کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1819101 | 1525762 | 2009 | 4 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Parent phase and superconductors in the fluorine derivative family
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موضوعات مرتبط
مهندسی و علوم پایه
فیزیک و نجوم
فیزیک ماده چگال
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Parent phase and superconductors in the fluorine derivative family Parent phase and superconductors in the fluorine derivative family](/preview/png/1819101.png)
چکیده انگلیسی
The family of fluoride-arsenide AeFeAsF compounds (Ae = alkaline earth elements or other divalent elements) with the ZrCuSiAs structure was successfully fabricated and investigated. The resistivity and magnetic anomalies associated with the structural phase transition or Antiferromagnetic (AF) transition were found to occur at about 173 K for SrFeAsF, 118 K for CaFeAsF and 153 K for EuFeAsF, respectively. The Hall coefficients RH of two parent phases, SrFeAsF and CaFeAsF, were measured and found to be positive at low temperatures. By doping rare earth elements into the system, superconductivity was induced. Superconductivity at 29.5 K in Sr0.6La0.4FeAsF and beyond 50 K in Ca0.4Re0.6FeAsF (RE = rare earth elements) was successfully obtained. More superconductors are expectable in this family by doping charges into the system in multiple ways.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Physica C: Superconductivity - Volume 469, Issues 9â12, 1 Mayâ15 June 2009, Pages 381-384
Journal: Physica C: Superconductivity - Volume 469, Issues 9â12, 1 Mayâ15 June 2009, Pages 381-384
نویسندگان
Xiyu Zhu, Fei Han, Peng Cheng, Gang Mu, Bing Shen, Bin Zeng, Hai-Hu Wen,