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!!!On arXiv
!Skyrmion phase and competing magnetic orders on a breathing kagome lattice
*Max Hirschberger, __Taro Nakajima__, Shang Gao, Licong Peng, Akiko Kikkawa, Takashi Kurumaji, Markus Kriener, Yuichi Yamasaki, Hajime Sagayama, Hironori Nakao, Kazuki Ohishi, Kazuhisa Kakurai, Yasujiro Taguchi, Xiuzhen Yu, Taka-hisa Arima, Yoshinori Tokura
*[arXiv:1812.02553|https://arxiv.org/abs/1812.02553]
!Emergent topological spin structures in a centrosymmetric cubic perovskite
*S. Ishiwata, __T. Nakajima__, J. -H. Kim, D. S. Inosov, N. Kanazawa, J. S. White, J. L. Gavilano, R. Georgii, K. Seemann, G. Brandl, P. Manuel, D. D. Khalyavin, S. Seki, Y. Tokunaga, M. Kinoshita, Y. W. Long, Y. Kaneko, Y. Taguchi, T. Arima, B. Keimer, Y. Tokura
*[https://arxiv.org/abs/1806.02309|https://arxiv.org/abs/1806.02309]
!!!Original paper
*total number of articles : 49
*1st author (& corresponding author) articles : 26
!Correlation between site occupancies and spin-glass transition in skyrmion host Co10-x/2Zn10-x/2Mnx,
*T. Nakajima, K. Karube, Y. Ishikawa, M. Yonemura, N. Reynolds, J. S. White, H. M. Rønnow, A. Kikkawa, Y. Tokunaga, Y. Taguchi, Y. Tokura, and T. Arima,
*__T. Nakajima__, K. Karube, Y. Ishikawa, M. Yonemura, N. Reynolds, J. S. White, H. M. Rønnow, A. Kikkawa, Y. Tokunaga, Y. Taguchi, Y. Tokura, and T. Arima,
*[Phys. Rev. B 100, 064407 (2019).|https://doi.org/10.1103/PhysRevB.100.064407]
!Skyrmion lattice with a giant topological Hall effect in a frustrated triangular-lattice magnet
*Takashi Kurumaji, __Taro Nakajima__, Max Hirschberger, Akiko Kikkawa, Yuichi Yamasaki, Hajime Sagayama, Hironori Nakao, Yasujiro Taguchi, Taka-hisa Arima, Yoshinori Tokura
*[Science (first release) (2019)|https://science.sciencemag.org/content/early/2019/08/07/science.aau0968]
*[https://arxiv.org/abs/1805.10719|https://arxiv.org/abs/1805.10719]
*[ナノ磁気渦形成の定説を覆す物質の開発に成功−磁気フラストレーションを利用して創発電磁気応答を巨大化−|http://www.riken.jp/pr/press/2019/20190809_3/]
!Large Anomalous Hall Effect in Topological Insulators with Proximitized Ferromagnetic Insulators
*Masataka Mogi, __Taro Nakajima__, Victor Ukleev, Atsushi Tsukazaki, Ryutaro Yoshimi, Minoru Kawamura, Kei S. Takahashi, Takayasu Hanashima, Kazuhisa Kakurai, Taka-hisa Arima, Masashi Kawasaki, and Yoshinori Tokura
*[Phys. Rev. Lett. 123, 016804 (2019)|https://doi.org/10.1103/PhysRevLett.123.016804]
*[arXiv:1906.02159|https://arxiv.org/abs/1906.02159]
!Magnetization-polarization cross-control near room temperature in hexaferrite single crystals
*V. Kocsis, __T. Nakajima__, M. Matsuda, A. Kikkawa, Y. Kaneko, J. Takashima, K. Kakurai, T. Arima, F. Kagawa, Y. Tokunaga, Y. Tokura and Y. Taguchi
*[Nat. Commun. 10, 1247 (2019)|https://www.nature.com/articles/s41467-019-09205-x]
