54. Tawfick S. and Y. Tang “Stronger Artificial Muscles, with a Twist” Science 365 (6449) 125-126, 2019. https://doi.org/10.1126/science.aax7304 Scientific American New Scientist c&en

53. McGregor, D, Sameh Tawfick, and William P. King. “Automated metrology and geometric analysis of additively manufactured lattice structures.” Additive Manufacturing, 2019. https://doi.org/10.1016/j.addma.2019.05.026

52. Lamuta C.,H. He, K. Zhang, M. Rogalski, N. Sottos and S Tawfick “Digital Texture Voxels for Stretchable Morphing Skin Applications” Advanced Materials Technologies, 1900260, 2019. https://doi.org/10.1002/admt.201900260

51. Tawfick S., N. Nayakanti, C. Prohoda and A.J. Hart  “Geometric tailoring of strength and toughness in self-locking interleaved laminates” Extreme Mechanics Letters, 2019. https://doi.org/10.1016/j.eml.2019.01.003

50. Sandin C., T. Talukdar, J. Ableson and S. Tawfick “Bottom-Up Synthesis And Mechanical Behavior Of Refractory Coatings Made Of CNT-Hafnium Diboride Composites” ACS Applied Materials and Interfaces, 11 (1), pp 1487–1495, 2019.  https://doi.org/10.1021/acsami.8b18840

49. McGregor D., S. Tawfick, and W.P. King “Mechanical Properties of Hexagonal Lattice Structures Fabricated Using Continuous Liquid Interface Production Additive Manufacturing” Additive Manufacturing, 25, 2019. https://doi.org/10.1016/j.addma.2018.11.002

48. Shin D. and S. Tawfick” Polymorphic Elastocapillarity: Kinetically Reconfigurable Self-assembly of Hair Bundles by Varying the Drain Rate” Langmuir 34 (21) 2018. https://doi.org/10.1021/acs.langmuir.8b00593

47. Lamuta C., S. Messelot and S. Tawfick” Theory of the tensile actuation of fiber reinforced coiled muscles” Smart Materials and Structures 2018. https://doi.org/10.1088/1361-665X/aab52b 

46. Fonk M., S. Tawfick, C. Daraio, S. Li, A. Vakakis and M. Leamy “Acoustic Non-Reciprocity in Lattices with nonlinearity, internal hierarchy and asymmetry: Computation Study” accepted in ASME J. of Vibrations and Acoustics, 2018.

45. Bunyan J., S. Tawfick “Exploiting microstructural instability to design lattice metamaterials having essentially nonlinear stiffness” accepted in Advanced Engineering Materials, 2018.

44. Zhang K., C. Androulidakis, and S. Tawfick “Gilding with Graphene: Rapid Chemical Vapor Deposition Synthesis of Graphene on Thin Metal Leaves” accepted in Advanced Functional Materials 2018. https://doi.org/10.1002/adfm.201804068 EurekAlert! Science Daily materials today Phys.org Realm of History Durability+Design WIR The Daily Illini MechSE@illinois

43. Androulidakis C., K. Zhang, M. Robertoson and S. Tawfick “Tailoring the mechanical properties of 2D materials and their heterostructures” 2D materials 5 (3) 2018. https://doi.org/10.1088/2053-1583/aac764

42. Androuilidakis C., E. N. Koukaras, M. Poss, K. Papagelis, C. Galiotis, S. Tawfick “Strained hexagonal boron nitride: phonon shift and Grüneisen parameter” Physical Review B Rapid Communications 97, 241414(R) 2018. https://doi.org/10.1103/PhysRevB.97.241414

41. Bunyan, K. Moore, A. Mojahed, M. Fink, M. Leamy, S. Tawfick and A. Vakakis “Acoustic nonreciprocity in a lattice incorporating nonlinearity, asymmetry, and internal scale hierarchy: Experimental study” Physical Review E 97, 052211 2018. https://doi.org/10.1103/PhysRevE.97.052211

