84 citations · 125 across the 5 of their papers we have counts for
5 papers
Quantum Interference of Impurity Bound States in BiSrCa(CuZn)O Probed by Scanning Tunneling Spectroscopy
Tadashi Machida, Takuya Kato, Hiroshi Nakamura +6
In conventional superconductors, magnetic impurities form an impurity band due to quantum interference of the impurity bound states, leading to suppression of the superconducting t…
Unidirectional Electronic Structure in the Parent State of Iron-Chalcogenide Superconductor FeTe
Tadashi Machida, Kazuho Kogure, Takuya Kato +8
We use scanning tunnelling microscopy and spectroscopy to explore the electronic structure of FeTe which is the parent compound of the iron-chalcogenide superconductors. A…
Disappearance of zinc impurity resonance in large gap region on BiSrCaCuO probed by scanning tunneling spectroscopy
Tadashi Machida, Takuya Kato, Hiroshi Nakamura +6
Using Scanning tunneling spectroscopy (STS), we report the correlation between spatial gap inhomogeneity and the zinc (Zn) impurity resonance in single crystals of Bi$_{\mathrm{2}}…
Local Measurement of Microwave Response with Local Tunneling Spectra Using Near Field Microwave Microscopy
Tadashi Machida, Marat B. Gaifullin, Shuuichi Ooi +3
We have designed and built a near-field scanning microwave microscope, which has been used to measure the local microwave response and the local density-of-states (LDOS) in the are…
Local density of states and superconducting gap in the iron chalcogenide superconductor FeSeTe observed by scanning tunneling spectroscopy
Takuya Kato, Yoshikazu Mizuguchi, Hiroshi Nakamura +3
We report on the first investigation of the quasiparticle local density of states and superconducting gap in the iron chalcogenide superconductor FeSeTe ($T_{…