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I am currently a Special Postdoctoral Researcher in RIKEN Center for Emergent Matter Science (CEMS). My research interest is field-induced properties and novel functionalities in frustrated magnets.

News

  1. 2022.11.24: I made an invited talk at the high-field meeting.

  2. 2022.10.25: Last week, I went to SACLA and performed the pulse high magnetic field X-ray diffraction experiment organized by Ikeda-san in UEC univ. This technique is under development, so that many trial and error were required during the beamtime. Please also take a look at Ikeda-san's blog for a brief report.

  3. 2022.10.24: A paper titled “Dimensional reduction and incommensurate dynamic correlations in the S = 1/2 triangular-lattice antiferromagnet Ca3ReO5Cl2” was published in Nature Communications.
    [Nat. Commun. 13, 6310 (2022).]

  4. 2022.09.27: A preprint titled “Rhombic skyrmion lattice coupled with orthorhombic structural distortion in EuAl4” is now available online.
    [arXiv:2209.12751]

  5. 2022.09.23: A paper titled “Anisotropic magnetotransport properties coupled with spiral spin modulation in a magnetic semimetal EuZnGe” was published in Physical Review Materials.
    [Phys. Rev. Mater. 6, 094410 (2022).]

  6. 2022.09.14: I made an oral presentation at the JPS meeting. I enjoyed the first onsite conference in a long time.

  7. 2022.08.26: A paper titled “Complex magnetic phase diagram with a small phase pocket in a three-dimensional frustrated magnet CuInCr4S8” was published in Physical Review Research.
    [Phys. Rev. Research 4, 033148 (2022).]

  8. 2022.08.03: I have finished my last business trip before the Bon vacation. Since the beginning of April, I have visited SPring-8 twice, Photon Factory twice, and JRR-3 once, and having enjoyed quantum beam science to the fullest. I would like to further improve my skills in crystal structure analysis.

  9. 2022.08.03: I will make a poster presentation at the international meeting LT29 (29th International Conference on Low Temperature Physics) held in Sapporo and online from Aug. 18st to 24st.

  10. 2022.06.09: A paper titled “Enhancement of giant magnetoelectric effect in Ni-doped CaBaCo4O7” was published in Physical Review B. This paper was selected as PRB Editors' Suggestion.
    [Phys. Rev. B 105, 214412 (2022).]

  11. 2022.05.26: The home page has been renewed. I would like to enrich the contents little by little.

  12. 2022.05.21: A paper titled “Nematicity and fractional magnetization plateaus induced by spin-lattice coupling in the classical kagome-lattice Heisenberg antiferromagnet” was published in Physical Review B.
    [Phys. Rev. B 105, 174424 (2022).]

  13. 2022.05.17: A paper titled “Magnetovolume Effect on the First-Order Metamagnetic Transition in UTe2” was published in Journal of the Physical Society of Japan. (2022.05.27 PS: This paper was selected as JPSJ Editors' Choice.)
    [J. Phys. Soc. Jpn. 91, 063703 (2022).]

  14. 2022.05.09: A paper titled “Quantum phase of the chromium spinel oxide HgCr2O4 in high magnetic fields” was published in Physical Review B.
    [Phys. Rev. B 105, L180405 (2022).]

  15. 2022.04.01: I moved to RIKEN Center for Emergent Matter Science (CEMS) and join Strong-correlation Quantum Science Research Team as Special Postdoctoral Researcher.

  16. 2022.03.31: A paper titled “Enhancement of giant magnetoelectric effect in Ni-doped CaBaCo4O7” was submitted.
    [arXiv:2203.16397]

  17. 2022.02.21: A paper titled “Nematicity and fractional magnetization plateaus induced by spin-lattice coupling in the classical kagome-lattice Heisenberg antiferromagnet” was submitted.
    [arXiv:2202.09077]

  18. 2022.01.19: I visited Osaka university from Jan. 11st to 13rd to perform high-presure synthesis at Ishiwata Lab. It was very exciting for me, and fortunately the synthesis was also successful.

