TAKAHIRO ONIMARU

Last Updated :2025/01/08

Affiliations, Positions
Graduate School of Advanced Science and Engineering, Professor
Web Site
https://adsmmag.hiroshima-u.ac.jp/index_e.html
E-mail
onimaruhiroshima-u.ac.jp
Other Contact Details
1-3-1 Kagamiyama, Higashi-Hiroshima, Hiroshima, Japan
TEL : (+81)82-424-7027 FAX : (+81)82-424-7029
Self-introduction
I study magnetic and transport, thermoelectric properties of rare-earth intermetallic and semiconducting compounds.

Basic Information

Major Professional Backgrounds

  • 2005/04/01, 2006/09/30, Japan Science and Technology Agency, Researcher

Educational Backgrounds

  • The University of Tokyo, Graduate School, Division of Science, Department of Physics, Japan, 2002/04, 2005/03
  • Tohoku University, Graduate School, Division of Natural Science, Department of Physics, Japan, 1997/04, 1999/03
  • Science University of Tokyo, Faculty of Science, Department of Physics, Japan, 1993/04, 1997/03

Academic Degrees

  • Doctor of Science, The University of Tokyo
  • Master of Science, TOHOKU UNIVERSITY

Educational Activity

  • [Bachelor Degree Program] School of Science : Physics : Physics
  • [Master's Program] Graduate School of Advanced Science and Engineering : Division of Advanced Science and Engineering : Quantum Matter Program
  • [Doctoral Program] Graduate School of Advanced Science and Engineering : Division of Advanced Science and Engineering : Quantum Matter Program

In Charge of Primary Major Programs

  • Physics

Research Fields

  • Mathematical and physical sciences;Physics;Condensed matter physics II

Research Keywords

  • Low temperature
  • Magnetism

Affiliated Academic Societies

  • Physical Society of Japan, 1999, 2007

Educational Activity

Course in Charge

  1. 2024, Undergraduate Education, Second Semester, Electromagnetism II
  2. 2024, Undergraduate Education, 4Term, Advanced Physics
  3. 2024, Undergraduate Education, First Semester, Laboratory in PhysicsI
  4. 2024, Undergraduate Education, Second Semester, Laboratory in PhysicsII
  5. 2024, Undergraduate Education, First Semester, Special Study for Graduation A
  6. 2024, Undergraduate Education, Second Semester, Special Study for Graduation B
  7. 2024, Graduate Education (Master's Program) , First Semester, Seminar on Basic Sciences of Matter A
  8. 2024, Graduate Education (Master's Program) , Second Semester, Seminar on Basic Sciences of Matter B
  9. 2024, Graduate Education (Master's Program) , Academic Year, Academic Presentation in Basic Sciences of Matter
  10. 2024, Graduate Education (Master's Program) , 1Term, Exercises in Basic Sciences of Matter A
  11. 2024, Graduate Education (Master's Program) , 2Term, Exercises in Basic Sciences of Matter A
  12. 2024, Graduate Education (Master's Program) , 3Term, Exercises in Basic Sciences of Matter B
  13. 2024, Graduate Education (Master's Program) , 4Term, Exercises in Basic Sciences of Matter B
  14. 2024, Graduate Education (Master's Program) , 2Term, Magnetism A
  15. 2024, Graduate Education (Master's Program) , Academic Year, Advanced Study in Quantum Matter
  16. 2024, Graduate Education (Doctoral Program) , Academic Year, Advanced Study in Quantum Matter
  17. 2024, Graduate Education (Doctoral Program) , Academic Year, Advanced Study in Quantum Matter

