Studies of hyperfine interactions inRBa2(Cu1-x 57Fex)3O7-δ high-T c superconductors期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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Studies of hyperfine interactions inRBa2(Cu1-x 57Fex)3O7-δ high-T c superconductors

Authors:	I Tittonen J Hietaniemi J Huttunen E Ikonen M Karppinen T Katila J Lindén L Niinistö

Institution:	(1) Department of Technical Physics, Helsinki University of Technology, SF-02150 Espoo, Finland;(2) Laboratory of Inorganic and Analytical Chemistry, Helsinki University of Technology, SF-02150 Espoo, Finland;(3) Metrology Research Institute, Helsinki University of Technology, SF-02150 Espoo, Finland

Abstract:	Both⁵⁷Fe and¹⁵¹Eu Mössbauer resonances were used to study polycrystallineRBa₂Cu₃O_7-δ samples. The dependence of hyperfine interaction parameters on the oxygen deficiency δ is studied in detail with¹⁵¹Eu. For⁵⁷Fe spectra, a site assignment is proposed.

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