Highlights

Conductivity control via minimally invasive anti-Frenkel defects in a functional oxide
Nature Materials (2020) 1–6.

Authors: D.M. Evans, T.S. Holstad, A.B. Mosberg, D.R. Småbråten, P.E. Vullum, A.L. Dadlani, K. Shapovalov, Z. Yan, E. Bourret, D. Gao, J. Akola, J. Torgersen, A.T.J. van Helvoort, S.M. Selbach, D. Meier
DOI: 10.1038/s41563-020-0765-x



Magnesium and Its Alloys as Implant Materials: Corrosion, Mechanical and Biological Performances
CRC Press (2020)

Authors: M. Peron, F. Berto, J. Torgersen
ISBN: 9780367429454



Peer-reviewed Publications

    2020

  1. H.J.D. Johnsen, A. Aksnes, J. Torgersen, Beam-steering lens arrays and ètendue-squeezing: a pathway towards a new class of solar concentrators?, Nonimaging Optics: Efficient Design for Illumination and Solar Concentration XVII, International Society for Optics and Photonics, 2020 1149509. doi.org/10.1117/12.2567359
  2. D.M. Evans, T.S. Holstad, A.B. Mosberg, D.R. Småbråten, P.E. Vullum, A.L. Dadlani, K. Shapovalov, Z. Yan, E. Bourret, D. Gao, J. Akola, J. Torgersen, A.T.J. van Helvoort, S.M. Selbach, D. Meier, Conductivity control via minimally invasive anti-Frenkel defects in a functional oxide, Nature Materials. (2020) 1–6. doi.org/10.1038/s41563-020-0765-x
  3. M. Peron, A. Bin Afif, A.L. Dadlani, F. Berto, J. Torgersen, Improving stress corrosion cracking behavior of AZ31 alloy with conformal thin titania and zirconia coatings for biomedical applications, Journal of the Mechanical Behavior of Biomedical Materials. 111 (2020) 104005. doi.org/10.1016/j.jmbbm.2020.104005
  4. H.J.D. Johnsen, A. Aksnes, J. Torgersen, High-performance stationary solar tracking through multi-objective optimization of beam-steering lens arrays, Opt. Express, OE. 28 (2020) 20503–20522. doi.org/10.1364/OE.396477
  5. M. Peron, A. Bin Afif, A. Dadlani, F. Berto, J. Torgersen, Comparing physiologically relevant corrosion performances of Mg AZ31 alloy protected by ALD and sputter coated TiO2, Surface and Coatings Technology. 395 (2020) 125922. doi.org/10.1016/j.surfcoat.2020.125922
  6. F. Berto, J. Torgersen, M. Benedetti, S. Bagherifard, C. Bo, G. Qian, Special issue ESIAM19 theoretical and applied fracture mechanics, Theoretical and Applied Fracture Mechanics. 108 (2020) 102616. doi.org/10.1016/j.tafmec.2020.102616
  7. M. Peron, P.C. Skaret, A. Fabrizi, A. Varone, R. Montanari, H.J. Roven, P. Ferro, F. Berto, J. Torgersen, The effect of Equal Channel Angular Pressing on the stress corrosion cracking susceptibility of AZ31 alloy in simulated body fluid, Journal of the Mechanical Behavior of Biomedical Materials. 106 (2020) 103724. doi.org/10.1016/j.jmbbm.2020.103724
  8. M. Peron, F. Berto, J. Torgersen, Magnesium and Its Alloys as Implant Materials: Corrosion, Mechanical and Biological Performances, CRC Press, 2020 ISBN: 9780367429454
  9. A.B. Afif, A.L. Dadlani, S. Burgmann, P. Köllensperger, J. Torgersen, Atomic layer deposition of perovskites — Part 1: Fundamentals of nucleation and growth, Material Design & Processing Communications. 2 (2020) e114. doi.org/10.1002/mdp2.114
  10. A.B. Afif, A.L. Dadlani, S. Burgmann, P. Köllensperger, J. Torgersen, Atomic layer deposition of perovskites — Part 2: Designing next generation electronic applications, Material Design & Processing Communications. 2 (2020) e115. doi.org/10.1002/mdp2.115
  11. F. Berto, L. Susmel, B.V. Hooreweder, J. Torgersen, G. Qian, Special Issue ESIAM19 International Journal of Fatigue, International Journal of Fatigue. 136 (2020) 105657. doi.org/10.1016/j.ijfatigue.2020.105657
  12. M. Peron, R. Bertolini, A. Ghiotti, J. Torgersen, S. Bruschi, F. Berto, Enhancement of stress corrosion cracking of AZ31 magnesium alloy in simulated body fluid thanks to cryogenic machining, Journal of the Mechanical Behavior of Biomedical Materials. 101 (2020) 103429. doi.org/10.1016/j.jmbbm.2019.103429

