TAKAHIRO ONIMARU

Last Updated :2024/05/07

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. Quadrupole Ordering and Multipole Interactions in Pr-based Compounds, Journal of Physics: Condensed Matter, 15, S2055-S2061, 20030401
  2. Measuring nuclear magnetization in strong magnetic fields, Physica B, 329-333, 1582-1585, 20030401
  3. ★, 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
  4. Phase Diagrams and Ground State Magnetic Properties of Pr-based Filled Skutterudites, Physica B, 359-361, 836-843, 20050401
  5. Anomalous Phase Transition in the Heavy Fermion Compound Ce3Ir4Sn13, Physica B, 359-361, 248-250, 20050401
  6. ★, Observation of modulated quadrupole structures in PrPb3, Physical Review Letters, 94, 197201, 20050401
  7. Neutron Diffraction Study on the Antiferroquadrupolar Ordering System PrPb3 in a Magnetic Field, Physica B, 359-361, 935-937, 20050401
  8. Long Periodic Quadrupolar Structures in PrPb3, Journal of the Physical Society of Japan, 75(Supplement), 186-188, 20060401
  9. 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
  10. A kondo lattice antiferromagnet CePd5Al2, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 76(12), 2007
  11. Neutron scattering study of magnetic ordering and excitations in the ternary rare-earth diborocarbide Ce11B2C2, Physical Review B, 76(18), 184427, 20071121
  12. Quadrupolar ordered state at high fields in PrPb3, Journal of Physics and Chemistry of Solids, 68(11), 2091-2094, 20071121
  13. Muon Knight shift measurements on PrPb3 in paraquadrupolar state, Journal of Magnetism and Magnetic Materials, 310(2), 743-745, 20070401
  14. Angle-resolved magnetization study of the multipole ordering in PrFe4P12, Journal of Physical Society of Japan, 76(6), 064701, 20070401
  15. 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
  16. Neutron Scattering Study of Kondo Lattice Antiferromagnet YbNiSi3, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 77(12), 2008
  17. 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
  18. 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
  19. 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
  20. 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
  21. 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
  22. 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
  23. ★, 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
  24. 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
  25. 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
  26. Multiple Ferromagnetic Structures in an Off-Center Rattling System Eu8Ga16Ge30, Journal of Physics: Conference Series, 200, 022044-1-4, 20100201
  27. Sinusoidally Modulated Magnetic Structure of a Kondo Lattice Compound CePd5Al2, Journal of Physics: Conference Series, 200, 032023-1-4, 20100301
  28. 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
  29. ★, Antiferroquadrupolar Ordering in a Pr-Based Superconductor PrIr2Zn20, PHYSICAL REVIEW LETTERS, 106(17), 20110429
    Link to Paper Search Results by DOI
  30. 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
  31. 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
  32. Ultrasonic investigation of a heavy fermion compound YbAgGe, Journal of Physics: Conference Series, 273, 012011-1-5, 20110201
  33. Elastic modulus of cage compound PrRu2Zn20, J. Phys.: Conf. Ser., 273, 012136(1-4), 20110201
  34. "Magnetic and transport properties of ROs2Al10 (R=Pr, Nd, Sm, and Gd)", J. Phys. Soc. Jpn., 80 SA, SA021(1-3), 20110701
  35. Raman scattering study of lattice dynamics in caged compounds, J. Phys. Soc. Jpn., 80 SA, SA037(1-3), 20110701
  36. 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
  37. Multipole and superconducting state in PrIr2Zn20 probed by muon spin relaxation, PHYSICAL REVIEW B, 85(23), 20120629
    Link to Paper Search Results by DOI
  38. 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
  39. Ferromagnetic instability in a doped band gap semiconductor FeGa3, PHYSICAL REVIEW B, 86(14), 20121031
    Link to Paper Search Results by DOI
  40. ★, Simultaneous superconducting and antiferroquadrupolar transitions in PrRh2Zn20, PHYSICAL REVIEW B, 86(18), 20121121
    Link to Paper Search Results by DOI
  41. Determination of spin Hamiltonian in the Ni4 magnetic molecule, Phys. Rev. B, 86, 64422, 2012
  42. Non-Kramers doublet and phase transitions in Pr 1-2-20 system, Kotai Butsuri, 47(11), 565, 2012
  43. Pressure effect on the ferromagnetism of an off-center rattling system Eu8Ga16Ge30, J. Phys.: Conf. Ser., 391, 12075, 2012
  44. T-H Phase Diagram of PrPb3 in [001] and [110] Magnetic Field Directions, J. Phys.: Conf. Ser., 391, 12060, 2012
