Publications

2024

59.  Quantum spin state stabilized by coupling with classical spins

  H. Yamaguchi, T. Okubo, A. Matsuo, T. Kawakami, Y. Iwasaki, T. Takahashi, Y. Hosokoshi, and K. Kindo 

 Phys. Rev. B 109, L100404 (2024)

58. Magnetic properties of  a spin-1/2 octagonal lattice

   S. Morota, T. Kida, M. Hagiwara, Y. Shimura, Y. Iwasaki, and H. Yamaguchi 

 Phys. Rev. B  109, 054401 (2024)


2023

57. Quantum gapped state in a spin-1/2 distorted honeycomb-based lattice with frustration

   H. Yamaguchi, S. Morota, T. Kida, S. Shimono, K. Araki, Y. Iwasaki, Y. Hosokoshi, and M. Hagiwara 

  Phys. Rev. Mater.  7, 104403 (2023)

56. Field-induced quantum phase in a frustrated zigzag-square lattice

   H. Yamaguchi, K. Shimamura, Y. Yoshida, A. Matsuo, K. Kindo, K. Nakano, S. Morota, Y. Hosokoshi, T. Kida, Y. Iwasaki, S. Shimono, K. Araki, and M. Hagiwara 

  Phys. Rev. Mater.  7, L091401 (2023) 

55. Mixed-spin two-dimensional lattice composed of spins 1/2 and 1 in a radical-Ni complex

   Y. Tominaga, A. Matsuo, K. Kindo, S. Shimono, K. Araki, Y. Iwasaki, Y. Hosokoshi, S. Noguchi, and H. Yamaguchi 

  Phys. Rev. B  108, 024424 (2023) 

54. A ladder-based 2D spin model in a radical-Co complex

    H. Yamaguchi, Y. Tominaga, A. Matsuo, S. Morota, Y. Hosokoshi, M Hagiwara, and K. Kindo 

  Phys. Rev. B  107, 174422 (2023) 

53. Spin-Peierls transition to a Haldane phase

    H. Yamaguchi, H. Takahashi, T. Kawakami, K. Okamoto, T. Sakai, T. Yajima, and Y. Iwasaki 

  Phys. Rev. B 107, L161111 (2023)

52Magnetic anisotropy in a verdazyl-based complex with cobalt(II)

    S. Morota, Y. Iwasaki, M. Hagiwara, Y. Hosokoshi, and H. Yamaguchi 

   J. Phys. Soc. Jpn.  92, 054705 (2023)


2022

51Crystal structures and magnetic properties of verdazyl-based complexes with transition metals

    H. Tsukiyama, S. Morota, S. Shimono, Y. Iwasaki, M. Hagiwara, Y. Hosokoshi, and H. Yamaguchi 

   Phys. Rev. Mater. 6, 094417 (2022)

50Observation of thermodynamics originating from a mixed-spin ferromagnetic chain 

    H. Yamaguchi, S. C. Furuya, S. Morota, S. Shimono, T. Kawakami, Y. Kusanose, Y. Shimura, K. Nakano, Y. Hosokoshi 

   Phys. Rev. B   106, L100404 (2022)


2021年

49Gapped ground state in a spin-1/2 frustrated square lattice 

    H. Yamaguchi, N. Uemoto, T. Okubo, Y. Kono, S. Kittaka, T. Sakakibara, T. Yajima, S. Shimono, Y. Iwasaki, and Y. Hosokoshi 

   Phys. Rev. B  104, L060411 (2021)

48Quantum critical phenomena in a spin-1/2 frustrated square lattice with spatial anisotropy 

    H. Yamaguchi, Y. Iwasaki, Y. Kono, T. Okubo, S. Miyamoto, Y. Hosokoshi, A. Matsuo, T. Sakakibara, T. Kida, and M. Hagiwara 

    Phys. Rev. B 103, L220407 (2021)

47.  Magnetic properties of a mixed spin-(1/2, 5/2) chain in (4-Cl-o-MePy-V)FeCl4 

    H. Yamaguchi, T. Okita, Y. Iwasaki, Y. Kono, Y. Hosokoshi, T. Kida, A. Matsuo, T. Kawakami, and M. Hagiwara 

    J. Phys. Soc. Jpn.  90, 064707 (2021)


2020年

46.  Low-energy magnetic excitations in the mixed spin-(1/2,5/2) chain  

    H. Yamaguchi, Y. Iwasaki, Y. Kono, T. Okita, A. Matsuo, M. Akaki, M. Hagiwara, and Y. Hosokoshi

    Phys. Rev. B 102, 060408(R) (2020) 

