Faculty Database - YASUI Yukio

Books and Papers

Conference Presentations

Academic Qualifications

Career History

Major Subjects

Academic Associations Membership

researchmap Researcher Code

Web Sites

Email Addresses

Award History

Current Specialized Field

KAKENHI Researcher Number

（Last updated : 2024-09-22 21:15:00）

YASUI Yukio
Department Undergraduate School , School of Science and Technology

Position Professor

■ Books and Papers

1.	2024/02	Article	Impurity effect on magnetic and thermal properties of S=3/2 spin gap system Ba3Ca(Ru1-xNbx)2O9 AIP Advances 14,pp.025211-1-025211-5 (Collaboration)
2.	2024/02	Article	Quantum critical behavior of the hyperkagome magnet Mn3CoSi Phys. Rev. Research 6,pp.013144-1-013144-9 (Collaboration)
3.	2024/01	Article	Doping effect on magnetic properties of high-temperature multiferroic compound YBaCuFeO5 AIP Advances 14,pp.015328-1-015328-5 (Collaboration)
4.	2023/06	Article	Monoaxial Dzyaloshinskii -Moriya interaction–induced topological Hall effect in a new chiral-lattice magnet GdPt2B Phys. Rev. B 107,pp.214420-1-214420-6 (Collaboration)
5.	2022/12	Article	Field evolution of magnetic phases and spin dynamics in the honeycomb lattice magnet Na2Co2TeO6: 23Na NMR study Phys. Rev. B 106,pp.224416-1-224416-17 (Collaboration)
6.	2021/09	Article	Giant Peltier conductivity in an uncompensated semimetal Ta2PdSe6 Journal of Physics: Energy 3,pp.044004 (Collaboration)
7.	2020/08	Article	Ultralow-energy magnon anomaly in yttrium iron garnet Physical Review Research 2,pp.033235 (Collaboration)
8.	2020/07	Article	High-temperature Short-range order in Mn₃RhSi Communications Materials 1,pp.43 (Collaboration)
9.	2020/04	Article	Emergent spin-1 Haldane gap and ferroelectricity in a frustrated spin-1/2 ladder Phys. Rev. B. 101,pp.140408 (Collaboration)
10.	2019/06	Article	Magnetoelectric coupling without long-range magnetic order in the spin-1/2 multiferroic Rb2Cu2Mo3O12 Phys. Rev. B. 99,pp.214443 (Collaboration)
11.	2018/07	Article	Enhanced thermopower via spin-state modification Phys. Rev. B 98,pp.024405 (Collaboration)
12.	2017/10	Article	Magneto-thermopower in a weak-ferromagnetic oxide CaRu0.8Sc0.2O3: An experimental test for the Kelvin formula in a magnetic material: J. Phys. Soc. Jpn. 86(10),pp.104707-(1-4) (Collaboration)
13.	2017/09	Article	Anomalous Thermoelectric Response in an Orbital-Ordered Oxide Near and Far from Equilibrium J. Phys. Soc. Jpn. 86(9),pp.093707-(1-4). (Collaboration)
14.	2017/09	Article	Spin state of Co3+ in LaCo1-xRhxO3 studied using X-ray absorption spectroscopy J. Phys. Soc. Jpn. 86(9),pp.094701-(1-7) (Collaboration)
15.	2017/08	Article	Magnetoelectric coupling in the pyrochlore ruthenate Gd2Ru2O7 J. Phys. Soc. Jpn. 86,pp.084708-(1-4) (Collaboration)
16.	2017/05	Article	Optical evidence for the spin-state disorder in LaCo1-xRhxO3 J. Phys.: Condens. Matter 29,pp.235802-(1-7) (Collaboration)
17.	2017/03	Article	Atomic structure study of the pyrochlore Yb2Ti2O7 and its relationship with low-temperature magnetic order Phys. Rev. B 95,pp.094431-(1-9) (Collaboration)
18.	2016/07	Article	Comparison with Ground States of Frustrated Quantum Spin Chain Systems A2Cu2Mo3O12 (A=Rb and Cs) IEEE Transactions on Magnetics 52(7),pp.1100503-(1-3) (Collaboration)
19.	2016/03	Article	Ferromagnetic ordered phase of quantum spin ice system Yb₂Ti₂O₇ under [001] magnetic field AIP Advances 6,pp.055707 (Collaboration)
