activity
20012015
most citedExploration of new superconductors and functional materials and fabrication of superconducting tapes and wires of iron pnictides

318 citations · 1.1k across the 7 of their papers we have counts for

collaborators

7 papers

cond-mat.supr-con2015★ 318 cited

Exploration of new superconductors and functional materials and fabrication of superconducting tapes and wires of iron pnictides

Hideo Hosono, Keiichi Tanabe, Eiji Takayama-Muromachi +6

This paper reviews the highlights of a 4-years-long research project supported by the Japanese Government to explore new superconducting materials and relevant functional materials…

cond-mat.supr-con2011★ 116 cited

Biaxially textured cobalt-doped BaFe2As2 films with high critical current density over 1 MA/cm2 on MgO-buffered metal-tape flexible substrates

Takayoshi Katase, Hidenori Hiramatsu, Vladimir Matias +5

High critical current densities (Jc) > 1 MA/cm2 were realized in cobalt-doped BaFe2As2 (BaFe2As2:Co) films on flexible metal substrates with biaxially-textured MgO base-layers fabr…

cond-mat.supr-con2010★ 285 cited

Advantageous grain boundaries in iron pnictide superconductors

Takayoshi Katase, Yoshihiro Ishimaru, Akira Tsukamoto +4

High critical temperature superconductors have zero power consumption and could be used to produce ideal electric power lines. The principal obstacle in fabricating superconducting…

cond-mat.supr-con2010★ 51 cited

DC superconducting quantum interference devices fabricated using bicrystal grain boundary junctions in Co-doped BaFe2As2 epitaxial films

Takayoshi Katase, Yoshihiro Ishimaru, Akira Tsukamoto +4

DC superconducting quantum interference devices (dc-SQUIDs) were fabricated in Co-doped BaFe2As2 epitaxial films on (La, Sr)(Al, Ta)O3 bicrystal substrates with 30deg misorientatio…

cond-mat.supr-con2010★ 72 cited

Josephson junction in cobalt-doped BaFe2As2 epitaxial thin films on (La, Sr)(Al, Ta)O3 bicrystal substrates

Takayoshi Katase, Yoshihiro Ishimaru, Akira Tsukamoto +4

Josephson junctions were fabricated in epitaxial films of cobalt-doped BaFe2As2 on [001]-tilt (La,Sr)(Al,Ta)O3 bicrystal substrates. 10m-wide microbridges spanning a 30-degrees-til…

cond-mat.supr-con2008★ 42 cited

Comparative study of macroscopic quantum tunneling in Bi_2Sr_2CaCu_2O_y intrinsic Josephson junctions with different device structures

K. Ota, K. Hamada, R. Takemura +6

We investigated macroscopic quantum tunneling (MQT) of BiSrCaCuO intrinsic Josephson junctions (IJJs) with two device structures. One is a nanometer-thick small mes…