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Author

  • Jun Akimitsu
2020

Superconducting behavior of a new metal iridate compound, SrIr2, under pressure

Yang, X., Li, H., He, T., Taguchi, T., Wang, Y., Goto, H., Eguchi, R., Horie, R., Horigane, K., Kobayashi, K., Akimitsu, J., Ishii, H., Liao, Y. F., Yamaoka, H. & Kubozono, Y., Jan 1 2020, In : Journal of Physics Condensed Matter. 32, 2, 025704.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Superconductivity in 5d transition metal Laves phase SrIr2

Horie, R., Horigane, K., Nishiyama, S., Akimitsu, M., Kobayashi, K., Onari, S., Kambe, T., Kubozono, Y. & Akimitsu, J., Apr 24 2020, In : Journal of Physics Condensed Matter. 32, 17, 175703.

Research output: Contribution to journalArticle

Synthesis and physical properties of the new iridium oxyfluoride S r2Ir(O, F)6-δ using a topochemical reaction method

Kuramochi, K., Shimano, T., Nishio, T., Okabe, H., Koda, A., Horigane, K., Akimitsu, J. & Ogino, H., Jan 22 2020, In : Physical Review Materials. 4, 1, 013403.

Research output: Contribution to journalArticle

2019

Anomalous spiked structures in ESR signals from the chiral helimagnet CrNb3 S6

Yoshizawa, D., Sawada, Y., Kousaka, Y., Kishine, J. I., Togawa, Y., Mito, M., Inoue, K., Akimitsu, J., Nakano, T., Nozue, Y. & Hagiwara, M., Sep 9 2019, In : Physical Review B. 100, 10, 104413.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Anomalous Temperature Behavior of the Chiral Spin Helix in CrNb3 S6 Thin Lamellae

Togawa, Y., Kishine, J., Nosov, P. A., Koyama, T., Paterson, G. W., McVitie, S., Kousaka, Y., Akimitsu, J., Ogata, M. & Ovchinnikov, A. S., Jan 9 2019, In : Physical Review Letters. 122, 1, 017204.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Fermi level tuning of Ag-doped Bi 2 Se 3 topological insulator

Uesugi, E., Uchiyama, T., Goto, H., Ota, H., Ueno, T., Fujiwara, H., Terashima, K., Yokoya, T., Matsui, F., Akimitsu, J., Kobayashi, K. & Kubozono, Y., Mar 29 2019, In : Scientific reports. 9, 1, p. 5376 5376.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Observation of orbital angular momentum in the chiral magnet CrNb3 S6 by soft x-ray magnetic circular dichroism

Mito, M., Ohsumi, H., Shishidou, T., Kuroda, F., Weinert, M., Tsuruta, K., Kotani, Y., Nakamura, T., Togawa, Y., Kishine, J., Kousaka, Y., Akimitsu, J. & Inoue, K., May 29 2019, In : Physical Review B. 99, 17, 174439.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Pressure-induced superconductivity in B i2-x S bx T e3-y S ey

He, T., Yang, X., Taguchi, T., Ueno, T., Kobayashi, K., Akimitsu, J., Yamaoka, H., Ishii, H., Liao, Y. F., Ota, H., Goto, H., Eguchi, R., Terashima, K., Yokoya, T., Jeschke, H. O., Wu, X. & Kubozono, Y., Sep 19 2019, In : Physical Review B. 100, 9, 094525.

Research output: Contribution to journalArticle

Superconductivity of carbides

Kobayashi, K., Horigane, K., Horie, R. & Akimitsu, J., Mar 26 2019, Physics and Chemistry of Carbon-Based Materials: Basics and Applications. Springer Singapore, p. 149-209 61 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Surface-size and shape dependencies of change in chiral soliton number in submillimeter-scale crystals of chiral magnet CrNb3S6

Ohkuma, M., Mito, M., Nakamura, N., Tsuruta, K., Ohe, J., Shinozaki, M., Kato, Y., Kishine, J., Kousaka, Y., Akimitsu, J. & Inoue, K., Jul 1 2019, In : AIP Advances. 9, 7, 075212.

