Daisuke Morikawa

 

ORCID: https://orcid.org/0000-0001-8110-7499

ReseacherID: https://publons.com/researcher/1374514/daisuke-morikawa/

Research map: https://researchmap.jp/daisuke_morikawa

 

Research Interests:

Transmission electron microscopy (TEM), electron diffraction, crystal structure analysis, ferroelectricity

 

Research Experience:

2018.4-Present       Assistant Professor, IMRAM, Tohoku University, Sendai, Japan

2017.8-2018.3       Postdoctoral Researcher, Humboldt-Universität zu Berlin Institut für Physik, Berlin, Germany

2012.4-2017.3       Postdoctoral Researcher, RIKEN Center for Emergent Matter Science, Saitama, Japan

 

Educational Qualification:

2009.4-2012.3       Ph. D. in Physics, Tohoku University (SV; Prof. Masami Terauchi)

2007.4-2009.3       M. S. in Physics, Tohoku University (SV; Prof. Masami Terauchi)

2003.4-2007.3       B. S. in Physics, Tohoku University (SV; Prof. Masami Terauchi)

 

Awards:

2022　　Incentive Award of the Japanese Society of Microscopy (The Japanese Society of Microscopy)

2022       Young Scientist Award of the Physical Society of Japan (The Physical Society of Japan)

2015       NIMS conference 2015 Poster award (NIMS conference 2015, Tsukuba, Japan)

2010       AsCA Rising Stars Prize (Asian Crystallographic Association AsCA2010, Busan, Korea)

 

Membership:        The Physical Society of Japan, The Japanese Society of Microscopy, The Crystallographic Society of Japan

 

Publications: (As of Nov. 2022)

[1].         M. Adachi, S. Hamaya, D. Morikawa, B. G. Pierce, A. M. Karimi, Y. Yamagata, K. Tsuda, R. H. French, H. Fukuyama, “Temperature dependence of crystal growth behavior of AlN on Ni–Al using electromagnetic levitation and computer vision technique”, Mater. Sci. Semicond. Process. 153, 107167 (2023).

[2].         V. Ukleev, D. Morikawa, K. Karube, A. Kikkawa, K. Shibata, Y. Taguchi, Y. Tokura, T. Arima, and J. S. White, “Topological Melting of the Metastable Skyrmion Lattice in the Chiral Magnet Co9Zn9Mn2”, Adv. Quantum Technol. 2200066 (2022).

[3].         Md S. Islam, D. Morikawa, S. Yamada, B. Aryal, K. Tsuda, and M. Terauchi, “Space group determination and first-principles structure optimization of the A-site ordered perovskite-type manganite NdBaMn2O6”, Phys. Rev. B 105, 174114 (2022).

[4].         Y. Imai, K. Nawa, Y. Shimizu, W. Yamada, H. Fujihara, T. Aoyama, R. Takahashi, D. Okuyama, T. Ohashi, M. Hagihala, S. Torii, D. Morikawa, M. Terauchi, T. Kawamata, M. Kato, H. Gotou, M. Itoh, T. J. Sato, and K. Ohgushi, “Zigzag magnetic order in the Kitaev spin-liquid candidate material RuBr3 with a honeycomb lattice”, Phys. Rev. B 105, L041112 (2022).

[5].         A. Yogi, A. Yaresko,C. I. Sathish, H. Sim, D. Morikawa, J. Nuss, K. Tsuda, Y. Noda, D. I. Khomskii, J. Park, “Coexisting Z-type charge and bond order in metallic NaRu2O4”, Commun. Mater. 3:3 (2022).

[6].         D. Morikawa, and K. Tsuda, “Electric-field response of polar nanodomains in BaTiO3”, Appl. Phys. Lett. 119, 052904 (2021).

[7].         B. Aryal, D. Morikawa, K. Tsuda, and M. Terauchi, “Improvement of precision in refinements of structure factors using convergent-beam electron diffraction patterns taken at Bragg-excited conditions”, Acta Cryst. A 77, 289-295 (2021).

[8].         V. Ukleev, K. Karube, P. M. Derlet, C. N. Wang, H. Luetkens, D. Morikawa, A. Kikkawa, L. Mangin-Thro, A. R. Wildes, Y. Yamasaki, Y. Yokoyama, L.Yu, C. Piamonteze, N. Jaouen, Y. Tokunaga, H. M. Rønnow, T. Arima, Y. Tokura, Y. Taguchi, and J. S. White, “Frustration-driven magnetic fluctuations as the origin of the low-temperature skyrmion phase in Co7Zn7Mn6”, npj Quantum Mater. 6 40 (2021).