45.  Experimental realization of Lieb-Mattis plateau in a quantum spin chain 

    H. Yamaguchi, T. Okita, Y . Iwasaki, Y. Kono, N. Uemoto, Y. Hosokoshi, T. Kida, T. Kawakami, A. Matsuo, and M. Hagiwara

    Sci. Rep. 10, 9193 (2020)

44.  Magnetic properties of a spin-2 antiferromagnet with metal-radical hybrid spins 

    Y . Iwasaki, T. Okabe, N. Uemoto, Y. Kono, Y. Hosokoshi, S. Nakamura, S. Kittaka, T. Sakakibara, M. Hagiwara, T. Kawakami,  and H. Yamaguchi

     Phys. Rev. B 101, 174412 (2020).

43.  Magnetic properties of a spin-1/2 honeycomb lattice antiferromagnet 

    Y . Kono, T. Okabe, N. Uemoto, Y. Iwasaki, Y. Hosokoshi, S. Kittaka, T. Sakakibara, and H. Yamaguchi

     Phys. Rev. B 101, 014437 (2020).


2019年

42.  Emergent critical phenomenon in spin-1/2 ferromagnetic-leg ladders: Quasi-one-dimensional Bose-Einstein condensate

    Y . Kono, S. Kittaka, H. Yamaguchi, Y. Hosokoshi,  and T. Sakakibara

     Phys. Rev. B 100, 054442 (2019).

41.  Magnetic properties of honeycomb-based spin models in verdazyl-based salts

    S. Miyamoto, Y. Iwasaki, N. Uemoto, Y. Hosokoshi, H. Fujiwara, S. Shimono, and H. Yamaguchi

     Phys. Rev. Mater. 3, 064410 (2019)

40.  Magnetic properties of S=1/2 antiferromagnetic alternating chain in a new salt (o-MePy-V)(TCNQ)

     Y. Iwasaki, Y. Sasaki, Y. Hosokoshi, A. Matsuo, K. Kindo, and H. Yamaguchi

     J. Phys. Soc. Jpn.  88, 044709 (2019)

39.  S=1/2 ferromagnetic Heisenberg chain in a verdazyl-based complex

     N. Uemoto, Y. Kono, S. Kittaka, T. Sakakibara, T. Yajima, Y. Iwasaki, S. Miyamoto, Y. Hosokoshi,  and H. Yamaguchi

     Phys. Rev. B 99,  094418 (2019)


2018年

38.  Field-induced quantum magnetism in the verdazyl-based charge-transfer salt [o-MePy-V-(p-Br)2]FeCl4 

       Y. Iwasaki, T. Kida, M. Hagiwara, T. Kawakami, Y. Kono, S. Kittaka, T. Sakakibara, Y. Hosokoshi, and H. Yamaguchi

        Phys. Rev. B 98 (2018) 224411

37.  Field-enhanced quantum fluctuation in an S=1/2 frustrated square lattice 

       H. Yamaguchi, Y. Sasaki, T. Okubo, M. Yoshida, T. Kida, M. Hagiwara, Y. Kono, S. Kittaka, T. Sakakibara, M. Takigawa, Y. Iwasaki, and Y. Hosokoshi

       Phys. Rev. B 98 (2018) 094402

36.  Candidate for a fully frustrated square lattice in a verdazyl-based salt 

       H. Yamaguchi, Y. Tamekuni, Y. Iwasaki, and Y. Hosokoshi

       Phys. Rev. B 97 (2018) 201109(R)   “Editors’ suggestion”

35.  Quasi-one-dimensional Bose-Einstein condensation in the spin-1/2 ferromagnetic-leg ladder 3-I-V 

       Y. Kono, S. Kittaka, H. Yamaguchi, Y. Hosokoshi, and T. Sakakibara

       Phys. Rev. B 97 (2018) 100406(R)

34.  Magnetic-field-induced Quantum Phase in S = 1/2 Frustrated Trellis Lattice 

      H. Yamaguchi, Daichi Yoshizawa, Takanori Kida, Masayuki Hagiwara, Akira Matsuo, Yohei Kono, Toshiro Sakakibara, Yusuke Tamekuni, Hirotsugu Miyagai, and 