Research Activities

Academic Papers

  1. Weak Kondo Coupling Antiferromagnet CePd3Sn2 with Quasi-One-Dimensional Ce Chains, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 93(2), 20240226
    Link to Paper Search Results by DOI
  2. Effects of Si substitution on ferromagnetic order and off-center rattling of Eu ions in the type-I clathrate Eu8Ga16Ge30, JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 588, 20231215
    Link to Paper Search Results by DOI
  3. Transport and magnetic properties in the Nd diluted system Y1-xNdxCo2Zn20, SciPost Phys. Proc., 11, 010/1-010/7, 202306
  4. Elemental Dilution Effect on the Elastic Response due to a Quadrupolar Kondo Effect of the Non-Kramers System Y1-xPrxIr2Zn20, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 92(7), 20230629
    Link to Paper Search Results by DOI
  5. Quadrupole Ordering and Multipole Interactions in Pr-based Compounds, Journal of Physics: Condensed Matter, 15, S2055-S2061, 20030401
  6. Measuring nuclear magnetization in strong magnetic fields, Physica B, 329-333, 1582-1585, 20030401
  7. ★, Angle-Resolved Magnetization Measurements on Antiferroquadrupolar Ordering System PrPb3: Evidence for Anisotropic Quadrupolar Interaction, Journal of the Physical Society of Japan, 73, 2377-2380, 20040401
  8. Phase Diagrams and Ground State Magnetic Properties of Pr-based Filled Skutterudites, Physica B, 359-361, 836-843, 20050401
  9. Anomalous Phase Transition in the Heavy Fermion Compound Ce3Ir4Sn13, Physica B, 359-361, 248-250, 20050401
  10. ★, Observation of modulated quadrupole structures in PrPb3, Physical Review Letters, 94, 197201, 20050401
  11. Neutron Diffraction Study on the Antiferroquadrupolar Ordering System PrPb3 in a Magnetic Field, Physica B, 359-361, 935-937, 20050401
  12. Long Periodic Quadrupolar Structures in PrPb3, Journal of the Physical Society of Japan, 75(Supplement), 186-188, 20060401
  13. Specific Heat Measurements on a Modulated Quadrupolar Ordering Compound PrPb3 at Very Low Temperatures, Journal of the Physical Society of Japan, 75(SUPPLEMENT), 183-185, 20060401
  14. A kondo lattice antiferromagnet CePd5Al2, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 76(12), 2007
  15. Neutron scattering study of magnetic ordering and excitations in the ternary rare-earth diborocarbide Ce11B2C2, Physical Review B, 76(18), 184427, 20071121
  16. Quadrupolar ordered state at high fields in PrPb3, Journal of Physics and Chemistry of Solids, 68(11), 2091-2094, 20071121
  17. Muon Knight shift measurements on PrPb3 in paraquadrupolar state, Journal of Magnetism and Magnetic Materials, 310(2), 743-745, 20070401
  18. Angle-resolved magnetization study of the multipole ordering in PrFe4P12, Journal of Physical Society of Japan, 76(6), 064701, 20070401
  19. Quadrupolar ordered state at high fields in PrPb3, JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS, 68(11), 2091-2094, 200711
    Link to Paper Search Results by DOI
  20. Neutron Scattering Study of Kondo Lattice Antiferromagnet YbNiSi3, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 77(12), 2008
  21. Neutron Scattering Study of Kondo Lattice Antiferromagnet YbNiSi3, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 77(12), 200812
    Link to Paper Search Results by DOI
  22. Magneto-optic effect in amorphous Bi3Fe5O12 waveguides sputtered at room temperature, JAPANESE JOURNAL OF APPLIED PHYSICS, 47(4), 2915-2920, 200804
    Link to Paper Search Results by DOI
  23. Magnetocrystalline Anisotropy and Crystal Fields in the Weak-Ferromagnet Ce4Ni3Pb4, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 78(2), 200902
    Link to Paper Search Results by DOI
  24. Quantized Hyperfine Field at an Implanted mu(+) Site in PrPb3: Interplay between Localized f Electrons and an Interstitial Charged Particle, PHYSICAL REVIEW LETTERS, 102(9), 20090306
    Link to Paper Search Results by DOI
  25. Thermoelectric and Magnetic Properties of a Narrow-Gap Semiconductor FeGa3, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 78(1), 200901
    Link to Paper Search Results by DOI
  26. Magnetic properties of RPd5Al2 (R = Y, Ce, Pr, Nd, Sm, Gd), PHYSICA B-CONDENSED MATTER, 404(19), 2946-2948, 20091015
    Link to Paper Search Results by DOI
  27. ★, Superconductivity and Structural Phase Transitions in Caged Compounds RT2Zn20 (R = La, Pr, T = Ru, Ir), JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 79(3), 201003
    Link to Paper Search Results by DOI
  28. Interplay between thermoelectric and structural properties of type-I clathrate K8Ga8Sn38 single crystals, PHYSICAL REVIEW B, 81(16), 20100415
