"The purpose of research is to break through the limits of human knowledge and to know the unknown. Let\'s keep the curiosity."
Biography
Dr. Xiao Lin received his B.S. degree from Zhejiang University (2008), and Ph.D. degree from Zhejiang University (2013). He did his postdoctoral studies at Ecole Supérieure de Physique et de Chimie Industrielles (ESPCI), Paris Tech. from 2013 to 2015. He became a Humboldt postdoctoral Research Fellow at Cologne University from 2016 to 2018. He joined Westlake University as assistant professor in March 2018.
Research
Dr. Lin is an expert in studying the transport properties of quantum matter, such as ion-based superconductors, polar metals and layered materials, under extreme experimental conditions including extremely low temperatures and high magnetic fields. His current research interests focus on nonlinear optical/transport phenomena, superconducting diode effect, quantum transport and quantum phase manipulation. Some results of his research are summarized below:
1. Discovering the most dilute superconductor,
2. Investigating the abnormal T-square resistivity in SrTiO3 and Bi2O2Se, which is a challenge to the electron-electron scattering theory in Fermi liquids,
3. Studying the correlation physics in polar metals,
4. Finding a novel commensurate, stacking phase transitions in an intercalated transition metal dichalcogenide,
5. Manipulating ferroelectric phase transition on Bi2O2Se thin films by local strains.
Representative Publications
1. Mengqi Wu, Zhefeng Lou, Chen-Min Dai, Tao Wang, Jiaqi Wang, Ziye Zhu, Zhuokai Xu, Tulai Sun, Wenbin Li*, Xiaorui Zheng*, and X. Lin*. Achieving Ferroelectricity in a Centrosymmetric High-Performance Semiconductor by Strain Engineering, Adv. Mater. 2300450 (2023).
2. Tao Wang, Zhuokai Xu, Ziye Zhu, Mengqi Wu, Zhefeng Lou, Jialu Wang, Wanghua Hu, Xiaohui Yang, Tulai Sun, Xiaorui Zheng, Wenbin Li*, and X. Lin*. Highly insulating phase of Bi2O2Se thin films with high electronic performance, Nano Res. 16, 3224–3230 (2023).
3. X. H. Yang. J-K. Bao, Z. F. Lou, P. Li, C. X. Jiang, J. L. Wang, T. L. Sun. Y. B. Liu, W. Guo, S. Ramakrishnan, S. R Kotla, M. Tolkiehn, C. Paulmann, G-H Cao, Y. F. Nie, W. B. Li, Y. Liu, S. van Smaalen*, X. Lin*, and Z-A. Xu*. Commensurate stacking phase transitions in an intercalated transition metal dichalcogenide, Adv. Mater. 34(6), 2108550 (2022).
4. J. L. Wang, W. H. Hu, Z. F. Lou, Z. K. Xu, X. H. Yang, T. Wang, and X. Lin*, Thermoelectric properties of Bi2O2Se single crystals, Appl. Phys. Lett. 119, 081901 (2021).
5. X. H. Yang*, T. H. Yu, C. C. Xu, J. L. Wang, W. H. Hu, Z. K. Xu, T. Wang, C. Zhang, Z. Ren, Z-A. Xu, M. Hirayama, R. Arita, and X. Lin*, Anisotropic superconductivity in the topological crystalline metal Pb1/3 TaS2 with multiple Dirac fermions, Phys. Rev. B 104, 035157 (2021).
6. Z. K. Xu, J. L. Wang, T. Wang, W. H. Hu, X. H. Yang, and X. Lin*, Huge permittivity and premature metallicity in Bi2O2Se single crystals, Sci. China Phys. Mech. Astron. 64, 1-8 (2021).
7. J. L. Wang, J. Wu, T. Wang, Z. K. Xu, J. F. Wu, W. H. Hu, Z. Ren, S. Liu, K. Behnia, and X. Lin*, T-square resistivity without Umklapp scattering in dilute metallic Bi2O2Se, Nat. Commun. 11, 3846 (2020).
8. J. L. Wang, L. W. Yang, C. W. Rischau, Z. K. Xu, Z. Ren, T. Lorenz, J. Hemberger, X. Lin*, and K. Behnia, Charge transport in a polar metal, npj Quant. Mater. 4, 61 (2019).
9. C. Collignon, X. Lin, C. W. Rischau, B. Fauqué, K. Behnia, Metallicity and Superconductivity in Doped Strontium Titanate，Annu. Rev. Condens. Matter Phys. 10, 25 (2019).
10. X. Lin, C. W. Rischau, L. Buchauer, A. Jaoui, B. Fauqué, and K. Behnia, Metallicity without quasi-particles in room-temperature strontium titanate, npj Quant. Mater. 2, 41 (2017).
11. C. W. Rischau, X. Lin, C. P. Grams, D. Finck, S. Harms, J. Engelmayer, T. Lorenz, Y. Gallais, B. Fauqué, J. Hemberger and K. Behnia, A ferroelectric quantum phase transition inside the superconducting dome of Sr1–xCaxTiO3-δ, Nat. Phys. 13, 643–648 (2017).
12. Y. Machida, X. Lin, W. Kang, K. Izawa, and K. Behnia, Colossal Seebeck Coefficient of Hopping Electrons in (TMTSF)2PF6, Phys. Rev. Lett. 116, 087003 (2016).
13. X. Lin, C. W. Rischau, C. J. van der Beek, B. Fauqué, and K. Behnia, s-wave superconductivity in optimally doped SrTi1−xNbxO3 unveiled by electron irradiation, Phys. Rev. B 92, 174504 (2015).
14. X. Lin, B. Fauqué, and K. Behnia, Scalable T2 resistivity in a small single-component Fermi surface, Science 349, 945 (2015).
15. Z. W. Zhu, X. Lin, K. Behnia et al., Quantum oscillations, thermoelectric coefficients and the Fermi surface of semi-metallic WTe2, Phys. Rev. Lett. 114, 176601 (2015).
16. X. Lin, A. Gourgout, et al., Multiple nodeless superconducting gaps in optimally-doped SrTi1-xNbxO3, Phys. Rev. B 90, 140508(R) (2014).
17. X. Lin, K. Behnia, et al., Critical Doping for the Onset of a Two-Band Superconducting Ground State in SrTiO3−δ, Phys. Rev. Lett. 112, 207002 (2014).
18. X. Lin, K. Behnia, et al., Fermi Surface of the Most Dilute Superconductor, Phys. Rev. X 3, 021002 (2013).
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