Liwei Geng

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Assistant Professor

EDUCATION:

Ph.D. (Materials Science and Engineering), Michigan Tech, 2015

B.S. (Physics), University of Science and Technology of China, 2009

EXPERIENCE:Michigan Tech

EMAIL:

BIOGRAPHY:

Dr. Liwei Geng joined SCUPI in 2021 after serving on the faculty of Michigan Tech. His current research mainly focuses on employing complementary domain-level phase field modeling, atomistic-level spin dynamics simulation, and quantum DFT-level ab initio calculation to study the structures, properties, functionalities, and mechanisms of materials for novel spintronic and electronic applications. He has published more than 30 papers. Relevant research was supported by National Natural Science Foundation of China.

RESEARCH INTERSTS:

1.Multiferroic materials, piezoelectric ceramics, ferroelectrics, ferromagnetic materials

2.Magnetoelectric coupling, electromechanical coupling

3.Domain walls, domain mechanism

4.Multiscale computational materials science

5.Phase field modeling, first-principles calculation, micromagnetic simulation

TEACHING INTERESTS:

1.Electromagnetic Properties of Materials

2.Computational Materials Science

3.Tensor Analysis in Materials

4.Heat and Mass Transfer

SELECTED PUBLICATIONS:

1.Y. Yan*, L.D. Geng*, H. Liu, H. Leng, X. Li, Y.U. Wang*, and S. Priya*, ” Near-ideal electromechanical coupling in textured piezoelectric ceramics”, Nature Communications, 2022. 13: p. 3565

2.Y. Yan*, L.D. Geng*, L.F. Zhu, H. Leng, X. Li, H. Liu, D. Lin, K. Wang, Y.U. Wang*, and S. Priya*, “Ultrahigh piezoelectric performance through synergistic compositional and microstructural engineering”, Advanced Science, 2022. 9: p. 2105715

3.L.D. Geng, Y. Yan, S. Priya, and Y.U. Wang*, “Electric field control of magnetic permeability in co-fired laminate magnetoelectric composites: A phase-field study for voltage tunable inductor applications”. ACS Applied Materials & Interfaces, 2020. 12: p. 44981

4.L.D. Geng, Y. Yan, S. Priya, and Y.U. Wang*, “Electric field control of magnetic susceptibility in laminate magnetostrictive/piezoelectric composites: phase-field simulation and theoretical model”, Physical Review B, 2020. 101: p. 054422

5.L.D. Geng, Y. Yan, S. Priya, and Y.U. Wang*, “Computational study of cobalt-modified nickel-ferrite/PZT magnetoelectric composites for voltage tunable inductor applications”.  Acta Materialia, 2019. 166: p. 493

6.Y. Yan#, L.D. Geng#, Y. Tan, J. Ma, L. Zhang, M. Sanghadasa, K. Ngo, A. Ghosh, Y.U. Wang, and S. Priya*, “Colossal tunability in high frequency magnetoelectric voltage tunable inductors”. Nature Communications, 2018. 9: p. 4998

7.L.D. Geng, Y. Yan, S. Priya, and Y.U. Wang*, “Theoretical model and computer simulation of Metglas/PZT magnetoelectric composites for voltage tunable inductor applications”. Acta Materialia, 2017. 140: p. 97

8.L.D. Geng and Y.M. Jin*, “Magnetic vortex racetrack memory”. Journal of Magnetism and Magnetic Materials, 2017. 423: p. 84