*[室温近傍での電場による磁化制御−低消費電力の電圧制御磁気メモリの実現に道筋−|http://www.riken.jp/pr/press/2019/20190319_3/]
!Topological transitions among skyrmion- and hedgehog-lattice states in cubic chiral magnets
*Y. Fujishiro, N. Kanazawa, __T. Nakajima__, X. Z. Yu, K. Ohishi, Y. Kawamura, K. Kakurai, T. Arima, H. Mitamura, A. Miyake, K. Akiba, M. Tokunaga, A. Matsuo, K. Kindo, T. Koretsune, R. Arita & Y. Tokura
*[Nat. Commun. 10, 1059 (2019).|https://doi.org/10.1038/s41467-019-08985-6]
*[プレスリリース：相転移の狭間に出現する新たな創発磁気モノポール格子 -二つのトポロジカル磁気構造が移り変わる様子を解明-|https://www.t.u-tokyo.ac.jp/soe/press/setnws_201903061013118964663925.html]
!Uniaxial-stress effects on helimagnetic orders and skyrmion lattice in Cu2OSeO3
*__Taro Nakajima__, Victor Ukleev, Kazuki Ohishi, Hiroshi Oike, Fumitaka Kagawa, Shin-ichiro Seki, Kazuhisa Kakurai, Yoshinori Tokura, and Taka-hisa Arima
*[J. Phys. Soc. Jpn. 87, 094709 (2018)|https://doi.org/10.7566/JPSJ.87.094709]
!Phase-transition kinetics of magnetic skyrmions investigated by stroboscopic small-angle neutron scattering
*__Taro Nakajima__, Yasuhiro Inamura, Takayoshi Ito, Kazuki Ohishi, Hiroshi Oike, Fumitaka Kagawa, Akiko Kikkawa, Yasujiro Taguchi, Kazuhisa Kakurai, Yoshinori Tokura, and Taka-hisa Arima.
*[Phys. Rev. B 98, 014424 (2018)|https://link.aps.org/doi/10.1103/PhysRevB.98.014424]
*[プレスリリース：磁気渦の生成・消滅過程を100分の1秒単位で観測−J-PARC MLFのパルス中性子を用いたストロボ撮影に成功−|http://www.riken.jp/pr/press/2018/20180724_1/]
!Unveiling structural, chemical and magnetic interfacial peculiarities in ε-Fe 2 O 3/GaN (0001) epitaxial films
*Victor Ukleev, Sergey Suturin, __Taro Nakajima__, Taka-hisa Arima, Thomas Saerbeck, Takayasu Hanashima, Alla Sitnikova, Demid Kirilenko, Nikolai Yakovlev, Nikolai Sokolov
*[Sci. Rep. 8, 8741 (2018)|https://doi.org/10.1038/s41598-018-25849-z]
!Magnetic field tunable dielectric dispersion in successive field-induced magnetic phases of the geometrically frustrated magnet CuFeO2 up to 28 T
*H. Tamatsukuri, S. Mitsuda, K. Hiroura, __T. Nakajima__, M. Fujihala, M. Yamano, Y. Toshioka, C. Kaneko, K. Takehana, Y. Imanaka, N. Terada, and H. Kitazawa
*[Phys. Rev. B 97, 214407 (2018)|https://doi.org/10.1103/PhysRevB.97.214407]
!N'eel-type Skyrmion lattice in the tetragonal polar magnet VOSe2O5
*Takashi Kurumaji, __Taro Nakajima__, Victor Ukleev, Artem Feoktystov, Taka-hisa Arima, Kazuhisa Kakurai, and Yoshinori Tokura
*[Phys. Rev. Lett. 119, 237201 (2017)|https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.119.237201]
!Superconductivity at the polar-nonpolar phase boundary of SnP with an unusual valence state
*M. Kamitani, M. S. Bahramy, __T. Nakajima__, C. Terakura, D. Hashizume, T. Arima, and Y. Tokura
*[Phys. Rev. Lett. 119, 207001 (2017)|https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.119.207001] (Editors' Suggestion)