  45. Nonmagnetic Γ3 doublet ground state in a caged compound PrRh2Zn20, J. Phys.: Conf. Ser., 391, 12051, 2012
  46. 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
  47. 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
  48. 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
  49. 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
  50. 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
  51. 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
  52. 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
  53. 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
  54. Electrical properties of Ba3C60 collapsed under high-pressure and high-temperature conditions, CARBON, 73, 125-131, 201407
    Link to Paper Search Results by DOI
  55. Thermoelectric properties in Mn-doped Bi2Se3, CURRENT APPLIED PHYSICS, 14(8), 1041-1044, 201408
    Link to Paper Search Results by DOI
  56. ★, 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
  57. Thermoelectric properties of Mn-doped Mg-Sb single crystals, JOURNAL OF MATERIALS CHEMISTRY A, 2(31), 12311-12316, 2014
  58. Magnetic properties of the tetragonal compounds CeB2C2 and PrB2C2, Journal of Magnetism and Magnetic Materials, 221, 293-300, 20000401
  59. Long Periodic Magnetic Structure in CeB2C2, Journal of the Physical Society of Japan, 72, 3303-3304, 20030401
  60. La Substitution Effect on Superconducting Transition and Doublet Ground State in PrIr2Zn20, JPS Conf. Proc., 3, 011039-1-011039-5, 201406
  61. Suppression of Superconductivity in PrRh2Zn20 by the Substitution of Co for Rh, JPS Conf. Proc., 3, 011042-1-011042-6, 201406
  62. High-Sensitive Measurements of Magnetization in PrPb3 with SQUID Magnetometer, JPS Conf. Proc., 3, 011052-1-011052-5, 201406
  63. Atomic Dynamics and Structural Transitions in Caged Compounds RRu2Zn20 (R = La and Pr), JPS Conf. Proc., 3, 011068-1-011068-5, 201406
  64. Anomalous Enhancement of Seebeck Coefficient in PrIr2Zn20, JPS Conf. Proc., 3, 011091-1-011091-5, 201406
  65. Release of the Magnetic Frustration in a Quasi-Kagome Antiferromagnet YbAgGe by Au Substitution, JPS Conf. Proc., 3, 014005-1-014005-5, 201406
  66. 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
  67. Thermoelectric properties of Mg3Sb2-xBix single crystals grown by Bridgman method, Mater. Res. Express, 2, 55903, 20150527
  68. 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
  69. 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
  70. Competition between Quadrupole and Magnetic Kondo Effects in Non-Kramers Doublet Systems, Journal of Physics: Conference Series, 592, 012099-1-012099-10, 20150318
  71. 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
  72. Raman scattering study of lattice dynamics in caged compounds, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 80, 201107
  73. NMR studies of Ba8Ga16Sn30 clathrates, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 80, 201107
  74. 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
  75. Low-energy optical phonon modes in the caged compound LaRu2Zn20, PHYSICAL REVIEW B, 93(6), 20160209
    Link to Paper Search Results by DOI
  76. 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
  77. 25pPSA-62 Neutron scattering study of single-crystalline Ce^<11>B_2C_2, Meeting abstracts of the Physical Society of Japan, 54(2), 19990903
  78. 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
  79. 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
  80. Non-Fermi Liquid Properties in a Cubic Pr-Based Compound PrPb3 under Magnetic Fields, J. Phys.: Conf. Ser., 683, 012031-1-012031-6, 20160205
  81. Effect of Ga Substitution on the Gamma3 Doublet Ground State in PrIr2Zn20, J. Phys.: Conf. Ser., 683, 012011-1-012011-7, 20160205
  82. Common Anomalies of Transport Properties in PrTr2Zn20 (Tr=Ir, Rh) with Non-Kramers Doublet Ground State, Physics Procedia, 75, 529-536, 20151201
  83. Ferromagnetic transition in a caged compound NdOs2Zn20, Physics Procedia, 75, 511-515, 20151201
  84. ★, 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
  85. 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
  86. 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
  87. 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
  88. 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
  89. 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
  90. 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
  91. 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
  92. 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
  93. Ferromagnetism in a hexagonal PrRh3 with 4f(2) configuration, PHYSICA B-CONDENSED MATTER, 536, 439-441, 20180501
