activity
20092025
most citedSuperconductivity at 17 K in (Fe2P2)(Sr4Sc2O6): a new superconducting layered pnictide oxide with a thick perovskite oxide layer

240 citations · 1.4k across the 40 of their papers we have counts for

collaborators

40 papers

cond-mat.supr-con2025★ 4 cited

The uncollapsed LaFe2As2 phase: compensated, highly doped, electron-phonon coupled, iron-based superconductor

Ilaria Pallecchi, Akira Iyo, Hiraku Ogino +2

The recently discovered LaFe2As2 superconducting compound, member of the 122 family of iron pnictide superconductors, becomes superconducting below Tc=13K, yet its nominal doping a…

cond-mat.supr-con2024★ 5 cited

Synthesis of -axis textured CaKFeAs superconducting bulk via spark plasma texturing technique

Shigeyuki Ishida, Yoshihisa Kamiya, Yoshinori Tsuchiya +7

Grain alignment is a key factor that determines the performance of a superconducting bulk. In this study, the spark plasma texturing (SPT) technique was used to fabricate a CaKFe$_…

cond-mat.supr-con2024★ 27 cited

Synthesis of CaKFeAs bulk samples with high critical current density using a spark plasma sintering technique

Shigeyuki Ishida, S. Pavan Kumar Naik, Yoshinori Tsuchiya +7

A high density CaKFeAs bulk sample was successfully synthesized using a spark plasma sintering (SPS) technique. The density of the synthesized sample was 5.02 g cm,…

cond-mat.mtrl-sci2023★ 13 cited

Na-catalyzed rapid synthesis and characterization of intercalated graphite CaC6

Akira Iyo, Hiroshi Fujihisa, Yoshito Gotoh +4

In this study, we conducted experiments on CaC6 for elucidating the Na-catalyzed formation mechanism and achieving rapid mass synthesis of graphite intercalation compounds (GICs).…

cond-mat.supr-con2023★ 9 cited

Experimental investigation of electronic interactions in collapsed and uncollapsed LaFe2As2 phases

Ilaria Pallecchi, Elena Stellino, Paolo Postorino +4

The iron-based pnictide LaFe2As2 is not superconducting as-synthesized, but it becomes such below Tc around 12 K upon annealing, as a consequence of a structural transition from a…

cond-mat.mtrl-sci2023★ 19 cited

Dramatically Accelerated Formation of Graphite Intercalation Compounds Catalyzed by Sodium

Akira Iyo, Hiraku Ogino, Shigeyuki Ishida +1

Graphite intercalation compounds (GICs) have a variety of functions due to their rich material variations, and thus,innovative methods for their synthesis are desired for practical…