20.	2016/03	Article	Novel Charge Ordering in the Trimer Iridium Oxide BaIrO₃ Crystals 6,pp.27 (Collaboration)
21.	2016/02	Article	Possible observation of highly itinerant quantum magnetic monopoles in the frustrated pyrochlore Yb₂Ti₂O₇ Nature communication 7,pp.10807 (Collaboration)
22.	2015/09	Article	Neutron Diffraction Study of 1D Quantum Spin System Li₂ZrCuO₄ with Incommensurate Magnetic Structure 8,pp.034012 (Collaboration)
23.	2015/08	Article	Effects of the Ir impurity on the thermodynamic and transport properties of Ba₄Ru_3-xIr_xO₁₀ J. Phys. Soc. Jpn. 84,pp.094601 (Collaboration)
24.	2015/07	Article	An origin of good electrical conduction in La₄BaCu₅O_13+δ J. Apl. Phys. 118,pp.035104 (Collaboration)
25.	2015/07	Article	First-order ferromagnetic transition of quantum spin ice system Yb₂Ti₂O₇ SPIN 5(2),pp.1540002 (Collaboration)
26.	2015/06	Article	Ruthenium oxide as a thermoelectric material: Unconventional thermoelectric properties in Li₂RuO₃ Journal of Materials Chemistry C 3,pp.10430-10435 (Collaboration)
27.	2015/04	Article	Anomalous magnetic order in the magnetoelectric oxide NdCrTiO₅ revealed by impurity effects Phys. Rev. B 91,pp.144403-1-144403-6 (Collaboration)
28.	2014/10	Article	Unconventional magnetism in the layered oxide LaSrRhO₄ Phys. Rev. B 90,pp.144402-(1-7) (Collaboration)
29.	2014/07	Article	Disorder effect for an orbital order in Ca₂RuO₄ revealed by infrared imaging spectroscopy J. Phys. Soc. Jpn. 83,pp.084701-(1-5) (Collaboration)
30.	2014/06	Article	First-order magnetic transition in Yb₂Ti₂O₇ Phys. Rev. B 89,pp.224419-(1-7) (Collaboration)
31.	2014/06	Article	Weak Ferromagnetic Ordering Disordered by Rh³+ Ions for LaCo_0.8Rh_0.2O₃ JPS Conf. Proc. 3,pp.014034-(1-6) (Collaboration)
32.	2014/06	Article	Optical Study of a Novel Phase Transition from Dimer-Mott to Charge-Order Insulator JPS Conf. Proc. 3,pp.013010-(1-6) (Collaboration)
33.	2014/06	Article	First-order magnetic transition in Yb₂Ti₂O₇ Phys. Rev. B 89,pp.224419-1-224419-7 (Collaboration)
34.	2014/06	Article	Magnetic Properties of the Quasi-1D Frustrated Magnet Li₂ZrCuO₄ JPS Conf. Proc. 3,pp.014028-(1-6) (Collaboration)
35.	2014/06	Article	Low temperature Magnetic Properties of Frustrated Quantum Spin Chain System Rb₂Cu₂Mo₃O₁₂ JPS Conf. Proc. 3,pp.014014-(1-6) (Collaboration)
36.	2014/05	Article	Static magnetic moments revealed by muon spin relaxation and thermodynamic measurements in quantum spin ice Yb₂Ti₂O₇ Phys. Rev. B 80,pp.184416 (1-5) (Collaboration)
37.	2014/05	Article	Possible existence of two charge-ordered phases in Pr_1-xCa_xMnO₃ for 0.40 ≤ x ≤ 0.50 J. Phys. Soc. Jpn. 83,pp.064709-(1-6) (Collaboration)
38.	2014/02	Article	Magnetic and Dielectric Properties of One-Dimensional Array of S=1/2 Linear Trimer System Na₂Cu₃Ge₄O₁₂ J. Appl. Phys. 115,pp.17E125 (Collaboration)
39.	2013/11	Article	Novel Transition from Dimer Mott to Charge Order Phase in a Two-Dimensional Quarter-Filled Organic System Phys. Rev. Lett. 111,pp.217801 (1-5) (Collaboration)
40.	2013/10	Article	Spin state of Co³⁺ in LaCo_1-xRh_xO₃ investigated by structural phenomena J. Phys. Soc. Jpn. 82,pp.114606 (1-6) (Collaboration)
41.	2013/10	Article	Current-Induced Gap Suppression in the Mott Insulator Ca₂RuO₄ J. Phys. Soc. Jpn. 82(10),pp.103702 (1-5) (Collaboration)