40. Moore K., J. Bunyan, S. Tawfick and A. Vakakis “Non-Reciprocity in the Dynamics of Coupled Oscillators with Nonlinearity, Asymmetry and Scale Hierarchy” Physical Review E 97, 012219 https://doi.org/10.1103/PhysRevE.97.012219

39. Zhang K., M. Poss, S. Tawfick “Strengthening Nickel by In Situ Graphene Growth” Advanced Engineering Materials 19 (12) 2017. https://doi.org/10.1002/adem.201700475

38. Pagano, T. Yan, B. Chien, A. Wissa and S. Tawfick “A crawling robot driven by multi-stable origami” accepted in Smart Materials and Structures 2017 https://doi.org/10.1088/1361-665X/aa721e EurekAlert! Science Daily Discovery Channel 3ders 3D Printing Industry 3D Print ThomasNet Youstory The Indian Express India Today MechSE@illinois

37. Bunyan J., S. Tawfick “Mechanical Behavior of PDMS at Low Pressure” Materials Research Express vol. 4 (7) 2017. https://doi.org/10.1088/2053-1591/aa7d8a

36. Nayakanti N., S. Tawfick, AJ Hart “Deployable Multi-Stable Structures from Twist-Coupled Kirigami” Extreme Mechanics Letters 21 2018. https://doi.org/10.1016/j.eml.2017.09.005

35. Liang Y., D. Sias*, P. Chen and S. Tawfick “Tough nano-architectured conductive textile by capillary splicing of carbon nanotubes” Advanced Engineering Materials 19 (7) 2017. https://doi.org/10.1002/adem.201600845 http://dx.doi.org/10.1002/adem.201600845 News Highlights: EurekAlert! Science Daily AZoNano Chemie.de Science World Report Economic Times ECNMag new electronics The Indian Tribune Innovations Report Photonics Online Electronics 360 Engineering@illinois MechSE@illinois

34. Li J., M. Bedewy, A. Orbaek White, E. Polsen, S. Tawfick and A.J. Hart “Highly consistent atmospheric pressure synthesis of carbon nanotube forests by mitigation of moisture transients” The Journal of Physical Chemistry C 120 (20) pp. 11277-11287, 2016. http://dx.doi.org/10.1021/acs.jpcc.6b02878

33. Rao A., S. Tawfick, M. Bedewy and A.J. Hart “Morphology-strength relation in aligned carbon nanotube yarns.” Extreme Mechanics Letters 9 (1) 2016. http://dx.doi.org/10.1016/j.eml.2016.05.003

32. Tawfick A., J. Bico, S. Barcelo “Three-dimensional lithography by elastocapillary engineering of filamentary materials” (invited) MRS Bulletin, 41 (2) 2016. http://dx.doi.org/10.1557/mrs.2016.4 Cover art

31. Li J.,, M. Bedewy, A. Orbaek White, E. Polsen, S. Tawfick, A.J. Hart “Highly Consistent Atmospheric Pressure Synthesis of Carbon Nanotube Forests by Mitigation of Moisture Transients” accepted in Journal of Physical Chemistry C 2016. http://dx.doi.org/10.1021/acs.jpcc.6b02878

30. Zhang K., K. Han, S. Shi, G. Bahl, S. Tawfick “Highly Stretchable Conductors Made by Laser Draw-Casting of Ultralong Metal Nanowires.” Advanced Electronic Materials, 2 (6) 2016. http:/dx.doi.org/10.1002/aelm.201600003

29. Bunyan J., A. Vakakis, S. Tawfick “Mechanisms for impulsive energy dissipation and small-scale effects in microgranular media.” Physical Review E 92 (6), 062206, 2015. http://dx.doi.org/10.1103/PhysRevE.92.062206

28. Lee K., S. Tawfick “Micro-architectured electro- elasto- kinematic muscles.” Extreme Mechanics Letters, 8, pp. 64-69, 2016. http://dx.doi.org/10.1016/j.eml.2016.03.003

27. Li S., W. Hua, M. Liang, M. Tuo, S. Tawfick, A.J. Hart, Q. Zhu, and H. Xin “Anisotropic Microwave Conductivity Dispersion of Horizontally Aligned Multi-Walled Carbon- Nanotube Thin Film on Flexible Substrate.” IEEE Transactions on Microwave Theory and Techniques, 63 (11) 3588-3594, 2015. http://dx.doi.org/10.1109/TMTT.2015.2481397