    Link to Paper Search Results by DOI
  29. New Phase Diagram of PrPb3 in [100] Magnetic Filed Direction, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 79(9), 201009
    Link to Paper Search Results by DOI
  30. Multiple Ferromagnetic Structures in an Off-Center Rattling System Eu8Ga16Ge30, Journal of Physics: Conference Series, 200, 022044-1-4, 20100201
  31. Sinusoidally Modulated Magnetic Structure of a Kondo Lattice Compound CePd5Al2, Journal of Physics: Conference Series, 200, 032023-1-4, 20100301
  32. High-Pressure Synthesis and Superconductivity of a New Binary Lanthanum Germanide LaGe3 with Triangular Ge-3 Cluster Units, INORGANIC CHEMISTRY, 50(9), 3901-3906, 20110502
    Link to Paper Search Results by DOI
  33. ★, Antiferroquadrupolar Ordering in a Pr-Based Superconductor PrIr2Zn20, PHYSICAL REVIEW LETTERS, 106(17), 20110429
    Link to Paper Search Results by DOI
  34. Antiferro-Quadrupolar Ordering at the Lowest Temperature and Anisotropic Magnetic Field-Temperature Phase Diagram in the Cage Compound PrIr2Zn20, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 80(9), 2011
    Link to Paper Search Results by DOI
  35. Off-center rattling and thermoelectric properties of type-II clathrate (K, Ba)(24)(Ga, Sn, square)(136) single crystals, PHYSICAL REVIEW B, 84(21), 20111206
    Link to Paper Search Results by DOI
  36. Ultrasonic investigation of a heavy fermion compound YbAgGe, Journal of Physics: Conference Series, 273, 012011-1-5, 20110201
  37. Elastic modulus of cage compound PrRu2Zn20, J. Phys.: Conf. Ser., 273, 012136(1-4), 20110201
  38. "Magnetic and transport properties of ROs2Al10 (R=Pr, Nd, Sm, and Gd)", J. Phys. Soc. Jpn., 80 SA, SA021(1-3), 20110701
  39. Raman scattering study of lattice dynamics in caged compounds, J. Phys. Soc. Jpn., 80 SA, SA037(1-3), 20110701
  40. NMR Evidence of Freezing of Rattling Motion in LaIr2Zn20 and LaRu2Zn20, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 81(2), 201202
    Link to Paper Search Results by DOI
  41. Multipole and superconducting state in PrIr2Zn20 probed by muon spin relaxation, PHYSICAL REVIEW B, 85(23), 20120629
    Link to Paper Search Results by DOI
  42. Nonmagnetic ground states and phase transitions in the caged compounds PrT2Zn20 (T=Ru, Rh and Ir), JOURNAL OF PHYSICS-CONDENSED MATTER, 24(29), 20120725
    Link to Paper Search Results by DOI
  43. Ferromagnetic instability in a doped band gap semiconductor FeGa3, PHYSICAL REVIEW B, 86(14), 20121031
    Link to Paper Search Results by DOI
  44. ★, Simultaneous superconducting and antiferroquadrupolar transitions in PrRh2Zn20, PHYSICAL REVIEW B, 86(18), 20121121
    Link to Paper Search Results by DOI
  45. Determination of spin Hamiltonian in the Ni4 magnetic molecule, Phys. Rev. B, 86, 64422, 2012
  46. Non-Kramers doublet and phase transitions in Pr 1-2-20 system, Kotai Butsuri, 47(11), 565, 2012
  47. Pressure effect on the ferromagnetism of an off-center rattling system Eu8Ga16Ge30, J. Phys.: Conf. Ser., 391, 12075, 2012
  48. T-H Phase Diagram of PrPb3 in [001] and [110] Magnetic Field Directions, J. Phys.: Conf. Ser., 391, 12060, 2012
  49. Nonmagnetic Γ3 doublet ground state in a caged compound PrRh2Zn20, J. Phys.: Conf. Ser., 391, 12051, 2012
  50. Magnetic and transport properties of a new caged compound PrOs2Zn20, JOURNAL OF THE KOREAN PHYSICAL SOCIETY, 62(12), 2143-2145, 201307
    Link to Paper Search Results by DOI
  51. Superconductivity of metal nitride chloride beta-MNCl (M = Zr, Hf) with rare-earth metal RE (RE = Eu, Yb) doped by intercalation, SUPERCONDUCTOR SCIENCE & TECHNOLOGY, 26(4), 201304
    Link to Paper Search Results by DOI
  52. Well-Defined Crystal Field Splitting Schemes and Non-Kramers Doublet Ground States of f Electrons in PrT2Zn20 (T = Ir, Rh, and Ru), JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 82(4), 201304
    Link to Paper Search Results by DOI
  53. Effect of La Substitution in PrIr2Zn20 on the Superconductivity and Antiferro-Quadrupole Order, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 84(6), 2015
    Link to Paper Search Results by DOI
  54. Tuning of magnetic and transport properties in Bi2Te3 by divalent Fe doping, PHYSICAL REVIEW B, 87(20), 20130515
    Link to Paper Search Results by DOI
  55. Anisotropic c-f hybridization in the Kondo semiconductor CeFe2Al10, JOURNAL OF THE KOREAN PHYSICAL SOCIETY, 63(3), 508-511, 201308
    Link to Paper Search Results by DOI
  56. Evidence of a rattling transition in the caged compounds LaRu2Zn20 and LaIr2Zn20: La-139 NMR studies, JOURNAL OF THE KOREAN PHYSICAL SOCIETY, 63(3), 650-653, 201308