42.	2013/10	Article	An origin of the energy gap in the narrow-gap semiconductor FeSb₂ revealed by high-pressure magnetotransport measurements Phys. Rev. B 88,pp.165205 (1-5) (Collaboration)
43.	2013/03	Article	Magnetic Field Induced Ferroelectric Transition of Quasi One-Dimensional Frustrated Quantum Spin Chain System Rb₂Cu₂Mo₃O₁₂ J. Appl. Phys. 113,pp.17D910 (1-3) (Collaboration)
44.	2013/02	Article	Dielectric Anomaly in the Quasi-One-Dimensional Frustrated Spin-1/2 System Rb₂(Cu_1-xM_x)₂Mo₃O₁₂ (M=Ni and Zn) Phys. Rev. B 87,pp.054411 (1-5) (Collaboration)
45.	2013	Article	On the superconducting Symmetry of Fe-based Systems -Impurity Effects Studies and Neutron Scattering measurements- J. Korean Phys. Soc. 62,pp.1726-1733 (Collaboration)
46.	2012/11	Article	Phonon-Seebeck Effect in ZnO J. Phys. Soc. Jpn. 81(11),pp.114722 (1-5) (Collaboration)
47.	2012/10	Article	High-temperature thermoelectric properties of the double-perovskite ruthenium oxide (Sr_1-xLa_x)₂ErRuO₆ J. Appl. Phys. 112,pp.073714 (1-5) (Collaboration)
48.	2012/08	Article	Higgs transition from a magnetic Coulomb liquid to a ferromagnet in Yb₂Ti₂O₇ Nature Communications 3,pp.992 (1-7) (Collaboration)
49.	2012/07	Article	Ga³⁺-substitution effects in the weak ferromagnetic oxide LaCo_0.8Rh_0.2O₃ Phys. Rev. B 86,pp.014421 (1-5) (Collaboration)
50.	2012	Article	Study of Magnetic Excitation Spectra of Several Fe-Pnictide Systems J. Phys.: Conf. Ser. 400,pp.022105 (1-4) (Collaboration)
51.	2011/12	Article	On the Magnetic Excitation Spectra of Ba(Fe_0.9Co_0.1)₂As₂ in the Superconducting State J. Phys. Soc. Jpn 80,pp.SB002 (1-4) (Collaboration)
52.	2011/10	Article	Weak Ferromagnetism in LaCo_1-xRh_xO₃: Anomalous Magnetism Emerging between two nonmagnetic end phases J. Phys. Soc. Jpn 80(10),pp.104705(1-5) (Collaboration)
53.	2011/09	Article	Relationship between ferroelectricity and magnetic structure of PbCuSO₄(OH)₂ with CuO₂ ribbon chains J. Phys.: Conf.Ser 320,pp.012087(1-6) (Collaboration)
54.	2011/09	Article	Magnetic Excitation Spectra of Superconducting Ca-Fe-Pt-As system J. Phys. Soc. Jpn 80(9),pp.093709 (1-4) (Collaboration)
55.	2011/08	Article	Optical Study of the Electronic and Correlation Effects in K_0.49RhO₂ Phys. Rev. B 84,pp.075110 (1-4) (Collaboration)
56.	2011/07	Article	Neutron Scattering Study of Magnetic Excitation Spectra of Ba(Fe_0.9Co_0.1)₂As₂ J. Phys. Soc. Jpn 80(7),pp.073703(1-4) (Collaboration)
57.	2011/05	Article	Low-temperature magnetotransport of the narrow-gap semiconductor FeSb₂ Phys. Rev. B 84(5),pp.205215 (1-5) (Collaboration)
58.	2011/05	Article	Effects of ppm-level imperfection on the transport properties of FeSb₂ single crystals J. Phys. Soc. Jpn 80(5),pp.054708(1-4) (Collaboration)
59.	2011/03	Article	Multiferroic behavior in the quasi one-dimensional frustrated spin-1/2 system PbCuSO₄(OH)₂ with CuO₂ ribbon chains J. Phys. Soc. Jpn 80(3),pp.033707(1-4) (Collaboration)
60.	2010/07	Article	High Temperature Multiferroic State in RBaCuFeO₅ (R=Y, Lu and Tm) J. Phys. Soc. Jpn 79(7),pp.073705-(1-4) (Collaboration)
61.	2009/11	Article	Magnetic Excitations of Superconducting LaFeAsO_0.89F_0.11 Physica C 470,pp.S470-S471 (Collaboration)
62.	2009/08	Article	Studies of Multiferroic System of LiCu₂O₂: II. Magnetic Structures of Two Ordered Phases with Incommensurate Modulations J. Phys. Soc. Jpn 78(8),pp.084721-(1-5) (Collaboration)