Research output: Contribution to journalArticle

Open Access
1 Citation (Scopus)

Towards higher-Tc superconductors

Akimitsu, J., Jan 1 2019, In : Proceedings of the Japan Academy Series B: Physical and Biological Sciences. 95, 7, p. 321-342 22 p.

Research output: Contribution to journalReview article

Open Access
2018

Determination of the local structure of Sr2-xMxIrO4 (M = K, La) as a function of doping and temperature

Terashima, K., Paris, E., Salas-Colera, E., Simonelli, L., Joseph, B., Wakita, T., Horigane, K., Fujii, M., Kobayashi, K., Horie, R., Akimitsu, J., Muraoka, Y., Yokoya, T. & Saini, N. L., Jan 1 2018, In : Physical Chemistry Chemical Physics. 20, 36, p. 23783-23788 6 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Effects of dynamic stress in magnetic superlattice of a monoaxial chiral magnet Cr1/3NbS2

Tsuruta, K., Mito, M., Togawa, Y., Kousaka, Y., Akimitsu, J. & Inoue, K., Apr 19 2018, In : Journal of Physics: Conference Series. 969, 1, 012132.

Research output: Contribution to journalConference article

7 Citations (Scopus)

Geometrical protection of topological magnetic solitons in microprocessed chiral magnets

Mito, M., Ohsumi, H., Tsuruta, K., Kotani, Y., Nakamura, T., Togawa, Y., Shinozaki, M., Kato, Y., Kishine, J. I., Ohe, J. I., Kousaka, Y., Akimitsu, J. & Inoue, K., Jan 9 2018, In : Physical Review B. 97, 2, 024408.

Research output: Contribution to journalArticle

10 Citations (Scopus)

Magnetic phase diagram of S r2-x L axIr O4 synthesized by mechanical alloying

Horigane, K., Fujii, M., Okabe, H., Kobayashi, K., Horie, R., Ishii, H., Liao, Y. F., Kubozono, Y., Koda, A., Kadono, R. & Akimitsu, J., Feb 28 2018, In : Physical Review B. 97, 6, 064425.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Neutron diffraction study of antiferromagnetic ErNi3Ga9 in magnetic fields

Ninomiya, H., Sato, T., Matsumoto, Y., Moyoshi, T., Nakao, A., Ohishi, K., Kousaka, Y., Akimitsu, J., Inoue, K. & Ohara, S., May 1 2018, In : Physica B: Condensed Matter. 536, p. 392-396 5 p.

Research output: Contribution to journalArticle

Nonlinear magnetic responses at the phase boundaries around helimagnetic and skyrmion lattice phases in MnSi: Evaluation of robustness of noncollinear spin texture

Tsuruta, K., Mito, M., Deguchi, H., Kishine, J., Kousaka, Y., Akimitsu, J. & Inoue, K., Mar 13 2018, In : Physical Review B. 97, 9, 094411.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Pressure-induced superconductivity in AgxBi2-xSe3

He, T., Yang, X., Terao, T., Uchiyama, T., Ueno, T., Kobayashi, K., Akimitsu, J., Miyazaki, T., Nishioka, T., Kimura, K., Hayashi, K., Happo, N., Yamaoka, H., Ishii, H., Liao, Y. F., Ota, H., Goto, H. & Kubozono, Y., Mar 7 2018, In : Physical Review B. 97, 10, 104503.

Research output: Contribution to journalArticle

15 Citations (Scopus)

Unconventional superconductivity in the cage-type compound Sc 5 Rh 6 Sn 18

Bhattacharyya, A., Adroja, D. T., Kase, N., Hillier, A. D., Strydom, A. M. & Akimitsu, J., Jul 18 2018, In : Physical Review B. 98, 2, 024511.

Research output: Contribution to journalArticle

8 Citations (Scopus)

YBa2Cu3O x superconducting nanorods

Rieken, W., Bhargava, A., Horie, R., Akimitsu, J. & Daimon, H., Feb 1 2018, In : Japanese Journal of Applied Physics. 57, 2, 023101.