!Enhanced ferromagnetic transition temperature induced by a microscopic structural rearrangement in the diluted magnetic semiconductor Ge1−xMnxTe
*M. Kriener, __T. Nakajima__, Y. Kaneko, A. Kikkawa, D. Hashizume, K. Kato, M. Takata, T. Arima, Y. Tokura, and Y. Taguchi
*[Phys. Rev. B 95, 224418 (2017)|https://doi.org/10.1103/PhysRevB.95.224418]
!Skyrmion lattice structural transition in MnSi
*__Taro Nakajima__, Hiroshi Oike, Akiko Kikkawa, Elliot P. Gilbert, Norman Booth, Kazuhisa Kakurai, Yasujiro Taguchi, Yoshinori Tokura, Fumitaka Kagawa and Taka-hisa Arima
*[Sci. Adv. 3, e1602562 (2017)|http://advances.sciencemag.org/content/3/6/e1602562]
*Highlighted in [RIKEN RESEARCH|http://www.riken.jp/en/research/rikenresearch/highlights/20170011/]
*Media release from ANSTO: [ Neutron scattering helps clarify the arrangement of magnetic vortices, skyrmions, in material |http://www.ansto.gov.au/AboutANSTO/MediaCentre/News/ACS136850]
!Spin-lattice-coupling-mediated magnetoferroelectric phase transition induced by uniaxial pressure in multiferroic CuFe1−xMxO2 (M=Ga, Al)
*Hiromu Tamatsukuri, Setsuo Mitsuda, Tenfu Nakamura, Kouhei Takata, __Taro Nakajima__, Karel Prokes, Fabiano Yokaichiya, and Klaus Kiefer
*[Phys. Rev. B 95, 174108 (2017)|https://doi.org/10.1103/PhysRevB.95.174108]
!E-type noncollinear magnetic ordering in multiferroic o-LuMnO3
*Saumya Mukherjee, Andreas Dönni, __Taro Nakajima__, Setsuo Mitsuda, Makoto Tachibana, Hideaki Kitazawa, Vladimir Pomjakushin, Lukas Keller, Christof Niedermayer, Andrea Scaramucci, and Michel Kenzelmann
*[Phys. Rev. B 95, 104412 (2017)|http://link.aps.org/doi/10.1103/PhysRevB.95.104412]
!Magnetic structures and excitations in a multiferroic Y-type hexaferrite BaSrCo2Fe11AlO22
*__Taro Nakajima__, Yusuke Tokunaga, Masaaki Matsuda, Sachith Dissanayake, Jaime Fernandez-Baca, Kazuhisa Kakurai, Yasujiro Taguchi, Yoshinori Tokura, and Taka-hisa Arima
*[Phys. Rev. B. 94, 195154 (2016)|http://link.aps.org/doi/10.1103/PhysRevB.94.195154](Editors' Suggestion)
!Uniaxial pressure effects on spin-lattice coupled phase transitions in a geometrical frustrated magnet CuFeO2
*H. Tamatsukuri, S. Aoki, S. Mitsuda, __T. Nakajima__, T. Nakamura, T. Itabashi, S. Hosaka, S. Ito, Y. Yamasaki, H. Nakao, K. Prokes and K. Kiefer
*[Phys. Rev. B 94, 174402 (2016)|http://journals.aps.org/prb/abstract/10.1103/PhysRevB.94.174402]
!Neutron diffraction study of low-temperature magnetic phase diagram of an isosceles-triangular-lattice Ising antiferromagnet CoNb2O6
*S. Kobayashi, S. Mitsuda, S. Hosaka, H. Tamatsukuri, __T. Nakajima__, H. Koorikawa, K. Prokes, and K. Kiefer
*[Phys. Rev. B 94, 134427 (2016)|http://journals.aps.org/prb/abstract/10.1103/PhysRevB.94.134427]
