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Control of band structure of FeSe single crystals via biaxial strain
Physical Review Materials ( IF 3.1 ) Pub Date : 2021-04-05 , DOI: 10.1103/physrevmaterials.5.044801 M. Nakajima , Y. Ohata , S. Tajima
Physical Review Materials ( IF 3.1 ) Pub Date : 2021-04-05 , DOI: 10.1103/physrevmaterials.5.044801 M. Nakajima , Y. Ohata , S. Tajima
We performed systematic transport measurements on FeSe single crystals with applying in-plane biaxial strain ranging from to 0.23%. Biaxial strain was introduced by firmly gluing samples to various substrate materials with different thermal expansion. With increasing , structural and superconducting transition temperatures monotonically increased and decreased, respectively. We analyzed magnetotransport results using a compensated three-carrier model. The evaluated densities of hole and electron carriers systematically changed with strain. This indicates that we succeeded in controlling the band structure of single-crystalline FeSe.
中文翻译:
通过双轴应变控制FeSe单晶的能带结构
我们通过施加面内双轴应变对FeSe单晶进行了系统的输运测量 从 至0.23%。通过将样品牢固地粘合到具有不同热膨胀的各种基材上,从而引入双轴应变。随着增加,结构和超导转变温度分别单调增加和减少。我们使用补偿的三载流子模型分析了磁传输的结果。空穴和电子载流子的评估密度随应变而系统地改变。这表明我们成功地控制了单晶FeSe的能带结构。
更新日期:2021-04-05
中文翻译:
通过双轴应变控制FeSe单晶的能带结构
我们通过施加面内双轴应变对FeSe单晶进行了系统的输运测量 从 至0.23%。通过将样品牢固地粘合到具有不同热膨胀的各种基材上,从而引入双轴应变。随着增加,结构和超导转变温度分别单调增加和减少。我们使用补偿的三载流子模型分析了磁传输的结果。空穴和电子载流子的评估密度随应变而系统地改变。这表明我们成功地控制了单晶FeSe的能带结构。