Research output: Contribution to journalArticle

2017

Collective resonant dynamics of the chiral spin soliton lattice in a monoaxial chiral magnetic crystal

Goncalves, F. J. T., Sogo, T., Shimamoto, Y., Kousaka, Y., Akimitsu, J., Nishihara, S., Inoue, K., Yoshizawa, D., Hagiwara, M., Mito, M., Stamps, R. L., Bostrem, I. G., Sinitsyn, V. E., Ovchinnikov, A. S., Kishine, J. & Togawa, Y., Mar 14 2017, In : Physical Review B. 95, 10, 104415.

Research output: Contribution to journalArticle

18 Citations (Scopus)

Crystal structure and superconducting properties of KSr2Nb3O10

Kawaguchi, T., Horigane, K., Itoh, Y., Kobayashi, K., Horie, R., Kambe, T. & Akimitsu, J., 2017, (Accepted/In press) In : Physica B: Condensed Matter.

Research output: Contribution to journalArticle

Evolution of the remnant Fermi-surface state in the lightly doped correlated spin-orbit insulator Sr2-xLaxIrO4

Terashima, K., Sunagawa, M., Fujiwara, H., Fukura, T., Fujii, M., Okada, K., Horigane, K., Kobayashi, K., Horie, R., Akimitsu, J., Golias, E., Marchenko, D., Varykhalov, A., Saini, N. L., Wakita, T., Muraoka, Y. & Yokoya, T., Jul 7 2017, In : Physical Review B. 96, 4, 041106.

Research output: Contribution to journalArticle

12 Citations (Scopus)

Magnetic solitons and magnetic phase diagram of the hexagonal chiral crystal CrNb3 S6 in oblique magnetic fields

Yonemura, J. I., Shimamoto, Y., Kida, T., Yoshizawa, D., Kousaka, Y., Nishihara, S., Goncalves, F. J. T., Akimitsu, J., Inoue, K., Hagiwara, M. & Togawa, Y., Nov 20 2017, In : Physical Review B. 96, 18, 184423.

Research output: Contribution to journalArticle

13 Citations (Scopus)

Magneto-chiral dichroism of CsCuCl3

Nakagawa, N., Abe, N., Toyoda, S., Kimura, S., Zaccaro, J., Gautier-Luneau, I., Luneau, D., Kousaka, Y., Sera, A., Sera, M., Inoue, K., Akimitsu, J., Tokunaga, Y. & Arima, T., Sep 1 2017, In : Physical Review B. 96, 12, 121102.

Research output: Contribution to journalArticle

8 Citations (Scopus)

Monochiral helimagnetism in homochiral crystals of CsCuCl3

Kousaka, Y., Koyama, T., Ohishi, K., Kakurai, K., Hutanu, V., Ohsumi, H., Arima, T., Tokuda, A., Suzuki, M., Kawamura, N., Nakao, A., Hanashima, T., Suzuki, J., Campo, J., Miyamoto, Y., Sera, A., Inoue, K. & Akimitsu, J., Dec 12 2017, In : Physical Review Materials. 1, 7, 071402.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Pressure-induced quantum phase transitions in the S= 12 triangular lattice antiferromagnet CsCuCl3

Sera, A., Kousaka, Y., Akimitsu, J., Sera, M. & Inoue, K., Jul 14 2017, In : Physical Review B. 96, 1, 014419.

Research output: Contribution to journalArticle

4 Citations (Scopus)

The electronic structure of Ag1-: XSn1+ xSe2 (x = 0.0, 0.1, 0.2, 0.25 and 1.0)

Wakita, T., Paris, E., Kobayashi, K., Terashima, K., Hacisalihoǧlu, M. Y., Ueno, T., Bondino, F., Magnano, E., Píš, I., Olivi, L., Akimitsu, J., Muraoka, Y., Yokoya, T. & Saini, N. L., 2017, In : Physical Chemistry Chemical Physics. 19, 39, p. 26672-26678 7 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Unusual upper critical field behavior in Nb-doped bismuth selenides

Kobayashi, K., Ueno, T., Fujiwara, H., Yokoya, T. & Akimitsu, J., May 16 2017, In : Physical Review B. 95, 18, 180503.