!Activation of frozen ferroelectric domain wall by magnetic field sweeping in multiferroic CuFeO2
*H. Tamatsukuri, S. Mitsuda, __T. Nakajima__, K. Shibata, C. Kaneko, K. Takehana, Y. Imanaka, N. Terada, H. Kitazawa, K. Prokes, S. Matas, K. Kiefer, S. Paeckel, A. Sokolowski, B. Klemke, and S. Gerischer
*[Phys. Rev. B 93, 174101 (2016)|http://dx.doi.org/10.1103/PhysRevB.93.174101]
!Heat-Treatment-Induced Switching of Magnetic States in the Doped Polar Semiconductor Ge1-xMnxTe
*M. Kriener, __T. Nakajima__, Y. Kaneko, A. Kikkawa, X. Z. Yu, N. Endo, K. Kato, M. Takata, T. Arima, Y. Tokura, Y. Taguchi
*[Sci. Rep. 6, 25748 (2016)|http://www.nature.com/articles/srep25748]
! Electromagnon excitation in the field-induced noncollinear ferrimagnetic phase of Ba2Mg2Fe12O22 studied by polarized inelastic neutron scattering and terahertz time-domain optical spectroscopy
*__Taro Nakajima__, Youtarou Takahashi, Shunsuke Kibayashi, Masaaki Matsuda, Kazuhisa Kakurai, Shintaro Ishiwata, Yasujiro Taguchi, Yoshinori Tokura, and Taka-hisa Arima
*[Phys. Rev. B 93, 035119 (2016)|http://journals.aps.org/prb/abstract/10.1103/PhysRevB.93.035119]
!Piezomagnetoelectric Effect of Spin Origin in Dysprosium Orthoferrite
*__Taro Nakajima__, Yusuke Tokunaga, Yasujiro Taguchi, Yoshinori Tokura, and Taka-hisa Arima.
*[Phys. Rev. Lett. 115, 197205 (2015)|http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.115.197205]
*[arXiv:1507.00449|http://arxiv.org/abs/1507.00449]
!Uniaxial stress control of skyrmion phase
*Y. Nii, __T. Nakajima__, A. Kikkawa, Y. Yamasaki, K. Ohishi, J. Suzuki, Y. Taguchi, T. Arima, Y. Tokura and Y. Iwasa.
*[Nat. Commun. 6, 8539 (2015).|http://www.nature.com/ncomms/2015/151013/ncomms9539/full/ncomms9539.html]
*[プレスリリース：磁気渦を押すだけで生成・消去できる新手法を発見|http://www.riken.jp/pr/press/2015/20151013_2/]
!Large anisotropic deformation of skyrmions in strained crystal
* K. Shibata, J. Iwasaki, N. Kanazawa, S. Aizawa, T. Tanigaki, M. Shirai, __T. Nakajima__, M. Kubota, M. Kawasaki, H. S. Park, D. Shindo, N. Nagaosa & Y. Tokura
*[Nat. Nanotech. 10, 589 (2015)|http://www.nature.com/nnano/journal/vaop/ncurrent/full/nnano.2015.113.html]
! Two kinds of in-plane resistivity anisotropy in Fe1+δTe (δ=0.09) as seen via synchrotron radiation x-ray diffraction and in-situ resistivity measurements
*__Taro Nakajima__, Tadashi Machida, Hironori Kariya, Daiki Morohoshi, Yuichi Yamasaki, Hironori Nakao, Kazuto Hirata, Takashi Mochiku, Hiroyuki Takeya, Setsuo Mitsuda, and Hideaki Sakata
*[Phys. Rev. B 91, 205125 (2015)|http://journals.aps.org/prb/abstract/10.1103/PhysRevB.91.205125]
! X-ray induced lock-in transition of cycloidal magnetic order in a multiferroic perovskite manganite
*Y. Yamasaki, H. Nakao, Y. Murakami, __T. Nakajima__, A. L. Sampietro, H. Ohsumi, M. Takata, T. Arima, and Y. Tokura
