{"title":"LiYbxY1-xF4单晶中Gd3+-Yb3+交换作用","authors":"L. Misiak","doi":"10.1117/12.435820","DOIUrl":null,"url":null,"abstract":"The evaluated Gd3+-Yb3+ exchange interactions over the nearest and the next-nearest neighbors in LiYbxY1-1F4 are found to increase in parabolic manner with x, the concentration of Yb3+ ions. The Gd3+-Yb3+ exchange interactions are sensitive to x in the range x equals 0.6-1.0, while they are almost constant in the range x- equals 0.1-0.5. The estimated Gd3+-Yb3+ exchange interaction constants are in the range 0.5-2.8 Ghz for x from 0.1 to 1, respectively. These exchange interaction constants are increased with lowering temperature. The results are comparable to those of estimated using the molecular-field model. The average Gd3+-Yb3+ pari exchange interaction constant is determined to be 0.33 Ghz in paramagnetically diluted LiYbxY1-xF4 crystals.","PeriodicalId":365405,"journal":{"name":"International Conference on Solid State Crystals","volume":"39 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2001-08-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Gd3+-Yb3+ exchange interactions in LiYbxY1-xF4 single crystals\",\"authors\":\"L. Misiak\",\"doi\":\"10.1117/12.435820\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The evaluated Gd3+-Yb3+ exchange interactions over the nearest and the next-nearest neighbors in LiYbxY1-1F4 are found to increase in parabolic manner with x, the concentration of Yb3+ ions. The Gd3+-Yb3+ exchange interactions are sensitive to x in the range x equals 0.6-1.0, while they are almost constant in the range x- equals 0.1-0.5. The estimated Gd3+-Yb3+ exchange interaction constants are in the range 0.5-2.8 Ghz for x from 0.1 to 1, respectively. These exchange interaction constants are increased with lowering temperature. The results are comparable to those of estimated using the molecular-field model. The average Gd3+-Yb3+ pari exchange interaction constant is determined to be 0.33 Ghz in paramagnetically diluted LiYbxY1-xF4 crystals.\",\"PeriodicalId\":365405,\"journal\":{\"name\":\"International Conference on Solid State Crystals\",\"volume\":\"39 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2001-08-10\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"International Conference on Solid State Crystals\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1117/12.435820\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"International Conference on Solid State Crystals","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1117/12.435820","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Gd3+-Yb3+ exchange interactions in LiYbxY1-xF4 single crystals
The evaluated Gd3+-Yb3+ exchange interactions over the nearest and the next-nearest neighbors in LiYbxY1-1F4 are found to increase in parabolic manner with x, the concentration of Yb3+ ions. The Gd3+-Yb3+ exchange interactions are sensitive to x in the range x equals 0.6-1.0, while they are almost constant in the range x- equals 0.1-0.5. The estimated Gd3+-Yb3+ exchange interaction constants are in the range 0.5-2.8 Ghz for x from 0.1 to 1, respectively. These exchange interaction constants are increased with lowering temperature. The results are comparable to those of estimated using the molecular-field model. The average Gd3+-Yb3+ pari exchange interaction constant is determined to be 0.33 Ghz in paramagnetically diluted LiYbxY1-xF4 crystals.
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