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High-Throughput Mapping of the Superconducting Phase Diagram Combining Composition-Spread FeSe1-xTexFilm with Carrier Doping 认领 引用
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作者 Xuewei Wang Changhong Yuan +11 位作者 Tianxiang Liu Qiuyan Shi Yating Jiang Zhiyu Huang Yutong Wang Yuhan Jin Xingyu Jiang Beiyi Zhu Jie Yuan Zefeng Lin Qihong Chen Kui Jin 《Chinese Physics Letters》 SCIE EI CAS CSCD 2026年第5期174-181,共8页
A high-throughput method is developed to investigate the superconducting phase diagram of combinatorial(composition-spread)FeSe1-xTex(0≤x≤1)films under electron doping.Composition-spread FeSe1-xTexfilms ... A high-throughput method is developed to investigate the superconducting phase diagram of combinatorial(composition-spread)FeSe1-xTex(0≤x≤1)films under electron doping.Composition-spread FeSe1-xTexfilms are fabricated on single CaF2substrates using combinatorial laser molecular beam epitaxy.An integrated device structure combining ionic-liquid gating with FeSe1-xTex films enables simultaneous transport measurements over the whole composition range.Electrochemical gating significantly enhances the superconducting transition temperature(Tc)in the Se-rich region,reaching values above 40 K.With increasing Te content,both the maximum Tc and the gating efficiency gradually decrease.A comprehensive two-dimensional superconducting phase diagram is constructed as a function of Te content and doping level.These results establish an ideal approach for rapidly exploring the correlation between chemical composition,carrier doping,and superconductivity in Fe-based superconductors. 展开更多
关键词 ionic liquid gating composition spread fese x te x films electron dopingcomposition spread superconducting phase diagram high throughput mapping combinatorial laser molecular beam epitaxyan carrier doping transport measurements
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