*[Phys. Rev. B 91, 100403(R) (2015) |http://journals.aps.org/prb/abstract/10.1103/PhysRevB.91.100403] (Editors' suggestion)
!Uniaxial-stress control of spin-driven ferroelectricity in multiferroic Ba2CoGe2O7
*__Taro Nakajima__, Yusuke Tokunaga, Vilmos Kocsis, Yasujiro Taguchi, Yoshinori Tokura, and Taka-hisa Arima
*[Phys. Rev. Lett. 114 067201 (2015)|http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.114.067201]
*Highlighted in [RIKEN RESEARCH|http://www.riken.jp/en/research/rikenresearch/highlights/8016/]
!Magnetic domain growth in geometrically frustrated Ising antiferromagnets Co1-xMgxNb2O6 (x=0, 0.004) as seen via time-resolved neutron diffraction measurements
*__Taro Nakajima__, Setsuo Mitsuda, Yu Inomoto, Karel Prokes, Vadim Sikolenko, Sebastian Gerischer, Satoru Kobayashi
*[Phys. Rev. B 90 064431 (2014)|https://journals.aps.org/prb/abstract/10.1103/PhysRevB.90.064431]
!Nonmagnetic impurity effect on magnetic phase transitions in an isosceles triangular lattice Ising chain antiferromagnet CoNb2O6
*__Taro Nakajima__, Setsuo Mitsuda, Hidekazu Okano, Yu Inomoto, Satoru Kobayashi, Karel Prokes, Sebastian Gerischer, Peter Smeibidl
*[J. Phys. Soc. Jpn. 83 094723 (2014)|http://dx.doi.org/10.7566/JPSJ.83.094723]
!Uniaxial-pressure control of geometrical spin frustration in an Ising antiferromagnet CoNb2O6 via anisotropic deformation of the isosceles lattice
*S. Kobayashi, S. Hosaka, H. Tamatsukuri, __T. Nakajima__, S. Mitsuda, K. Prokes, and K. Kiefer
*[Phys. Rev. B 90, 060412R (2014)|http://journals.aps.org/prb/abstract/10.1103/PhysRevB.90.060412]
!Electric polarization along the c axis in the ferroelectric helimagnetic phase of CuFe1-xGaxO2 (x=0.035)
*C. Kaneko, __T. Nakajima (c. a.)__, S. Mitsuda, Y. Tanaka and N. Terada
*[Phys. Rev. B 90 085109 (2014)|http://journals.aps.org/prb/abstract/10.1103/PhysRevB.90.085109]
!Spin-driven bond order in a 1/5-magnetization plateau phase in a triangular lattice antiferromagnet CuFeO2
*__Taro Nakajima__, Noriki Terada, Setsuo Mitsuda, Robert Bewley.
*[Phys. Rev. B 88 134414 (2013)|http://link.aps.org/doi/10.1103/PhysRevB.88.134414]
*[arXiv:1310.2746|http://arxiv.org/abs/1310.2746]
*[Erratum Phys. Rev. B 89, 019901(E) (2014)|http://prb.aps.org/abstract/PRB/v89/i1/e019901]
!Uniaxial pressure effects on spin-driven lattice distortion in geometrically frustrated magnets CuFe1-xGaxO2 (x=0, 0.035)
*__Taro Nakajima__, Yusuke Iguchi, Hiromu Tamatsukuri, Setsuo Mitsuda,Yuichi Yamasaki, Hironori Nakao, Noriki Terada.
*[J. Phys. Soc. Jpn. 82 114711 (2013)|http://jpsj.ipap.jp/link?JPSJ/82/114711]
//!Uniaxial pressure effect on magnetic ordering in a frustrated isosceles triangular lattice Ising //antiferromagnet CoNb2O6: Magnetization measurement study
//*S. Kobayashi et al.