Research output: Contribution to journalArticle

8 Citations (Scopus)
2016

Chiral Surface Twists and Skyrmion Stability in Nanolayers of Cubic Helimagnets

Leonov, A. O., Togawa, Y., Monchesky, T. L., Bogdanov, A. N., Kishine, J., Kousaka, Y., Miyagawa, M., Koyama, T., Akimitsu, J., Koyama, T., Harada, K., Mori, S., McGrouther, D., Lamb, R., Krajnak, M., McVitie, S., Stamps, R. L. & Inoue, K., Aug 15 2016, In : Physical Review Letters. 117, 8, 087202.

Research output: Contribution to journalArticle

56 Citations (Scopus)

Crystal and magnetic structures of Cr1/3NbSe2 from neutron diffraction

Gubkin, A. F., Proskurina, E. P., Kousaka, Y., Sherokalova, E. M., Selezneva, N. V., Miao, P., Lee, S., Zhang, J., Ishikawa, Y., Torii, S., Kamiyama, T., Campo, J., Akimitsu, J. & Baranov, N. V., Jan 7 2016, In : Journal of Applied Physics. 119, 1, 013903.

Research output: Contribution to journalArticle

Discrete Change in Magnetization by Chiral Soliton Lattice Formation in the Chiral Magnet Cr1/3NbS2

Tsuruta, K., Mito, M., Kousaka, Y., Akimitsu, J., Kishine, J. I., Togawa, Y., Ohsumi, H. & Inoue, K., Jan 15 2016, In : Journal of the Physical Society of Japan. 85, 1, 013707.

Research output: Contribution to journalArticle

23 Citations (Scopus)

Long Periodic Helimagnetic Ordering in CrM 3S6 (M = Nb and Ta)

Kousaka, Y., Ogura, T., Zhang, J., Miao, P., Lee, S., Torii, S., Kamiyama, T., Campo, J., Inoue, K. & Akimitsu, J., Oct 10 2016, In : Journal of Physics: Conference Series. 746, 1, 012061.

Research output: Contribution to journalConference article

1 Citation (Scopus)

Phase diagram of the chiral magnet Cr1/3NbS2 in a magnetic field

Tsuruta, K., Mito, M., Deguchi, H., Kishine, J., Kousaka, Y., Akimitsu, J. & Inoue, K., Mar 1 2016, In : Physical Review B - Condensed Matter and Materials Physics. 93, 10, 104402.

Research output: Contribution to journalArticle

27 Citations (Scopus)

S= 12 triangular-lattice antiferromagnets Ba3CoSb2O9 and CsCuCl3: Role of spin-orbit coupling, crystalline electric field effect, and Dzyaloshinskii-Moriya interaction

Sera, A., Kousaka, Y., Akimitsu, J., Sera, M., Kawamata, T., Koike, Y. & Inoue, K., Dec 8 2016, In : Physical Review B. 94, 21, 214408.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Single-crystal growth of Ba1-xKxFe2As2 by KAs self-flux method

Kihou, K., Saito, T., Fujita, K., Ishida, S., Nakajima, M., Horigane, K., Fukazawa, H., Kohori, Y., Uchida, S. I., Akimitsu, J., Iyo, A., Lee, C. H. & Eisaki, H., Mar 15 2016, In : Journal of the Physical Society of Japan. 85, 3, 034718.

Research output: Contribution to journalArticle

10 Citations (Scopus)

Size dependence of discrete change in magnetization in single crystal of chiral magnet Cr1/3NbS2

Tsuruta, K., Mito, M., Kousaka, Y., Akimitsu, J., Kishine, J., Togawa, Y. & Inoue, K., Oct 14 2016, In : Journal of Applied Physics. 120, 14, 143901.

Research output: Contribution to journalArticle

13 Citations (Scopus)

Spin excitations in hole-overdoped iron-based superconductors

Horigane, K., Kihou, K., Fujita, K., Kajimoto, R., Ikeuchi, K., Ji, S., Akimitsu, J. & Lee, C. H., Sep 12 2016, In : Scientific Reports. 6, 33303.

Research output: Contribution to journalArticle

9 Citations (Scopus)

Suppression of spin-exciton state in hole overdoped iron-based superconductors

Lee, C. H., Kihou, K., Park, J. T., Horigane, K., Fujita, K., Waßer, F., Qureshi, N., Sidis, Y., Akimitsu, J. & Braden, M., Mar 23 2016, In : Scientific Reports. 6, 23424.

