{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Rooney AP"],"funding":["Engineering and Physical Sciences Research Council (EPSRC)","European Research Council","Engineering and Physical Sciences Research Council"],"pagination":["3597"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC6125487"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["9(1)"],"pubmed_abstract":["Twin boundary defects form in virtually all crystalline materials as part of their response to applied deformation or thermal stress. For nearly six decades, graphite has been used as a textbook example of twinning with illustrations showing atomically sharp interfaces between parent and twin. Using state-of-the-art high-resolution annular dark-field scanning transmission electron microscopy, we have captured atomic resolution images of graphitic twin boundaries and find that these interfaces are far more complex than previously supposed. Density functional theory calculations confirm that the presence of van der Waals bonding eliminates the requirement for an atomically sharp interface, resulting in long-range bending across multiple unit cells. We show these remarkable structures are com"],"journal":["Nature communications"],"pubmed_title":["Anomalous twin boundaries in two dimensional materials."],"pmcid":["PMC6125487"],"funding_grant_id":["EP/K005014/1","ERC-2016-STG-EvoluTEM-715502","715502","ERC Synergy HETERO2D","Grants EP/K016946/1, EP/P009050/1 and EP/M010619/1","EP/R00661X/1","EP/P025021/1"],"pubmed_authors":["Ding F","Young RJ","Rooney AP","Li Z","Auton G","Gholinia A","Zhao W","Gorbachev RV","Kozikov A","Haigh SJ"],"additional_accession":[]},"is_claimable":false,"name":"Anomalous twin boundaries in two dimensional materials.","description":"Twin boundary defects form in virtually all crystalline materials as part of their response to applied deformation or thermal stress. For nearly six decades, graphite has been used as a textbook example of twinning with illustrations showing atomically sharp interfaces between parent and twin. Using state-of-the-art high-resolution annular dark-field scanning transmission electron microscopy, we have captured atomic resolution images of graphitic twin boundaries and find that these interfaces are far more complex than previously supposed. Density functional theory calculations confirm that the presence of van der Waals bonding eliminates the requirement for an atomically sharp interface, resulting in long-range bending across multiple unit cells. We show these remarkable structures are com","dates":{"release":"2018-01-01T00:00:00Z","publication":"2018 Sep","modification":"2025-04-21T17:32:26.265Z","creation":"2019-03-26T23:55:00Z"},"accession":"S-EPMC6125487","cross_references":{"pubmed":["30185818"],"doi":["10.1038/s41467-018-06074-8"]}}