//*(submitted)
!Residual-Charge Induced Memory Effect of Electric Polarization in Multiferroic CuFe1-xGaxO2 as seen via Polarized Neutron Diffraction
*__Taro Nakajima__, Setsuo Mitsuda, Hiroe Yamazaki and Masato Matsuura
*[J. Phys. Soc. Jpn. 82 024706 (2013)|http://jpsj.ipap.jp/link?JPSJ/82/024706]
!Incommensurate Orbital Modulation behind Ferroelectricity in CuFeO2
*Yoshikazu Tanaka, Noriki Terada, __Taro Nakajima__, Taro Kojima, Yasutaka Takata, Setsuo Mitsuda, Masaki Oura, Yasunori Senba, Haruhiko Ohashi, Shik Shin
*[Phys. Rev. Lett. 109 127205 (2012) |http://prl.aps.org/abstract/PRL/v109/i12/e127205]
*[arXiv:1012.3586|http://arxiv.org/abs/1012.3586]
!Uniaxial-Pressure Control of Magnetic Phase Transitions in a Frustrated Magnet CuFe1-xGaxO2 (x = 0, 0.018)
*__Taro Nakajima__, Setsuo Mitsuda, Keiichiro Takahashi, Keisuke Yoshitomi, Kazuya Masuda, Chikafumi Kaneko, Yuki Honma, Satoru Kobayashi, Hideaki Kitazawa, Masashi Kosaka, Naofumi Aso, Yoshiya Uwatoko, Noriki Terada, Shuichi Wakimoto, Masayasu Takeda, Kazuhisa Kakurai
*[J. Phys. Soc. Jpn. 81 094710 (2012)|http://jpsj.ipap.jp/link?JPSJ/81/094710]
!Magnetic interactions in the multiferroic phase of CuFe1-xGaxO2 (x = 0.035) refined by inelastic neutron scattering with uniaxial-pressure control of domain structure
*__Taro Nakajima__, Setsuo Mitsuda, Jason T. Haraldsen, Randy S. Fishman, Tao Hong, Noriki Terada and Yoshiya Uwatoko
*[Phys. Rev. B 85 144405 (2012)|http://link.aps.org/doi/10.1103/PhysRevB.85.144405]
!Magnons and electromagnons in a spin-lattice coupled frustrated magnet CuFeO2 as seen via inelastic neutron scattering
*__Taro Nakajima__, Azusa Suno, Setsuo Mitsuda, Noriki Terada, Shojiro Kimura, Koji Kaneko, Hiroki Yamauchi
*[Phys. Rev. B 84 184401 (2011)|http://prb.aps.org/abstract/PRB/v84/i18/e184401]
*[arXiv:1108.1297|http://arxiv.org/abs/1108.1297]
!Control of ferroelectric polarization via uniaxial pressure in the spin-lattice-coupled multiferroic CuFe1-xGaxO2
*__T. Nakajima__, S. Mitsuda, T. Nakamura, H. Ishii, T. Haku, Y. Honma, M. Kosaka, N. Aso, Y. Uwatoko
*[Phys. Rev. B. 83 220101R (2011)|http://prb.aps.org/abstract/PRB/v83/i22/e220101]
*[arXiv:1105.3525|http://arxiv.org/abs/1105.3525]
!Spin Wave Spectrum in ‘Single-Domain’ Magnetic Ground State of Triangular Lattice Antiferromagnet CuFeO2
*__Taro Nakajima__, Setsuo Mitsuda, Tendai Haku, Kohei Shibata, Keisuke Yoshitomi, Yukio Noda, Naofumi Aso, Yoshiya Uwatoko and Noriki Terada
*[J. Phys. Soc. Jpn. 80 014714 (2011)|http://jpsj.ipap.jp/link?JPSJ/80/014714]
*[arXiv:1011.2859|http://arxiv.org/abs/1011.2859]
!Spin-helicity Dependent Magnetic Domain Growth in a Spin-driven Multiferroic under Applied Electric Field
*__T. Nakajima__, S. Mitsuda, K. Takahashi, H. Yamazaki, K. Yoshitomi, M. Soda, M. Matsuura, K. Hirota
*[Phys. Rev. B 82 064418 (2010)|http://link.aps.org/doi/10.1103/PhysRevB.82.064418]
!Charge disproportionation associated with spin ordering in delafossite CuFeO2 as seen via resonant x-ray diffraction
