Research Associate Institute for Quanfum Science and Engineering

Dr. Sirong Lu’s research interests lie in the area of characterization of quantum materials, transmission electron microscopy and ab-initio calculations. He studied the surface structure of several metal oxides as a master student in 2011-2013 at Tsinghua University. He studied two-dimensional electron gas at interface between SrTiO3 and various nonmagnetic/ferromagnetic/ferroelectric oxides as a Ph.D student under the supervision of Prof. Martha McCartney and Prof. David Smith in 2013-2018 at Arizona State University. His research involved combining several of TEM techniques, such as TEM/STEM imaging, EELS and electron holography, with DFT calculations. A hyperspectral unmixing software “unmixeels”was developed for energy-loss near-edge structure analysis. He worked as a postdoctoral research associate at the research computing department in Arizona State University in 2018-2019, collaborating with faculty on sponsored projects to provide engineering, mathematical, and statistical support and Co-developing business model for support of this field. He joined SUSTech in 2019.

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Research

characterization of quantum materials, electron microscopy, ab-initio calculations


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6. Lu, S., Kormondy, K.J., Demkov, A.A., and Smith, D.J., (2018). An EELS signal-from-background separation algorithm for spectral line-scan/image quantification. Ultramicroscopy, 195, pp25-31

5. Kormondy, K.J., Gao, L., Li, X., Lu, S., Posadas, A.B., Shen, S., Tsoi, M., McCartney, M.R., Smith, D.J., Zhou, J., Lev, L.L., Husanu, M-A., Strocov, V. and Demkov, A.A., (2018). Large positive linear magnetoresistance in the two-dimensional t2g electron gas at the EuO/SrTiO3 interface. Scientific Reports, 8.1, 7721.

4. Smith, D.J., Wu, H., Lu, S., Aoki, T., Ponath, P., Fredrickson, K., McDaniel, M.D., Lin, E., Posadas, A.B., Demkov, A.A. and Ekerdt, J., (2017). Recent studies of oxide-semiconductor heterostructures using aberration-corrected scanning transmission electron microscopy. Journal of Materials Research, 32(5), pp.912-920.

3. Wu, H., Lu, S., Aoki, T., Ponath, P., Ekerdt, J.G., Demkov, A.A., McCartney, M.R. and Smith, D.J., (2017). Integration of ferroelectric BaTiO3 with Ge: The role of a SrTiO3 buffer layer investigated using aberration-corrected STEM. Applied Physics Letters, 110(25), p.252901.

2. Lu, S., Kormondy, K.J., Ngo, T.Q., Aoki, T., Posadas, A., Ekerdt, J.G., Demkov, A.A., McCartney, M.R. and Smith, D.J., (2016). Spectrum and phase mapping across the epitaxial γ-Al2O3/SrTiO3 interface. Applied Physics Letters, 108(5), p.051606.

1. Lu, S. R., Yu, R., & Zhu, J. (2013). Atomic steps on the MgO (100) surface. Physical Review B, 87(16), 165436.

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