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Journal: RSC Advances

Abbreviation

RSC Adv.

Publisher

Royal Society of Chemistry

Journal Volumes

ISSN

2046-2069

Description

Filters

2011 - 2019972020 - 202520
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Publications 1 - 10 of 117
  • Hot embossing and thermoforming of biodegradable three-dimensional wood structures
    Item type: Journal Article
    Worgull, Matthias; Schneider, Marc; Röhrig, Michael; et al. (2013)
    RSC Advances
  • Hydrothermal properties of the COS/D2 water model: a polarizable charge-on-spring water model, at elevated temperatures and pressures
    Item type: Journal Article
    Steele-MacInnis, M.; Reimer, J.; Bachmann, S. (2015)
    RSC Advances
  • Improvement of wood material properties via in situ polymerization of styrene into tosylated cell walls
    Item type: Journal Article
    Ermeydan, Mahmut A.; Cabane, Etienne; Gierlinger, Notburga; et al. (2014)
    RSC Advances
  • Microstructure-driven electrical conductivity optimization in additively manufactured microscale copper interconnects
    Item type: Journal Article
    Menétrey, Maxence; van Nisselroy, Cathelijn; Xu, Mengjia; et al. (2023)
    RSC Advances
    As the microelectronics field pushes to increase device density through downscaling component dimensions, various novel micro- and nano-scale additive manufacturing technologies have emerged to expand the small scale design space. These techniques offer unprecedented freedom in designing 3D circuitry but have not yet delivered device-grade materials. To highlight the complex role of processing on the quality and microstructure of AM metals, we report the electrical properties of micrometer-scale copper interconnects fabricated by Fluid Force Microscopy (FluidFM) and Electrohydrodynamic-Redox Printing (EHD-RP). Using a thin film-based 4-terminal testing chip developed for the scope of this study, the electrical resistance of as-printed metals is directly related to print strategies and the specific morphological and microstructural features. Notably, the chip requires direct synthesis of conductive structures on an insulating substrate, which is shown for the first time in the case of FluidFM. Finally, we demonstrate the unique ability of EHD-RP to tune the materials resistivity by one order of magnitude solely through printing voltage. Through its novel electrical characterization approach, this study offers unique insight into the electrical properties of micro- and submicrometer-sized copper interconnects and steps towards a deeper understanding of micro AM metal properties for advanced electronics applications.
  • Nanostructured spinel cobalt ferrites: Fe and Co chemical state, cation distribution and size effects by X-ray photoelectron spectroscopy
    Item type: Journal Article
    Fantauzzi, Marzia; Secci, Fausto; Angotzi, Marco Sanna; et al. (2019)
    RSC Advances
    Nanostructured spinel cobalt ferrite samples having crystallite size ranging between 5.6 and 14.1 nm were characterized by X-ray photoelectron spectroscopy and X-ray induced Auger electron spectroscopy in order to determine the chemical state of the elements, the iron/cobalt ratio and the cation distribution within tetrahedral and octahedral sites. The presence of size-dependent trends in the binding energy of the main photoelectron peaks and in the kinetic energy of the X-ray induced O KLL signal was also investigated. The results showed that iron is present as FeIII and cobalt is present as CoII. The iron/cobalt ratio determined by XPS ranges between 1.8 and 1.9 and it is in very good agreement, within experimental uncertainty, with the expected 2 : 1 ratio. The percentage of Fe in octahedral sites ranges between 62% and 64% for all samples. The kinetic energy of the O KLL signals increases with crystallite size. These results are explained in terms of changes in the ionicity of the metal–oxygen bonds. The results of this investigation highlight how the XPS technique represents a powerful tool to investigate the composition, the chemical state and inversion degree of cobalt spinel ferrites, contributing to the comprehension of their properties.
  • A theoretical and experimental study of the crystal structure of H2V3O8
    Item type: Journal Article
    Mettan, Yoann; Caputo, Riccarda; Chatterji, Tapan (2015)
    RSC Advances
  • Progress in the Suzuki polycondensation of fluorene monomers
    Item type: Journal Article
    Rusu, Radu-Dan; Schlüter, A. Dieter (2014)
    RSC Advances
  • Plasmonic heating with near infrared resonance nanodot arrays for multiplexing optofluidic applications
    Item type: Journal Article
    Steinbrück, Andrea; Choi, Jae-Woo; Fasold, Stefan; et al. (2014)
    RSC Advances
    In this work, we show local laser-induced heating in fluids with gold nanodot arrays prepared by electron-beam lithography that cover resonances in the near infrared spectral range from 750 nm to 880 nm. We utilize two approaches to demonstrate thermal effects, solvent evaporation and flow stop, with a thermosensitive polymer solution. We show that with fluences as low as 4 μJ cm−2, significant heating of the nanostructures occurs in their immediate vicinity. We perform power and wavelength dependent measurements to determine the threshold of the thermal effects. Using wavelengths about 20 nm away from the plasmonic resonance peak, the heating drops drastically, and 30 to 40 nm away, there is mostly no thermal effect. Therefore, working close to the threshold laser power offers the possibility of multiplexed reactions or sensing without cross-talk even though a typical full width at half maximum of a plasmonic resonance spectrum can be as broad as 200 nm. Additionally, comparison with theoretical calculations of heat generation show good agreement with the experimentally determined threshold powers.
  • Continuous and low error-rate passive synchronization of pre-formed droplets
    Item type: Journal Article
    Dressler, Oliver; Yang, Tianjin; Chang, S.I.; et al. (2015)
    RSC Advances
    A microfluidic droplet-handling architecture for the synchronization of asynchronous, mis-matched, pre-formed droplet streams is demonstrated. This architecture is shown to be robust to variations in droplet input frequencies, whilst still producing highly reliable synchronisation. The operational phase space with regards to droplet size disparity is explored and the long-term operational stability of the system confirmed. Specifically, the microfluidic platform to synchronies droplet streams at a rate of 33 Hz over extended periods of time and with an error rate less than 0.2%.
  • Exploring the structure–composition phase space of lithium borocarbide, LixBC for x >= 1
    Item type: Journal Article
    Caputo, Riccarda (2013)
    RSC Advances
Publications 1 - 10 of 117