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Layered Al2O3-SiO2 and Al2O3-Ta2O5 thin-film composites for high dielectric strength, deposited by pulsed direct current and radio frequency magnetron sputtering (2019)
Journal Article
Hanby, B. V., Stuart, B. W., Gimeno-Fabra, M., Moffat, J., Gerada, C., & Grant, D. M. (2019). Layered Al2O3-SiO2 and Al2O3-Ta2O5 thin-film composites for high dielectric strength, deposited by pulsed direct current and radio frequency magnetron sputtering. Applied Surface Science, 492, 328-336. https://doi.org/10.1016/j.apsusc.2019.06.202

Multilayer thin films have the potential to act as high dielectric strength insulation for wire and microelectronics. In this study, films consisting of 2, 4 or 8 layers, composed of Al2O3 with SiO2 or Ta2O5, were prepared via pulsed direct current a... Read More about Layered Al2O3-SiO2 and Al2O3-Ta2O5 thin-film composites for high dielectric strength, deposited by pulsed direct current and radio frequency magnetron sputtering.

Dielectric breakdown of alumina thin films produced by pulsed direct current magnetron sputtering (2018)
Journal Article
Hanby, B. V., Stuart, B. W., Grant, C., Moffat, J., Blissett, J., Gerada, C., …Grant, D. M. (2018). Dielectric breakdown of alumina thin films produced by pulsed direct current magnetron sputtering. Thin Solid Films, 662, 145-154. https://doi.org/10.1016/j.tsf.2018.07.004

Alumina films (~2 μm thick) were deposited with a mixed Cu/Al interlayer onto copper. Direct current (DC)/Pulsed DC (PDC) magnetron sputtering techniques were independently compared for reactive alumina sputtering. In DC sputtered films, elemental al... Read More about Dielectric breakdown of alumina thin films produced by pulsed direct current magnetron sputtering.

A review of the environmental impact of nanomaterial synthesis using continuous flow hydrothermal synthesis (2018)
Journal Article
Caramazana, P., Dunne, P., Gimeno-Fabra, M., McKechnie, J., & Lester, E. (2018). A review of the environmental impact of nanomaterial synthesis using continuous flow hydrothermal synthesis. Current Opinion in Green and Sustainable Chemistry, 12, 57-62. https://doi.org/10.1016/j.cogsc.2018.06.016

Continuous flow hydrothermal synthesis (CFHS) is an emerging process technology for the manufacture of nanomaterials. Recent work has been undertaken to establish the green ‘credentials’ of CFHS amongst alternative techniques for nanosynthesis. In th... Read More about A review of the environmental impact of nanomaterial synthesis using continuous flow hydrothermal synthesis.

Mechanical, structural and dissolution properties of heat treated thin-film phosphate based glasses (2017)
Journal Article
Stuart, B. W., Gimeno-Fabra, M., Segal, J., Ahmed, I., & Grant, D. M. (2017). Mechanical, structural and dissolution properties of heat treated thin-film phosphate based glasses. Applied Surface Science, 416, 605-617. https://doi.org/10.1016/j.apsusc.2017.04.110

Here we show the deposition of 2.7 μm thick phosphate based glass films produced by magnetron sputtering, followed by post heat treatments at 500 °C. Variations in degradation properties pre and post heat treatment were attributed to the formation of... Read More about Mechanical, structural and dissolution properties of heat treated thin-film phosphate based glasses.

Assessing the life cycle environmental impacts of titania nanoparticle production by continuous flow solvo/hydrothermal synthesis (2017)
Journal Article
Caramazana-Gonzalez, P., Dunne, P. W., Gimeno-Fabra, M., Zilka, M., Ticha, M., Stieberova, B., …Lester, E. (in press). Assessing the life cycle environmental impacts of titania nanoparticle production by continuous flow solvo/hydrothermal synthesis. Green Chemistry, 19, https://doi.org/10.1039/C6GC03357A

Continuous-flow hydrothermal and solvothermal syntheses offer substantial advantages over conventional processes, producing high quality materials from a wide range of precursors. In this study, we evaluate the “cradle-to-gate” life cycle environment... Read More about Assessing the life cycle environmental impacts of titania nanoparticle production by continuous flow solvo/hydrothermal synthesis.

