Scanning tunneling microscopy and spectroscopy study of the patchwork structure in Pt doped IrTe2

作者：Fujisawa Y^*; Machida T; Igarashi K; Kaneko A; Mochiku T; Ooi S; Tachiki M; Komori K; Hirata K; Sakata H

来源：Physica C-Superconductivity and Its Applications, 2016, 530: 35-37.

DOI：10.1016/j.physc.2016.01.007

• Ir1-xPtxTe2
• STM
• STS

We report on the scanning tunneling microscopy (STM) and spectroscopy (STS) study on a newly discovered superconductor, Ir1-xPtxTe2. We previously found that the sample which shows superconductivity forms so called "patchwork structure (PS)". To obtain the spatial evolution of electronic structure on the PS, we performed STM/STS measurements on the PS. STS measurements revealed that an averaged spectrum shows the same energy asymmetry as that in the low temperature phase in the parent material, IrTe2. Furthermore, the spectrum at the trough on the PS is more asymmetric than that at the crest. This tendency is similar to that observed on the supermodulation in the low temperature phase in IrTe2.

• 出版日期2016-11-15
• 单位RIKEN