activity
20222026
most citedInterface superconductivity in FeSe thin films on SrTiOgrown by the PLD technique

15 citations · 33 across the 8 of their papers we have counts for

collaborators

8 papers

cond-mat.supr-con2026★ 2 cited

Studies of superconductivity of Fe chalcogenides in films grown by PLD technique

Atsutaka Maeda, Tomoki Kobayashi, Fuyuki Nabeshima

Studies on Fe chalcogenide superconductor using thin films grown by the PLD technique are reviewed in terms of electronic phase diagram, properties in the normal state, properties…

cond-mat.supr-con2025

Nonlinear planar Hall effect from superconducting vortex motion

Mio Hashimoto, Takako Konoike, Tomoki Kobayashi +6

We report the nonreciprocal charge transport along the longitudinal and transverse directions in the vortex flow regime of FeSe superconducting films. Clear nonreciprocal signals u…

cond-mat.supr-con2025

Fabrication of oxide/FeSe multilayer films using the PLD technique

Tomoki Kobayashi, Hiroki Nakagawa, Ryo Ogawa +1

In this study, we demonstrate the successful fabrication of TiO2/FeSe/STO and TiO2/FeSe/LaAlO3 heterostructures using PLD. When the growth rates were sufficiently low, anatase TiO2…

cond-mat.supr-con2025★ 2 cited

Study on fluctuations of interface-enhanced superconductivity in ultrathin FeSe/SrTiO3 by the Nernst effect

Tomoki Kobayashi, Ryo Ogawa, Atsutaka Maeda

Ultrathin FeSe films on SrTiO3 substrate show interface-enhanced superconductivity. However, how the superconductivity is established including superconducting fluctuations remains…

cond-mat.supr-con2024

Study of superconductivity of very thin films investigated by microwave complex conductivity measurements

Gaku Matsumoto, Ryo Ogawa, Koji Higasa +3

Complex conductivity measurements spanning the entire temperature range, including the vicinity of , were conducted on systematically varied FeSeTe ( = 0 - 0.5)…

cond-mat.supr-con2024★ 7 cited

Picosecond Trajectory of Two-dimensional Vortex Motion in FeSeTe Visualized by Terahertz Second Harmonic Generation

Sachiko Nakamura, Haruki Matsumoto, Hiroki Ogawa +4

We have investigated the vortex dynamics in a thin film of an iron-based superconductor FeSeTe by observing second-harmonic generation (SHG) in the THz frequency ra…

cond-mat.supr-con2023★ 7 cited

Anisotropy of upper critical fields and interface superconductivity in FeSe/SrTiO3 grown by PLD

Tomoki Kobayashi, Hiroki Nakagawa, Hiroki Ogawa +2

In this study, we grow FeSe/SrTiO with thicknesses of 4-19 nm using pulsed laser deposition and investigate their magneto-transport properties. The thinnest film (4 nm) exhib…

cond-mat.supr-con2022★ 15 cited

Interface superconductivity in FeSe thin films on SrTiOgrown by the PLD technique

T. Kobayashi, H. Ogawa, F. Nabeshima +1

In this study, we fabricate 5-30-nm-thick films of FeSe/STO using pulsed laser deposition (PLD). The grown films exhibit superconductivity with an onset that is mu…