*N. Terada, __T. Nakajima__, S. Mitsuda, Y. Tanaka, H. Mamiya and H. Kitazawa
*[Phys. Rev. B 81 064424 (2010)|http://prb.aps.org/abstract/PRB/v81/i6/e064424]
!Anisotropic magnetic field responses of ferroelectric polarization in a trigonal multiferroic CuFe1-xAlxO2 (x=0.015)
*__T. Nakajima__, S. Mitsuda, S. Kanetsuki, M. Yamano, S. Iwamoto, Y. Yoshida, H. Mitamura, Y. Sawai, M. Tokunaga, K. Kindo, K. Prokes, A. Podlesnyak
*[Phys. Rev. B 81 014422 (2010)|http://prb.aps.org/abstract/PRB/v81/i1/e014422] (Editors' Suggestion)
*[arXiv:0912.2584|http://arxiv.org/abs/0912.2584]
!Comprehensive study on ferroelectricity induced by a proper-screw type magnetic ordering in multiferroic CuFeO2: Nonmagnetic impurity effect on magnetic and ferroelectric order
*__T. Nakajima__, S. Mitsuda, K. Takahashi, M. Yamano, K. Masuda, H. Yamazaki K. Prokes, K. Kiefer, S. Gerischer, N. Terada H. Kitazawa, M. Matsuda, K. Kakurai, H. Kimura, Y. Noda, M. Soda, M. Matsuura, and K. Hirota
*[Phys. Rev. B 79 214423 (2009)|http://link.aps.org/doi/10.1103/PhysRevB.79.214423]
!Evidence for large electric polarization from collinear magnetism in TmMnO3
*V. Yu. Pomjakushin, M. Kenzelmann, A. Donni, A. B. Harris, __T. Nakajima__, S. Mitsuda, M. Tachibana, L. Keller, J. Mesot, H. Kitazawa, E. Takayama-Muromachi
*[New Journal of Physics. 11 043019 (2009)|http://www.iop.org/EJ/abstract/-kwd=nj-2f18/1367-2630/11/4/043019]
*[arXiv:0901.0787|http://arxiv.org/abs/0901.0787]
!Identification of microscopic spin-polarization coupling in the ferroelectric phase of magnetoelectric multiferroic CuFe1-xAlxO2
*__T. Nakajima__, S. Mitsuda, T. Inami, N. Terada, H. Ohsumi, K. Prokes, and A. Podlesnyak.
*[Phys. Rev. B 78 024106 (2008)|http://link.aps.org/abstract/PRB/v78/e024106] (Editors' Suggestion)
*[arXiv:0806.2004|http://jp.arxiv.org/abs/0806.2004]
!Ga-substitution-induced single ferroelectric phase in multiferroic CuFeO2
*N. Terada, __T. Nakajima__, S. Mitsuda, H. Kitazawa, K. Kaneko, and M. Metoki.
*[Phys. Rev. B 78 014101 (2008)|http://link.aps.org/abstract/PRB/v78/e014101] (Editors' Suggestion)
!Electric Polarization Induced by a Proper Helical Magnetic Ordering in a Delafossite Multiferroic CuFe1-xAlxO2
*__T. Nakajima__, S. Mitsuda, S. Kanetsuki, K. Tanaka, K. Fujii, N. Terada, M. Soda, M. Matsuura and K. Hirota
*[Phys. Rev. B 77 052401 (2008)|http://link.aps.org/abstract/PRB/v77/e052401]
*[arXiv: 0707.2703|http://jp.arxiv.org/abs/0707.2703]
!Spin Noncollinearlity in Multiferroic Phase of Triangular Lattice Antiferromagnet CuFe1-xAlxO2
*__T. Nakajima__, S. Mitsuda, S. Kanetsuki, K. Prokes, A. Podlesnyak, H. Kimura and Y. Noda
*[J. Phys. Soc. Jpn. 76, 043709 (2007)|http://dx.doi.org/10.1143/JPSJ.76.043709]
----
!!!Review paper
!Observation of Magnetic Skyrmions by Neutron Scattering
*__Taro Nakajima__, and Taka-hisa Arima
*[J. Phys. Soc. Jpn. 88, 081006 (2019)|https://journals.jps.jp/doi/full/10.7566/JPSJ.88.081006]