  13. 2019

  14. O. Trejo, A.L. Dadlani, F. De La Paz, S. Acharya, R. Kravec, D. Nordlund, R. Sarangi, F.B. Prinz, J. Torgersen, N.P. Dasgupta, Elucidating the Evolving Atomic Structure in Atomic Layer Deposition Reactions with in Situ XANES and Machine Learning, Chem. Mater. 31 (2019) 8937–8947. doi.org/10.1021/acs.chemmater.9b03025
  15. H.J.D. Johnsen, A. Aksnes, J. Torgersen, Pushing the limits of beam-steering lens arrays, in: R. Winston, E. Yablonovitch (Eds.), Nonimaging Optics: Efficient Design for Illumination and Solar Concentration XVI, SPIE, San Diego, United States, 2019. doi.org/10.1117/12.2528751
  16. H.J.D. Johnsen, J. Torgersen, A. Aksnes, High-concentration wide-angle tracking integration with stacked lens arrays, AIP Conference Proceedings. 2149 (2019) 070005. doi.org/10.1063/1.5124204
  17. M. Peron, J. Torgersen, F. Berto, Effect of Zirconia ALD coating on stress corrosion cracking of AZ31 alloy in simulated body fluid, Procedia Structural Integrity. 18 (2019) 538–548. doi.org/10.1016/j.prostr.2019.08.198

  18. 2018

  19. S. Xu, Y. Kim, J. Park, D. Higgins, S.-J. Shen, P. Schindler, D. Thian, J. Provine, J. Torgersen, T. Graf, T.D. Schladt, M. Orazov, B.H. Liu, T.F. Jaramillo, F.B. Prinz, Extending the limits of Pt/C catalysts with passivation-gas-incorporated atomic layer deposition, Nature Catalysis. 1 (2018) 624. doi.org/10.1038/s41929-018-0118-1
  20. M. Peron, J. Torgersen, P. Ferro, F. Berto, Fracture behaviour of notched as-built EBM parts: Characterization and interplay between defects and notch strengthening behaviour, Theoretical and Applied Fracture Mechanics. 98 (2018) 178–185. doi.org/10.1016/j.tafmec.2018.10.004
  21. M. Peron, J. Torgersen, F. Berto, A Novel Approach for Assessing the Fatigue Behavior of PEEK in a Physiologically Relevant Environment, Materials. 11 (2018) 1923. doi.org/10.3390/ma11101923
  22. M. Peron, J. Torgersen, F. Berto, Assessment of tensile and fatigue behavior of PEEK in a physiologically relevant environment, Frattura ed Integrita Strutturale, 13 (2018) 425-436. doi.org/10.3221/IGF-ESIS.47.33
  23. H.J.D. Johnsen, A. Aksnes, J. Torgersen, Solar tracking using beam-steering lens arrays, in: R. Winston, E. Yablonovitch (Eds.), Nonimaging Optics: Efficient Design for Illumination and Solar Concentration XV, SPIE, San Diego, United States, 2018 doi.org/10.1117/12.2320046
  24. M. Peron, J. Torgersen, F. Berto, Rupture Predictions of Notched Ti-6Al-4V Using Local Approaches, Materials (Basel). 11 (2018) doi.org/10.3390/ma11050663
  25. S. Razavi, G. Bordonaro, P. Ferro, J. Torgersen, F. Berto, Porosity effect on tensile behavior of Ti-6Al-4V specimens produced by laser engineered net shaping technology, Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science. (2018) 0954406218813384. doi.org/10.1177/0954406218813384
  26. S.M.J. Razavi, G.G. Bordonaro, P. Ferro, J. Torgersen, F. Berto, Fatigue Behavior of Porous Ti-6Al-4V Made by Laser-Engineered Net Shaping, Materials. 11 (2018) 284. doi.org/10.3390/ma11020284
  27. S. Acharya, O. Trejo, A. Dadlani, J. Torgersen, F. Berto, F. Prinz, The interface of SiO2/ZnS films studied by high resolution X-ray photoluminescence, Theoretical and Applied Mechanics Letters. 8 (2018) 24–27. doi.org/10.1016/j.taml.2018.01.008