[9].         D. Morikawa, and K. Tsuda, “Local crystal symmetry and structure at CaTiO3 twin boundaries”, Appl. Phys. Lett. 118, 092901 (2021).

[10].      D. Morikawa, M. Ageishi, K. Sato, K. Tsuda, and M. Terauchi, “Evaluation of TEM Specimen Quality Prepared by Focused-Ion-Beam Using Symmetry Breaking Index of Convergent-Beam Electron Diffraction”, Microscopy, 70, 394 (2021).

[11].      D. Morikawa, and K. Tsuda, “Evaluation of accuracy in the determination of crystal structure factors using large-angle convergent-beam electron diffraction patterns”, Microscopy, 70, 178 (2021).

[12].      T. Hayashida, Y. Uemura, K. Kimura, S. Matsuoka, D. Morikawa, S. Hirose, K. Tsuda, T. Hasegawa, and T. Kimura, “Visualization of ferroaxial domains in an order-disorder type ferroaxial crystal”, Nature commun. 11, 4582 (2020).

[13].      F. Labib, D. Okuyama, N. Fujita, T. Yamada, S. Ohhashi, D. Morikawa, K. Tsuda, T. Sato, and AP. Tsai, “Structural-transition-driven antiferromagnetic to spin-glass transition in Cd-Mg-Tb 1/1 approximants”, J. Phys. Condens. Matter. doi: 10.1088/1361-648X/aba921 (2020).

[14].      Y. Araki, T. Sato, Y. Fujima, N. Abe, M. Tokunaga, S. Kimura, D. Morikawa, V. Ukleev, Y. Yamasaki, C. Tabata, H. Nakao, Y. Murakami, H. Sagayama, K. Ohishi, Y. Tokunaga, and T. Arima, “Metamagnetic transitions and magnetoelectric responses in a chiral polar helimagnet Ni2InSbO6”, Phys. Rev. B 102, 54409, (2020).

[15].      X. Z. Yu, D. Morikawa, K. Nakajima, K. Shibata, N. Kanazawa, T. Arima, N. Nagaosa, and Y. Tokura, “Motion tracking of 80-nm-size skyrmions upon directional current injections”, Sci. Adv. 6, eaaz9744 (2020).

[16].      N. Ishigaki, K. Kataoka, D. Morikawa, M. Terauchi, K. Hayamizu, and J. Akimoto, “Structural and Li-ion diffusion properties of lithium tantalum phosphate LiTa2PO8”, Solid State Ionics 351, 115314 (2020).

[17].      D. Morikawa, Y. Yamasaki, N. Kanazawa, T. Yokouchi, Y. Tokura, and T. Arima, “Determination of crystallographic chirality of MnSi thin film grown on Si (111) substrate”, Phys. Rev. Mater. 4, 014407 (2020).

[18].      B. Aryal, D. Morikawa, K. Tsuda, S. Tsukada, Y. Akishige, and M. Terauchi, “Electron diffraction study of crystal structures of (Sr1−xBax)2Nb2O7”, Phys. Rev. Mater. 3, 044405 (2019).

[19].      V. Ukleev, Y. Yamasaki, D. Morikawa, K. Karube, K. Shibata, Y. Tokunaga, Y. Okamura, K. Amemiya, M. Valvidares, H. Nakao, Y. Taguchi, Y. Tokura, and T. Arima, “Element-specific soft x-ray spectroscopy, scattering, and imaging studies of the skyrmion-hosting compound Co8Zn8Mn4”, Phys. Rev. B 99, 144408 (2019).

[20].      K. Karube, J. S. White, D. Morikawa, C. D. Dewhurst, R. Cubitt, A. Kikkawa, X. Z. Yu, Y. Tokunaga, T. Arima, H. M. Rønnow, Y. Tokura, and Y. Taguchi, “Disordered skyrmion phase stabilized by magneticfrustration in a chiral magnet”, Sci. Adv. 4, eaar7043 (2018).

