{"title":"锰化合物的铁磁性","authors":"R. O. Zaǐtsev","doi":"10.1142/S0217979298002787","DOIUrl":null,"url":null,"abstract":"It is shown on the basis of the notion of a strong electron-electron interaction in the unit cell that a ferromagnetic instability is possible in a system with hops between manganese cations and oxygen anions. The phase diagram for the existence of ferromagnetic ordering as a function of the degrees of underfilling np and nt of the 2p6 shell of oxygen and the 3tg6 shell of manganese, respectively, is constructed.","PeriodicalId":15816,"journal":{"name":"Journal of Experimental and Theoretical Physics Letters","volume":"18 1","pages":"275-280"},"PeriodicalIF":0.0000,"publicationDate":"1997-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Ferromagnetism of manganese compounds\",\"authors\":\"R. O. Zaǐtsev\",\"doi\":\"10.1142/S0217979298002787\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"It is shown on the basis of the notion of a strong electron-electron interaction in the unit cell that a ferromagnetic instability is possible in a system with hops between manganese cations and oxygen anions. The phase diagram for the existence of ferromagnetic ordering as a function of the degrees of underfilling np and nt of the 2p6 shell of oxygen and the 3tg6 shell of manganese, respectively, is constructed.\",\"PeriodicalId\":15816,\"journal\":{\"name\":\"Journal of Experimental and Theoretical Physics Letters\",\"volume\":\"18 1\",\"pages\":\"275-280\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1997-08-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of Experimental and Theoretical Physics Letters\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1142/S0217979298002787\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Experimental and Theoretical Physics Letters","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1142/S0217979298002787","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
It is shown on the basis of the notion of a strong electron-electron interaction in the unit cell that a ferromagnetic instability is possible in a system with hops between manganese cations and oxygen anions. The phase diagram for the existence of ferromagnetic ordering as a function of the degrees of underfilling np and nt of the 2p6 shell of oxygen and the 3tg6 shell of manganese, respectively, is constructed.
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