63.	2009/08	Article	Studies of Multiferroic System LiCu₂O₂: I. Sample Characterization and Relationship between Magnetic Properties and Multiferroic Nature J. Phys. Soc. Jpn 78(8),pp.084720-(1-5) (Collaboration)
64.	2009/03	Article	Superconducting transition temperature and the thickness of CoO₂ planes of Na_xCoO₂.yH₂O Solid State Science 12,pp.670-675 (Collaboration)
65.	2009/03	Article	Relationship between Magnetic Structure and Ferroelectricity of Systems with CuO₂ ribbon chains Solid State Science 12,pp.670-675 (Collaboration)
66.	2008/10	Article	Magnetic Excitations of Spin-Gap System Na₃Cu₂SbO₆ with Distorted Honeycomb Structure J. Phys. Soc. Jpn 77(10),pp.104709-(1-4) (Collaboration)
67.	2008/08	Article	Crystal Structure and Magnetic Properties of CoZn(TeO₃)Br₂ J. Phys. Soc. Jpn 77(8),pp.084707-(1-5) (Collaboration)
68.	2008/07	Article	Magnetic Excitations of Na_xCoO₂.yD₂O -Neutron Scattering- J. Phys. Soc. Jpn. 77(7),pp.073709-(1-4) (Collaboration)
69.	2008/02	Article	Relationship between Magnetic Structure and Ferroelectricity of LiVCuO₄ J. Phys. Soc. Jpn 77(2),pp.023712-(1-4) (Collaboration)
70.	2007/08	Article	Successive Phase Transitions of LuBaCo₄O₇ with Kagome and Triangular Lattices J. Phys. Soc. Jpn 76(8),pp.084701-(1-6) (Collaboration)
71.	2007/08	Article	Magnetic Structure of Co₂TeO₃Cl₂ J. Phys. Soc. Jpn 76(8),pp.084713-(1-5) (Collaboration)
72.	2007/08	Article	Magnetic Behavior of Spin-1/2 Frustrated System Hg₂Cu₂F₆S J. Phys. Soc. Jpn 76(8),pp.084705-(1-5) (Collaboration)
73.	2007/03	Article	Successive Magnetic Transition of the Kagomé Staircase Compound Co₃V₂O₈ Studied in Various Magnetic Fields J. Phys. Soc. Jpn 76(3),pp.034706-(1-8) (Collaboration)
74.	2007/03	Article	Studies on the Anomalous Hall Effect of Nd₂Mo₂O₇ -Test of the Chirality Mechanism- J. Mag. Mag. Mat 310(2),pp.e544-e546 (Collaboration)
75.	2007/03	Article	Studies of Magnetic Behavior of Spin-1/2 Frustrated System Hg₂Cu₂F₆S J. Mag. Mag. Mat 310(2),pp.1295-1296 (Collaboration)
76.	2007/03	Article	Observation of the In-Plane Ordering of D₂O Molecules on Na_xCoO₂.yD₂O by Neutron Diffraction J. Mag. Mag. Mat 310(2),pp.654-656 (Collaboration)
77.	2007/03	Article	New Type Phase Transition of Li₂RuO₃ with Honeycomb Structure J. Phys. Soc. Jpn 76(3),pp.033705-(1-4) (Collaboration)
78.	2007/03	Article	Magnetic Measurements and Neutron Studies on YBaCo₄O₇ and LuBaCo₄O₇ J. Mag. Mag. Mat 310(2),pp.e441-e442 (Collaboration)
79.	2007/03	Article	Magnetic and Thermal Properties of Co₃V₂O₈ and Ni₃V₂O₈ J. Mag. Mag. Mat 310(2),pp.1160-1161 (Collaboration)
80.	2007/02	Article	Ferroelectric Trasition Induced by the Incommensurate Magnetic Ordering in LiCuVO₄ J. Phys. Soc. Jpn 76(2),pp.023708-(1-3) (Collaboration)
81.	2006/10	Article	Existence of the Co3+ Low Spin State in TbBaCo₂O_5.5 J. Phys. Soc. Jpn 75(10),pp.104708-(1-7) (Collaboration)
82.	2006/08	Article	Studies of the Anomalous Hall Effect and Magnetic Structure of Nd₂Mo₂O₇ -Test of the Chirality Mechanism- J. Phys. Soc. Jpn 75(8),pp.084711-(1-11) (Collaboration)
83.	2006/06	Article	Search for Magnetic Excitation Spectra of Na_xCoO₂.yD₂O -Neutron Scattering- J. Phys. Soc. Jpn 75(6),pp.074705-(1-6) (Collaboration)
84.	2006/05	Article	Magnetic Structure of YBaCo₄O₇ with Kagome- and Triangular-Lattices J. Phys. Soc. Jpn 75(5),pp.054707-(1-6) (Collaboration)
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■ Conference Presentations

