{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Cheng R"],"funding":["National Natural Science Foundation of China","National Natural Science Foundation of China (National Science Foundation of China)"],"pagination":["5241"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC9448765"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["13(1)"],"pubmed_abstract":["The discovery of magnetism in ultrathin crystals opens up opportunities to explore new physics and to develop next-generation spintronic devices. Nevertheless, two-dimensional magnetic semiconductors with Curie temperatures higher than room temperature have rarely been reported. Ferrites with strongly correlated d-orbital electrons may be alternative candidates offering two-dimensional high-temperature magnetic ordering. This prospect is, however, hindered by their inherent three-dimensional bonded nature. Here, we develop a confined-van der Waals epitaxial approach to synthesizing air-stable semiconducting cobalt ferrite nanosheets with thickness down to one unit cell using a facile chemical vapor deposition process. The hard magnetic behavior and magnetic domain evolution are demonstrated by means of vibrating sample magnetometry, magnetic force microscopy and magneto-optical Kerr effect measurements, which shows high Curie temperature above 390 K and strong dimensionality effect. The addition of room-temperature magnetic semiconductors to two-dimensional material family provides possibilities for numerous novel applications in computing, sensing and information storage."],"journal":["Nature communications"],"pubmed_title":["Ultrathin ferrite nanosheets for room-temperature two-dimensional magnetic semiconductors."],"pmcid":["PMC9448765"],"funding_grant_id":["91964203"],"pubmed_authors":["Wen Y","Yuan S","Jiang J","Zhai B","Guo Y","He J","Liao W","Wang H","Xiong W","Zhang Z","Cheng R","Liu C","Yin L"],"additional_accession":[]},"is_claimable":false,"name":"Ultrathin ferrite nanosheets for room-temperature two-dimensional magnetic semiconductors.","description":"The discovery of magnetism in ultrathin crystals opens up opportunities to explore new physics and to develop next-generation spintronic devices. Nevertheless, two-dimensional magnetic semiconductors with Curie temperatures higher than room temperature have rarely been reported. Ferrites with strongly correlated d-orbital electrons may be alternative candidates offering two-dimensional high-temperature magnetic ordering. This prospect is, however, hindered by their inherent three-dimensional bonded nature. Here, we develop a confined-van der Waals epitaxial approach to synthesizing air-stable semiconducting cobalt ferrite nanosheets with thickness down to one unit cell using a facile chemical vapor deposition process. The hard magnetic behavior and magnetic domain evolution are demonstrated by means of vibrating sample magnetometry, magnetic force microscopy and magneto-optical Kerr effect measurements, which shows high Curie temperature above 390 K and strong dimensionality effect. The addition of room-temperature magnetic semiconductors to two-dimensional material family provides possibilities for numerous novel applications in computing, sensing and information storage.","dates":{"release":"2022-01-01T00:00:00Z","publication":"2022 Sep","modification":"2026-06-03T10:41:10.876Z","creation":"2025-04-20T00:41:43.274Z"},"accession":"S-EPMC9448765","cross_references":{"pubmed":["36068242"],"doi":["10.1038/s41467-022-33017-1"]}}