R
Raquel Giulian
Researcher at Universidade Federal do Rio Grande do Sul
Publications - 67
Citations - 1703
Raquel Giulian is an academic researcher from Universidade Federal do Rio Grande do Sul. The author has contributed to research in topics: Irradiation & Amorphous solid. The author has an hindex of 23, co-authored 65 publications receiving 1529 citations. Previous affiliations of Raquel Giulian include Australian National University.
Papers
More filters
Journal ArticleDOI
Fine Structure in Swift Heavy Ion Tracks in Amorphous SiO2
Patrick Kluth,Claudia Schnohr,Olli H. Pakarinen,Flyura Djurabekova,David J. Sprouster,Raquel Giulian,Mark C Ridgway,Aidan Byrne,Christina Trautmann,David Cookson,Kai Nordlund,Marcel Toulemonde +11 more
TL;DR: The observation of a fine structure in ion tracks in amorphous SiO2 using small angle x-ray scattering measurements is reported, consistent with a frozen-in pressure wave originating from the center of the ion track as a result of a thermal spike.
Journal ArticleDOI
Role of thermodynamics in the shape transformation of embedded metal nanoparticles induced by swift heavy-ion irradiation.
Mark C Ridgway,Raquel Giulian,David J. Sprouster,Patrick Kluth,Leandro Araujo,David Llewellyn,Aidan Byrne,Felipe Kremer,Paulo Fernando Papaleo Fichtner,Giancarlo Rizza,Hiro Amekura,Marcel Toulemonde +11 more
TL;DR: It is demonstrated the elongation process is governed by the formation of a molten ion-track in amorphous SiO(2) such that upon saturation the elongated NP width never exceeds the molten Ion-track diameter.
Journal ArticleDOI
Genotoxicity and mutagenicity of iron and copper in mice
Daniel Prá,Silvia Isabel Rech Franke,Raquel Giulian,Maria Lucia Yoneama,Johnny Ferraz Dias,Bernardo Erdtmann,João Antonio Pêgas Henriques,João Antonio Pêgas Henriques +7 more
TL;DR: Treatment with iron, but not with copper, induced a significant increase in the hepatic level of the respective metal, reflecting different excretion strategies.
Journal ArticleDOI
Tracks and voids in amorphous Ge induced by swift heavy-ion irradiation
Mark C Ridgway,Thomas Bierschenk,Raquel Giulian,Boshra Afra,Matias Rodriguez,Leandro Araujo,Aidan Byrne,Nigel Kirby,Olli H. Pakarinen,Flyura Djurabekova,Kai Nordlund,Marika Schleberger,O. Osmani,Nikita Medvedev,Baerbel Rethfeld,Patrick Kluth +15 more
TL;DR: Ion tracks formed in amorphous Ge by swift heavy-ion irradiation have been identified with experiment and modeling to yield unambiguous evidence of tracks in an amorphously semiconductor.
Journal ArticleDOI
Shape transformation of Pt nanoparticles induced by swift heavy-ion irradiation
Raquel Giulian,Patrick Kluth,Leandro Araujo,David J. Sprouster,Aidan Byrne,David Cookson,Mark C Ridgway +6 more
TL;DR: In this paper, small-angle x-ray scattering (SAXS) and transmission electron microscopy were used to characterize an irradiation-induced shape transformation within the NPs.