26. Park S., A. Schmidt, S. Tawfick, A.J. Hart “Precise control of elastocapillary densification of nanostructures via low-pressure condensation.” Journal of Micromechanics and Microengineering, 24 (6): 065019, 2014. http://dx.doi.org/10.1088/0960-1317/24/6/065019

25. Brieland-Shoultz A.*, S. Tawfick*, S. Park, M. Bedewy, M. Maschmann, J.W. Baur and A.J. Hart “Ceramic-carbon nanotube foams with 1000-fold tunable modulus, strength, and toughness.” Advanced Functional Materials, 24 (36): 5728–5735, 2014. (*equal contribution) http://dx.doi.org/10.1002/adfm.201400851

24. G. Ok, J. Lee, H. Baac, S. Tawfick, L.J. Guo and A.J. Hart “Rapid anisotropic photoconductive response of ZnO-coated aligned carbon nanotube sheets.” ACS Applied Materials and Interfaces. 6(2):874-881, 2014. http://dx.doi.org/10.1021/am404131r

23. De Volder M., S. Park, S. Tawfick, A.J. Hart “Strain-engineered manufacturing of freeform ​carbon nanotube microstructures.” Nature Communications 5: 4512, 2014 http://dx.doi.org/10.1038/ncomms5512 Science Daily MIT News  MechSE@Illinois News

22. Maschmann M., G.J. Ehlert, S. Tawfick, A.J. Hart, J.W. Baur. “Continuum analysis of carbon nanotube array buckling enabled by anisotropic elastic measurements and modeling.” Carbon, 66:377-386, 2014. [http://dx.doi.org/10.1016/j.carbon.2013.09.013]

21. Oliver R., E.S. Polsen, E.R. Meshot, S. Tawfick, S.J. Park, M. Bedewy, A.J. Hart. “A statistical analysis of variation in laboratory growth of carbon nanotube forests and recommendations for improvement of process consistency.” ACS Nano7(4):3565–3580, 2013. http://dx.doi.org/10.1021/nn400507y

20. Tawfick S., Z. Zhao, A. Brieland-Schultz, M. De Volder, W. Lu and A. J. Hart “Mechanics of capillary forming of carbon nanotubes.” Langmuir 29 (17): 5190–5198, 2013. http://dx.doi.org/10.1021/la4002219

19. De Volder M., S. Tawfick, R. Baughman and A. J. Hart “Carbon nanotubes – present and future commercial applications.” Science 339:535-589, 2013. http://dx.doi.org/10.1126/science.1222453

18. Tawfick, M. De Volder and A.J. Hart “Capillary Bending of Janus Carbon Nanotube Micropillars.” Nanoscale, 4: 3852-3856, 2012 http://dx.doi.org/10.1039/C2NR30802A

17. Tawfick S., M. De Volder, D. Copic, S. Park, E. Polsen, R. Oliver, M. Robert, and A.J. Hart “Engineering micro- and nanostructured surfaces with anisotropic properties.” Advanced Materials,  24 (13): 1628–1674 2012. http://dx.doi.org/10.1002/adma.201103796

16. Meshot E., K. Patel, S. Tawfick, K. Juggernauth, M. Bedewy, E. Verploegen, M. De Volder and A.J. Hart “Photoconductive hybrid films via directional self-assembly of C60 on aligned carbon nanotubes.” Advanced Function Materials, 22 (3): 577–584, 2012. http://dx.doi.org/ 10.1002/adfm.201102393

15. De Volder M., S. Tawfick, S.J. Park, A.J. Hart “Corrugated carbon nanotube microstructures with geometrically tunable compliance.” ACS Nano, 5(9):7310-7317, 2011. http://dx.doi.org/10.1021/nn202156q Cover art

14. Copic D., S. Park, S. Tawfick, M. De Volder and A.J. Hart “Fabrication of high-aspect-ratio polymer microstructures and hierarchical textures using carbon nanotube master molds.” Lab on a Chip, 11: 1831-1837, 2011. http://dx.doi.org/10.1039/c0lc00724b.