    Link to Paper Search Results by DOI
  57. Weak Ferromagnetism below 41K and Structural Transition at 395K in CeIr3B2 Single Crystal, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 82(10), 201310
    Link to Paper Search Results by DOI
  58. Electrical properties of Ba3C60 collapsed under high-pressure and high-temperature conditions, CARBON, 73, 125-131, 201407
    Link to Paper Search Results by DOI
  59. Thermoelectric properties in Mn-doped Bi2Se3, CURRENT APPLIED PHYSICS, 14(8), 1041-1044, 201408
    Link to Paper Search Results by DOI
  60. ★, Simultaneous Pressure-Induced Magnetic and Valence Transitions in Type-I Clathrate Eu8Ga16Ge30, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 83(1), 201401
    Link to Paper Search Results by DOI
  61. Thermoelectric properties of Mn-doped Mg-Sb single crystals, JOURNAL OF MATERIALS CHEMISTRY A, 2(31), 12311-12316, 2014
  62. Magnetic properties of the tetragonal compounds CeB2C2 and PrB2C2, Journal of Magnetism and Magnetic Materials, 221, 293-300, 20000401
  63. Long Periodic Magnetic Structure in CeB2C2, Journal of the Physical Society of Japan, 72, 3303-3304, 20030401
  64. La Substitution Effect on Superconducting Transition and Doublet Ground State in PrIr2Zn20, JPS Conf. Proc., 3, 011039-1-011039-5, 201406
  65. Suppression of Superconductivity in PrRh2Zn20 by the Substitution of Co for Rh, JPS Conf. Proc., 3, 011042-1-011042-6, 201406
  66. High-Sensitive Measurements of Magnetization in PrPb3 with SQUID Magnetometer, JPS Conf. Proc., 3, 011052-1-011052-5, 201406
  67. Atomic Dynamics and Structural Transitions in Caged Compounds RRu2Zn20 (R = La and Pr), JPS Conf. Proc., 3, 011068-1-011068-5, 201406
  68. Anomalous Enhancement of Seebeck Coefficient in PrIr2Zn20, JPS Conf. Proc., 3, 011091-1-011091-5, 201406
  69. Release of the Magnetic Frustration in a Quasi-Kagome Antiferromagnet YbAgGe by Au Substitution, JPS Conf. Proc., 3, 014005-1-014005-5, 201406
  70. Synthesis and physical properties of a new caged compound Ce3Pd20As6 of the C6Cr23-type structure, JOURNAL OF ALLOYS AND COMPOUNDS, 622, 676-680, 20150215
    Link to Paper Search Results by DOI
  71. Thermoelectric properties of Mg3Sb2-xBix single crystals grown by Bridgman method, Mater. Res. Express, 2, 55903, 20150527
  72. Interplay between low-energy optical phonon modes and structural transition in PrT2Zn20 (T=Ru and Ir), Journal of Physics: Conference Series, 592, 012024-1-012024-6, 20150318
  73. Anomalous Enhancement of Seebeck Coefficient in Pr-Based 1-2-20 System with Non- Kramers Doublet Ground States, Journal of Physics: Conference Series, 592, 012025-1-012025-9, 20150318
  74. Competition between Quadrupole and Magnetic Kondo Effects in Non-Kramers Doublet Systems, Journal of Physics: Conference Series, 592, 012099-1-012099-10, 20150318
  75. Effect of La Substitution in PrIr2Zn20 on the Superconductivity and Antiferro-Quadrupole Order, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 84(6), 20150615
    Link to Paper Search Results by DOI
  76. Raman scattering study of lattice dynamics in caged compounds, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 80, 201107
  77. NMR studies of Ba8Ga16Sn30 clathrates, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 80, 201107
  78. Anisotropic Thermopower of the Antiferromagnetic Kondo Semiconductor CeOs2Al10 Doped with 5d Electrons and Holes, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 84(8), 20150815
    Link to Paper Search Results by DOI
  79. Low-energy optical phonon modes in the caged compound LaRu2Zn20, PHYSICAL REVIEW B, 93(6), 20160209
    Link to Paper Search Results by DOI
  80. Antiferromagnetic Structure with the Uniaxial Anisotropy in the Tetragonal LaB_2C_2 Type Compound,NdB_2C_2 : Condensed Matter: Electronic Properties, etc., Journal of the Physical Society of Japan, 69(8), 2623-2628, 20000815
  81. 25pPSA-62 Neutron scattering study of single-crystalline Ce^<11>B_2C_2, Meeting abstracts of the Physical Society of Japan, 54(2), 19990903
  82. Exotic Ground State and Elastic Softening under Pulsed Magnetic Fields in PrTr2Zn20 (Tr = Rh, Ir), JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 85(4), 20160415
    Link to Paper Search Results by DOI
  83. Physical properties of new cerium palladium phosphide with C6Cr23-type structure, RESULTS IN PHYSICS, 4, 137-141, 2014
    Link to Paper Search Results by DOI
  84. Non-Fermi Liquid Properties in a Cubic Pr-Based Compound PrPb3 under Magnetic Fields, J. Phys.: Conf. Ser., 683, 012031-1-012031-6, 20160205
  85. Effect of Ga Substitution on the Gamma3 Doublet Ground State in PrIr2Zn20, J. Phys.: Conf. Ser., 683, 012011-1-012011-7, 20160205
