{"title":"Study on the low‐temperature properties of pyrochlores Gd2Hf2O7 and Gd2Zr2O7, using crystal‐field theory","authors":"A. A. Biswas, Y. Jana","doi":"10.1063/1.3606256","DOIUrl":null,"url":null,"abstract":"The geometrically frustrated pyrochlores Gd2Hf2O7 (GdH) and Gd2Zr2O7 (GdZ) are easy planar anisotropic systems in which considerable single‐ion crystal‐field anisotropies of D3d symmetry are found in the ground multiplet 8S7/2 due to admixture of higher Russell‐Saunders terms. The 8S7/2 splits into 4 doublets with total CF splitting 9.9 K in GdH and 9.4 K in GdZ. The magnetic specific heat Cmag follows a conventional T3 behavior in GdH and an unconventional T4.6 behavior in GdZ down to 0.4 K.","PeriodicalId":16850,"journal":{"name":"Journal of Physics C: Solid State Physics","volume":"27 1","pages":"1121-1122"},"PeriodicalIF":0.0000,"publicationDate":"2011-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"4","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Physics C: Solid State Physics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1063/1.3606256","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 4
Abstract
The geometrically frustrated pyrochlores Gd2Hf2O7 (GdH) and Gd2Zr2O7 (GdZ) are easy planar anisotropic systems in which considerable single‐ion crystal‐field anisotropies of D3d symmetry are found in the ground multiplet 8S7/2 due to admixture of higher Russell‐Saunders terms. The 8S7/2 splits into 4 doublets with total CF splitting 9.9 K in GdH and 9.4 K in GdZ. The magnetic specific heat Cmag follows a conventional T3 behavior in GdH and an unconventional T4.6 behavior in GdZ down to 0.4 K.
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