**SPECIAL TOPICS: New Frontiers in Physics with Spin, Orbital, and Atomic Correlations Using Neutron Scattering
----
!!!Proceedings
!Uniaxial-stress enhancement of spin-driven ferroelectric polarization in a multiferroic CuFe1-xGaxO2
*S Mitsuda, K Yoshitomi, __T Nakajima__, C Kaneko, H Yamazaki, M Kosaka, N Aso, Y Uwatoko4, Y Noda, M Matsuura, N Terada, S Wakimoto, M Takeda and K Kakurai
*[J. Phys.: Conf. Ser. 340 012062 (2012)|http://iopscience.iop.org/1742-6596/340/1/012062]
**Proceeding of ECNS2011
!Exchange-striction associated with the elliptical proper helical magnetic structure in the ferroelectric phase of CuFe1-yGayO2
*N. Terada, __T. Nakajima__, S. Mitsuda, M. Matsuda, K. Kakurai, Y. Tanaka and H. Kitazawa
*[ J. Phys.:Conf. Series 211 012005 (2010)|http://iopscience.iop.org/1742-6596/211/1/012005]
**Proceeding of PNSXM2009
!Electric field dependence of magnetic correlation in magneto-electric multiferroic CuFe1-xAlxO2
*__T. Nakajima__, S. Mitsuda, K. Takahashi, Y. Kaneko, T. Ito, M. Fukunaga, H. Kimura and Y. Noda
*[J. Phys.:Conf. Series. 200 012139 (2010)|http://www.iop.org/EJ/abstract/1742-6596/200/1/012139]
**Proceeding of ICM2009
!Dielectric relaxation in a nonferroelectric phase of magnetoelectric multiferroic CuFeO2
*S. Mitsuda, M. Yamano, K. Kuribara, __T. Nakajima__, K. Masuda, K. Yoshitomi, N. Terada, H. Kitazawa, K. Takenaka and T. Takamasu
*[J. Phys.:Conf. Series. 200 012120 (2010)|http://www.iop.org/EJ/abstract/1742-6596/200/1/012120]
**Proceeding of ICM2009
!Electric polarization memory effect in a magnetoelectric multiferroic CuFe1-xGaxO2
*S. Mitsuda, __T. Nakajima__, M. Yamano, K. Takahashi, H. Yamazaki, K. Masuda, Y. Kaneko, N. Terada, K. Prokes, K. Kiefier
*[Physica B Vol. 404, Issue 17, Pages 2532-2534 (2009)|http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6TVH-4WHFD6W-2&_user=139640&_coverDate=09%2F01%2F2009&_alid=988862076&_rdoc=1&_fmt=high&_orig=search&_cdi=5535&_sort=r&_docanchor=&view=c&_ct=1&_acct=C000011560&_version=1&_urlVersion=0&_userid=139640&md5=8ea637e0a66caad26557fbfe0f77620e]
**Proceeding of QuBS2008
!Magnetic phase diagram of multiferroic delafossite CuFe1-yGayO2
*N. Terada, __T. Nakajima__, S. Mitsuda and H. Kitazawa
*[J. Phys.: Conf. Ser. 145 (2009) 012071|http://www.iop.org/EJ/abstract/1742-6596/145/1/012071]
**Proceeding of Highly Frustrated Magnetism 2008
!Zero-field random-field effect in diluted triangular lattice antiferromanget CuFe1-xAlxO2
*__T. Nakajima__, S. Mitsuda, K. Kitagawa, N. Terada, T. Komiya, Y. Noda
*[Journal of Physics : Condensed Matter 19 (2007) 145216|http://www.iop.org/EJ/abstract/0953-8984/19/14/145216/]
**[Proceeding of Highly Frustrated Magnetism 2006]
!Field-Induced Ferroelectric State in Frustrated Manget CuFe1-xAlxO2
*S. Kanetsuki, S. Mitsuda, __T. Nakajima__, D. Anazawa, H. A. Katori, K. Prokes
*[Journal of Physiscs : Condensed Matter 19 (2007) 145244|http://www.iop.org/EJ/abstract/0953-8984/19/14/145244/]
**[Proceeding of Highly Frustrated Magnetism 2006]