    Link to Paper Search Results by DOI
  94. Antiferro-multipole Ordered State Associated with 4f 2 Configuration in PrIr2Zn20, 27(4), 144-147, 20171110
  95. 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
  96. Metamagnetic crossover in the quasikagome Ising Kondo-lattice compound CeIrSn, PHYSICAL REVIEW B, 98(15), 20181029
    Link to Paper Search Results by DOI
  97. 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
  98. 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
  99. 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
  100. Highly anisotropic strain dependencies in PrIr2Zn20, PHYSICAL REVIEW B, 99(8), 20190222
    Link to Paper Search Results by DOI
  101. 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
  102. 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
  103. Magnetic field effects on the specific heat of a diluted Pr system Y1-xPrxIr2Zn20, AIP ADVANCES, 8(10), 2018
  104. 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
  105. Giant uniaxial anisotropy in the magnetic and transport properties of CePd5Al2, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 77(7), 2008
  106. Thermoelectric and Magnetic Properties of a Narrow-Gap Semiconductor FeGa3, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 78(1), 2009
  107. Magnetocrystalline Anisotropy and Crystal Fields in the Weak-Ferromagnet Ce4Ni3Pb4, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 78(2), 2009
  108. 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
  109. New Phase Diagram of PrPb3 in [100] Magnetic Filed Direction, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 79(9), 2010
  110. 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
  111. 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
  112. NMR Evidence of Freezing of Rattling Motion in LaIr2Zn20 and LaRu2Zn20, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 81(2), 2012
  113. 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
  114. 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
  115. Antiferroquadrupolar ordering and magnetic-field-induced phase transition in the cage compound PrRh2Zn20, PHYSICAL REVIEW B, 87(20), 2013
  116. Anisotropic c-f hybridization in the Kondo semiconductor CeFe2Al10, JOURNAL OF THE KOREAN PHYSICAL SOCIETY, 63(3), 508-511, 2013
  117. 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
  118. Weak Ferromagnetism below 41K and Structural Transition at 395K in CeIr3B2 Single Crystal, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 82(10), 2013
  119. Simultaneous Pressure-Induced Magnetic and Valence Transitions in Type-I Clathrate Eu8Ga16Ge30, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 83(1), 2014
  120. Electrical properties of Ba3C60 collapsed under high-pressure and high-temperature conditions, CARBON, 73, 125-131, 2014
  121. Effect of La Substitution in PrIr2Zn20 on the Superconductivity and Antiferro-Quadrupole Order, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 84(6), 2015
  122. Anisotropic Thermopower of the Antiferromagnetic Kondo Semiconductor CeOs2Al10 Doped with 5d Electrons and Holes, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 84(8), 2015
  123. Thermoelectric properties of Mg3Sb2-xBix single crystals grown by Bridgman method, MATERIALS RESEARCH EXPRESS, 2(5), 2015
  124. 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
  125. Anisotropic B-T Phase Diagram of Non-Kramers System PrRh2Zn20, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 86(4), 2017
  126. Competing Magnetic Interactions in the Kramers Doublet System NdIr2Zn20, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 86(5), 2017
  127. 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
  128. Evidence for antiferromagnetic-type ordering of f-Eelectron multipoles in PrIr2Zn20, PHYSICAL REVIEW B, 95(15), 2017
  129. 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
  130. 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
  131. 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
  132. 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
  133. Non-Kramers Gamma3 doublet ground state in a diluted Pr system Y1-xPrxCo2Zn20, JPS Conf. Proc., 29, 015001/1-015001/6, 20200213
  134. 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
  135. Logarithmic Elastic Response in the Dilute non-Kramers System Y1-xPrxIr2Zn20, JPS Conf. Proc., 29, 015002/1-015002/9, 20200213
  136. Substitution Effect on the Metamagnetic Crossover in the Super-Heavy Fermion Compound YbCo2Zn20, JPS Conf. Proc., 30, 011121/1-011121/4, 20200319
