JOPSS - Search Results

Journal Articles

X-ray free electron laser observation of ultrafast lattice behaviour under femtosecond laser-driven shock compression in iron

Sano, Tomokazu*; Matsuda, Tomoki*; Hirose, Akio*; Terai, Tomoyuki*; Kakeshita, Tomoyuki*; Inubushi, Yuichi*; Sato, Takahiro*; Yabashi, Makina*; Shobu, Takahisa; 22 of others*

Scientific Reports (Internet), 13, p.13796_1 - 13796_10, 2023/08

https://doi.org/10.1038/s41598-023-40283-6

Times Cited Count：0 Percentile：0(Multidisciplinary Sciences)

Journal Articles

Neutron diffraction study on martensitic transformation under compressive stress in an ordered Fe $_{3}$ Pt

Fukuda, Takashi*; Yamaguchi, Takashi*; Kakeshita, Tomoyuki*; Harjo, S.; Nakamoto, Tatsushi*

Journal of Applied Physics, 126(2), p.025107_1 - 025107_6, 2019/07

AA2019-0505.pdf:1.15MB

https://doi.org/10.1063/1.5098960

Times Cited Count：1 Percentile：4.41(Physics, Applied)

Journal Articles

Stress and temperature dependence of the structure of the martensite and X-phase in Ni $_{2}$ MnGa

Fukuda, Takashi*; Terai, Tomoyuki*; Kushida, Hiroaki*; Kakeshita, Tomoyuki*; Osakabe, Toyotaka; Kakurai, Kazuhisa

Philosophical Magazine, 90(14), p.1925 - 1935, 2010/05

https://doi.org/10.1080/14786430903571479

Times Cited Count：6 Percentile：37.1(Materials Science, Multidisciplinary)

The stress and temperature dependence of the structure of the X-phase in Ni $_{2}$ MnGa has been investigated by neutron diffraction measurements under compressive stress to clarify the structural relationship among the P-, I-, M- and X-phases. The structure of the X-phase in Ni $_{2}$ MnGa depends strongly on stress and temperature compared to the M- or I-phase. In association with the X M transformation, both the position and intensity of the satellite reflection changes drastically, regardless of stress and temperature, while with X P transformation, the intensity of the satellite reflection fades gradually. For the I X transformation, the position and intensity of the satellite changes drastically when transformation occur under compressive stress, while the changes are continuous under zero stress. These results strongly suggest the existence of a multicritical point in Ni $_{2}$ MnGa.

Journal Articles

Structural relation between the X-phase and other phases in Ni $_{2}$ MnGa

Kakeshita, Tomoyuki*; Fukuda, Takashi*; Terai, Tomoyuki*; Osakabe, Toyotaka; Kakurai, Kazuhisa

Materials Science Forum, 635, p.49 - 54, 2009/12

We have investigated stress and temperature dependences of the structure of the X-phase in Ni $_{2}$ MnGa to understand structural relation between the X-phase and other phases. We found that the structure change associated with the transformation from the intermediate (I-) phase to the X-phase is discontinuous under a compressive stress, while it is continuous under zero stress. In addition, the transformation from the X-phase to the L2 $_{1}$ -type parent phase is continuous regardless of applied stress. These results strongly suggest the existence of multi-critical point in Ni $_{2}$ MnGa.

Journal Articles

Incommensurate structures of intermediate phase and martensite phase in Ni $_{2}$ MnGa

Kushida, Hiroaki*; Fukuda, Kodai*; Terai, Tomoyuki*; Fukuda, Takashi*; Kakeshita, Tomoyuki*; Oba, Takuya*; Osakabe, Toyotaka; Kakurai, Kazuhisa; Kato, Kenichi*

Journal of Physics; Conference Series, 165, p.012054_1 - 012054_4, 2009/06

https://doi.org/10.1088/1742-6596/165/1/012054

Journal Articles

Neutron diffraction study on stress-induced X-phase in Ni $_{2}$ MnGa

Kushida, Hiroaki*; Terai, Tomoyuki*; Fukuda, Takashi*; Kakeshita, Tomoyuki*; Osakabe, Toyotaka; Kakurai, Kazuhisa

Scripta Materialia, 60(4), p.248 - 250, 2009/02

https://doi.org/10.1016/j.scriptamat.2008.10.018

Times Cited Count：8 Percentile：45.88(Nanoscience & Nanotechnology)

Journal Articles

Crystal structure of martensite and intermediate phases in Ni $_{2}$ MnGa studied by neutron diffraction

Kushida, Hiroaki*; Fukuda, Kodai*; Terai, Tomoyuki*; Fukuda, Takashi*; Kakeshita, Tomoyuki*; Oba, Takuya*; Osakabe, Toyotaka; Kakurai, Kazuhisa; Kato, Kenichi*

