Superconductivities and structural properties of ternary Ti-Zr-Ta alloys

Snperconductivities and structural properties of Ti-Zr-Ta ternary alloys are extensively investigated. The TiZrTa sample has a cubic structure （β-phase） and shows a sharp superconducting transition at a critical temperature （To） of about 7.3 K. In addition, two series of Ti-Zr-Ta alloys, with nomina...

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Published inChinese physics B Vol. 20; no. 11; pp. 473 - 478
Main Author 王秩伟 贾丽 杨槐馨 田焕芳 施洪龙 王臻 李建奇
Format Journal Article
LanguageEnglish
Published IOP Publishing 01.11.2011
Subjects
Alloys
Annealing
Crystal structure
Superconductivity
Ternary alloys
Titanium base alloys
Transition temperature
Transition temperature (superconductivity)
三元合金
临界温度
立方结构
结构特性
退火处理
钛
钽合金
锆
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ISSN1674-1056
2058-3834
DOI10.1088/1674-1056/20/11/117402

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Summary:Snperconductivities and structural properties of Ti-Zr-Ta ternary alloys are extensively investigated. The TiZrTa sample has a cubic structure （β-phase） and shows a sharp superconducting transition at a critical temperature （To） of about 7.3 K. In addition, two series of Ti-Zr-Ta alloys, with nominal compositions of Ti65-xZr35Tax and TixZr65-xTa35 respectively,are prepared, and their superconductivities and crystal structures change regularly with the chemical composition. Our experimental study also indicates that the annealing processing of this kind of material can cause the transition temperature to increase and the highest Tc is observed to be about 8.3 K in annealed samples.
Bibliography:Ti-Zr-Ta alloys; superconductivity; crystal structure; X-ray diffraction
Snperconductivities and structural properties of Ti-Zr-Ta ternary alloys are extensively investigated. The TiZrTa sample has a cubic structure （β-phase） and shows a sharp superconducting transition at a critical temperature （To） of about 7.3 K. In addition, two series of Ti-Zr-Ta alloys, with nominal compositions of Ti65-xZr35Tax and TixZr65-xTa35 respectively,are prepared, and their superconductivities and crystal structures change regularly with the chemical composition. Our experimental study also indicates that the annealing processing of this kind of material can cause the transition temperature to increase and the highest Tc is observed to be about 8.3 K in annealed samples.
11-5639/O4
Wang Zhi-Wei,Jia Li,Yang Huai-Xin,Tian Huan-Fang,Shi Hong-Long,Wang Zhen,Li Jian-Q（Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China）
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ISSN:1674-1056
2058-3834
DOI:10.1088/1674-1056/20/11/117402