{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,4]],"date-time":"2026-02-04T20:57:02Z","timestamp":1770238622524,"version":"3.49.0"},"reference-count":57,"publisher":"AIP Publishing","issue":"24","funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["12274466"],"award-info":[{"award-number":["12274466"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["11874428"],"award-info":[{"award-number":["11874428"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100019092","name":"Natural Science Foundation for Distinguished Young Scholars of Hunan Province","doi-asserted-by":"publisher","award":["2023JJ10058"],"award-info":[{"award-number":["2023JJ10058"]}],"id":[{"id":"10.13039\/501100019092","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["pubs.aip.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2023,6,28]]},"abstract":"<jats:p>Chirality-induced spin selectivity has been attracting extensive interest in recent years and is demonstrated in a variety of chiral molecules, all of which arise from inherent molecular chirality. Here, we first propose a theoretical model to study the spin-dependent electron transport along guanine-quadruplex (G4) DNA molecules, connected to two nonmagnetic electrodes, by considering the molecule\u2013electrode contact and weak spin\u2013orbit coupling. Our results indicate that the G4-DNA molecular junctions exhibit pronounced spin-selectivity effect, and the asymmetric contact-induced external chirality, instead of the inherent molecular chirality, dominates their spin filtration efficiency. Furthermore, the spin-selectivity effect is robust against the disorder and hold in a wide range of model parameters. These results could be checked by charge transport measurements and provide an alternative way to improve the spin-selectivity effect of chiral nanodevices.<\/jats:p>","DOI":"10.1063\/5.0156389","type":"journal-article","created":{"date-parts":[[2023,6,28]],"date-time":"2023-06-28T10:13:25Z","timestamp":1687947205000},"update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":7,"title":["Spin-selectivity effect of G-quadruplex DNA molecules"],"prefix":"10.1063","volume":"158","author":[{"ORCID":"https:\/\/orcid.org\/0009-0007-7611-0416","authenticated-orcid":false,"given":"Lei","family":"Deng","sequence":"first","affiliation":[{"name":"Hunan Key Laboratory for Super-microstructure and Ultrafast Process, School of Physics and Electronics, Central South University , Changsha 410083, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0009-0003-2758-4245","authenticated-orcid":false,"given":"Irfan Hussain","family":"Bhat","sequence":"additional","affiliation":[{"name":"Hunan Key Laboratory for Super-microstructure and Ultrafast Process, School of Physics and Electronics, Central South University , Changsha 410083, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2662-8990","authenticated-orcid":false,"given":"Ai-Min","family":"Guo","sequence":"additional","affiliation":[{"name":"Hunan Key Laboratory for Super-microstructure and Ultrafast Process, School of Physics and Electronics, Central South University , Changsha 410083, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"317","published-online":{"date-parts":[[2023,6,28]]},"reference":[{"key":"2023070304430832000_c1","doi-asserted-by":"publisher","first-page":"263","DOI":"10.1146\/annurev-physchem-040214-121554","article-title":"Spintronics and chirality: Spin selectivity in electron transport through chiral molecules","volume":"66","year":"2015","journal-title":"Annu. 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