【在研項目】
1. 科技部國家863計劃項目：聲電和磁電功能薄膜材料與器件
2. 國家自然科學基金面上項目: 金屬多層膜界面、相變及相關力學性能的實驗與理論研究
3. 重大專項：高溫氣冷堆裂變産物氣溶膠核素吸附研究
4. 參與科技部國家973項目兩項
【已完成項目】
1. 教育部新世紀優秀人才支持計劃：納米多層膜力學性能的理論與實驗研究
2. 國家自然科學基金面上項目: 二元亞穩合金相穩定性及力學性能的理論與實驗研究
3. 國家自然科學基金面上項目:生成熱為正的二元金屬系統固态合金化的實驗及理論研究
4. 教育部骨幹教師資助計劃: 多層膜材料微結構的形成及其性能
5. 作為主要骨幹參與973重點基礎研究項目2項，國家自然科學基金重點項目2項。
發表SCI論文50多篇，影響因子大于3的論文16篇，論文被引用400多次
近期代表性論文：
Review Papers:
1.B.X.Liu, W.S.Lai and Z.J.Zhang, “Solid-State Crystal-to-Amorphous Transition in Metallic Multilayers and Its Thermodynamic and Atomistic Modeling”,Advances in Physics (4) (2001) 367-429.
2.B.X.Liu, W.S.Lai, and Q.Zhang, “Irradiation Induced Amorphization in Metallic Multilayers and Calculation of Glass-Forming-Ability from Atomistic Potential in the Binary Metal Systems”,Mater. Sci. Eng.: Reports 29 (1-2) (2000) 1-48.
Regular Papers:
1. B. Qin; W.S. Lai, “A Molecular Dynamics Study of an hcp-to-fco Martensitic Transformation and Its Crystallographic Correlation in a Ti Lattice, upon Dissolution of Cu Atoms “, Journal of the Physical Society of Japan79 (10) (2010) Art No. 104601
2. B. Qin, W.S. Lai, “Crystalline to Amorphous Transition and Relative Stability of Amorphous Phase versus Solid Solution in the Cu-Ti System Studied by Molecular Dynamics Simulations”, Journal of the Physical Society of Japan79 (6) (2010) Art No. 064603
3. W.S. Lai, J. J. Yu, F. Gao, D. J. Bacon, “Computer simulation of sputtering at the low index (1 0 0), (1 1 0) and (1 1 1) surfaces of Ni3Al in a STEM”, Nucl Instrum Meth B, 267(18) (2009)3076-3083
4. X. K. Xin, W.S. Lai, B. X. Liu, “Point defect properties in hcp and bcc Zr with trace solute Nb revealed by ab initio calculations”, Journal of Nuclear Materials, 393(1), (2009) 197-202
5. B. Yang, W.S. Lai, “Molecular dynamics study of stability of solid solutions and amorphous phase in the Cu-Al system”, Chinese Physics Letters 26 (6), (2009) 066103
6. M.J. Yang, W.S. Lai, F. Pan, "Elastic Modulus and Hardness of Cr-Nb Nano-Multilayers", Chinese Physics Letters, 24 (9) (2007) 2635-2638.
7. W.S. Lai, M.J. Yang, “Observation of largely enhanced hardness and unchanged modulus in nano-multilayers of the Ag-Nb system with positive enthalpy of formation” Applied Physics Letters,90, (2007) Art. No. 181917
8. N Gao, W.S.Lai , “Relative stability of amorphous phase versus solid solution in the Ni-Ti system revealed by molecular dynamics simulations” J. Phys. Condensed Matter 19(4) (2007) Art. No. 046213
9. N Gao, W.S. Lai , “Calculation of elastic constants of Ag/Pd superlattice thin films by molecular dynamics with many-body potentials” Chinese Physics Letters 23 (11) (2006) 2913-2916.
