{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,21]],"date-time":"2026-07-21T13:38:32Z","timestamp":1784641112050,"version":"3.55.0"},"reference-count":74,"publisher":"MDPI AG","issue":"14","license":[{"start":{"date-parts":[[2021,7,19]],"date-time":"2021-07-19T00:00:00Z","timestamp":1626652800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"National Science Center","award":["DEC-2019\/03\/X\/ST5\/00452"],"award-info":[{"award-number":["DEC-2019\/03\/X\/ST5\/00452"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Materials"],"abstract":"<jats:p>AuSn and AuSn2 thin films (5 nm) were used as precursors during the formation of semiconducting metal oxide nanostructures on a silicon substrate. The nanoparticles were produced in the processes of annealing and oxidation of gold\u2013tin intermetallic compounds under ultra-high vacuum conditions. The formation process and morphology of a mixture of SnO2 and Au@SnOx (the core\u2013shell structure) nanoparticles or Au nanocrystalites were carefully examined by means of spectroscopic ellipsometry (SE), X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM), and transmission electron microscopy (TEM) combined with energy-dispersive X-ray spectroscopy (EDX). The annealing and oxidation of the thin film of the AuSn intermetallic compound led to the formation of uniformly distributed structures with a size of \u223c20\u201330 nm. All of the synthesized nanoparticles exhibited a strong absorption band at 520\u2013530 nm, which is typical for pure metallic or metal oxide systems.<\/jats:p>","DOI":"10.3390\/ma14144034","type":"journal-article","created":{"date-parts":[[2021,7,19]],"date-time":"2021-07-19T21:39:15Z","timestamp":1626730755000},"page":"4034","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["Microstructure and Optical Properties of Nanostructural Thin Films Fabricated through Oxidation of Au\u2013Sn Intermetallic Compounds"],"prefix":"10.3390","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9416-1849","authenticated-orcid":false,"given":"Lukasz","family":"Skowronski","sequence":"first","affiliation":[{"name":"Institute of Mathematics and Physics, UTP University of Science and Technology, Kaliskiego 7, 85-796 Bydgoszcz, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7304-9655","authenticated-orcid":false,"given":"Marek","family":"Trzcinski","sequence":"additional","affiliation":[{"name":"Institute of Mathematics and Physics, UTP University of Science and Technology, Kaliskiego 7, 85-796 Bydgoszcz, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6129-4151","authenticated-orcid":false,"given":"Aleksandra","family":"Olszewska","sequence":"additional","affiliation":[{"name":"Institute of Mathematics and Physics, UTP University of Science and Technology, Kaliskiego 7, 85-796 Bydgoszcz, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6313-9574","authenticated-orcid":false,"given":"Robert","family":"Szczesny","sequence":"additional","affiliation":[{"name":"Faculty of Chemistry, Nicolaus Copernicus University in Torun, Gagarina 7, 87-100 Torun, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2021,7,19]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"6988","DOI":"10.1021\/acsomega.8b00725","article-title":"Interfacial Doping of Heteroatom in Porous SnO2 for Highly Sensitive Surface Properties","volume":"3","author":"Zhang","year":"2018","journal-title":"ACS Omega"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"1604","DOI":"10.1002\/cctc.201402052","article-title":"Tuning Al2O3 Surface with SnO2 to Prepare Improved Supports for Pd for CO Oxidation","volume":"6","author":"Wang","year":"2014","journal-title":"ChemCatChem"},{"key":"ref_3","doi-asserted-by":"crossref","first-page":"470","DOI":"10.1039\/C8MH01365A","article-title":"Advances in designs and mechanisms of semiconducting metal oxide nanostructures for high-precision gas sensors operated at room temperature","volume":"6","author":"Li","year":"2019","journal-title":"Mater. 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