Cyclic pressure on compression-moulded bioresorbable phosphate glass fibre reinforced composites (2016)
Journal Article
Barrera Betanzos, F., Gimeno-Fabra, M., Segal, J., Grant, D., & Ahmed, I. (2016). Cyclic pressure on compression-moulded bioresorbable phosphate glass fibre reinforced composites. Materials and Design, 100, https://doi.org/10.1016/j.matdes.2016.03.108

The use of thermoplastic composites based on poly(lactic) acid and phosphate glass fibres over metallic alloys for clinical restorative treatment is highly beneficial due to their biocompatibility and biodegradability. However, difficulties in achiev... Read More about Cyclic pressure on compression-moulded bioresorbable phosphate glass fibre reinforced composites.

In vitro degradation and mechanical properties of PLA-PCL copolymer unit cell scaffolds generated by two-photon polymerization (2016)
Journal Article
Felfel, R. M., Poocza, L., Gimeno-Fabra, M., Milde, T., Hildebrand, G., Ahmed, I., …Liefeith, K. (2016). In vitro degradation and mechanical properties of PLA-PCL copolymer unit cell scaffolds generated by two-photon polymerization. Biomedical Materials, 11(1), Article 015011. https://doi.org/10.1088/1748-6041/11/1/015011

© 2016 IOP Publishing Ltd. The manufacture of 3D scaffolds with specific controlled porous architecture, defined microstructure and an adjustable degradation profile was achieved using two-photon polymerization (TPP) with a size of 2 × 4 × 2 mm3. Sca... Read More about In vitro degradation and mechanical properties of PLA-PCL copolymer unit cell scaffolds generated by two-photon polymerization.

Degradation and Characterization of Resorbable Phosphate-Based Glass Thin-Film Coatings Applied by Radio-Frequency Magnetron Sputtering (2015)
Journal Article
Stuart, B. W., Stuart, B., Gimeno-Fabra, M., Segal, J., Ahmed, I., & Grant, D. M. (2015). Degradation and Characterization of Resorbable Phosphate-Based Glass Thin-Film Coatings Applied by Radio-Frequency Magnetron Sputtering. ACS Applied Materials and Interfaces, 7(49), 27362-27372. https://doi.org/10.1021/acsami.5b08957

Quinternary phosphate-based glasses of up to 2.67 ?m, deposited by radio-frequency magnetron sputtering, were degraded in distilled water and phosphate-buffered saline (PBS) to investigate their degradation characteristics. Magnetron- sputtered coati... Read More about Degradation and Characterization of Resorbable Phosphate-Based Glass Thin-Film Coatings Applied by Radio-Frequency Magnetron Sputtering.

Continuous synthesis of dispersant-coated hydroxyapatite plates (2015)
Journal Article
Gimeno-Fabra, M., Hild, F., Dunne, P., Walton, K., Grant, D., Irvine, D. J., & Lester, E. (2015). Continuous synthesis of dispersant-coated hydroxyapatite plates. CrystEngComm, 17(32), 6175-6182. doi:10.1039/c5ce00628g

A continuous flow hydrothermal synthetic route which allows the direct “in situ” capping/coating of hydroxyapatite nanoplates with functional dispersants in a single stage is reported. The methodology induced crystallisation by rapid mixing of stream... Read More about Continuous synthesis of dispersant-coated hydroxyapatite plates.

Organic semiconductors with a charge carrier life time of over 2 hours at room temperature (2015)
Journal Article
Liu, Y., MacKenzie, R. C., Xu, B., Gao, Y., Gimeno-Fabra, M., Grant, D., …Tian, W. (2015). Organic semiconductors with a charge carrier life time of over 2 hours at room temperature. Journal of Materials Chemistry C, 3(47), 12260-12266. https://doi.org/10.1039/c5tc02678d

Recently, Gao et al. reported being able to measure significant quantities of photogenerated charge up to one hour after it had been generated in an organic semiconductor device. The aim of this paper is twofold; (a) to provide conclusive experimenta... Read More about Organic semiconductors with a charge carrier life time of over 2 hours at room temperature.

The rapid size- and shape-controlled continuous hydrothermal synthesis of metal sulphide nanomaterials (2014)
Journal Article
Dunne, P. W., Starkey, C. L., Gimeno-Fabra, M., & Lester, E. (2014). The rapid size- and shape-controlled continuous hydrothermal synthesis of metal sulphide nanomaterials. Nanoscale, 6(4), 2406-2418. https://doi.org/10.1039/c3nr05749f

Continuous flow hydrothermal synthesis offers a cheap, green and highly scalable route for the preparation of inorganic nanomaterials which has predominantly been applied to metal oxide based materials. In this work we report the first continuous flo... Read More about The rapid size- and shape-controlled continuous hydrothermal synthesis of metal sulphide nanomaterials.