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Journal Articles

Direct measurement of the evolution of magnetism and superconductivity toward the quantum critical point

Higemoto, Wataru; Yokoyama, Makoto*; Ito, Takashi; Suzuki, Taiga*; Raymond, S.*; Yanase, Yoichi*

Proceedings of the National Academy of Sciences of the United States of America, 119(49), p.e2209549119_1 - e2209549119_6, 2022/11

no abstracts in English

Journal Articles

Two-step Mott transition in Ni(S,Se)$$_2$$; $$mu$$SR studies and charge-spin percolation model

Sheng, Q.*; Kaneko, Tatsuya*; Yamakawa, Kohtaro*; Guguchia, Z.*; Gong, Z.*; Zhao, G.*; Dai, G.*; Jin, C.*; Guo, S.*; Fu, L.*; et al.

Physical Review Research (Internet), 4(3), p.033172_1 - 033172_14, 2022/09

Journal Articles

Quantum critical spin-liquid-like behavior in the $$S$$ = $$frac{1}{2}$$ quasikagome-lattice compound CeRh$$_{1-x}$$Pd$$_x$$Sn investigated using muon spin relaxation and neutron scattering

Tripathi, R.*; Adroja, D. T.*; Ritter, C.*; Sharma, S.*; Yang, C.*; Hillier, A. D.*; Koza, M. M.*; Demmel, F.*; Sundaresan, A.*; Langridge, S.*; et al.

Physical Review B, 106(6), p.064436_1 - 064436_17, 2022/08

 Times Cited Count:0 Percentile:0(Materials Science, Multidisciplinary)

Journal Articles

Critical slowing-down and field-dependent paramagnetic fluctuations in the skyrmion host EuPtSi; $$mu$$SR and NMR studies

Higa, Nonoka*; Ito, Takashi; Yogi, Mamoru*; Hattori, Taisuke; Sakai, Hironori; Kambe, Shinsaku; Guguchia, Z.*; Higemoto, Wataru; Nakashima, Miho*; Homma, Yoshiya*; et al.

Physical Review B, 104(4), p.045145_1 - 045145_7, 2021/07

 Times Cited Count:0 Percentile:0(Materials Science, Multidisciplinary)

Journal Articles

Negatively charged muonium and related centers in solids

Ito, Takashi; Higemoto, Wataru; Shimomura, Koichiro*

Journal of the Physical Society of Japan, 89(5), p.051007_1 - 051007_8, 2020/05

 Times Cited Count:3 Percentile:39.72(Physics, Multidisciplinary)

Journal Articles

Polaronic nature of a muonium-related paramagnetic center in SrTiO$$_3$$

Ito, Takashi; Higemoto, Wataru; Koda, Akihiro*; Shimomura, Koichiro*

Applied Physics Letters, 115(19), p.192103_1 - 192103_4, 2019/11

 Times Cited Count:6 Percentile:40.49(Physics, Applied)

Journal Articles

Materials and Life Science Experimental Facility at the Japan Proton Accelerator Research Complex, 4; The Muon Facility

Higemoto, Wataru; Kadono, Ryosuke*; Kawamura, Naritoshi*; Koda, Akihiro*; Kojima, Kenji*; Makimura, Shunsuke*; Matoba, Shiro*; Miyake, Yasuhiro*; Shimomura, Koichiro*; Strasser, P.*

Quantum Beam Science (Internet), 1(1), p.11_1 - 11_24, 2017/06

A muon experimental facility, known as the Muon Science Establishment (MUSE), is one of the user facilities at the Japan Proton Accelerator Research Complex, along with those for neutrons, hadrons, and neutrinos. The MUSE facility is integrated into the Materials and Life Science Facility building in which a high-energy proton beam that is shared with a neutron experiment facility delivers a variety of muon beams for research covering diverse scientific fields. In this review, we present the current status of MUSE, which is still in the process of being developed into its fully fledged form.

Journal Articles

Excited configurations of hydrogen in the BaTiO$$_{3-x}$$H$$_x$$ perovskite lattice associated with hydrogen exchange and transport

Ito, Takashi; Koda, Akihiro*; Shimomura, Koichiro*; Higemoto, Wataru; Matsuzaki, Teiichiro*; Kobayashi, Yoji*; Kageyama, Hiroshi*

Physical Review B, 95(2), p.020301_1 - 020301_5, 2017/01

 Times Cited Count:10 Percentile:49.97(Materials Science, Multidisciplinary)

Journal Articles

Volume-wise destruction of the antiferromagnetic Mott insulating state through quantum tuning

Frandsen, B. A.*; Liu, L.*; Cheung, S. C.*; Guguchia, Z.*; Khasanov, R.*; Morenzoni, E.*; Munsie, T. J. S.*; Hallas, A. M.*; Wilson, M. N.*; Cai, Y.*; et al.

Nature Communications (Internet), 7, p.12519_1 - 12519_8, 2016/08

 Times Cited Count:27 Percentile:75.42(Multidisciplinary Sciences)

Journal Articles

Online monitoring of negative muon beam profiles at J-PARC MUSE using a gated image intensifier

Ito, Takashi; Higemoto, Wataru; Ninomiya, Kazuhiko*; Kubo, Kenya*; Kawamura, Naritoshi*; Shimomura, Koichiro*

JPS Conference Proceedings (Internet), 8, p.036014_1 - 036014_5, 2015/09

Journal Articles

Tuning of ultra-slow muon transport system

Adachi, Taihei*; Ikedo, Yutaka*; Nishiyama, Kusuo*; Yabuuchi, Atsushi*; Nagatomo, Takashi*; Strasser, P.*; Ito, Takashi; Higemoto, Wataru; Kojima, Kenji*; Makimura, Shunsuke*; et al.

