Nambu-Goldstone mode in K3Na(SeO4)2 crystal

Nambu-Goldstone mode in K3Na(SeO4)2 crystal | Research Square window.SnipcartSettings = { analytics: { enabled: false } }; (function() { var accessVector = localStorage.getItem('access_vector') || ''; window.dataLayer = window.dataLayer || []; if (accessVector) { window.dataLayer.push({ user: { profile: { profileInfo: { snid: accessVector } } } }); } })(); (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-K279D39R'); Browse Preprints In Review Journals COVID-19 Preprints AJE Video Bytes Research Tools Research Promotion AJE Professional Editing AJE Rubriq About Preprint Platform In Review Editorial Policies Our Team Advisory Board Help Center Sign In Submit a Preprint Cite Share Download PDF Article Nambu-Goldstone mode in K 3 Na(SeO 4 ) 2 crystal M. Kaczmarski, J. Jenczyk, B. Mróz This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-4388259/v1 This work is licensed under a CC BY 4.0 License Status: Posted Version 1 posted You are reading this latest preprint version Abstract The Nambu-Goldstone optical mode has been observed in the ferroelastic crystals for the first time. The amplitudon and phason modes have been identified in the Raman spectra of K3Na(SeO4)2 (KNSe) crystal. We discuss the occurrence of such lattice vibration concerning to the possible presence of an incommensurate phase. The potential scenario of the dynamics of SO4 tetrahedron leading to the appearance of IC phase accompanied with critical temperature behavior of two external vibrations of Ag symmetry is given together with molecular mechanism of phase transitions in the material studied. The effect of spatial reorganization of the crystal lattice associated with the ferroelastic domains of the KNSe crystal of W and W' type is also discussed. We show that the emergence of such domain structure may also be a source of incommensurability. Finally, both amplitudon and phason have been classified as type A propagating and diffusion modes respectively. Physical sciences/Materials science Physical sciences/Physics Full Text Additional Declarations No competing interests reported. Supplementary Files SupplementaryInformationGoldstone2024.docx Cite Share Download PDF Status: Posted Version 1 posted You are reading this latest preprint version Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. As a division of Research Square Company, we’re committed to making research communication faster, fairer, and more useful. We do this by developing innovative software and high quality services for the global research community. Our growing team is made up of researchers and industry professionals working together to solve the most critical problems facing scientific publishing. Also discoverable on Platform About Our Team In Review Editorial Policies Advisory Board Help Center Resources Author Services Accessibility API Access RSS feed Manage Cookie Preferences © Research Square 2026 | ISSN 2693-5015 (online) Privacy Policy Terms of Service Do Not Sell My Personal Information {"props":{"pageProps":{"initialData":{"identity":"rs-4388259","acceptedTermsAndConditions":true,"allowDirectSubmit":true,"archivedVersions":[],"articleType":"Article","associatedPublications":[],"authors":[{"id":312501888,"identity":"b8fd86ca-19b5-44af-9ca6-42fba14be3ca","order_by":0,"name":"M. 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The amplitudon and phason modes have been identified in the Raman spectra of K3Na(SeO4)2 (KNSe) crystal. We discuss the occurrence of such lattice vibration concerning to the possible presence of an incommensurate phase. The potential scenario of the dynamics of SO4 tetrahedron leading to the appearance of IC phase accompanied with critical temperature behavior of two external vibrations of Ag symmetry is given together with molecular mechanism of phase transitions in the material studied. The effect of spatial reorganization of the crystal lattice associated with the ferroelastic domains of the KNSe crystal of W and W' type is also discussed. We show that the emergence of such domain structure may also be a source of incommensurability. 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