Fabrication of palladium-enriched metallic structures by direct focused He<sup>+</sup> and Ne<sup>+</sup> beam nanowriting from organometallic thin films: a comparison with Ga<sup>+</sup> and e<sup>-</sup> beams
Resumen: A direct nanowriting procedure using helium- and neon-focused ion beams and spin-coated organometallic thin films is introduced and applied to the fabrication of Pd-enriched metallic structures in a single lithography step. This process presents significant advantages over multi-step resist-based lithography and focused beam-induced deposition using gaseous precursors, such as its simplicity and speed, respectively. The optimized process leads to Pd-rich structures with low electrical resistivity values of 141 and 152 μΩ cm under Ne+ or He+ fluences of 1000 and 5000 μC cm−2, respectively. These resistivity values correlate well with compositional and microstructural studies, indicating a high Pd metallic content in a dense structure with a few-nm grain size. The obtained results are compared to similar structures fabricated by direct electron and gallium beam nanowriting, demonstrating the full potential of nanopatterned Pd-based organometallic thin films under the most common focused charged beams. The practical applications of combining spin-coated organometallic thin films with focused beam nanowriting in micro- and nano-lithography modern procedures are also discussed in this contribution.
Idioma: Inglés
DOI: 10.1039/d4nr02680b
Año: 2024
Publicado en: Nanoscale 16, 45 (2024), 21128-21137
ISSN: 2040-3364

Financiación: info:eu-repo/grantAgreement/ES/AEI/PDC2023-145810-I00
Financiación: info:eu-repo/grantAgreement/ES/AEI/PID2020-11223914RB-I00
Financiación: info:eu-repo/grantAgreement/ES/AEI/PID2022-141433OB-I00
Financiación: info:eu-repo/grantAgreement/ES/AEI/PID2023-146451OB-I00
Financiación: info:eu-repo/grantAgreement/ES/AEI/RED2022-134096-T
Financiación: info:eu-repo/grantAgreement/ES/AEI/TED2021-131318B-I00
Financiación: info:eu-repo/grantAgreement/EUR/COST-Action/CA19140
Financiación: info:eu-repo/grantAgreement/ES/DGA/E13-23R
Financiación: info:eu-repo/grantAgreement/ES/DGA/E31-23R
Tipo y forma: Article (Published version)
Área (Departamento): Área Química Física (Dpto. Química Física)

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