[21].      T. Yokouchi, S. Hoshino, N. Kanazawa, A. Kikkawa, D. Morikawa, K. Shibata, T. Arima, Y. Taguchi, F. Kagawa, N. Nagaosa, and Y. Tokura, “Current-induced dynamics of skyrmion strings”, Sci. Adv. 4, eaat1115 (2018).

[22].      M. Nakamura, D. Morikawa, X. Z. Yu, F. Kagawa, T. Arima, Y. Tokura, and M. Kawasaki, “Emergence of Topological Hall Effect in Half-Metallic Manganite Thin Films by Tuning Perpendicular Magnetic Anisotropy”, J. Phys. Soc. Jpn. 87, 074704 (2018).

[23].      X. Z. Yu, D. Morikawa, T. Yokouchi, K. Shibata, N. Kanazawa, F. Kagawa, T. Arima, and Y. Tokura, “Aggregation and collapse dynamics of skyrmions in a non-equilibrium state”, Nature Phys. 14, 832 (2018).

[24].      V. Ukleev, Y. Yamasaki, D. Morikawa, N. Kanazawa, Y. Okamura, H. Nakao, Y. Tokura, and T. Arima, “Coherent Resonant Soft X-ray Scattering Study of Magnetic Textures in FeGe”, Quantum Beam Sci. 2, 3 (2018).

[25].      N. Kanazawa, J. S. White, H. M. Rønnow, C. D. Dewhurst, D. Morikawa, K. Shibata, T. Arima, F. Kagawa, A. Tsukazaki, Y. Kozuka, M. Ichikawa, M. Kawasaki, and Y. Tokura, “Engineering topological spin-hedgehog crystals in a chiral magnet by tailoring the magnetic anisotropy”, Phys. Rev. B 96, 220414(R) (2017).

[26].      K. Karube, J. S. White, D. Morikawa, M. Bartkowiak, A. Kikkawa, Y. Tokunaga, T. Arima, H. M. Rønnow, Y. Tokura, and Y. Taguchi, “Skyrmion formation in a bulk chiral magnet at zero magnetic field and above room temperature”, Phys. Rev. Mater. 1, 074405 (2017).

[27].      Y. Okamura, Y. Yamasaki, D. Morikawa, T. Honda, V. Ukleev, H. Nakao, Y. Murakami, K. Shibata, F. Kagawa, S. Seki, T. Arima, and Y. Tokura, “Emergence and magnetic-field variation of chiral-soliton lattice and skyrmion lattice in the strained helimagnet Cu2OSeO3”, Phys. Rev. B 96, 174417 (2017).

[28].      T. Yokouchi, N. Kanazawa, A. Kikkawa, D. Morikawa, K. Shibata, T. Arima, Y. Taguchi, F. Kagawa, and Y. Tokura, “Electrical magnetochiral effect induced by chiral spin fluctuations”, Nature commun. 8, 866 (2017).

[29].      R. Takagi, D. Morikawa, K. Karube, N. Kanazawa, K. Shibata, G. Tatara, Y. Tokunaga, T. Arima, Y. Taguchi, Y. Tokura, and S. Seki, “Spin-wave spectroscopy of the Dzyaloshinskii-Moriya interaction in room-temperature chiral magnets hosting skyrmions”, Phys. Rev. B 95, 220406(R) (2017).

[30].      Y. Okamura, Y. Yamasaki, D. Morikawa, T. Honda, V. Ukleev, H. Nakao, Y. Murakami, K. Shibata, F. Kagawa, S. Seki, T. Arima, and Y. Tokura, “Directional electric-field induced transformation from skyrmion lattice to distinct helices in multiferroic Cu2OSeO3”, Phys. Rev. B 95, 184411 (2017).

[31].      X. Z. Yu, D. Morikawa, Y. Tokunaga, M. Kubota, T. Kurumaji, H. Oike, M. Nakamura, F. Kagawa, Y. Taguchi, T. Arima, M. Kawasaki, and Y. Tokura, “Current-Induced Nucleation and Annihilation of Magnetic Skyrmions at Room Temperature in a Chiral Magnet”, Adv. Mater. 1606178 (2017).

[32].      D. Morikawa, X. Z. Yu, K. Karube, Y. Tokunaga, Y. Taguchi, T. Arima, and Y. Tokura, “Deformation of Topologically-Protected Supercooled Skyrmions in a Thin Plate of Chiral Magnet Co8Zn8Mn4”, Nano Letters, 17, 1637 (2017).

