Area-selective atomic layer deposition of noble metals: polymerized fluorocarbon layers as effective growth inhibitors

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buir.contributor.authorDeminskyi, Petro
buir.contributor.authorHaider, Ali
buir.contributor.authorKhan, Talha Masood
buir.contributor.orcidDeminskyi, Petro|0000-0002-7656-2902
buir.contributor.orcidKhan, Talha Masood|0000-0003-0308-6869
dc.citation.epage14en_US
dc.citation.issueNumber1en_US
dc.citation.spage1en_US
dc.citation.volumeNumberASD2020en_US
dc.contributor.authorDeminskyi, Petro
dc.contributor.authorHaider, Ali
dc.contributor.authorEren, Hamit
dc.contributor.authorKhan, Talha Masood
dc.contributor.authorBıyıklı, Necmi
dc.date.accessioned2022-01-26T10:31:57Z
dc.date.available2022-01-26T10:31:57Z
dc.date.issued2021-01-29
dc.departmentInstitute of Materials Science and Nanotechnology (UNAM)en_US
dc.description.abstractThe increasingly complex nanoscale three-dimensional and multilayered structures utilized in nanoelectronic, catalytic, and energy conversion/storage devices necessitate novel substrate-selective material deposition approaches featuring bottom-up and self-aligned precision processing. Here, we demonstrate the area-selective atomic layer deposition (AS-ALD) of two noble metals, Pt and Pd, by using a plasma-polymerized fluorocarbon layer as growth inhibition surfaces. The contact angle, x-ray photoelectron spectroscopy (XPS), and scanning electron microscopy measurements were performed to investigate the blocking ability of polymerized fluorocarbon (CFx) layers against ALD-grown metal films. Both Pt and Pd showed significant nucleation delays on fluorocarbon surfaces. Self-aligned film deposition is confirmed using this strategy by growing Pt and Pd on the microscale lithographically patterned CFx/Si samples. CFx blocking layer degradation during ozone exposure was analyzed using XPS measurements, which confirmed the oxygen physisorption as the main responsible surface reaction with further hydroxyl group formation on the CFx surface. Our work reveals that the CFx layer is compatible with an ozone coreactant until the blocking polymer cannot withstand oxygen physisorption. Our results could potentially be used to investigate and develop radical-assisted AS-ALD processes for a wider selection of materials.en_US
dc.description.provenanceSubmitted by Türkan Cesur (cturkan@bilkent.edu.tr) on 2022-01-26T10:31:57Z No. of bitstreams: 1 Area_selective_atomic_layer_deposition_of_noble_metals_Polymerized_fluorocarbon_layers_as_effective_growth_inhibitors__.pdf: 12220726 bytes, checksum: 5dd5ca30f47a84af1c943ccf76100827 (MD5)en
dc.description.provenanceMade available in DSpace on 2022-01-26T10:31:57Z (GMT). No. of bitstreams: 1 Area_selective_atomic_layer_deposition_of_noble_metals_Polymerized_fluorocarbon_layers_as_effective_growth_inhibitors__.pdf: 12220726 bytes, checksum: 5dd5ca30f47a84af1c943ccf76100827 (MD5) Previous issue date: 2021-01-29en
dc.identifier.doi10.1116/6.0000701en_US
dc.identifier.eissn1520-8559
dc.identifier.issn0734-2101
dc.identifier.urihttp://hdl.handle.net/11693/76793
dc.language.isoEnglishen_US
dc.publisherAVS Science and Technology Societyen_US
dc.relation.isversionofhttps://doi.org/10.1116/6.0000701en_US
dc.source.titleJournal of Vacuum Science & Technology Aen_US
dc.titleArea-selective atomic layer deposition of noble metals: polymerized fluorocarbon layers as effective growth inhibitorsen_US
dc.typeArticleen_US

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