      Yuko Hosokoshi

       J.Phys. Soc. Jpn. 87 (2018) 043701

33.  Effective S=2 antiferromagnetic spin chain in the salt (o-MePy-V)FeCl4 

      Y. Iwasaki, T. Kida, M. Hagiwara, T. Kawakami, Y. Hosokoshi, Y. Tamekuni, and H. Yamaguchi

      Phys. Rev. B 97 (2018) 085113


2017年

●  量子スピン系のマテリアルデザイン 

      山口博則

      物性研究・電子版6 (2017) 064216

32.  Randomness-induced quantum spin liquid on honeycomb lattice 

      Hironori Yamaguchi, Masataka Okada, Yohei Kono, Shunichiro Kittaka, Toshiro Sakakibara, Toshiki Okabe, Yoshiki Iwasaki, and Yuko Hosokoshi

      Sci. Rep. 7 (2017) 16144

31.  Three-dimensional Bose-Einstein condensation in the spin-1/2 ferromagnetic-leg ladder 3-Br-4-F-V 

       Yohei Kono, Hironori Yamaguchi, Yuko Hosokoshi, and Toshiro Sakakibara

       Phys. Rev. B 96 (2017) 104439

30.  Magnetic properties of a quasi-two-dimensional S=1/2 Heisenberg antiferromagnet with distorted square lattice 

      Hironori Yamaguchi, Yusuke Tamekuni, Yoshiki Iwasaki, Rei Otsuka, Yuko Hosokoshi, Takanori Kida, and Masayuki Hagiwara

      Phys. Rev. B 95 (2017) 235135

29.  Spin-1/2 Quantum Antiferromagnet on a Three-Dimensional Honeycomb Lattice Formed by a New Organic Biradical F4BIPBNN 

      Naoki Amaya, Toshio Ono, Yuta Oku, Hironori Yamaguchi, Akira Matsuo, Koichi Kindo, Hiroyuki Nojiri, Fernando Palacio, Javier Campo, and Yuko Hosokoshi

       J. Phys. Soc. Jpn. 86 (2017) 074706

28.  Magnetic properties of the S=1/2 honeycomb lattice antiferromagnet 2-Cl-3,6-F2-V 

      Toshiki Okabe, Hironori Yamaguchi, Shunichiro Kittaka, Toshiro Sakakibara, Toshio Ono, and Yuko Hosokoshi 

       Phys. Rev. B 95 (2017) 075120


2016年

27.  Unconventional S=2 alternating chain realized by a metal-radical hybrid-spin approach 

      H. Yamaguchi, Y. Shinpuku, Y. Kono, S. Kittaka, T. Sakakibara, M. Hagiwara, T. Kawakami, K. Iwase, T. Ono, and Y. Hosokoshi 

      Phys. Rev. B 93 (2016) 115145


2015年

26.  Experimental Realization of a Quantum Pentagonal Lattice 

      Hironori Yamaguchi, Tsuyoshi Okubo, Shunichiro Kittaka, Toshiro Sakakibara, Koji Araki, Kenji Iwase, Naoki Amaya, Toshio Ono, and Yuko Hosokoshi 

      Sci. Rep. 5 (2015) 15327

25.  Quantum phase near the saturation field in the S=1/2 frustrated spin ladder 

       H. Yamaguchi, H. Miyagai, Y. Kono, S. Kittaka, T. Sakakibara, K. Iwase, T. Ono, T. Shimokawa, and Y. Hosokoshi 

       Phys. Rev. B 91 (2015) 125104

24.  S=1/2 ferromagnetic-antiferromagnetic alternating Heisenberg chain in a zinc-verdazyl complex 

      Hironori Yamaguchi, Yasuhiro Shinpuku, Tokuro Shimokawa, Kenji Iwase, Toshio Ono, Yohei Kono, Shunichiro Kittaka, Toshiro Sakakibara, and Yuko Hosokoshi 

      Phys. Rev. B 91 (2015) 085117


2014年

23.  Exchange interactions of the chromium spinel oxide HgCr2O4 in high magnetic fields examined by the magnetoelastic theory 

