Search Results - "Tabata, Yoshikazu"
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Study on the Increase of Co Concentration and the Purification of La–Co Cosubstituted M-Type Sr Ferrite by Oxygen Partial Pressure Control
Published in MATERIALS TRANSACTIONS (01-02-2023)“…The La–Co cosubstituted M-type strontium ferrite attracts attention as a base material for high-performance ferrite magnets. It is known that the uniaxial…”
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Study on Factors Hindering the Single-Phase Formation of Divalent-Ion-Stabilized W-Type Ferrites
Published in Materials transactions (01-05-2023)“…Me-substituted W-type ferrites (AMe2Fe16O27 with A = Sr, Ba, …, and Me = Co, Ni, Zn, Mg, …) can be obtained by standard solid state reaction but always contain…”
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3
Doping Dependence of the in-Plane Transition in Co3Sn2S2
Published in Journal of the Physical Society of Japan (15-09-2023)“…In Co3Sn2S2 two transitions are observed, the main one to a ferromagnetic state at TC = 174 K and the second one, involving in-plane components at TP = 127 K…”
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Phase Stability of Ce-Substituted Magnetoplumbite-Type Sr Ferrite
Published in IEEE transactions on magnetics (01-03-2020)“…We studied the phase stability of Ce-substituted magnetoplumbite-type Sr ferrite under various oxygen pressures. We have successfully obtained Ce-substituted…”
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5
Observation of Magnetic Monopoles in Spin Ice
Published in Journal of the Physical Society of Japan (2009)“…Excitations from a strongly frustrated system, the kagomé ice state of the spin ice Dy2Ti2O7 under magnetic fields along a [111] direction, have been studied…”
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Site-selective cobalt substitution in La–Co co-substituted magnetoplumbite-type ferrites: 59Co-NMR and DFT calculation study
Published in JPhys materials (01-04-2024)“…The La–Co co-substituted magnetoplumbite-type (M-type) ferrites AFe12O19 (A = Ca, Sr and Ba, ion sizes Ca2+< Sr2+< Ba2+) with Co compositions around 0.2 have…”
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Possible Itinerant-Electron Canted Antiferromagnetism in Tetragonal Antiperovskite Cr3AsN
Published in Journal of the Physical Society of Japan (15-10-2017)“…We studied the magnetic, transport, and structural properties of the tetragonally distorted antiperovskite nitride Cr3AsN. A ferromagnetic-like increase in…”
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8
Novel Magnetic Chiral Structures and Unusual Temperature Hysteresis in the Metallic Helimagnet MnP
Published in Journal of the Physical Society of Japan (15-05-2014)Get full text
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9
Structure and magnetic properties of flux grown single crystals of Co3−Fe Sn2S2 shandites
Published in Journal of solid state chemistry (01-01-2016)Get full text
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Single crystal growth and characterization of kagomé-lattice shandites Co3Sn2−In S2
Published in Journal of crystal growth (01-09-2015)Get full text
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Squeezing the periodicity of Néel-type magnetic modulations by enhanced Dzyaloshinskii-Moriya interaction of 4d electrons
Published in npj quantum materials (07-03-2022)“…In polar magnets, such as GaV 4 S 8 , GaV 4 Se 8 and VOSe 2 O 5 , modulated magnetic phases namely the cycloidal and the Néel-type skyrmion lattice states were…”
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Co site preference and site-selective substitution in La-Co co-substituted magnetoplumbite-type strontium ferrites probed by 59Co nuclear magnetic resonance
Published in JPhys materials (18-01-2019)“…In the La-Co co-substituted magnetoplumbite-type strontium (Sr-La-Co) ferrite, the base materials of the high-performance hard ferrite magnet, Co tends to…”
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13
Quasi-Two-Dimensional Magnetism in Co-Based Shandites
Published in Journal of the Physical Society of Japan (15-06-2016)Get full text
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14
Single Structure Widely Distributed in a GeTe−Sb2Te3 Pseudobinary System: A Rock Salt Structure is Retained by Intrinsically Containing an Enormous Number of Vacancies within its Crystal
Published in Inorganic chemistry (06-03-2006)“…GeTe(1−x)−Sb2Te3(x) sputtered amorphous film was crystallized into a simple NaCl-type structure through instantaneous laser irradiation over a wide composition…”
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15
Restoring higher symmetric crystal structure with magnetic field in triangular lattice antiferromagnet CuFeO2
Published in Journal of the Physical Society of Japan (01-11-2006)“…Structural deformations associated with magnetic phase transitions have been studied by synchrotron radiation X-ray diffraction in high magnetic fields up to…”
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Single-crystalline M-type Sr Hexaferrites studied by 57Fe Mössbauer spectroscopy
Published in Hyperfine interactions (2016)“…The 57 Fe Mössbauer spectra of the single crystalline and the finely ground Sr 1− x La x Fe 12− y Co y O 19 ( x = 0 : y = 0, x = 0.192 : y = 0.152 and x =…”
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17
Direct observation of chiral susceptibility in the canonical spin glass AuFe
Published in Physical review letters (10-12-2004)“…The extraordinary Hall resistivity rho(xy) and the magnetization M of a canonical spin glass AuFe (8 at.% Fe) were measured simultaneously as functions of…”
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Normal and Superconducting Properties of the Noncentrosymmetric Mo3Al2C
Published in Journal of the Physical Society of Japan (15-07-2013)“…We have investigated the noncentrosymmetric superconductor Mo 3 Al 2 C prepared by spark plasma sintering, in which the amount of impurity phase was…”
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Existence of a Phase Transition under Finite Magnetic Field in the Long-Range RKKY Ising Spin Glass DyxY1-xRu2Si2
Published in Journal of the Physical Society of Japan (15-12-2010)“…A phase transition of a model compound of the long-range Ising spin glass (SG) Dy x Y 1-x Ru 2 Si 2 , where spins interact via the…”
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Irreversible Phase Separation to Antiferromagnetic and Spin-Singlet States in the Square-Planar Metal-Cluster Compound V4S9Br4
Published in Journal of the Physical Society of Japan (15-07-2011)“…V 4 S 9 Br 4 is a unique magnetic metal-cluster compound with square-planar V 4 clusters. Systematic magnetic measurements revealed spontaneous phase…”
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