  86. Common Anomalies of Transport Properties in PrTr2Zn20 (Tr=Ir, Rh) with Non-Kramers Doublet Ground State, Physics Procedia, 75, 529-536, 20151201
  87. Ferromagnetic transition in a caged compound NdOs2Zn20, Physics Procedia, 75, 511-515, 20151201
  88. ★, Quadrupole-driven non-Fermi-liquid and magnetic-field-induced heavy fermion states in a non-Kramers doublet system, PHYSICAL REVIEW B, 94(7), 20160816
    Link to Paper Search Results by DOI
  89. Structural, Magnetic, and Superconducting Properties of Caged Compounds ROs2Zn20 ( R = La, Ce, Pr, and Nd), JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 86(3), 20170315
    Link to Paper Search Results by DOI
  90. Anisotropic B-T Phase Diagram of Non-Kramers System PrRh2Zn20, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 86(4), 20170415
    Link to Paper Search Results by DOI
  91. Competing Magnetic Interactions in the Kramers Doublet System NdIr2Zn20, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 86(5), 20170515
    Link to Paper Search Results by DOI
  92. Quantum criticality and development of antiferromagnetic order in the quasikagome Kondo lattice CeRh1-xPdxSn, PHYSICAL REVIEW B, 96(4), 20170726
    Link to Paper Search Results by DOI
  93. Linear Dichroism in Angle-Resolved Core-Level Photoemission Spectra Reflecting 4f Ground-State Symmetry of Strongly Correlated Cubic Pr Compounds, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 86(12), 20171215
    Link to Paper Search Results by DOI
  94. Structural and magnetic properties of a novel ternary intermetallic compound CePd3Sn2, JOURNAL OF ALLOYS AND COMPOUNDS, 739, 518-521, 20180330
    Link to Paper Search Results by DOI
  95. Effect of Zn-site substitution with Ga on non-Fermi liquid behavior in PrIr2Zn20, PHYSICA B-CONDENSED MATTER, 536, 34-36, 20180501
    Link to Paper Search Results by DOI
  96. Impurity quadrupole Kondo ground state in a dilute Pr system Y1-xPrxIr2Zn20, PHYSICA B-CONDENSED MATTER, 536, 40-42, 20180501
    Link to Paper Search Results by DOI
  97. Ferromagnetism in a hexagonal PrRh3 with 4f(2) configuration, PHYSICA B-CONDENSED MATTER, 536, 439-441, 20180501
    Link to Paper Search Results by DOI
  98. Antiferro-multipole Ordered State Associated with 4f 2 Configuration in PrIr2Zn20, 27(4), 144-147, 20171110
  99. Single-Site Non-Fermi-Liquid Behaviors in a Diluted 4f(2) System Y1-xPrxIr2Zn20, PHYSICAL REVIEW LETTERS, 121(7), 20180817
    Link to Paper Search Results by DOI
  100. Metamagnetic crossover in the quasikagome Ising Kondo-lattice compound CeIrSn, PHYSICAL REVIEW B, 98(15), 20181029
    Link to Paper Search Results by DOI
  101. Magnetic field effects on the specific heat of a diluted Pr system Y1-xPrxIr2Zn20, AIP ADVANCES, 8(10), 201810
    Link to Paper Search Results by DOI
  102. Inelastic neutron scattering study on 4f-electron multipole system PrTr2X20 (Tr: transition metal, X: Al and Zn), PHYSICA B-CONDENSED MATTER, 551, 37-40, 20181215
    Link to Paper Search Results by DOI
  103. Sinusoidally modulated magnetic structure of Kramers local moments in CePd5Al2, JOURNAL OF PHYSICS-CONDENSED MATTER, 31(12), 20190327
    Link to Paper Search Results by DOI
  104. Highly anisotropic strain dependencies in PrIr2Zn20, PHYSICAL REVIEW B, 99(8), 20190222
    Link to Paper Search Results by DOI
  105. Antiferromagnetic Order of NdT2Zn20(T = Co and Rh) with the Kramers Gamma(6) Doublet Ground State, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 88(4), 20190415
    Link to Paper Search Results by DOI
  106. Effects of Ga and Cd Substitutions for Zn in PrIr2Zn20 on the Quadrupole-Driven Non-Fermi Liquid Behaviors, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 88(5), 20190515
    Link to Paper Search Results by DOI
  107. Magnetic field effects on the specific heat of a diluted Pr system Y1-xPrxIr2Zn20, AIP ADVANCES, 8(10), 2018
  108. Inelastic neutron scattering study on 4f-electron multipole system PrTr2X20 (Tr: transition metal, X: Al and Zn), PHYSICA B-CONDENSED MATTER, 551, 37-40, 2018
  109. Giant uniaxial anisotropy in the magnetic and transport properties of CePd5Al2, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 77(7), 2008
  110. Thermoelectric and Magnetic Properties of a Narrow-Gap Semiconductor FeGa3, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 78(1), 2009
  111. Magnetocrystalline Anisotropy and Crystal Fields in the Weak-Ferromagnet Ce4Ni3Pb4, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 78(2), 2009