1.	2023/11/02	Doping effect on magnetic properties of high-temperature multiferroic compound YBaCuFeO5 (The 68th Annual Conference on Magnetism and Magnetic Materials)
2.	2019/11/05	Magnetic Properties of Frustrated Quantum spin chain system Rb₂(Cu_1-xM_x)₂Mo₃O₁₂ (M=Zn, Ni) (Annual Conference on Magnetism and Magnetic Materials (MMM2019))
3.	2018/07/17	Magnetic Behavior of Quasi-One-dimensional Frustrated Quantum spin systems (Rb,Cs)₂Cu₂Mo₃O₁₂ (International conference on Magnetism 2018 (ICM2018))
4.	2017/11/08	Magnetic Properties of RCrTiO5 (R=Pr, Nd, Eu, Sm, and Gd) (62nd Annual Conference on Magnetism and Magnetic Materials (MMM2017))
5.	2017/07/16	Magnetic Properties of RCrTiO5 (R=Rare Earth Elements) (SCES2017)
6.	2016/01/12	Magnetic Structure of Li₂ZrCuO₄ with Quasi-one-dimensional J₁-J₂ Magnet (13th Joint MMM-Intermag Conference)
7.	2013/08/06	Low temperature Magnetic Properties of Frustrated Quantum Spin Chain System Rb₂Cu₂Mo₃O₁₂ (The International Correlated Electron Systems (SCES2013))
8.	2013/07/10	Magnetic Behavior and Crystal Structure of One-Dimensional Quantum Spin System Li₂ZrCuO₄ (International Conference on Neutron Scattering (ICNS2013))
9.	2013/01/18	Magnetic Field Induced Ferroelectric Transition of Quasi One-Dimensional Frustrated Quantum Spin Chain System Rb₂Cu₂Mo₃O₁₂ (12th Joint MMM/Intermag Conference)
10.	2012/02/28	Magnetic Field Induced Ferroelectric Transition of Quantum Spin Chain System Rb₂Cu₂Mo₃O₁₂ (American Physics Society March meeting 2012)
11.	2011/11/21	Magnetic Structures and Dielectric Properties of Quasi One-Dimensional Frustrated Quantum Spin Systems With CuO₂ Ribbon Chains (1st Asia-Oceania Conference on Neutron Scattering)
12.	2011/06/16	Multiferroic Behavior of Quasi One-Dimensional Frustrated Quantum Spin System with CuO₂ Ribbon Chains (International Discussion Meeting on Thermoelectrics and Related Functional Materials)
13.	2011/05/30	Anomalous Dielectric Properties of Quasi-1D frustrated spin-1/2 systems with CuO₂ ribbon chains (Joint meeting the MEXT Japanese Network on ¨Novel State of Matter Induced by Frustration¨ and the Quantum Materials Program of the Canadian Institute for Advanced Research)
14.	2011/03/07	Magnetic Excitation Spectra of Ba(Fe_0.9Co_0.1)₂As₂ (T_c~23K), (International Workshop on Novel Superconductors and Super Materials 2011 (NS22011))
15.	2011/01/11	Relationship between ferroelectricity and magnetic structure of PbCuSO₄(OH)₂ with CuO₂ ribbon chains (International Conference on Frustration in Condensed Matter (ICFCM) 2011, Sendai International Center)
16.	2008/11/08	Relationship between magnetic structure and ferroelectricity of LiVCuO₄ with the CuO₂ ribbon chains (The 2rd International Symposium on Anomalous Quantum Materials (ISAQM2008) and the 7th Asia-Pacific Workshop)
17.	2007/11/30	Relationship between Magnetic structure and Ferroelectricity of LiVCuO₄ (Nagoya International Symposium -Science of Molecular Assembly and Biomolecular Systems-)
18.	2006/08/22	Studies on the Anomalous Hall Effect of Nd₂Mo₂O₇ -Test of the Chirality Mechanism- (International Conference on Magnetism (ICM2006))
19.	2006/06/23	Can the Chirality Mechanism be applied to the Anomalous Hall Effect of Nd₂Mo₂O₇ (The International Symposium on Anomalous Quantum Materials 2006 and The 5-th Asia-Pacific Workshop)
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■ Academic Qualifications