      Shojiro Kimura, Masayuki Hagiwara, Tetsuya Takeuchi, Hironori Yamaguchi, Hiroaki Ueda, and Koichi Kindo 

       J. Phys. Soc. Jpn. 83 (2014) 113709

22.  Electromagnon by chiral spin dynamics in the triangular lattice antiferromagnet 

      S. Kimura, T. Fujita, M. Hagiwara, H. Yamaguchi, T. Kashiwagi, N. Terada, Y. Sawada, and K. Watanabe 

      Phys. Rev. B 90 (2014) 060413(R)

21.  Field-induced Incommensurate Phase in the Strong-Rung Spin Ladder with Ferromagnetic Legs 

      H. Yamaguchi, H. Miyagai, M. Yoshida, M. Takigawa, K. Iwase, T. Ono, N. Kase, K. Araki, S. Kittaka, T. Sakakibara, T. Shimokawa, T. Okubo, K. Okunishi, A. Matsuo, and 

      Y. Hosokoshi 

      Phys. Rev. B 89 (2014) 220402(R)

20.  Fine-Tuning of Magnetic Interactions in Organic Spin Ladders 

      Hironori Yamaguchi, Hirotsugu Miyagai, Tokuro Shimokawa, Kenji Iwase, Toshio Ono, Yohei Kono, Naoki Kase, Koji Araki, Shunichiro Kittaka, Toshiro Sakakibara, 

      Takashi Kawakami, Kouichi Okunishi, and Yuko Hosokoshi 

       J. Phys. Soc. Jpn. 83 (2014) 033707


2013年

19.  Quasi-one-dimensional S=1/2 Heisenberg antiferromagnetic chain consisting of the organic radical p-Br-V 

      Kenji Iwase, Hironori Yamaguchi, Toshio Ono, Yuko Hosokoshi, Tokuro Shimokawa, Yohei Kono, Shunichiro Kittaka, Toshiro Sakakibara, Akira Matsuo, and Koichi Kindo

      Phys. Rev. B 88 (2013) 184431

18.  Various regimes of quantum behavior in S=1/2 Heisenberg antiferromagnetic chain with fourfold periodicity 

      H. Yamaguchi, T. Okubo, K. Iwase, T. Ono, Y. Kono, S. Kittaka, T. Sakakibara, A. Matsuo, K. Kindo, and Y. Hosokoshi

      Phys. Rev. B 88 (2013) 174410

17.  Crystal structure and magnetic properties of a verdazyl biradical m-Ph-V2 forming a ferromagnetic alternating double-chain 

      Kenji Iwase, Hironori Yamaguchi, Toshio Ono, Tokuro Shimokawa, Hiroki Nakano, Akira Matsuo, Koichi Kindo, Hiroyuki Nojiri, and Yuko Hosokoshi 

      J. Phys. Soc. Jpn. 82 (2013) 074719

16.  Unconventional Magnetic and Thermodynamic Properties of S=1/2 Spin Ladder with Ferromagnetic Legs 

      H. Yamaguchi, K. Iwase, T. Ono, T. Shimokawa, H. Nakano, Y. Shimura, N. Kase, S. Kittaka, T. Sakakibara, T. Kawakami, and Y. Hosokoshi 

      Phys. Rev. Lett. 110 (2013) 157205

15.  Two-Dimensional Honeycomb Lattice Consisting of a New Organic Radical 2-Cl-6-F-V

      Hironori Yamaguchi, Asano Toho, Kenji Iwase, Toshio Ono, Takashi Kawakami, Tokuro Shimokawa, Akira Matsuo, and Yuko Hosokoshi 

      J. Phys. Soc. Jpn. 82 (2013) 043713  “Papers of Editors' Choice”

14.  Crystal structure and magnetic properties of honeycomb-like lattice antiferromagnet p-BIP-V2 

      Hironori Yamaguchi, Shintaro Nagata, Masami Tada, Kenji Iwase, Toshio Ono, Sadafumi Nishihara, Yuko Hosokoshi, Tokuro Shimokawa, Hiroki Nakano, Hiroyuki Nojiri, 

