Recent Publications

    • Das, S., Sand, A., & Hofmann, F. (2024). Dislocation pinning in helium-implanted tungsten: A molecular dynamics study. Journal of Nuclear Materials, 601, 155293. 

    • S. Das, H. Yu, K. Mizohata, E. Tarleton, F. Hofmann, Modified deformation behaviour of self-ion irradiated tungsten: A combined nano-indentation, HR-EBSD and crystal plasticity study, Int. J. Plast. 135 (2020) 102817. https://doi.org/10.1016/j.ijplas.2020.102817.

    • S. Das, H. Yu, E. Tarleton, F. Hofmann, Hardening and Strain Localisation in Helium-Ion-Implanted Tungsten, Sci. Rep. 9 (2019) 1–14. https://doi.org/10.1038/s41598-019-54753-3.

    • S. Das, H. Yu, E. Tarleton, F. Hofmann, Orientation-dependent indentation response of helium-implanted tungsten, Appl. Phys. Lett. 114 (2019) 221905. https://doi.org/10.1063/1.5097403.

    • Song, K., Sheyfer, D., Liu, W., Tischler, J. Z., Das, S., Mizohata, K., ... & Hofmann, F. (2024). Deformation localisation in ion-irradiated Fe and  Fe10Cr. Journal of Nuclear Materials, 596, 155104.    

    • H. Yu, P. Karamched, S. Das, J. Liu, K. Mizohata, F. Hofmann, New perspectives on collision cascade damage in self-ion irradiated tungsten from HR-EBSD and ECCI, J. Nucl. Mater. 554 (2021) 153074. https://doi.org/10.1016/j.jnucmat.2021.153074.

    • A. London, C. Hardie, T. Tadić, S. Das, F. Hofmann, S. Fazinić, Understanding Strain And Irradiation Segregation In Fusion Materials, Microsc. Microanal. 27 (2021) 2648–2649. https://doi.org/10.1017/S1431927621009375.

    • H. Yu, S. Das, H. Yu, P. Karamched, E. Tarleton, F. Hofmann, Orientation dependence of the nano-indentation behaviour of pure Tungsten, Scr. Mater. 189 (2020) 135–139. https://doi.org/10.1016/j.scriptamat.2020.08.014.

    • K. Song, S. Das, A. Reza, N.W. Phillips, R. Xu, H. Yu, K. Mizohata, D.E.J. Armstrong, F. Hofmann, Characterising Ion-Irradiated FeCr: Hardness, Thermal Diffusivity and Lattice Strain, Acta Mater. 201 (2020). https://doi.org/10.1016/j.actamat.2020.10.015.

    • H. Yu, S. Das, J. Liu, J. Hess, F. Hofmann, Surface terraces in pure tungsten formed by high temperature oxidation, Scr. Mater. 173 (2019) 110–114. https://doi.org/10.1016/j.scriptamat.2019.08.007.

    • N.W. Phillips, H. Yu, S. Das, D. Yang, K. Mizohata, W. Liu, R. Xu, R.J. Harder, F. Hofmann, Nanoscale lattice strains in self-ion implanted tungsten, Acta Mater. 195 (2020) 219–228. https://doi.org/10.1016/j.actamat.2020.05.033.

    • F. Hofmann, N.W. Phillips, S. Das, P. Karamched, G.M. Hughes, J.O. Douglas, W. Cha, W. Liu, Nanoscale imaging of the full strain tensor of specific dislocations extracted from a bulk sample, Phys. Rev. Mater. 4 (2020) 13801. https://doi.org/10.1103/PhysRevMaterials.4.013801.

    • S. Das, W. Liu, R. Xu, F. Hofmann, Helium-implantation-induced lattice strains and defects in tungsten probed by X-ray micro-diffraction, Mater. Des. 160 (2018) 1226–1237. https://doi.org/10.1016/j.matdes.2018.11.001.

    • S. Das, D.E.J. Armstrong, Y. Zayachuk, W. Liu, R. Xu, F. Hofmann, The effect of helium implantation on the deformation behaviour of tungsten: X-ray micro-diffraction and nanoindentation, Scr. Mater. 146 (2018) 335–339. https://doi.org/10.1016/j.scriptamat.2017.12.014.

    • D.R. Mason, S. Das, P.M. Derlet, S.L. Dudarev, A.J. London, H. Yu, N.W. Phillips, D. Yang, K. Mizohata, R. Xu, others, Observation of Transient and Asymptotic Driven Structural States of Tungsten Exposed to Radiation, Phys. Rev. Lett. 125 (2020) 225503. https://doi.org/10.1103/PhysRevLett.125.225503.

    • S. Das, F. Hofmann, E. Tarleton, Consistent determination of geometrically necessary dislocation density from simulations and experiments, Int. J. Plast. 109 (2018) 18–42. https://doi.org/10.1016/j.ijplas.2018.05.001.

    • H. Zhang, Y. Huang, S. Das, C. Li, M. Yu, P.G.-Q. Lo, M. Hong, J. Thong, Polarization splitter using horizontal slot waveguide, Opt. Express. 21 (2013) 3363–3369. https://doi.org/10.1364/OE.21.003363.

    • H. Zhang, S. Das, J. Zhang, Y. Huang, C. Li, S. Chen, H. Zhou, M. Yu, P. Guo-Qiang Lo, J.T.L. Thong, Efficient and broadband polarization rotator using horizontal slot waveguide for silicon photonics, Appl. Phys. Lett. 101 (2012) 21105. https://doi.org/10.1063/1.4734640.

    • M. Ang, K. Devarajan, S. Das, G.H.F. Yam, H.M. Htoon, S. Chen, X. Liu, L. Liu, M. Girard, J.S. Mehta, Novel application of In Vivo Micro-Optical Coherence Tomography to assess Cornea scarring in an Animal Model, Sci. Rep. 8 (2018) 11483. https://doi.org/10.1038/s41598-018-29761-4.

    • M. Ang, K. Devarajan, S. Das, T. Stanzel, A. Tan, M. Girard, L. Schmeterer, J. Mehta, Comparison of anterior segment optical coherence tomography angiography systems for corneal vascularisation, Br. J. Ophthalmol. (2017) bjophthalmol-2017-311072.  https://doi.org/10.1136/bjophthalmol-2017-311072.

    • Fu, H. & Xu, Y. & Kee Wong, D. W. & Ang, M. & Das, S. & Liu, J., (2016) “Vessel   Extraction for AS-OCT Angiography”, Ophthalmic Medical Image Analysis International Workshop 3(2016), p.158-159. https://doi.org/10.17077/omia.1062.

    • Promaue, C., Das, S., & Nassehi, A. (2024). Evaluating the Accuracy of Finite Element Analysis in Predicting Mechanical Properties of Additively Manufactured Parts. In Key Engineering Materials (Vol. 975, pp. 113–119). Trans Tech Publications, Ltd. https://doi.org/10.4028/p- j9ohwj                              

    • Suchandrima Das, Recent advances in characterising irradiation damage in tungsten for fusion power, SN Appl. Sci. (2019). https://doi.org/10.1007/s42452-019-1591-0.