  137. Collapse of Ferroquadrupolar Order and Emergence of Non-Fermi Liquid Behavior in La1-xPrxTi2Al20, JPS Conf. Proc., 30, 011159/1-011159/5, 20200319
  138. Crystal electric field response in elastic modulus without rattling effect in the cage compound NdCo2Zn20, JPS Conf. Proc., 30, 011162/1-011162/5, 20200319
  139. Effects of Magnetic Field on the Nonmagnetic Doublet Ground State in PrMgNi4, JPS Conf. Proc., 30, 011160/1-011160/6, 20200319
  140. Magnetic Properties of Rare-Earth Sulfides RCuS2 (R = Dy, Ho, Er, Tm, and Yb), JPS Conf. Proc., 30, 011167/1-011167/6, 20200319
  141. Fragile superheavy Fermi liquid in YbCo2Zn20, PHYSICAL REVIEW B, 101(24), 20200601
    Link to Paper Search Results by DOI
  142. Magneto-optic effect in amorphous Bi3Fe5O12 waveguides sputtered at room temperature, JAPANESE JOURNAL OF APPLIED PHYSICS, 47(4), 2915-2920, 2008
  143. Neutron Scattering Study of Kondo Lattice Antiferromagnet YbNiSi3, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 77(12), 2008
  144. Thermoelectric and Magnetic Properties of a Narrow-Gap Semiconductor FeGa3, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 78(1), 2009
  145. New Phase Diagram of PrPb3 in [100] Magnetic Filed Direction, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 79(9), 2010
  146. 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
  147. NMR Evidence of Freezing of Rattling Motion in LaIr2Zn20 and LaRu2Zn20, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 81(2), 2012
  148. 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
  149. 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
  150. Antiferroquadrupolar ordering and magnetic-field-induced phase transition in the cage compound PrRh2Zn20, PHYSICAL REVIEW B, 87(20), 2013
  151. Anisotropic c-f hybridization in the Kondo semiconductor CeFe2Al10, JOURNAL OF THE KOREAN PHYSICAL SOCIETY, 63(3), 508-511, 2013
  152. 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
  153. Weak Ferromagnetism below 41K and Structural Transition at 395K in CeIr3B2 Single Crystal, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 82(10), 2013
  154. Simultaneous Pressure-Induced Magnetic and Valence Transitions in Type-I Clathrate Eu8Ga16Ge30, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 83(1), 2014
  155. Electrical properties of Ba3C60 collapsed under high-pressure and high-temperature conditions, CARBON, 73, 125-131, 2014
  156. Anisotropic Thermopower of the Antiferromagnetic Kondo Semiconductor CeOs2Al10 Doped with 5d Electrons and Holes, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 84(8), 2015
  157. Thermoelectric properties of Mg3Sb2-xBix single crystals grown by Bridgman method, MATERIALS RESEARCH EXPRESS, 2(5), 2015
  158. 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
  159. 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
  160. Anisotropic B-T Phase Diagram of Non-Kramers System PrRh2Zn20, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 86(4), 2017
  161. Competing Magnetic Interactions in the Kramers Doublet System NdIr2Zn20, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 86(5), 2017
  162. 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
  163. Simultaneous collapse of antiferroquadrupolar order and superconductivity in PrIr2Zn20 by nonhydrostatic pressure, Phys. Rev. B, 102, 094505/1-094505/5, 20200908
  164. ★, 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. 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)
  2. 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
  3. 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
  4. A variety of phenomena in non-Kramers doublet ground states, T. Onimaru, International workshop ECMP2018, 2018/03/05, Without Invitation, English
  5. 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
  6. Quadrupole-driven exotic phenomena in non-Kramers doublet systems, T. Onimaru, 13th German-Japanese symposium, 2016/09/27, With Invitation, English, Sappro, Hokkaido
  7. 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
  8. 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
  9. 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
  10. 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
  11. 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
  12. 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
  13. 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
  14. Incommensurate quadrupolar structure in the rare-earth compound, PrPb3, T. Onimaru, Aperiodic 2006, 2006/09, With Invitation, English
  15. 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)
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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