{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,17]],"date-time":"2026-08-17T14:55:32Z","timestamp":1786978532501,"version":"build-2736575974"},"reference-count":51,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2025,11,27]],"date-time":"2025-11-27T00:00:00Z","timestamp":1764201600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2025,11,27]],"date-time":"2025-11-27T00:00:00Z","timestamp":1764201600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/100000183","name":"Army Research Office","doi-asserted-by":"publisher","award":["W911NF\u201023\u20101\u20100060"],"award-info":[{"award-number":["W911NF\u201023\u20101\u20100060"]}],"id":[{"id":"10.13039\/100000183","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Small"],"published-print":{"date-parts":[[2026,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    Alloying is one of the main tools of bandgap engineering, allowing the tuning of crystal structure, lattice parameters, and electronic structure of 3D and 2D\/layered semiconductors. Among the latter, it can play a key role in tailoring the properties of tin monochalcogenides, a class of van der Waals semiconductors of interest for optoelectronics, thermoelectrics, ferroelectrics, and valleytronics. Here, the study investigates the synthesis and properties of large flakes of the anion substitution alloys SnSe\n                    <jats:sub>1\u2010x<\/jats:sub>\n                    S\n                    <jats:sub>x<\/jats:sub>\n                    . Alloy flakes across a wide range of compositions are obtained systematically by repeated growth from the same mixed (SnS, SnSe) powder precursor. Combined experiment and theory show full miscibility for all compositions, along with tunable lattice constants, bandgaps, and vibrational modes. Atomic resolution imaging demonstrates the accumulation of S and Se in alternating layers in the SnSe\n                    <jats:sub>1\u2010x<\/jats:sub>\n                    S\n                    <jats:sub>x<\/jats:sub>\n                    unit cell, attributed to growth kinetics. Polarized Raman spectroscopy confirms anisotropic vibrational modes; the calculated and measured band structure shows systematic changes in the band edge energies and anisotropic electronic structure due to the anisotropic in\u2010plane lattice of the monochalcogenides. Cathodoluminescence, finally, indicates that a unique configuration of two non\u2010degenerate, direct valleys along orthogonal\n                    <jats:italic>k<\/jats:italic>\n                    \u2010space directions persists all the way from SnS to SnSe, making SnSe\n                    <jats:sub>1\u2010x<\/jats:sub>\n                    S\n                    <jats:sub>x<\/jats:sub>\n                    alloys interesting for valleytronics.\n                  <\/jats:p>","DOI":"10.1002\/smll.202508578","type":"journal-article","created":{"date-parts":[[2025,11,27]],"date-time":"2025-11-27T10:16:42Z","timestamp":1764238602000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["SnSe\n                    <sub>1\u2010x<\/sub>\n                    S\n                    <sub>x<\/sub>\n                    Alloys: Anisotropic Van der Waals Semiconductors with Tunable Bandgaps"],"prefix":"10.1002","volume":"22","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3301-309X","authenticated-orcid":false,"given":"Peter","family":"Sutter","sequence":"first","affiliation":[{"name":"Department of Electrical &amp; Computer Engineering University of Nebraska\u2010Lincoln  Lincoln NE 68588 USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alexei","family":"Barinov","sequence":"additional","affiliation":[{"name":"Elettra Sincrotrone Trieste SCpA  Basovizza Trieste 34149 Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hannu\u2010Pekka","family":"Komsa","sequence":"additional","affiliation":[{"name":"Microelectronics Research Unit University of Oulu  Oulu FI\u201090014 Finland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pramod","family":"Ghimire","sequence":"additional","affiliation":[{"name":"Department of Mechanical &amp; Materials Engineering University of Nebraska\u2010Lincoln  Lincoln NE 68588 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Materials &amp; Nanoscience University of Nebraska\u2010Lincoln  Lincoln NE 68588 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