  28. 2017

  29. S.M.J. Razavi, P. Ferro, F. Berto, J. Torgersen, Fatigue strength of blunt V-notched specimens produced by selective laser melting of Ti-6Al-4V, Theoretical and Applied Fracture Mechanics. (2017). doi.org/10.1016/j.tafmec.2017.06.021
  30. A. Dadlani, S. Acharya, O. Trejo, D. Nordlund, M. Peron, J. Razavi, F. Berto, F.B. Prinz, J. Torgersen, Revealing the Bonding Environment of Zn in ALD Zn(O,S) Buffer Layers through X-ray Absorption Spectroscopy, ACS Appl. Mater. Interfaces. 9 (2017) 39105–39109. doi.org/10.1021/acsami.7b06728
  31. M. Peron, J. Torgersen, F. Berto, Mg and its alloys for biomedical applications: Exploring corrosion and its interplay with mechanical failure, Metals. 7 (2017). doi.org/10.3390/met7070252
  32. J. H. Shim, H. J. Choi, Y. Kim, J. Torgersen, J. An, M. H. Lee, F. B. Prinz, Process–property relationship in high-k ALD SrTiO3 and BaTiO3: a review, Journal of Materials Chemistry C. 5 (2017) 8000–8013. doi.org/10.1039/C6TC05158H

  33. 2016

  34. A.L. Dadlani, S. Acharya, O. Trejo, F.B. Prinz, J. Torgersen, ALD Zn(O,S) Thin Films’ Interfacial Chemical and Structural Configuration Probed by XAS, ACS Appl. Mater. Interfaces. 8 (2016) 14323–14327. doi.org/10.1021/acsami.6b04000
  35. J. Torgersen, S. Acharya, A.L. Dadlani, I. Petousis, Y. Kim, O. Trejo, D. Nordlund, F.B. Prinz, Relating Electronic and Geometric Structure of Atomic Layer Deposited BaTiO3 to its Electrical Properties, J. Phys. Chem. Lett. 7 (2016) 1428–1433. doi.org/10.1021/acs.jpclett.6b00393
  36. S. Acharya, J. Torgersen, Y. Kim, J. Park, P. Schindler, A.L. Dadlani, M. Winterkorn, S. Xu, S.P. Walch, T. Usui, C. Schildknecht, F.B. Prinz, Self-limiting atomic layer deposition of barium oxide and barium titanate thin films using a novel pyrrole based precursor, J. Mater. Chem. C. 4 (2016) 1945–1952. doi.org/10.1039/C5TC03561A

  37. 2015

  38. J. Provine, P. Schindler, J. Torgersen, H.J. Kim, H.-P. Karnthaler, F.B. Prinz, Atomic layer deposition by reaction of molecular oxygen with tetrakisdimethylamido-metal precursors, Journal of Vacuum Science & Technology A. 34 (2015) 01A138. doi.org/10.1116/1.4937991
  39. P.E. Petrochenko, J. Torgersen, P. Gruber, L.A. Hicks, J. Zheng, G. Kumar, R.J. Narayan, P.L. Goering, R. Liska, J. Stampfl, A. Ovsianikov, Laser 3D Printing with Sub-Microscale Resolution of Porous Elastomeric Scaffolds for Supporting Human Bone Stem Cells, Adv. Healthcare Mater. 4 (2015) 739–747. doi.org/10.1002/adhm.201400442
  40. A.L. Dadlani, O. Trejo, S. Acharya, J. Torgersen, I. Petousis, D. Nordlund, R. Sarangi, P. Schindler, F.B. Prinz, Exploring the local electronic structure and geometric arrangement of ALD Zn(O,S) buffer layers using X-ray absorption spectroscopy, J. Mater. Chem. C. 3 (2015) 12192–12198. doi.org/10.1039/C5TC02912K