13. De Volder M., S. Tawfick, D. Copic and A.J. Hart “Hydrogel-driven carbon nanotube microtransducers.”  Soft Matter, 7: 9844-9847, 2011. http://dx.doi.org/10.1039/C1SM06215H

12. Tawfick S., M. De Volder and A.J. Hart “Structurally programmed folding of vertical nanostructures.”  Langmuir, 27 (10): 6389–6394, 2011. http://dx.doi.org/10.1021/la200635g

11. Verploegen E., A.J. Hart, S. Tawfick, G. Chia and R.E. Cohen “Non-destructive characterization of structural hierarchy within carbon nanotube assemblies.” Journal of Applied Physics, 109, 094316, 2011.  http://dx.doi.org/10.1063/1.3584759

10. De Volder, S. Park, S. Tawfick and A.J. Hart “Fabrication and electrical integration of robust carbon nanotube micropillars by self-directed elastocapillary densification.”  Journal of Micromechanics and Microengineering, 21, 045033, 2011. http://dx.doi.org/10.1088/0960-1317/21/4/045033

9. Zhao Z., S. Tawfick, S.J. Park, M. De Volder, A.J. Hart, W. Lu “Formation of asymmetric filament assemblies by elastocapillary densification.” Physical Review E 82:041605, 2010. http://dx.doi.org/10.1103/PhysRevE.82.041605

8. De Volder M.*, S. Tawfick*, S. Park, D. Copic, Z. Zhao, W. Lu and A.J. Hart “Diverse 3D microarchitectures made by capillary forming of carbon nanotubes.” Advanced Materials 22:4384-4389, 2010 (*equal contribution). http://dx.doi.org/10.1002/adma.201001893 Cover art

7. G. Ok, S. Tawfick, K. A. Juggernauth, K. Sun, Y. Zhang, and A.J. Hart “Electrically addressable hybrid architectures of zinc oxide nanowires grown on aligned carbon nanotubes.” Advanced Functional Materials 20:2470-2480, 2010. http://dx.doi.org/10.1002/adfm.201000249 Front piece

6. Bedewy M., E. Meshot, K. Lyons, A. Woll, K. Juggernauth, S. Tawfick and A.J. Hart “Measuring the lengthening kinetics of aligned nanostructures by spatiotemporal correlation of height and orientation.” Nanoscale 2:896-900, 2010. http://dx.doi.org/10.1039/b9nr00343f

5. Tawfick S., X. Deng, A.J. Hart and J. Lahann “Nanocomposite Microstructures with Controllable Mechanical and Chemical Properties.” Physical Chemistry and Chemical Physics, 12:4446-4451, 2010. http://dx.doi.org/10.1039/c000304m

4. De Volder M., D.O. Vidaud, E.R. Meshot, S. Tawfick and A.J. Hart “Self-similar organization of arrays of individual carbon nanotubes and carbon nanotube micropillars.” Microelectronic Engineering 87(5-8):1233-1238, 2010. http://dx.doi.org/10.1016/j.mee.2009.11.139

3. Tawfick S., K. O’Brien and A.J. Hart “Flexible High Conductivity Carbon Nanotube Interconnects Made by Rolling and Printing.” Small, 5 (21), pp 2467-2473, 2009. http://dx.doi.org/10.1002/smll.200900741

2. Meshot E., D.L. Plata, S. Tawfick, Y. Zhang, E. Verploegen and A.J. Hart “Engineering Vertically Aligned Carbon Nanotube Growth by Decoupled Thermal Treatment of Precursor and Catalyst.” ACS Nano, 3 (9), pp 2477–2486, 2009. http://dx.doi.org/10.1021/nn900446a

1. El-Shafei, S. Tawfick, M. Raafat and G. Aziz “Some Experiments on Oil Whirl and Oil Whip.” ASME Journal of Engineering for Gas Turbines and Power, 129 (1), pp 144-153, 2007. http://dx.doi.org/10.1115/1.2181185