Research output: Contribution to journalArticle

12 Citations (Scopus)
2015

Broken time-reversal symmetry probed by muon spin relaxation in the caged type superconductor Lu5Rh6Sn18

Bhattacharyya, A., Adroja, D. T., Quintanilla, J., Hillier, A. D., Kase, N., Strydom, A. M. & Akimitsu, J., Feb 10 2015, In : Physical Review B - Condensed Matter and Materials Physics. 91, 6, 060503.

Research output: Contribution to journalArticle

29 Citations (Scopus)

Investigation of structural changes in chiral magnet Cr1/3NbS2 under application of pressure

Mito, M., Tajiri, T., Tsuruta, K., Deguchi, H., Kishine, J., Inoue, K., Kousaka, Y., Nakao, Y. & Akimitsu, J., May 14 2015, In : Journal of Applied Physics. 117, 18, 183904.

Research output: Contribution to journalArticle

10 Citations (Scopus)

Magnetic Resonance in the Chiral Helimagnet CrNb3S6

Yoshizawa, D., Kishine, J. I., Kousaka, Y., Togawa, Y., Mito, M., Akimitsu, J., Inoue, K. & Hagiwara, M., 2015, In : Unknown Journal. 75, p. 926-931 6 p.

Research output: Contribution to journalArticle

9 Citations (Scopus)

Magnetic soliton confinement and discretization effects arising from macroscopic coherence in a chiral spin soliton lattice

Togawa, Y., Koyama, T., Nishimori, Y., Matsumoto, Y., McVitie, S., McGrouther, D., Stamps, R. L., Kousaka, Y., Akimitsu, J., Nishihara, S., Inoue, K., Bostrem, I. G., Sinitsyn, V. E., Ovchinnikov, A. S. & Kishine, J., Dec 17 2015, In : Physical Review B - Condensed Matter and Materials Physics. 92, 22, 224423.

Research output: Contribution to journalArticle

50 Citations (Scopus)

Metallic Binary Copper Chalcogenides with Orthorhombic Layered Structure

Kobayashi, K., Kawamoto, S. & Akimitsu, J., 2015, Materials Research Society Symposium Proceedings. Materials Research Society, Vol. 1726.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Study of magnetic domain dynamics using nonlinear magnetic responses: Magnetic diagnostics of the itinerant magnet MnP

Mito, M., Matsui, H., Tsuruta, K., Deguchi, H., Kishine, J. I., Inoue, K., Kousaka, Y., Yano, S. I., Nakao, Y. & Akimitsu, J., Oct 15 2015, In : journal of the physical society of japan. 84, 10, 104707.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Superstructure-dependent electronic states in CaAlSi superconductors studied by angle-resolved photoemission spectroscopy

Sato, T., Xiao, Y. X., Souma, S., Nakayama, K., Sugawara, K., Kuroiwa, S., Akimitsu, J. & Takahashi, T., May 11 2015, In : Physical Review B - Condensed Matter and Materials Physics. 91, 19, 195114.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Unconventional superconductivity in Y5 Rh6 Sn18 probed by muon spin relaxation

Bhattacharyya, A., Adroja, D., Kase, N., Hillier, A., Akimitsu, J. & Strydom, A., Aug 19 2015, In : Scientific reports. 5, 12926.

Research output: Contribution to journalArticle

18 Citations (Scopus)
2014

Anomalous local spin susceptibilities in noncentrosymmetric La2 C3 superconductor

Potočnik, A., Jeglič, P., Kobayashi, K., Kawashima, K., Kuchida, S., Akimitsu, J. & Arčon, D., Sep 11 2014, In : Physical Review B - Condensed Matter and Materials Physics. 90, 10, 104507.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Antiferromagnetic transition of the caged compound TmTi2Al20

Kase, N., Shimura, Y., Kittaka, S., Sakakibara, T., Nakatsuji, S., Nakano, T., Takeda, N. & Akimitsu, J., Jan 1 2014, In : Journal of Physics: Conference Series. 592, 1, 012052.

Research output: Contribution to journalConference article

5 Citations (Scopus)