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Journal Articles

Phase-transition kinetics of magnetic skyrmions investigated by stroboscopic small-angle neutron scattering

Nakajima, Taro*; Inamura, Yasuhiro; Ito, Takayoshi*; Oishi, Kazuki*; Oike, Hiroshi*; Kagawa, Fumitaka*; Kikkawa, Akiko*; Taguchi, Yasujiro*; Kakurai, Kazuhisa*; Tokura, Yoshinori*; et al.

Physical Review B, 98(1), p.014424_1 - 014424_5, 2018/07

 Times Cited Count:4 Percentile:61.64(Materials Science, Multidisciplinary)

We investigated the phase-transition kinetics of magnetic skyrmion lattice (SkL) in MnSi by means of stroboscopic small-angle neutron scattering (SANS). Temporal evolutions of SANS patterns were measured with time resolution of 13 ms while sweeping temperature as fast as 50 Ks$$^{-1}$$. It turned out that the paramagnetic-to-SkL transition immediately occurs upon traversing the equilibrium phase boundary on the rapid cooling, whereas the SkL-to-conical transition can be kinetically avoided to realize the low-temperature metastable SkL with a long-range magnetic order. The formation of the metastable SkL was found to be strongly dependent not only on cooling rate, but also on magnetic eld and trajectory in the H-T phase diagram.

Journal Articles

Multi-spin-state dynamics during insulator-metal crossover in LaCoO$$_3$$

Doi, Atsunori*; Fujioka, Jun*; Fukuda, Tatsuo; Tsutsui, Satoshi*; Okuyama, Daisuke*; Taguchi, Yasujiro*; Arima, Takahisa*; Baron, A. Q. R.*; Tokura, Yoshinori*

Physical Review B, 90(8), p.081109_1 - 081109_4, 2014/01

 Times Cited Count:16 Percentile:37.13(Materials Science, Multidisciplinary)

Journal Articles

Soft phonon mode coupled with antiferromagnetic order in incipient-ferroelectric Mott insulators Sr$$_{1-x}$$Ba$$_x$$MnO$$_3$$

Sakai, Hideaki*; Fujioka, Jun*; Fukuda, Tatsuo; Bahramy, M. S.*; Okuyama, Daisuke*; Arita, Ryotaro*; Arima, Takahisa*; Baron, A. Q. R.*; Taguchi, Yasujiro*; Tokura, Yoshinori*

Physical Review B, 86(10), p.104407_1 - 104407_11, 2012/09

 Times Cited Count:26 Percentile:23.88(Materials Science, Multidisciplinary)

Journal Articles

Emergent phenomena in perovskite-type manganites

Taguchi, Yasujiro*; Sakai, Hideaki*; Okuyama, Daisuke*; Ishiwata, Shintaro*; Fujioka, Jun*; Fukuda, Tatsuo; Hashizume, Daisuke*; Kagawa, Fumitaka*; Takahashi, Yoichiro*; Shimano, Ryo*; et al.

Physica B; Condensed Matter, 407(11), p.1685 - 1688, 2012/06

 Times Cited Count:3 Percentile:82.88(Physics, Condensed Matter)

Journal Articles

Multiferroic $$M$$-type hexaferrites with a room-temperature conical state and magnetically controllable spin helicity

Tokunaga, Yusuke*; Kaneko, Yoshio*; Okuyama, Daisuke*; Ishiwata, Shintaro*; Arima, Takahisa*; Wakimoto, Shuichi; Kakurai, Kazuhisa; Taguchi, Yasujiro*; Tokura, Yoshinori*

Physical Review Letters, 105(25), p.257201_1 - 257201_4, 2010/12

 Times Cited Count:216 Percentile:1.72(Physics, Multidisciplinary)

Journal Articles

Neutron diffraction studies on the multiferroic conical magnet Ba$$_{2}$$Mg$$_{2}$$Fe$$_{12}$$O$$_{22}$$

Ishiwata, Shintaro*; Okuyama, Daisuke*; Kakurai, Kazuhisa; Nishi, Masakazu*; Taguchi, Yasujiro*; Tokura, Yoshinori*

Physical Review B, 81(17), p.174418_1 - 174418_8, 2010/05

 Times Cited Count:64 Percentile:9.09(Materials Science, Multidisciplinary)

Oral presentation

Polarized neutron diffraction studies on magnetic-field-induced ferroelectric phase in helimagnet Ba$$_{2}$$Mg$$_{2}$$Fe$$_{12}$$O$$_{22}$$

Ishiwata, Shintaro*; Okuyama, Daisuke*; Kakurai, Kazuhisa; Nishi, Masakazu*; Taguchi, Yasujiro*; Tokura, Yoshinori*

no journal, , 

no abstracts in English

Oral presentation

Neutron scattering activities on multiferroic systems; Neutron diffraction experiments on hexaferrites

Kakurai, Kazuhisa; Wakimoto, Shuichi; Ishiwata, Shintaro*; Okuyama, Daisuke*; Nishi, Masakazu*; Tokunaga, Yusuke*; Arima, Takahisa*; Taguchi, Yasujiro*; Tokura, Yoshiki*

no journal, , 

Oral presentation

Study of complex magnetic structures in frustrated magnets by means of polarized neutrons

Kakurai, Kazuhisa; Wakimoto, Shuichi; Matsuda, Masaaki*; Ishiwata, Shintaro*; Okuyama, Daisuke*; Taguchi, Yasujiro*; Tokura, Yoshiki*; Nishi, Masakazu*; Nakajima, Taro*; Mitsuda, Setsuo*; et al.

no journal, , 

Oral presentation

Observation of electromagnons in Y-type hexaferrite Ba$$_{2}$$Mg$$_{2}$$Fe$$_{12}$$O$$_{22}$$ by means of polarized inelastic neutron scattering

Nakajima, Taro*; Kakurai, Kazuhisa; Arima, Takahisa*; Matsuda, Masaaki*; Takahashi, Yoichiro*; Ishiwata, Shintaro*; Taguchi, Yasujiro*; Tokura, Yoshinori*

no journal, , 

no abstracts in English

Oral presentation

Magnetic orders in a room-temperature multiferroic hexaferrite BaSrCo$$_{2}$$Fe$$_{11}$$AlO$$_{22}$$ studied by means of single-crystal neutron diffraction measurements

Nakajima, Taro*; Tokunaga, Yusuke*; Matsuda, Masaaki*; Dissanayake, S.*; Fernandez-Baca, J. A.*; Kakurai, Kazuhisa; Taguchi, Yasujiro*; Tokura, Yoshinori*; Arima, Takahisa*

no journal, , 

no abstracts in English

11 (Records 1-11 displayed on this page)
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