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In contrast, the metallic\u2010phase 1T\u2010MoS\n                    <jats:sub>2<\/jats:sub>\n                    is a highly sensitive, metastable, and complex phase that is not naturally occurring. This heightened sensitivity and instability have resulted in a widespread misrepresentation in academic literature. Based on the current understanding, the majority of Raman investigations incorrectly identify the spectrum of MoO\n                    <jats:sub>3<\/jats:sub>\n                    as 1T\u2010MoS\n                    <jats:sub>2<\/jats:sub>\n                    due to the samples oxidation when exposed to intense laser irradiation in the presence of air, as commonly performed. Therefore, this work focuses on conducting a comprehensive Raman analysis of 1T\u2010MoS\n                    <jats:sub>2<\/jats:sub>\n                    by investigating the impact of oxidizing atmosphere, laser power, irradiation time, and temperature changes on the sample. Controlling the Raman conditions has allowed to introduce a novel spectrum that signifies a new phase triggered by laser heating. This has led to further confusion in the identification of the metallic MoS\n                    <jats:sub>2<\/jats:sub>\n                    polymorphs. This study seeks to expose the current challenges in characterizing the metallic phase of MoS\n                    <jats:sub>2<\/jats:sub>\n                    , especially when using Raman spectroscopy, which, till now, is considered the most reliable technique for this purpose. These results provide guidance to the next experimental Raman studies and possible practical applications for materials engineering.\n                  <\/jats:p>","DOI":"10.1002\/smtd.202501129","type":"journal-article","created":{"date-parts":[[2025,9,3]],"date-time":"2025-09-03T11:00:48Z","timestamp":1756897248000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["Raman of 2D\u2010MoS\n                    <sub>2<\/sub>\n                    : Disentangling the Metallic Phase Conundrum"],"prefix":"10.1002","volume":"9","author":[{"given":"Alaeddin","family":"Maddouri","sequence":"first","affiliation":[{"name":"Catalan Institute of Nanoscience and Nanotechnology (ICN2) CSIC and BIST  Campus UAB, Bellaterra Cerdanyola Barcelona 08193 Spain"},{"name":"Laboratory of Materials: Treatment and Analysis National Institute of Research and Physico\u2010Chemical Analysis  Sidi Thabet Ariana 2020 Tunisia"},{"name":"Faculty of Sciences of Bizerte Carthage University  Jarzouna Bizerte 7021 Tunisia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jos\u00e9 Ram\u00f3n","family":"Dur\u00e1n\u2010Retamal","sequence":"additional","affiliation":[{"name":"Catalan Institute of Nanoscience and Nanotechnology (ICN2) CSIC and BIST  Campus UAB, Bellaterra Cerdanyola Barcelona 08193 Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sergio Humberto","family":"Domingues","sequence":"additional","affiliation":[{"name":"Catalan Institute of Nanoscience and Nanotechnology (ICN2) CSIC and BIST  Campus UAB, Bellaterra Cerdanyola Barcelona 08193 Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"David Llorens","family":"Rauret","sequence":"additional","affiliation":[{"name":"Catalan Institute of Nanoscience and Nanotechnology (ICN2) CSIC and BIST  Campus UAB, Bellaterra Cerdanyola Barcelona 08193 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