      Akira Matsuo, Koichi Kindo, and Takashi Kawakami 

      Phys. Rev. B 87 (2013) 125120


2012年以前

13.   High-field multifrequency ESR in the S=5/2 kagome-lattice antiferromagnet KFe3(OH)6(SO4)2 

       T. Fujita, H. Yamaguchi, S. Kimura, T. Kashiwagi, M. Hagiwara, K. Matan, D. Grohol, D. G. Nocera, and Y. S. Lee 

       Phys. Rev. B 85 (2012) 094409

12.   Multifrequency ESR measurements of the triangular lattice antiferromagnet CuFeO2 in high magnetic fields 

       S. Kimura, T. Fujita, N. Nishihagi, H. Yamaguchi, T. Kashiwagi, and M. Hagiwara 

       Phys. Rev. B 84 (2011) 104449 

11.   Magnetic properties of the quasi-two-dimensional antiferromagnet Ni0.7Al2S3.7 

       T. Higo, R. Ishii, M. C. Menard, J. Y. Chan, H. Yamaguchi, M. Hagiwara, and S. Nakatsuji 

       Phys. Rev. B 84 (2011) 054422

10.  Large change in the exchange interactions of HgCr2O4 under very high magnetic fields

      S. Kimura, M. Hagiwara, T. Takeuchi, H. Yamaguchi, H. Ueda, Y. Ueda, and K. Kindo

      Phys. Rev. B 83 (2011) 214401 

9.  Electron Spin Resonance in the Quasi-Two-Dimensional Triangular-Lattice Antiferromagnet Rb4Mn(MoO4)3 

      H. Yamaguchi, S. Kimura, R. Ishii, S. Nakatsuji, and M. Hagiwara

       J. Phys. Soc. Jpn. 80 (2011) 064705 

8.  Novel Phase Transition Probed by Sound Velocity in Quasi-One-Dimensional Ising-Like Antiferromagnet BaCo2V2O8 

      H. Yamaguchi, S. Yasin, S. Zherlitsyn, K. Omura, S. Kimura, S. Yoshii, K. Okunishi, Z. He, T. Taniyama, M. Itoh, and M. Hagiwara

      J. Phys. Soc. Jpn. 80 (2011) 033701 

7.   New High Magnetic Field Phase of the Frustrated S=1/2 Chain Compound LiCuVO4 

       L. E. Svistov, T. Fujita, H. Yamaguchi, S. Kimura, K. Omura, A. Prokofiev, A. I. Smirnov, Z. Honda, and M. Hagiwara

       JETP Letters 93 (2011) 21 

6.   High Field ESR and Magnetization of the Triangular Lattice Antiferromagnet NiGa2S4 

       H. Yamaguchi, S. Kimura, M. Hagiwara, Y. Nambu, S. Nakatsuji, Y. Maeno, A. Matsuo, and K. Kindo

       J. Phys. Soc. Jpn.79 (2010) 054710 

5.   Spiral-plane flop probed by ESR in the multiferroic triangular-lattice antiferromagnet CuCrO2 

       H. Yamaguchi, S. Ohtomo, S. Kimura, M. Hagiwara, K. Kimura, T. Kimura, T. Okuda, and K. Kindo

       Phys. Rev. B 81 (2010) 033104 

4.  High Field Magnetism of the Spin-Ladder Material Na2Fe2(C2O4)3(H2O)2 

        H. Yamaguchi, S. Kimura, Z. Honda, K. Okunishi, S. Todo, K. Kindo, and M. Hagiwara

        J. Phys. Soc. Jpn. 78 (2009) 124701 

3.  High-field electron spin resonance in the two-dimensional triangular-lattice antiferromagnet NiGa2S4 

        H. Yamaguchi, S. Kimura, M. Hagiwara, Y. Nambu, S. Nakatsuji, Y. Maeno and K. Kindo 

         Phys. Rev. B. 78 (2008) 180404(R)

2.  Field-induced spin-state transition in the perovskite cobalt oxide Sr1-xYxCoO3-δ 

         S. Kimura, Y. Maeda, T. Kashiwagi, H. Yamaguchi, M. Hagiwara, S. Yoshida, I. Terasaki, and K. Kindo

         Phys. Rev. B. 78 (2008) 180403(R)

1.  High Field ESR and Magnetization in Na2Co2(C2O4)3(H2O)2 

         Y. Nakagawa, T. Kashiwagi, H. Yamaguchi, S. Kimura, Z. Honda, K. Yamada, K. Kindo, and M. Hagiwara

         J. Phys. Soc. Jpn 75 (2006) 124708