  112. Superconductivity and Structural Phase Transitions in Caged Compounds RT2Zn20 (R = La, Pr, T = Ru, Ir), JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 79(3), 2010
  113. New Phase Diagram of PrPb3 in [100] Magnetic Filed Direction, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 79(9), 2010
  114. High-Pressure Synthesis and Superconductivity of a New Binary Lanthanum Germanide LaGe3 with Triangular Ge-3 Cluster Units, INORGANIC CHEMISTRY, 50(9), 3901-3906, 2011
  115. Antiferro-Quadrupolar Ordering at the Lowest Temperature and Anisotropic Magnetic Field-Temperature Phase Diagram in the Cage Compound PrIr2Zn20, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 80(9), 2011
  116. NMR Evidence of Freezing of Rattling Motion in LaIr2Zn20 and LaRu2Zn20, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 81(2), 2012
  117. Superconductivity of metal nitride chloride beta-MNCl (M = Zr, Hf) with rare-earth metal RE (RE = Eu, Yb) doped by intercalation, SUPERCONDUCTOR SCIENCE & TECHNOLOGY, 26(4), 2013
  118. Well-Defined Crystal Field Splitting Schemes and Non-Kramers Doublet Ground States of f Electrons in PrT2Zn20 (T = Ir, Rh, and Ru), JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 82(4), 2013
  119. Antiferroquadrupolar ordering and magnetic-field-induced phase transition in the cage compound PrRh2Zn20, PHYSICAL REVIEW B, 87(20), 2013
  120. Anisotropic c-f hybridization in the Kondo semiconductor CeFe2Al10, JOURNAL OF THE KOREAN PHYSICAL SOCIETY, 63(3), 508-511, 2013
  121. Evidence of a rattling transition in the caged compounds LaRu2Zn20 and LaIr2Zn20: La-139 NMR studies, JOURNAL OF THE KOREAN PHYSICAL SOCIETY, 63(3), 650-653, 2013
  122. Weak Ferromagnetism below 41K and Structural Transition at 395K in CeIr3B2 Single Crystal, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 82(10), 2013
  123. Simultaneous Pressure-Induced Magnetic and Valence Transitions in Type-I Clathrate Eu8Ga16Ge30, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 83(1), 2014
  124. Electrical properties of Ba3C60 collapsed under high-pressure and high-temperature conditions, CARBON, 73, 125-131, 2014
  125. Effect of La Substitution in PrIr2Zn20 on the Superconductivity and Antiferro-Quadrupole Order, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 84(6), 2015
  126. Anisotropic Thermopower of the Antiferromagnetic Kondo Semiconductor CeOs2Al10 Doped with 5d Electrons and Holes, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 84(8), 2015
  127. Thermoelectric properties of Mg3Sb2-xBix single crystals grown by Bridgman method, MATERIALS RESEARCH EXPRESS, 2(5), 2015
  128. Structural, Magnetic, and Superconducting Properties of Caged Compounds ROs2Zn20 ( R = La, Ce, Pr, and Nd), JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 86(3), 2017
  129. Anisotropic B-T Phase Diagram of Non-Kramers System PrRh2Zn20, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 86(4), 2017
  130. Competing Magnetic Interactions in the Kramers Doublet System NdIr2Zn20, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 86(5), 2017
  131. Linear Dichroism in Angle-Resolved Core-Level Photoemission Spectra Reflecting 4f Ground-State Symmetry of Strongly Correlated Cubic Pr Compounds, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 86(12), 2017
  132. Evidence for antiferromagnetic-type ordering of f-Eelectron multipoles in PrIr2Zn20, PHYSICAL REVIEW B, 95(15), 2017
  133. Hindered Quadrupole Order in PrMgNi4 with a Nonmagnetic Doublet Ground State, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 88(8), 20190815
    Link to Paper Search Results by DOI
  134. Evidence for the Single-Site Quadrupolar Kondo Effect in the Dilute Non-Kramers System Y1-xPrxIr2Zn20, PHYSICAL REVIEW LETTERS, 123(6), 20190806
    Link to Paper Search Results by DOI
  135. Pressure-Induced Collapse of the Guest Eu Off-Centering in Type-I Clathrate Eu8Ga16Ge30, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 88(11), 20191115
    Link to Paper Search Results by DOI
  136. Observation of the 4f ground-state symmetry in strongly correlated cubic Pr compounds probed by linearly polarized 3d core-level photoemission spectroscopy, J. Electron Spectros. Relat. Phenom., 238, 146885/1-146885/3, 202001
  137. Non-Kramers Gamma3 doublet ground state in a diluted Pr system Y1-xPrxCo2Zn20, JPS Conf. Proc., 29, 015001/1-015001/6, 20200213
  138. Magnetic Properties of a Diluted Nd System Y1-xNdxCo2Zn20 for x = 0.20 with a Gamma6 Doublet Ground State, JPS Conf. Proc., 29, 015006/1-015006/6, 20200213
  139. Logarithmic Elastic Response in the Dilute non-Kramers System Y1-xPrxIr2Zn20, JPS Conf. Proc., 29, 015002/1-015002/9, 20200213
