AC magnetic susceptibility in the antiferromagnetic transition of α-Dy2S3 and the weak-ferromagnetic transition of α-Sm2S3

AC magnetic susceptibility in the antiferromagnetic transition of α-Dy2S3 and the weak-ferromagnetic transition of α-Sm2S3 | 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 Short Report AC magnetic susceptibility in the antiferromagnetic transition of α-Dy 2 S 3 and the weak-ferromagnetic transition of α-Sm 2 S 3 Shuji Ebisu, Takeru Kona, Ryuta Horii, Daichi Yamakawa, Ryo Ishigaki, and 1 more This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-8222468/v1 This work is licensed under a CC BY 4.0 License Status: Under Review Version 1 posted 9 You are reading this latest preprint version Abstract Rare earth sesquisulfides alpha-R2S3 (R = Dy, Sm) possess an orthorhombic crystal structure having two crystallographically inequivalent rare-earth sites, R1 and R2. The compound alpha-Dy2S3 exhibits successive antiferromagnetic transitions at TN1 = 11.4 K and TN2 = 6.4 K, while alpha-Sm2S3 shows successive weak-ferromagnetic transitions at TC1 = 3.6 K and TC2 = 1.8 K. Furthermore, they are fascinating because they exhibit a very large increase and recovery in electrical resistivity within a narrow temperature range just above TN2 and TC1, respectively. In this study, the AC magnetic susceptibility was measured near TN1 and TN2 using alpha-Dy2S3 single crystals, and near TC1 using alpha-Sm2S3 single crystals. The imaginary part of AC susceptibility for each compound exhibited sharp peak near TN2 or TC1, respectively, clearly indicating a phase delay in the magnetic moment motion within each temperature range, where it could not follow the changes in the AC magnetic field. Furthermore, it was found that in alpha-Dy2S3, the peak height increases with increasing AC magnetic field frequency, whereas in alpha-Sm2S3, it decreases, reflecting the difference in magnetic ordering between the two compounds. Antiferromagnetic transition Weak-ferromagnetic transition AC magnetic susceptibility Imaginary part Phase delay Full Text Additional Declarations No competing interests reported. Cite Share Download PDF Status: Under Review Version 1 posted Editorial decision: Revision requested 19 Mar, 2026 Reviews received at journal 30 Dec, 2025 Reviews received at journal 18 Dec, 2025 Reviewers agreed at journal 17 Dec, 2025 Reviewers agreed at journal 09 Dec, 2025 Reviewers invited by journal 09 Dec, 2025 Editor assigned by journal 08 Dec, 2025 Submission checks completed at journal 30 Nov, 2025 First submitted to journal 27 Nov, 2025 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. 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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-8222468","acceptedTermsAndConditions":true,"allowDirectSubmit":false,"archivedVersions":[],"articleType":"Short Report","associatedPublications":[],"authors":[{"id":559033823,"identity":"ea9b56a9-16a9-453a-9c9a-5c971feb1897","order_by":0,"name":"Shuji 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The compound alpha-Dy2S3 exhibits successive antiferromagnetic transitions at TN1 = 11.4 K and TN2 = 6.4 K, while alpha-Sm2S3 shows successive weak-ferromagnetic transitions at TC1 = 3.6 K and TC2 = 1.8 K. Furthermore, they are fascinating because they exhibit a very large increase and recovery in electrical resistivity within a narrow temperature range just above TN2 and TC1, respectively. In this study, the AC magnetic susceptibility was measured near TN1 and TN2 using alpha-Dy2S3 single crystals, and near TC1 using alpha-Sm2S3 single crystals. The imaginary part of AC susceptibility for each compound exhibited sharp peak near TN2 or TC1, respectively, clearly indicating a phase delay in the magnetic moment motion within each temperature range, where it could not follow the changes in the AC magnetic field. 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