2018.08-Present Lecturer, Department of Applied Mathematics, School of Mathematics and Physics, University of Science & Technology Beijing, P. R. China. 

2016.07-2018.07 Boya Postdoctoral Researcher, Department of Mechanics, College of Engineering, Peking University, P. R. China. 

2011.09-2016.06 PhD, Solid Mechanics, University of Science & Technology Beijing, P. R. China.

2006.09-2010.06 B. Tech, Mechanical Engineering & Automation, Kunming University of Science and Technology, P. R. China.

[1]. New Teacher Support Plan of Basic Scientific Research Foundation Grant of University of Science & Technology Beijing, Propagation of elastic waves in the multi-layered composites of piezoelectric semiconductor, 2018/12/01-2020/11/30, 100 Thousand Yuan, Preside 

[2]. "China Postdoctoral International Exchange Program" Academic Exchange Program, 2017/07/24-2017/07/30, 30 Thousand Yuan, Preside 

[3]. Boya Postdoctoral Fellowship of Peking University, Propagation of elastic waves in piezoelectric phononic crystals and acoustic metamaterials, 2016/07-2018/06, 200 Thousand Yuan, Preside [4]. China Postdoctoral Science Foundation Grant, No.2016M600860, Propagation of elastic waves in 2D and 3D piezoelectric phononic crystals, 2016/07-2018/06, 50 Thousand Yuan, Preside

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[1]. Xiao Guo, Peijun Wei*. Effects of initial stress on the reflection and transmission waves at the interface between two piezoelectric half spaces. International Journal of Solids and Structures, 51 (2014), 3735–3751. 

[2]. Xiao Guo, Peijun Wei*, Li Li, Qiheng Tang. Influences of mechanically and dielectrically imperfect interfaces on the reflection and transmission waves between two piezoelectric half spaces. International Journal of Solids and Structures, 63 (2015), 184–205. 

 [3]. Xiao Guo, Peijun Wei*, Li Li. Dispersion relations of elastic waves in one-dimensional piezoelectric phononic crystal with mechanically and dielectrically imperfect interfaces. Mechanics of Materials, 93 (2016), 168–183. 

[4]. Xiao Guo, Peijun Wei*. Dispersion relations of elastic waves in one-dimensional piezoelectric phononic crystal with initial stresses. International Journal of Mechanical Sciences, 106 (2016), 231–244. 

[5]. Xiao Guo, Peijun Wei*. Dispersion relations of elastic waves in one-dimensional piezoelectric/piezomagnetic phononic crystal with initial stresses. Ultrasonics, 66 (2016), 72–85. 

[6]. Xiao Guo, Peijun Wei*, Man Lan, Li Li. Dispersive relations of elastic waves in one-dimensional piezoelectric/piezomagnetic phononic crystal with functionally graded interlayers. Ultrasonics, 70 (2016), 158-171. 

[7]. Xiao Guo, Peijun Wei*, Li Li, Man Lan. Effects of functionally graded interlayers on dispersion relations of shear horizontal waves in layered piezoelectric/piezomagnetic cylinders. Applied Mathematical Modelling 55 (2018) 569–582 

[8]. Xiao Guo, Huan Liu, Kai Zhang, Huiling Duan*. Dispersion relations of elastic waves in two-dimensional tessellated piezoelectric phononic crystals. Applied Mathematical Modelling 56 (2018) 65–82 

[9]. Xiao Guo*, Songsong Ji, Huan Liu, Ke Ren. Dispersion relations of elastic waves in three-dimensional cubical piezoelectric phononic crystal with initial stresses and mechanically and dielectrically imperfect interfaces. Applied Mathematical Modelling. 69 (2019) 405–424 

[10]. Xiao Guo∗, Peijun Wei. Dispersion relations of in-plane elastic waves in nano-scale one dimensional piezoelectric semiconductor/piezoelectric dielectric phononic crystal with the consideration of interface effect. Applied Mathematical Modelling 96 (2021) 189–214

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