  140. Substitution Effect on the Metamagnetic Crossover in the Super-Heavy Fermion Compound YbCo2Zn20, JPS Conf. Proc., 30, 011121/1-011121/4, 20200319
  141. Collapse of Ferroquadrupolar Order and Emergence of Non-Fermi Liquid Behavior in La1-xPrxTi2Al20, JPS Conf. Proc., 30, 011159/1-011159/5, 20200319
  142. Crystal electric field response in elastic modulus without rattling effect in the cage compound NdCo2Zn20, JPS Conf. Proc., 30, 011162/1-011162/5, 20200319
  143. Effects of Magnetic Field on the Nonmagnetic Doublet Ground State in PrMgNi4, JPS Conf. Proc., 30, 011160/1-011160/6, 20200319
  144. Magnetic Properties of Rare-Earth Sulfides RCuS2 (R = Dy, Ho, Er, Tm, and Yb), JPS Conf. Proc., 30, 011167/1-011167/6, 20200319
  145. Fragile superheavy Fermi liquid in YbCo2Zn20, PHYSICAL REVIEW B, 101(24), 20200601
    Link to Paper Search Results by DOI
  146. Magneto-optic effect in amorphous Bi3Fe5O12 waveguides sputtered at room temperature, JAPANESE JOURNAL OF APPLIED PHYSICS, 47(4), 2915-2920, 2008
  147. Neutron Scattering Study of Kondo Lattice Antiferromagnet YbNiSi3, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 77(12), 2008
  148. Thermoelectric and Magnetic Properties of a Narrow-Gap Semiconductor FeGa3, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 78(1), 2009
  149. New Phase Diagram of PrPb3 in [100] Magnetic Filed Direction, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 79(9), 2010
  150. Antiferro-Quadrupolar Ordering at the Lowest Temperature and Anisotropic Magnetic Field-Temperature Phase Diagram in the Cage Compound PrIr2Zn20, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 80(9), 2011
  151. NMR Evidence of Freezing of Rattling Motion in LaIr2Zn20 and LaRu2Zn20, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 81(2), 2012
  152. Superconductivity of metal nitride chloride beta-MNCl (M = Zr, Hf) with rare-earth metal RE (RE = Eu, Yb) doped by intercalation, SUPERCONDUCTOR SCIENCE & TECHNOLOGY, 26(4), 2013
  153. Well-Defined Crystal Field Splitting Schemes and Non-Kramers Doublet Ground States of f Electrons in PrT2Zn20 (T = Ir, Rh, and Ru), JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 82(4), 2013
  154. Antiferroquadrupolar ordering and magnetic-field-induced phase transition in the cage compound PrRh2Zn20, PHYSICAL REVIEW B, 87(20), 2013
  155. Anisotropic c-f hybridization in the Kondo semiconductor CeFe2Al10, JOURNAL OF THE KOREAN PHYSICAL SOCIETY, 63(3), 508-511, 2013
  156. Evidence of a rattling transition in the caged compounds LaRu2Zn20 and LaIr2Zn20: La-139 NMR studies, JOURNAL OF THE KOREAN PHYSICAL SOCIETY, 63(3), 650-653, 2013
  157. Weak Ferromagnetism below 41K and Structural Transition at 395K in CeIr3B2 Single Crystal, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 82(10), 2013
  158. Simultaneous Pressure-Induced Magnetic and Valence Transitions in Type-I Clathrate Eu8Ga16Ge30, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 83(1), 2014
  159. Electrical properties of Ba3C60 collapsed under high-pressure and high-temperature conditions, CARBON, 73, 125-131, 2014
  160. Anisotropic Thermopower of the Antiferromagnetic Kondo Semiconductor CeOs2Al10 Doped with 5d Electrons and Holes, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 84(8), 2015
  161. Thermoelectric properties of Mg3Sb2-xBix single crystals grown by Bridgman method, MATERIALS RESEARCH EXPRESS, 2(5), 2015
  162. Exotic Quadrupolar Phenomena in Non-Kramers Doublet Systems - The Cases of PrT2Zn20 (T = Ir, Rh) and PrT2Al20 (T = V, Ti), JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 85(8), 2016
  163. Structural, Magnetic, and Superconducting Properties of Caged Compounds ROs2Zn20 ( R = La, Ce, Pr, and Nd), JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 86(3), 2017
  164. Anisotropic B-T Phase Diagram of Non-Kramers System PrRh2Zn20, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 86(4), 2017
  165. Competing Magnetic Interactions in the Kramers Doublet System NdIr2Zn20, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 86(5), 2017
  166. Linear Dichroism in Angle-Resolved Core-Level Photoemission Spectra Reflecting 4f Ground-State Symmetry of Strongly Correlated Cubic Pr Compounds, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 86(12), 2017
  167. Simultaneous collapse of antiferroquadrupolar order and superconductivity in PrIr2Zn20 by nonhydrostatic pressure, Phys. Rev. B, 102, 094505/1-094505/5, 20200908
  168. ★, Non-Fermi liquid behavior and quadrupole Kondo effect in PrIr2Zn20 and the diluted Pr system with 4f2 configuration, Solid State Physics, 55(11), 573-586, 20201115

