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Express"],"published-print":{"date-parts":[[2024,7,1]]},"abstract":"<jats:p>We report on micro-Raman spectra of several mixed laser ceramics, i.e., 5<jats:italic toggle=\"yes\">at.%<\/jats:italic>Tm:(Sc<jats:sub>x<\/jats:sub>Y<jats:sub>1\u2212x<\/jats:sub>O<jats:sub>2<\/jats:sub>)<jats:sub>3<\/jats:sub> with x\u2009=\u20090.121, 0.252, 0.489 and 5<jats:italic toggle=\"yes\">at.%<\/jats:italic>Tm:Y<jats:sub>2<\/jats:sub>O<jats:sub>3<\/jats:sub> ceramic. The samples were fabricated by solid-state pressureless consolidation of nanopowders produced by laser ablation of solid target in air flow. In particular, we studied the influence of Sc<jats:sup>3+<\/jats:sup> content on the active vibration modes in terms of peak positions and shifts, linewidths and shapes: these parameters are relevant for the emission bandwidth of the laser medium. A shift towards higher frequencies is measured with the increase of the Sc<jats:sup>3+<\/jats:sup> content in all samples in particular in (Tm<jats:sub>0.048<\/jats:sub>Y<jats:sub>0.463<\/jats:sub>Sc<jats:sub>0.489<\/jats:sub>O<jats:sub>2<\/jats:sub>)<jats:sub>3<\/jats:sub> where the main Raman peaks are placed at 395, 494, 635\u2005cm<jats:sup>\u22121<\/jats:sup> while their shifts with Tm:Y<jats:sub>2<\/jats:sub>O<jats:sub>3<\/jats:sub> are 22.6, 25.1, 40.1\u2005cm<jats:sup>\u22121<\/jats:sup>, respectively. The assignment of the vibrational spectrum was obtained by density functional theory (DFT) with the Perdew-Burke-Enzerhof (PBE) exchange-correlation functional within the harmonic approximation framework.<\/jats:p>","DOI":"10.1364\/oe.518356","type":"journal-article","created":{"date-parts":[[2024,3,8]],"date-time":"2024-03-08T04:00:06Z","timestamp":1709870406000},"page":"23932","update-policy":"https:\/\/doi.org\/10.1364\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Dependence of the Raman vibration modes on structural properties of Tm:(Sc<sub>x<\/sub>Y<sub>1\u2212x<\/sub>)<sub>2<\/sub>O<sub>3<\/sub> laser ceramics with 0\u2009\u2264\u2009x\u2009&lt;\u20091"],"prefix":"10.1364","volume":"32","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1999-7176","authenticated-orcid":true,"given":"Angela","family":"Pirri","sequence":"first","affiliation":[{"name":"Istituto di Fisica Applicata \u201cCarrara\u201d"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alberto","family":"Santonocito","sequence":"additional","affiliation":[{"name":"Universit\u00e0 di Pisa"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Roman N.","family":"Maksimov","sequence":"additional","affiliation":[{"name":"Ural Federal University named after the first President of Russia B.N. Yeltsin"},{"name":"Institute of Electrophysics UrB RAS"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Vladislav A.","family":"Shitov","sequence":"additional","affiliation":[{"name":"Ural Federal University named after the first President of Russia B.N. Yeltsin"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Maurizio","family":"Becucci","sequence":"additional","affiliation":[{"name":"Universit\u00e0 di Firenze"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2696-1611","authenticated-orcid":true,"given":"Barbara","family":"Patrizi","sequence":"additional","affiliation":[{"name":"Istituto Nazionale di Ottica"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Matteo","family":"Vannini","sequence":"additional","affiliation":[{"name":"Istituto Nazionale di Ottica"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Guido","family":"Toci","sequence":"additional","affiliation":[{"name":"Istituto Nazionale di Ottica"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"285","published-online":{"date-parts":[[2024,6,17]]},"reference":[{"key":"oe-32-14-23932-R1","doi-asserted-by":"publisher","first-page":"67","DOI":"10.1016\/S0925-3467(01)00202-6","volume":"19","author":"Petermann","year":"2002","journal-title":"Opt. 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