JPS Conference Proceedings (Internet), 8, p.036017_1 - 036017_4, 2015/09

Journal Articles

Perturbation on hyperfine-enhanced $$^{141}$$Pr nuclear spin dynamics associated with antiferroquadrupolar order in PrV$$_2$$Al$$_{20}$$

Ito, Takashi; Higemoto, Wataru; Sakai, Akito*; Nakatsuji, Satoru*; Tsujimoto, Masaki*

Physical Review B, 92(12), p.125151_1 - 125151_5, 2015/09

 Times Cited Count:4 Percentile:20.84(Materials Science, Multidisciplinary)

Journal Articles

Nondestructive elemental depth-profiling analysis by muonic X-ray measurement

Ninomiya, Kazuhiko*; Kubo, Kenya*; Nagatomo, Takashi*; Higemoto, Wataru; Ito, Takashi; Kawamura, Naritoshi*; Strasser, P.*; Shimomura, Koichiro*; Miyake, Yasuhiro*; Suzuki, Takao*; et al.

Analytical Chemistry, 87(9), p.4597 - 4600, 2015/05

 Times Cited Count:19 Percentile:61.98(Chemistry, Analytical)

Journal Articles

Depth-resolved measurements of current-induced spin accumulation in nonmagnetic metal thin films using ultra slow muon

Ito, Takashi; Higemoto, Wataru

KURRI-KR-202, p.42 - 45, 2015/03

no abstracts in English

Journal Articles

Electronic structure of hydrogen impurities in a dielectric material probed by muonium spectroscopy

Ito, Takashi; Higemoto, Wataru; Koda, Akihiro*; Shimomura, Koichiro*

Shiki, 26, P. 5, 2015/03

no abstracts in English

Journal Articles

Online full two-dimensional imaging of pulsed muon beams at J-PARC MUSE using a gated image intensifier

Ito, Takashi; Toyoda, Akihisa*; Higemoto, Wataru; Tajima, Minori*; Matsuda, Yasuyuki*; Shimomura, Koichiro*

Nuclear Instruments and Methods in Physics Research A, 754, p.1 - 9, 2014/08

 Times Cited Count:7 Percentile:51.25(Instruments & Instrumentation)

Journal Articles

A New X-ray fluorescence spectroscopy for extraterrestrial materials using muon beam

Terada, Kentaro*; Ninomiya, Kazuhiko*; Osawa, Takahito; Tachibana, Shogo*; Miyake, Yasuhiro*; Kubo, Kenya*; Kawamura, Naritoshi*; Higemoto, Wataru; Tsuchiyama, Akira*; Ebihara, Mitsuru*; et al.

Scientific Reports (Internet), 4, p.5072_1 - 5072_6, 2014/05

 Times Cited Count:34 Percentile:79.4(Multidisciplinary Sciences)

After the discovery of X-ray by Rontgen, mankind got a new eye to see through things. This fluoroscopy, so-called X-ray radiography that gives the density distribution of the inside of an object, has been applied to the vast research field such as natural/material/medical sciences, industry and technology. The recent development on the intense pulsed muon source at J-PARC MUSE (rate of 106 cps for 60 MeV/c) enabled us to pioneer a new frontier of analytical sciences. Here we report on a non-destructive elemental analysis by using muon capture. Controlling muon's momentum from 32.5 to 57.5 MeV/c. we successfully demonstrated a depth-profile analysis of light elements from several mm-thick layered materials, and non-destructive bulk analyses of meteorites containing organics. Now it is a beginning to utilize a new eye, muon radiography.

Journal Articles

Operation status of interlock system of Materials and Life Science Experimental Facility (MLF) in J-PARC

Sakai, Kenji; Kai, Tetsuya; Oi, Motoki; Watanabe, Akihiko; Nakatani, Takeshi; Higemoto, Wataru; Meigo, Shinichiro; Sakamoto, Shinichi; Takada, Hiroshi; Futakawa, Masatoshi

Progress in Nuclear Science and Technology (Internet), 4, p.264 - 267, 2014/04

no abstracts in English

Journal Articles

Local magnetic field and positive muon diffusion in yttrium iron garnet

Ito, Takashi; Higemoto, Wataru; Luetkens, H.*

JPS Conference Proceedings (Internet), 2, p.010209_1 - 010209_5, 2014/03

$$mu$$$$^{+}$$SR experiments on yttrium iron garnet (YIG) single crystals under applied temperature gradient were planned to investigate thermally perturbed magnetization dynamics in YIG, which carries a spin current. A feasibility $$mu$$$$^{+}$$SR study was performed in the D1 area, J-PARC MUSE using YIG single crystals without applied temperature gradient. Conventional pulsed $$mu$$$$^{+}$$SR measurements were carried out under a longitudinal magnetic field of 0.1 T to align the direction of magnetic domains in YIG. The longitudinal relaxation rate was obtained as a function of temperature below 300 K. No significant temperature variation was found below 150 K, ensuring that the implanted muons are stationary at low temperatures. In the presentation, we described the temperature-gradient experiment in preparation as well as details of the feasibility $$mu$$$$^{+}$$SR study.

Journal Articles

Electronic state of hydrogen/muonium in barium titanate

Ito, Takashi; Higemoto, Wataru

Meson, (39), p.15 - 17, 2014/00

no abstracts in English

192 (Records 1-20 displayed on this page)