{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,11]],"date-time":"2026-10-11T14:29:52Z","timestamp":1791728992523,"version":"4.3.4"},"reference-count":40,"publisher":"Wiley","issue":"17","license":[{"start":{"date-parts":[[2024,1,31]],"date-time":"2024-01-31T00:00:00Z","timestamp":1706659200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/100000883","name":"Brown Foundation","doi-asserted-by":"publisher","award":["1168"],"award-info":[{"award-number":["1168"]}],"id":[{"id":"10.13039\/100000883","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["chemistry-europe.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Chemistry A European J"],"published-print":{"date-parts":[[2024,3,20]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    Bonding interactions and spin\u2010orbit coupling in the topological insulator SrAg\n                    <jats:sub>4<\/jats:sub>\n                    Sb\n                    <jats:sub>2<\/jats:sub>\n                    are investigated using DFT with orbital projection analysis. Ag\u2212Ag delta bonding is a key ingredient in the topological insulating state because the\n                    <jats:inline-graphic xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xlink:href=\"graphic\/chem202303679-math-0001.png\" xlink:title=\"urn:x-wiley:09476539:media:chem202303679:chem202303679-math-0001\"\/>\n                    delta antibonding band forms a band inversion with the 5\u2005\n                    <jats:italic>s<\/jats:italic>\n                    sigma bonding band. Spin\u2010orbit coupling is required to lift\n                    <jats:italic>d<\/jats:italic>\n                    orbital degeneracies and lower the antibonding band enough to create the band inversion. These bonding effects are enabled by a longer\u2010than\u2010covalent Ag\u2212Ag distance in the crystal lattice, which might be a structural characteristic of other transition metal based topological insulators. A simplified model of the topological bands is constructed to capture the essence of the topological insulating state in a way that may be engineered in other materials.\n                  <\/jats:p>","DOI":"10.1002\/chem.202303679","type":"journal-article","created":{"date-parts":[[2023,12,16]],"date-time":"2023-12-16T08:05:55Z","timestamp":1702713955000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["<i>\u03b4<\/i>\n                    \u2010Bonding and Spin\u2010Orbit Coupling Make SrAg\n                    <sub>4<\/sub>\n                    Sb\n                    <sub>2<\/sub>\n                    a Topological Insulator"],"prefix":"10.1002","volume":"30","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9647-8807","authenticated-orcid":false,"given":"H. W. 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N.","family":"Alexandrova","sequence":"additional","affiliation":[{"name":"University of California, Los Angeles Department of Chemistry and Biochemistry  607 Charles E Young Drive East Los Angeles CA 90034 USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2024,1,31]]},"reference":[{"key":"e_1_2_8_1_1","doi-asserted-by":"publisher","DOI":"10.1021\/ja993755i"},{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1021\/ja076356t"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1126\/science.1116789"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.200603600"},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.1038\/nchem.1263"},{"key":"e_1_2_8_6_1","doi-asserted-by":"publisher","DOI":"10.1002\/chem.201600011"},{"key":"e_1_2_8_7_1","doi-asserted-by":"publisher","DOI":"10.1002\/chem.201601382"},{"key":"e_1_2_8_8_1","doi-asserted-by":"publisher","DOI":"10.1021\/acs.chemrev.0c01322"},{"key":"e_1_2_8_9_1","doi-asserted-by":"publisher","DOI":"10.1021\/acs.chemrev.0c00732"},{"key":"e_1_2_8_10_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.trechm.2021.04.011"},{"key":"e_1_2_8_11_1","doi-asserted-by":"publisher","DOI":"10.1038\/nature23268"},{"key":"e_1_2_8_12_1","doi-asserted-by":"publisher","DOI":"10.1038\/nphys1270"},{"key":"e_1_2_8_13_1","volume":"591","author":"Umamaheshwari M.","year":"2022","journal-title":"J. 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