Search Results - "Okayasu, Satoru"
-
1
Crossover between Anomalous Peak Effects Induced by Splayed and Tilted Columnar Defects in Ba0.6K0.4Fe2As2
Published in Journal of the Physical Society of Japan (15-07-2024)“…We investigated the magnetic field dependence of the critical current density (Jc) in Ba0.6K0.4Fe2As2 with various configurations of columnar defects (CDs)…”
Get full text
Journal Article -
2
Modification of Cu Oxide and Cu Nitride Films by Energetic Ion Impact
Published in Quantum beam science (01-06-2024)“…We have investigated lattice disordering of cupper oxide (Cu2O) and copper nitride (Cu3N) films induced by high- and low-energy ion impact, knowing that the…”
Get full text
Journal Article -
3
The Damage Analysis for Irradiation Tolerant Spin-Driven Thermoelectric Device Based on Single-Crystalline Y₃Fe₅O₁₂/Pt Heterostructures
Published in IEEE transactions on magnetics (01-08-2022)“…Spin-driven thermoelectric (STE) generation based on the combination of the spin Seebeck effect (SSE) and inverse spin Hall effect is an alternative to…”
Get full text
Journal Article -
4
Amorphous Ferromagnetic Metal in van der Waals Materials
Published in Advanced electronic materials (01-02-2024)“…Amorphous solids are non‐equilibrium states of matter that lack long‐range structural order, and are recognized as key materials in electronics. Although 2D…”
Get full text
Journal Article -
5
Charge State Effect of High Energy Ions on Material Modification in the Electronic Stopping Region
Published in Atoms (01-09-2021)“…It has been observed that modifications of non-metallic solids such as sputtering and surface morphology are induced by electronic excitation under high-energy…”
Get full text
Journal Article -
6
Modification of SiO2, ZnO, Fe2O3 and TiN Films by Electronic Excitation under High Energy Ion Impact
Published in Quantum beam science (01-12-2021)“…It has been known that the modification of non-metallic solid materials (oxides, nitrides, etc.), e.g., the formation of tracks, sputtering representing atomic…”
Get full text
Journal Article -
7
Direct Imaging of Vortex Polygons and Vortex Shells in Mesoscopic Squares of a Weak Pinning Superconducting Thin Film
Published in Journal of the Physical Society of Japan (15-08-2014)Get full text
Journal Article -
8
Line splitting by mechanical rotation in nuclear magnetic resonance
Published in Japanese Journal of Applied Physics (01-05-2015)“…Nuclear magnetic resonance (NMR) measurements for a nuclear spin 1/2 system in an external magnetic field and mechanical rotation in kHz range are reported…”
Get full text
Journal Article -
9
Strong Correlation among Structural, Electronic, and Magnetic Properties of Sr2Fe1+xMo1-xO6 ($0 \leq x \leq 1$)
Published in Journal of the Physical Society of Japan (01-04-2011)“…We studied systematic changes of the structural, electric, and magnetic properties in Sr 2 Fe 1+x Mo 1-x O 6 with $0 \leq x \leq 1$, which bridges between a…”
Get full text
Journal Article -
10
Commensurate and Incommensurate Vortex States Confined in Mesoscopic Triangles of Weak Pinning Superconducting Thin Films
Published in Journal of the Physical Society of Japan (15-04-2015)Get full text
Journal Article -
11
Sedimentation of isotope atoms in monatomic liquid Se
Published in Applied physics letters (03-12-2007)“…A strong gravitational field resulted in the sedimentation of isotope atoms in monatomic liquid. The concentration ratio Se 82 ∕ Se 76 increased by greater…”
Get full text
Journal Article -
12
Giant tunnel magnetoresistance in codeposited fullerene-cobalt films in the low bias-voltage regime
Published in Applied physics letters (10-12-2007)“…Magnetotransport properties in the low bias-voltage regime were investigated for codeposited C 60 - Co films. A giant tunnel magnetoresistance (MR) ratio ( Δ R…”
Get full text
Journal Article -
13
Deformation twinning of Bi-Sb solid alloy formed under a strong gravitational field
Published in Philosophical magazine letters (01-07-2010)“…We performed an ultracentrifuge experiment on Bi-Sb alloy. Deformation twins with misorientations of about 90° were observed in the low-gravitational region…”
Get full text
Journal Article -
14
Superconducting MgB2 Thin Film Detector for Neutrons
Published in Journal of low temperature physics (01-05-2008)“…The superconducting neutron detector using high-quality 10 B-enriched MgB 2 thin films at higher operating temperatures has been proposed, where a resistance…”
Get full text
Journal Article -
15
Mass-dependent isotopic fractionation of a solid tin under a strong gravitational field
Published in Europhysics letters (01-03-2009)“…Pure tin metals were centrifuged at 1$\times$106g and at 220 °C for 100 hours, at 0.40$\times$106g at 220–230 °C for 24 hours, and at 0.25$\times$106g at 220…”
Get full text
Journal Article -
16
Chemistry in Mega-gravity: Preparation of Molecular-scaled Graded Materials from Radical Copolymerization
Published in Chemistry letters (05-02-2008)“…The molecular-graded structures have been realized through direct copolymerization of halogenated styrene and 2-ethylhexyl methacrylate under ultra-strong…”
Get full text
Journal Article -
17
-
18
Suppression of Superconductivity in Heavy-ion Irradiated 2 H -NbSe 2 Caused by Negative Pressure
Published in Journal of the Physical Society of Japan (15-07-2022)Get full text
Journal Article -
19
Magnetic Hysteresis Induction with Nanocolumnar Defects in Magnetic Insulators
Published in Journal of the Physical Society of Japan (15-07-2023)“…The magnetic property modification of an easy-plane magnetic insulator caused by an accumulation of nanocolumnar defects along the film normal was investigated…”
Get full text
Journal Article -
20