[33].      Y. Yamasaki, D. Morikawa, T. Honda, H. Nakao, Y. Murakami, N. Kanazawa, M. Kawasaki, T. Arima, and Y. Tokura, “Dynamical process of skyrmion-helical magnetic transformation of the chiral-lattice magnet FeGe probed by small-angle resonant soft x-ray scattering”, Phys. Rev. B 92, 220421(R), (2015).

[34].      D. Morikawa, X. Z. Yu, Y. Kaneko, Y. Tokunaga, T. Nagai, K. Kimoto, T. Arima, and Y. Tokura, “skyrmions in bilayered manganites La1.2Sr1.8(Mn1−yRuy)2O7 with controlled magnetic Lorentz transmission electron microscopy on nanometric magnetic bubbles controlled magnetic anisotropy”, Appl. Phys. Lett. 107, 212401 (2015).

[35].      J. Fujioka, A. Doi, D. Okuyama, D. Morikawa, T. Arima, K. N. Okada, Y. Kaneko, T. Fukuda, H. Uchiyama, D. Ishikawa, A. Q. R. Baron, K. Kato, M. Takata, and Y. Tokura, “Ferroelectric-like metallic state in electron doped BaTiO3”, Scientific Reports 5, 13207 (2015).

[36].      Y. Tokunaga, X. Z. Yu, J. S. White, H. M. Rønnow, D. Morikawa, Y. Taguchi, and Y. Tokura, “A new class of chiral materials hosting magnetic skyrmions beyond room temperature”, Nature commun. 6, 7638 (2015).

[37].      X. Z. Yu, A. Kikkawa, D. Morikawa, K. Shibata, Y. Tokunaga, Y. Taguchi, and Y. Tokura, “Variation of skyrmion forms and their stability in MnSi thin plates”, Phys. Rev. B 91, 054411 (2015).

[38].      R. Suzuki, M. Sakano, Y. J. Zhang, R. Akashi, D. Morikawa, A. Harasawa, K. Yaji, K. Kuroda, K. Miyamoto, T. Okuda, K. Ishizaka, R. Arita, and Y. Iwasa, “Valley-dependent spin polarization in bulk MoS2 with broken inversion symmetry”, Nature Nanotech. 9, 611 (2014).

[39].      D. Choudhury, T. Suzuki, D. Okuyama, D. Morikawa, K. Kato, M. Takata, K. Kobayashi, R. Kumai, H. Nakao, Y. Murakami, M. Bremholm, B. B. Iversen, T. Arima, Y. Tokura, and Y. Taguchi, “Evolution of magnetic and structural transitions and enhancement of magnetocaloric effect in Fe1−xMnxV2O4”, Phys. Rev. B 89, 104427 (2014).

[40].      K. Shibata, X. Z. Yu, T. Hara, D. Morikawa, N. Kanazawa, K. Kimoto, S. Ishiwata, Y. Matsui, and Y. Tokura, “Towards control of skyrmion crystals in helimagnetic alloys by spin-orbit coupling”, Nature Nanotech. 8, 723 (2013).

[41].      D. Morikawa, K. Shibata, N. Kanazawa, X. Z. Yu, and Y. Tokura, “Crystal chirality and skyrmion helicity in MnSi and (Fe,Co)Si as determined by transmission electron microscopy”, Phys. Rev. B 88, 024408 (2013).

[42].      M. Adachi, M. Takasugi, D. Morikawa, K. Tsuda, A. Tanaka, and H. Fukuyama, “Analysis of the dislocation and polarity in an AlN layer grown using Ga-Al flux”, Appl. Phys. Exp. 5, 101001 (2012).

[43].      D. Morikawa, K. Tsuda, Y. Maeda, S. Yamada, and T. Arima, “Charge and orbital order patterns in an A-site ordered perovskite-type manganite SmBaMn2O6 determined by convergent-beam electron diffraction”, J. Phys. Soc. Jpn. 81, 093602 (2012).

[44].      K. Tsuda, D. Morikawa, Y. Watanabe, S. Ohtani, and T. Arima, “Direct observation of orbital ordering in the spinel oxide FeCr2O4 through electrostatic potential using convergent-beam electron diffraction”, Phys. Rev. B 81, 180102(R) (2010).