activity
20082022
most citedRecent advances in iron-based superconductors toward applications

424 citations · 2.6k across the 33 of their papers we have counts for

collaborators

33 papers

cond-mat.supr-con2022★ 12 cited

K-doped Ba122 epitaxial thin film on MgO substrate by buffer engineering

Dongyi Qin, Kazumasa Iida, Zimeng Guo +5

Molecular beam epitaxy of K-doped Ba122 (BaKFeAs) superconductor was realized on a MgO substrate. Microstructural observation revealed that the un…

cond-mat.supr-con2021★ 25 cited

Approaching the ultimate superconducting properties of (Ba,K)Fe2As2 by naturally formed low-angle grain boundary networks

Kazumasa Iida, Dongyi Qin, Chiara Tarantini +8

The most effective way to enhance the dissipation-free supercurrent in presence of magnetic field for type II superconductors is the introduction of defects that acts as artificial…

cond-mat.supr-con2021★ 12 cited

Thermal response of the iron-based Ba122 superconductor to in situ and ex situ processes

Shinnosuke Tokuta, Akiyasu Yamamoto

The thermal properties are one of the key parameters to control phase purity and microstructure of polycrystalline materials. The melting point of the iron-based BaFe2As2 supercond…

cond-mat.supr-con2021★ 12 cited

Realization of epitaxial thin films of the superconductor K-doped BaFeAs

Dongyi Qin, Kazumasa Iida, Takafumi Hatano +6

The iron-based superconductor BaKFeAs is emerging as a key material for high magnetic field applications owing to the recent developments in super…

cond-mat.supr-con2020★ 48 cited

Grain boundary characteristics of Fe-based superconductors

Kazumasa Iida, Jens Hänisch, Akiyasu Yamamoto

Understanding the nature of grain boundary (GB) characteristics in combination with creating low-energy GBs by modifying the processing conditions, so-called GB engineering, is of…

cond-mat.supr-con2019★ 26 cited

Enhanced upper critical field in Co-doped Ba122 superconductors by lattice defect tuning

Shinnosuke Tokuta, Akiyasu Yamamoto

Nanoscale defects in superconductors play a dominant role in enhancing superconducting properties through electron scattering, modulation of coherence length, and correlation with…