dr. Cai for more details and information if you are interested.