10. W.S. Lai, Y.N. Osetsky, D.J. Bacon, “Point-defect properties of, and sputtering events in, the {001} surfaces of Ni3Al. II. Sputtering events at and near surfaces”, Philosophical 85 (16) (2005) 1687-1700.
11. W.S. Lai, X.S. Zhao, "Strain-induced elastic moduli softening and associated fcc « bcc transition in iron",Applied Physics Letters, (19) (2004) 4340-4342.
12. W.S. Lai, A.V. Barashev, D.J. Bacon, "Multiscale modeling of surface sputtering in a scanningtransmission electron microscope",Physical Review B, 70(19) (2004) 195429.
13. W.S. Lai, Y.N. Osetsky, D.J. Bacon, "Point-defect properties of, and sputtering events in, the {001} surfaces of Ni3Al - I. Surface and point-defect properties", Philosophical 84 (2)(2004) 173-191.
14. W.S. Lai and B.X. Liu, "Glass-forming ability of the Ni-Zr and Ni-Ti systems determined by interatomic potentials", J. Mater. Res. 16 (2001) 446-450.
15. W.S. Lai, Q. Zhang, B.X. Liu, and E. Ma, "Solubility criterion for sequential disordering in metal-metal multilayers upon solid-state reaction", Philos. Mag. Lett. 81 (2001) 45-53.
16. W.S. Lai, Q. Li, C. Lin and B.X. Liu, “Critical solid solubility of the Ni-Ti system determined by molecular-dynamics simulation and ion mixing”, Phys. Stat. Sol. (b) 227(2)(2001) 503-514.
17. W.S. Lai and B.X. Liu, "Lattice stability of some Ni-Ti alloy phases versus their chemical composition and disordering", J. Phys. Condensed Matter, 12 (2000) 53-60.
18. W.S. Lai et al., "Structural stability and amorphization transition in the Ni-Ti system studied by molecular dynamics simulation with an n-body potential", J. Phys. Soc. Japan, 69 (2000) 2903-2937.
19. W.S. Lai and B.X.Liu, "Influence of interfacial texture and asymmetric growth in diffusion-limited amorphization in Ni-Zr multilayers upon medium-temperature annealing", Phys. Rev. B. 58 (1998) 6063-6073.
20. W.S. Lai and B.X.Liu, "Evidence of diffusion-controlled vitrification in Ni/Zr bilayer at medium temperatures by molecular-dynamics simulation", Europhys. Lett., 39 (1997) 401-405.
【講授課程】：
本科生必修課：《固體物理》(1999年、2000年春季學期，2007年起主講固體物理B)
本科生必修課：《量子與統計》（2005年秋季學期始）
本科生限選課：《計算材料學》（2007年春季學期始）
【研究組成員】
碩士生: 趙宇新（09）、柴茂盛（09）、武天宇（10)、羅小豐（11)
【畢業生去向】
高甯，2007.7, 論文:"Ni-Ti亞穩相穩定性和Ag/Pd多層膜力學性能的分子動力學研究", 去向: PSI,Switzerland (讀博)
楊孟錦，2008.1,論文:"Nb-Ag和Nb-Cr納米多層膜的力學性能研究", 去向: University of Pittsburgh, Pennsylvania, USA(讀博)
于娟娟，2008.1,論文:"若幹材料表面濺射的分子動力學研究", 工作去向:北京
楊斌，2009.1，論文：“Cu-Al和Pd-Ti系統多體勢的構建及在相穩定研究中的應用”，去向：保潔公司北京研發部
辛緒凱，2009.7，論文：“Zr-Nb合金點缺陷性能的第一性原理計算和分子動力學模拟”，去向：Iowa State University, Iowa, USA(讀博)
秦博，2010.7，論文：“Cu-Ti(-Zr)系統中玻璃轉變及馬氏體相變的分子動力學模拟”，去向：北京市中國原子能研究院
歐诒典，2011.7，論文：“氧化钇中輻照缺陷形成及穩定性的第一性原理研究”，去向：東方電氣股份有限公司(成都，總部)