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6 June 2023 Local modifications of TiO2 and SrTiO3 properties intentionally induced by hard X-ray nanobeams (Conference Presentation)
Andrea Alessio, Kalle Goß, Valentina Bonino, Vanessa Hinojosa, Santanu Kumar Padhi, Federico Picollo, Lorenzo Mino, Jorge Serrano, Gema Martinez-Criado, Regina Dittmann, Marco Truccato
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Proceedings Volume 12578, Optics Damage and Materials Processing by EUV/X-ray Radiation (XDam8); 125780I (2023) https://doi.org/10.1117/12.2665689
Event: SPIE Optics + Optoelectronics, 2023, Prague, Czech Republic
Abstract
We have modified the electrical properties of rutile TiO2 with a 17 keV X-ray beam about 50x50 nm2 in size. We have drawn a conducting channel in an insulating matrix, guided the electroforming of a conducting filament and modified the rectifying properties of a Schottky barrier. We have also observed changes in the surface morphology and a more intense Raman activity in the irradiated regions. Computer simulations show that temperature spikes at the nanoscale are expected in correspondence with the synchrotron pulses, and preliminary measurements via single crystal X-ray diffraction confirm that local heating takes place during irradiation.
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Andrea Alessio, Kalle Goß, Valentina Bonino, Vanessa Hinojosa, Santanu Kumar Padhi, Federico Picollo, Lorenzo Mino, Jorge Serrano, Gema Martinez-Criado, Regina Dittmann, and Marco Truccato "Local modifications of TiO2 and SrTiO3 properties intentionally induced by hard X-ray nanobeams (Conference Presentation)", Proc. SPIE 12578, Optics Damage and Materials Processing by EUV/X-ray Radiation (XDam8), 125780I (6 June 2023); https://doi.org/10.1117/12.2665689
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KEYWORDS
Titanium dioxide
Hard x-rays
Raman spectroscopy
Crystals
Single crystal X-ray diffraction
Oxygen
Platinum
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