31 citations · 70 across the 12 of their papers we have counts for
12 papers
Molecular beam epitaxy synthesis of ternary nitride PrTaN and its crystal structure determination
Kosuke Takiguchi, Yoshiharu Krockenberger, Eisuke Magome +2
We report the discovery of a novel ternary nitride PrTaN synthesized as a thin film using molecular beam epitaxy. The combination of e-beam evaporation for refractory elements…
Electronic transport properties of titanium nitride grown by molecular beam epitaxy
Kosuke Takiguchi, Yoshiharu Krockenberger, Tom Ichibha +4
This study investigates the molecular beam epitaxial (MBE) growth of titanium nitride (TiN) thin films, achieving a high residual resistivity ratio (RRR) of 15.8. We observed a str…
Single monolayer ferromagnetic perovskite SrRuO3 with high conductivity and strong ferromagnetism
Yuki K. Wakabayashi, Masaki Kobayashi, Yoshiharu Krockenberger +4
Achieving robust ferromagnetism and high conductivity in atomically thin oxide materials is critical for advancing spintronic technologies. Here, we report the growth of a highly c…
Single-layer spin-orbit-torque magnetization switching due to spin Berry curvature generated by minute spontaneous atomic displacement in a Weyl oxide
Hiroto Horiuchi, Yasufumi Araki, Yuki K. Wakabayashi +8
Spin Berry curvature characterizes the band topology as the spin counterpart of Berry curvature and is crucial in generating novel spintronics functionalities. By breaking the crys…
Role of Ion Milling Angle in Determining Conducting and Insulating States on SrTiO3 Surfaces
Yuki K. Wakabayashia, Yoshiharu Krockenberger, Kosuke Takiguchi +2
SrTiO3 (STO), a promising wide-bandgap semiconductor for high-k capacitors and photocatalysis, requires precise surface control for device fabrication. This study investigates the…
Influence of Ru composition deviation from stoichiometry on intrinsic spin-to-charge conversion in SrRuO3
Shingo Kaneta-Takada, Yuki K. Wakabayashi, Hikari Shinya +5
Interconversion between charge and spin currents is a key phenomenon in realizing next-generation spintronic devices. Highly efficient spin-charge interconversion is expected to oc…
Correlated Ligand Electrons in the Transition-Metal Oxide SrRuO
Yuichi Seki, Yuki K. Wakabayashi, Takahito Takeda +9
In transition-metal compounds, the transition-metal d electrons play an important role in their physical properties; however, the effects of the electron correlation between the li…
SrRuO3 under tensile strain: Thickness-dependent electronic and magnetic properties
Yuki K. Wakabayashi, Masaki Kobayashi, Yuichi Seki +6
The burgeoning fields of spintronics and topological electronics require materials possessing a unique combination of properties: ferromagnetism, metallicity, and chemical stabilit…
Berezinskii-Kosterlitz-Thouless transition in rhenium nitride films
Kosuke Takiguchi, Yoshiharu Krockenberger, Yoshitaka Taniyasu +1
The quest to manipulate and understand superconductivity demands exploring diverse materials and unconventional behaviors. Here, we investigate the BKT transition in synthesized Re…
Magnetic anisotropy driven by ligand in 4d transition metal oxide SrRuO3
Yuki K. Wakabayashi, Masaki Kobayashi, Yuichi Seki +7
The origin of magnetic anisotropy in magnetic compounds is a longstanding issue in solid state physics and nonmagnetic ligand ions are considered to contribute little to magnetic a…
Photoresponse of LaSrCuO nanostrip
H. Shibata, N. Kirigane, K. Fukao +3
We report the fabrication and photoresponse of 5 nm thick LaSrCuO nanostrip with a width of 100nm. The I-V characteristics of the nanostrip show a hysteresi…
New superconduting cuprates with no effective doping: T'-(La3+)2-x(RE3+)xCuO4
A. Tsukada, Y. Krockenberger, H. Yamamoto +1
We report the synthesis of new superconducting cuprates T'-La2-xRExCuO4 (RE = Sm, Eu, Tb, Lu, and Y) using molecular beam epitaxy. The new superconductors have no effective dopant,…