  19. 2021.12.21: A paper titled “Physical properties of liquid oxygen under ultrahigh magnetic fields” was published in Physical Review B.
    [Phys. Rev. B 104, 224423 (2021).]

  20. 2021.12.17: A paper titled “Complex magnetic phase diagram with a small phase pocket in a three-dimensional frustrated magnet CuInCr4S8” was submitted. I will make a poster presentation about this work at the meeting ICFTS (The International Conference on Frustration, Topology and Spin Textures) held from Dec. 22nd to 23rd.
    [arXiv:2112.08990]

  21. 2021.11.19: A paper titled “Phase transition in the 5d1 double perovskite Ba2CaReO6 induced by high magnetic field” was published in Physical Review B.
    [Phys. Rev. B 104, 174422 (2021).]

  22. 2021.11.09: A paper titled “Effects of spin-lattice coupling and a magnetic field in classical Heisenberg antiferromagnets on the breathing pyrochlore lattice” was published in Physical Review B.
    [Phys. Rev. B 104, 085206 (2021).]

  23. 2021.09.03: I will make two oral presentations at the next JPS meeting. The topic is the discovery of novel field-induced magnetic phases on the breathing pyrochlore lattice magnets, LiGaCr4O8 and CuInCr4S8.

  24. 2020.10.28: A paper titled “Heavy carrier effective masses in van der Waals semiconductor Sn(SeS) revealed by high magnetic fields up to 150 T” was published in Physical Review B.
    [Phys. Rev. B 104, 085206 (2021).]

  25. 2021.04.01: I moved to Arima-Tokunaga Lab., Department of Advanced Materials Science, University of Tokyo. I will work as a JSPS postdoctoral.

  26. 2021.03.08: A paper titled “Higher magnetic-field generation by a mass-loaded single-turn coil” was published in Review of Scientific Instruments.
    [Rev. Sci. Instrum. 92, 033902 (2021).]

  27. 2021.02.23: I will make an oral presentation at the next JPS meeting. The topic is quantum antiferromagnets on the anisotropic triangular lattice A3ReO5X2.

  28. 2021.02.16: I will join FBG strain gauge meet up (online) and make a short presentation on Feb. 22.

  29. 2021.01.28: I passed the PhD defence today.

  30. 2021.01.14: I will give a talk at the 8th online high-field seminar on Jan. 22 from 11:00 a.m. The topic is “Sucsessive phase transitions on the breathing pyrochlore magmets in high magnetic fields”.

  31. 2020.10.28: A paper titled “Broad tunability of carrier effective masses in two-dimensional halide perovskites” was published in ACS Energy Letter.
    [ACS Energy Lett. 5, 3609 (2020).]

  32. 2020.09.25: I was awarded the Best Student Presentation Award in the area 5 at the JPS 2020 Autumn Meeting.

  33. 2020.08.18: A paper titled “Crystal-field Paschen-Back effect on ruby in ultrahigh magnetic fields” was published in the open access journal Physical Review Research. I will make a poster presentation about this work at the next JPS meeting.
    [Phys. Rev. Research 2, 033257 (2020).]

  34. 2020.04.06: I visited Germany from Mar. 5th to 21st to perform ESR measurement at Dresden High Magnetic Field Laboratory (HZDR). It was my first experience to do experiment in a static magnetic field.

  35. 2020.02.25: A paper titled “Magnetization process of the breathing pyrochlore magnet CuInCr4S8 in ultrahigh magnetic fields up to 150 T” was published in Physical Review B.
    [Phys. Rev. B 101, 054434 (2020).]

  36. 2020.02.21: The science camp was held in Kohama laboratory from Feb. 18th to 21st. We performed high-field experiments with university students.

  37. 2019.11.28: I will make 2 presentations (1 oral, 1 poster) at the high-field meeting held from Dec. 3rd to 5th (@Osaka university).

  38. 2019.10.31: A paper titled “Magnetocaloric effect and spin-strain coupling in the spin-nematic state of LiCuVO4” was published in the open access journal Physical Review Research.
    [Phys. Rev. Research 1, 033065 (2019).]

  39. 2019.10.16: This website is opened.