Search Results - "S. Suzuki, Hiroyuki"
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Current-Induced Metallization and Valence Transition in Black SmS
Published in Journal of the Physical Society of Japan (15-01-2024)“…A strongly correlated insulator, samarium mono-sulfide (SmS), presents not only the pressure-induced insulator-to-metal transition (IMT) with the color change…”
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Giant isotropic negative thermal expansion in Y-doped samarium monosulfides by intra-atomic charge transfer
Published in Scientific reports (15-01-2019)“…Stimulated by strong demand for thermal expansion control from advanced modern industries, various giant negative thermal expansion (NTE) materials have been…”
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Near-field spectroscopic investigation of dual-band heavy fermion metamaterials
Published in Nature communications (22-12-2017)“…Broadband tunability is a central theme in contemporary nanophotonics and metamaterials research. Combining metamaterials with phase change media offers a…”
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Influence of random substitution on magnetocaloric effect in a spinel ferrite
Published in Journal of magnetism and magnetic materials (01-05-2010)“…Influence of random substitution of nonmagnetic ions on magnetocaloric effect is studied on manganese zinc ferrites from the viewpoints of Griffiths effects…”
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Discontinuous Transition from a Real Bound State to Virtual Bound State in a Mixed-Valence State of SmS
Published in Journal of the Physical Society of Japan (15-11-2011)“…Golden SmS is a paramagnetic, mixed-valence system with a pseudogap. With increasing pressure across a critical pressure $P_{\text{c}}$, the system undergoes a…”
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Magnetotransport Studies of EuFe2As2: The Influence of the Eu2+ Magnetic Moments
Published in Journal of the Physical Society of Japan (15-10-2010)“…We report resistivity $\rho$ and Hall effect measurements on EuFe 2 As 2 at ambient pressure and 28 kbar and magnetization measurements at ambient pressure. We…”
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Magnetic properties of oxides with high concentrations of rare-earth elements R6AO12 (R = rare-earth element, A = Mo or W)
Published in Journal of magnetism and magnetic materials (01-04-2021)“…We report on the magnetic properties of isostructural oxides R6AO12 (R = a rare-earth element, A = Mo or W) with high concentrations of rare-earth elements. We…”
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Pseudogap formation near at the border of an insulator-metal transition in SmS
Published in Journal of the Physical Society of Japan (01-03-2007)“…We measured the thermal expansion and heat capacity of the mixed-valence compound SmS that shows an insulator to metal phase transition under pressure. We…”
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Effect of nominal composition on transport, optical, magnetic, and thermodynamic properties of SmS single crystals
Published in Journal of the Physical Society of Japan (01-06-2007)“…We have grown single crystals of SmS and investigated effects of nominal composition on the electrical resistivity, optical reflectivity, magnetoresistance, dc…”
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Excitonic Instability in the Transition from the Black Phase to the Golden Phase of SmS under Pressure Investigated by Infrared Spectroscopy
Published in Journal of the Physical Society of Japan (01-11-2008)“…We report the pressure-dependent optical reflectivity spectra of a strongly correlated insulator, samarium monosulfide (SmS), in the far- and middle-infrared…”
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Pressure―Temperature Phase Diagram of Golden SmS
Published in Journal of the Physical Society of Japan (2009)“…We measured the thermal expansion of the valence fluctuating phase of SmS (golden SmS) to construct a pressure vs temperature phase diagram. The obtained phase…”
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Spin-Singlet Ground State in the Two-Dimensional Frustrated Triangular Lattice: YbAl3C3
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Hyperfine Splitting and Nuclear Spin Polarization in NdPd5Al2 and Nd3Pd20Ge6
Published in Journal of the Physical Society of Japan (15-05-2022)“…The hyperfine splitting of Nd nuclei in NdPd5Al2 was studied by means of high-resolution neutron spectroscopy. We observed inelastic peaks at ħω = ±3 µeV and T…”
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Elastic property of the Yb-based heavy fermion compound YbPtSb
Published in Physica status solidi. B. Basic research (01-03-2010)“…We report measurements of elastic constants detected close to a quantum critical point (QCP) of YbPtSb using one of the best‐established macroscopic probes,…”
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Spiral-spin-driven ferroelectricity in a multiferroic delafossite AgFeO2
Published in Physical review letters (31-08-2012)“…We have performed dielectric measurements and neutron diffraction experiments on the delafossite AgFeO2. A ferroelectric polarization P is approximately equal…”
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Quadrupolar kondo effect in non-kramers doublet system PrInAg2
Published in Journal of the Physical Society of Japan (2006)“…We performed ultrasonic measurement on the rare-earth intermetallic compound PrInAg2 to examine the quadrupolar Kondo effect associated with the non-Kramers Γ3…”
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Ultrasonic investigations of antiferro-quadrupole ordering in Pr1-xLaxPb3(x = 0,0.02)
Published in Journal of magnetism and magnetic materials (01-03-2007)“…We have investigated elastic properties of a single crystal PrPb3 showing antiferro-quadrupole (AFQ) ordering at using ultrasonic measurements. Since the…”
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Infrared study on the electronic structure of SmS in the black phase
Published in Physica. B, Condensed matter (01-04-2008)“…We report that the electronic structure of SmS at ambient pressure has been studied by the optical conductivity [ σ ( ω ) ] measurement and by the band…”
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Journal Article Conference Proceeding