1.	1996/04～1999/03	〔Doctorial Course〕, Graduate School, Division of Natural Science, Nagoya University, Completed,
2.	1994/04～1996/03	〔Master Course〕, Graduate School, Division of Natural Science, Nagoya University, Completed,
3.	1990/04～1994/03	Department of Physics, Faculty of Science, Nagoya University, Graduated,

■ Career History

2017/04～

Professor

■ Academic Associations Membership

2011/11～

America Physical Society

■ researchmap Researcher Code

6000001638

■ Web Sites

http://www.isc.meiji.ac.jp/~yyasui/yasuilab.html

■ Email Addresses

■ Award History

1.	2017/09	JPSJ. Papers of Editor's Choice: September, 2017 (Anomalous Thermoelectric Response in an Orbital-Ordered Oxide Near and Far from Equilibrium: J. Phys. Soc. Jpn. Vol.86, No.9 (2017) pp.093707-(1-4).)
2.	2016/03	Hot Article for 2015 in Journal of Materials Chemistry (Ruthenium oxide as a thermoelectric material: Unconventional thermoelectric properties in Li2RuO3)
3.	2007/02	JPSJ. Papers of Editor's Choice: February, 2007 (Ferroelectric Transition Induced by the Incommensurate Magnetic Ordering in LiCuVO4, J. Phys. Soc. Jpn. 76 (2007) 023708.)

■ Current Specialized Field

Magnetism, superconductivity and strongly correlated systems, Nuclear engineering, Inorganic materials and properties

■ KAKENHI Researcher Number

80345850