Invited Lecture, Oral Presentation, Poster Presentation

  1. Nonmagnetic multipole order in 4f electron systems studied by neutron scattering technique, Takahiro Onimaru, Symposia of the 30th Anniversary of the Advanced Science Research Center, 2023/12/07, With Invitation, Japanese, Tokai Cultural Center, Japan
  2. Two-channel Kondo problem in dilute rare-earth systems, Takahiro Onimaru, Asia-Pacific Condensed Matter Physics Conference 2023 (AC2MP 2023), 2023/11/28, With Invitation, Japanese, Hualien, Taiwan
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  3. Incommensurate ordered phase in an effective spin-1/2 zigzag chain of a semiconductor YbCuS2, Takahiro Onimaru, Topology, spin-orbit interactions and superconductivity in strongly correlated quantum materials under extreme conditions, 2023/10/11, With Invitation, English, Grenoble, France
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  4. Towards experimental confirmation of two-channel Kondo effects in dilute 4f2 and 4f3 electron systems, Takahiro Onimaru, International Conference on Strongly Correlated Electron Systems (SCES) 2023, 2023/07/04, With Invitation, English, SCES2023 Organizing Committee, Incheon, Korea
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  5. Multipole-driven correlated electronic phenomena in non-Kramers rare-earth system, T. Onimaru, UK-Japan workshop on strongly correlated systems and 18th Theoretical and Experimental Magnetism Meeting, 2020/07/06, With Invitation, Japanese, On-line (RAL, UK)
  6. Zn-site substitution effect on antiferromagnetic order in NdCo2Zn20, T. Onimaru, R. J. Yamada, R. Yamamoto, Y. Yamane, K. Umeo, and T. Takabatake, J-Physics 2019 International Conference & KINKEN-WAKATE 2019 Multipole Physics, 2019/09/19, Without Invitation, English
  7. Non-Fermi liquid behaviors due to possible two-channel Kondo effect in non-Kramers doublet systems, T. Onimaru, International workshop "Novel Phenomena in Quantum Materials driven by Multipoles and Topology", 2018/04/09, With Invitation, English, Kashiwa, Japan
  8. A variety of phenomena in non-Kramers doublet ground states, T. Onimaru, International workshop ECMP2018, 2018/03/05, Without Invitation, English
  9. Emergence of quadrupole-driven phenomena in non-Kramers Pr 1-2-20 systems, T. Onimaru, International Workshop on Multipole Physics and Related Phenomena, 2017/09/24, With Invitation, English
  10. Quadrupole-driven exotic phenomena in non-Kramers doublet systems, T. Onimaru, 13th German-Japanese symposium, 2016/09/27, With Invitation, English, Sappro, Hokkaido
  11. Quadrupole-driven exotic phenomena in a caged compound PrIr2Zn20 with 4f2 configuration, T. Onimaru, Les petits seminaires de l'axe 1, 2016/06/07, Without Invitation, Japanese, Le Laboratoire Léon Brillouin (LLB), France
  12. Quadrupole-Driven Non-Fermi Liquid Behaviors in Pr 1-2-20 System, T. Onimaru, J-Physics: Mini International Workshop: "Physics of Strongly Correlated Electron Systems under Extreme Conditions", 2016/04/13, Without Invitation, English, Rokkodai Campus, Kobe University
  13. Non-Fermi Liquid Behaviors in a Non-Kramers 4f2 System PrIr2Zn20, T. Onimaru, K. T. Matsumoto, K. Wakiya, K. Uenishi, K. Umeo, and T. Takabatake, TMU International Symposium 2015 "New Quantum Phases Emerging from Novel Crystal Structure", 2015/09/24, With Invitation, English
  14. Quadrupole Order and Quadrupole Kondo Effect in a Non-Kramers System PrIr2Zn20, T. Onimaru, 13th German-Japanese symposium: Interplay of Spin-Orbital Degrees of Freedom in Strongly Correlated Electron Systems, 2014/07, With Invitation, English, Ringberg, Germany
  15. Magnetic field induced quantum critical phenomena in a non- Kramers doublet system PrIr2Zn20, T. Onimaru, K. T. Matsumoto, K. Umeo, S. Kittaka, T. Sakakibara, T. Takabatake, International Conference on Strongly Correlated Electron Systems (SCES2014), 2014/07, Without Invitation, English, Grenoble, France
  16. Quadrupolar ordered phases in a Pr-based superconductor PrT2Zn20 (T=Rh, Ir), T. Onimaru, New Horizon of Strongly Correlated Physics (NHSCP2014), 2014/06, With Invitation, English, Kashiwa, Japan
  17. Superconducting and antiferroquadrupolar transitions in isoelectronic caged compounds PrT2Zn20 (T=Co, Rh, and Ir), T. Onimaru, K. T. Matsumoto, N. Nagasawa, K. Wakiya, Y. Obayashi, Y. Shimada, Y. F. Inoue, K. Umeo, S. Kittaka, T. Sakakibara, Y. Karaki, M. Kubota, Y. Matsushita, and T. Takabatake , SCES2013, 2013/08, Without Invitation, Japanese, Tokyo, Japan
  18. Incommensurate quadrupolar structure in the rare-earth compound, PrPb3, T. Onimaru, Aperiodic 2006, 2006/09, With Invitation, English
  19. Magnetic Properties of Rare-earth Compounds with a Caged Structure, T. Onimaru, International Symposium for Young Scientists on Physics of Strongly Correlated Electrons, 2009/08, With Invitation, English

Awards

  1. 2005/03, 10th Award for Publication in the Physical Society of Japan, The Physical Society of Japan, Antiferroquadrupolar Ordering and Magnetic Properties of the Tetragonal DyB2C2 Compound
  2. 2010/02, JPSJ Papers of Editors' Choice, Journal of the Physical Society of Japan, Physical Society of Japan, Superconductivity and Structural Phase Transitions in Caged Compounds RT2Zn20 (R=La, Pr, T=Ru, Ir)
    Related URL

External Funds

Acceptance Results of Competitive Funds

  1. マツダ研究助成-科学技術振興関係-, 2008, 2010
  2. KAKENHI, 2014, 2016
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  3. KAKENHI, Modulated ferromagnetic structure in rare-earth clathrate compounds, 2011, 2013
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  4. KAKENHI, 2011, 2012
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  5. KAKENHI, 2009, 2010
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  6. KAKENHI, 2015
  7. KAKENHI, 2015
  8. KAKENHI(Fund for the Promotion of Joint International Research (Fostering Joint International Research)), 2016, 2018
  9. KAKENHI(Grant-in-Aid for Scientific Research (B)), 2018, 2021

Social Activities

Organizing Academic Conferences, etc.

  1. Emergent Condensed-Matter Physics 2018, 2018/03, 2018/03

History as Peer Reviews of Academic Papers

  1. 2020, Phys. Rev. B, Others, Referee, 2
  2. 2020, J. Phys. Soc. Jpn., Editor, 6