  41. 2014

  42. J. Torgersen, CHAPTER 4. Efficient Photoinitiators for Two-Photon Polymerization, in: A. Tiwari, A. Polykarpov (Eds.), RSC Smart Materials, Royal Society of Chemistry, Cambridge, 2014: pp. 75–86. ebook.rsc.org/?DOI=10.1039/9781782620075-00075
  43. A. Ovsianikov, S. Mühleder, J. Torgersen, Z. Li, X.-H. Qin, S. Van Vlierberghe, P. Dubruel, W. Holnthoner, H. Redl, R. Liska, J. Stampfl, Laser Photofabrication of Cell-Containing Hydrogel Constructs, Langmuir. 30 (2014) 3787–3794. doi.org/10.1021/la402346z

  44. 2013

  45. X.-H. Qin, J. Torgersen, R. Saf, S. Mühleder, N. Pucher, S.C. Ligon, W. Holnthoner, H. Redl, A. Ovsianikov, J. Stampfl, R. Liska, Three-dimensional microfabrication of protein hydrogels via two-photon-excited thiol-vinyl ester photopolymerization, J. Polym. Sci. Part A: Polym. Chem. 51 (2013) 4799–4810. doi.org/10.1002/pola.26903
  46. J. Torgersen, X.-H. Qin, Z. Li, A. Ovsianikov, R. Liska, J. Stampfl, Hydrogels for Two-Photon Polymerization: A Toolbox for Mimicking the Extracellular Matrix, Adv. Funct. Mater. 23 (2013) 4542–4554. doi.org/10.1002/adfm.201203880
  47. Z. Li, N. Pucher, K. Cicha, J. Torgersen, S.C. Ligon, A. Ajami, W. Husinsky, A. Rosspeintner, E. Vauthey, S. Naumov, T. Scherzer, J. Stampfl, R. Liska, A Straightforward Synthesis and Structure–Activity Relationship of Highly Efficient Initiators for Two-Photon Polymerization, Macromolecules. 46 (2013) 352–361. doi.org/10.1021/ma301770a
  48. Z. Li, J. Torgersen, A. Ajami, S. Mühleder, X. Qin, W. Husinsky, W. Holnthoner, A. Ovsianikov, J. Stampfl, R. Liska, Initiation efficiency and cytotoxicity of novel water-soluble two-photon photoinitiators for direct 3D microfabrication of hydrogels, RSC Adv. 3 (2013) 15939–15946. doi.org/10.1039/C3RA42918K

  49. 2012

  50. K. Cicha, T. Koch, J. Torgersen, Z. Li, R. Liska, J. Stampfl, Young’s modulus measurement of two-photon polymerized micro-cantilevers by using nanoindentation equipment, Journal of Applied Physics. 112 (2012) 094906-094906–6. doi.org/doi:10.1063/1.4764330
  51. J. Torgersen, A. Ovsianikov, V. Mironov, N. Pucher, X. Qin, Z. Li, K. Cicha, T. Machacek, R. Liska, V. Jantsch, J. Stampfl, Photo-sensitive hydrogels for three-dimensional laser microfabrication in the presence of whole organisms, Journal of Biomedical Optics. 17 (2012) 105008–105008. doi.org/10.1117/1.JBO.17.10.105008
  52. A. Ovsianikov, Z. Li, J. Torgersen, J. Stampfl, R. Liska, Selective Functionalization of 3D Matrices Via Multiphoton Grafting and Subsequent Click Chemistry, Adv. Funct. Mater. 22 (2012) 3429–3433. doi.org/10.1002/adfm.201200419
  53. A. Ovsianikov, Z. Li, A. Ajami, J. Torgersen, W. Husinsky, J. Stampfl, R. Liska, 3D grafting via three-photon induced photolysis of aromatic azides, Applied Physics A. 108 (2012) 29–34. doi.org/10.1007/s00339-012-6964-9