European Physical Journal; Special Topics, 158(1), p.87 - 92, 2008/05

https://doi.org/10.1140/epjst/e2008-00658-2

Times Cited Count：22 Percentile：72.02(Physics, Multidisciplinary)

Journal Articles

Direct observation of field-induced variant transformation in FePt using pulsed magnetic field X-ray diffraction

Ouyang, Z. W.*; Matsuda, Yasuhiro*; Nojiri, Hiroyuki*; Inami, Toshiya; Owada, Kenji; Tsubota, Masami*; Sakon, Takuo*; Fukuda, Takashi*; Kakeshita, Tomoyuki*

Journal of Applied Physics, 102(11), p.113917_1 - 113917_6, 2007/12

https://doi.org/10.1063/1.2822278

Times Cited Count：1 Percentile：5.42(Physics, Applied)

Oral presentation

Meta-magnetic transition of La $_{1.37}$ Sr $_{1.63}$ Mn $_{2}$ O $_{7}$ under hydrostatic pressure

Terai, Tomoyuki*; Murata, Takeshi*; Kakeshita, Tomoyuki*; Osakabe, Toyotaka; Kakurai, Kazuhisa

no journal, ,

no abstracts in English

Oral presentation

Magnetic structure analysis on La $_{2-2x}$ Sr $_{1+2x}$ Mn $_{2}$ O $_{7}$ (x=0.315) by neutron diffraction

Murata, Takeshi*; Kushida, Hiroaki*; Terai, Tomoyuki*; Kakeshita, Tomoyuki*; Osakabe, Toyotaka; Kakurai, Kazuhisa

no journal, ,

no abstracts in English

Oral presentation

Neutron diffraction studies on the martensite phase and intermediate phase of Ni $_{2}$ MnGa alloy crystal

Kushida, Hiroaki*; Fukuda, Kodai*; Terai, Tomoyuki*; Fukuda, Takashi*; Kakeshita, Tomoyuki*; Oba, Takuya*; Osakabe, Toyotaka; Kakurai, Kazuhisa

no journal, ,

no abstracts in English

Oral presentation

Magnetic structure analysis in La $_{2-2x}$ Sr $_{1+2x}$ Mn $_{2}$ O $_{7}$ (x=0.307) by a neutron diffraction measurement

Sonomura, Hirosuke*; Terai, Tomoyuki*; Kakeshita, Tomoyuki*; Osakabe, Toyotaka; Kakurai, Kazuhisa

no journal, ,

no abstracts in English

Oral presentation

Direct observation of higher order atomistic structure in Ti $_{50}$ Ni $_{44}$ Fe $_{6}$ at lower temperature phase

Hu, W.; Hayashi, Koichi*; Happo, Naohisa*; Hosokawa, Shinya*; Terai, Tomoyuki*; Fukuda, Takashi*; Kakeshita, Tomoyuki*; Takahashi, Masamitsu

no journal, ,

Oral presentation

Precursor phenomena of martensitic transformation in Fe-doped Ti-Ni alloys studied by X-ray fluorescence holography

Hu, W.; Hayashi, Koichi*; Happo, Naohisa*; Terai, Tomoyuki*; Fukuda, Takashi*; Kakeshita, Tomoyuki*; Takahashi, Masamitsu

no journal, ,

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X-ray free electron laser observation of ultrafast lattice behaviour under femtosecond laser-driven shock compression in iron

Neutron diffraction study on martensitic transformation under compressive stress in an ordered Fe $_{3}$ Pt

Stress and temperature dependence of the structure of the martensite and X-phase in Ni $_{2}$ MnGa

Structural relation between the X-phase and other phases in Ni $_{2}$ MnGa

Incommensurate structures of intermediate phase and martensite phase in Ni $_{2}$ MnGa

Neutron diffraction study on stress-induced X-phase in Ni $_{2}$ MnGa

Crystal structure of martensite and intermediate phases in Ni $_{2}$ MnGa studied by neutron diffraction

Direct observation of field-induced variant transformation in FePt using pulsed magnetic field X-ray diffraction

Meta-magnetic transition of La $_{1.37}$ Sr $_{1.63}$ Mn $_{2}$ O $_{7}$ under hydrostatic pressure

Magnetic structure analysis on La $_{2-2x}$ Sr $_{1+2x}$ Mn $_{2}$ O $_{7}$ (x=0.315) by neutron diffraction

Neutron diffraction studies on the martensite phase and intermediate phase of Ni $_{2}$ MnGa alloy crystal

Magnetic structure analysis in La $_{2-2x}$ Sr $_{1+2x}$ Mn $_{2}$ O $_{7}$ (x=0.307) by a neutron diffraction measurement

Direct observation of higher order atomistic structure in Ti $_{50}$ Ni $_{44}$ Fe $_{6}$ at lower temperature phase

Precursor phenomena of martensitic transformation in Fe-doped Ti-Ni alloys studied by X-ray fluorescence holography