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Journal Articles

Nuclear magnetic relaxation time near the compensation temperature in a ferrimagnetic insulator

Mori, Michiyasu

Journal of the Physical Society of Japan, 89(11), p.114705_1 - 114705_7, 2020/11

https://doi.org/10.7566/JPSJ.89.114705

Journal Articles

Non-reciprocal pumping of surface acoustic waves by spin wave resonance

Yamamoto, Kei; Yu, W.*; Yu, T.*; Puebla, J.*; Xu, M.*; Maekawa, Sadamichi*; Bauer, G.*

Journal of the Physical Society of Japan, 89(11), p.113702_1 - 113702_5, 2020/11

https://doi.org/10.7566/JPSJ.89.113702

Journal Articles

Dynamics of atomic hydrogen in palladium probed by neutron spectroscopy

Kofu, Maiko; Yamamuro, Osamu*

Journal of the Physical Society of Japan, 89(5), p.051002_1 - 051002_12, 2020/05

https://doi.org/10.7566/JPSJ.89.051002
 Times Cited Count：0 Percentile：100(Physics, Multidisciplinary)

The behavior of hydrogen in metals has attracted much attention in fundamental and applied research areas for many decades. Among metals, palladium is remarkable in that it can absorb large quantities of hydrogen, and hydrogen atoms are highly mobile in the fcc Pd lattice. The dynamics of hydrogen in Pd have been investigated by means of neutron spectroscopy which is the best tool to provide insights into microscopic dynamics of hydrogen atoms. In this article, we review recent and historical neutron scattering works to facilitate the latest understanding of the hydrogen dynamics in bulk and nanometer-sized Pd hydrides.

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

https://doi.org/10.7566/JPSJ.89.051007
 Times Cited Count：0 Percentile：100(Physics, Multidisciplinary)

Journal Articles

Horizontal line nodes in Sr$$_2$$RuO$$_4$$ proved by spin resonance

Iida, Kazuki*; Kofu, Maiko; Suzuki, Katsuhiro*; Murai, Naoki; Kawamura, Seiko; Kajimoto, Ryoichi; Inamura, Yasuhiro; Ishikado, Motoyuki*; Hasegawa, Shunsuke*; Masuda, Takatsugu*; et al.

Journal of the Physical Society of Japan, 89(5), p.053702_1 - 053702_5, 2020/05

https://doi.org/10.7566/JPSJ.89.053702
 Times Cited Count：1 Percentile：24.83(Physics, Multidisciplinary)

Journal Articles

Electronic structure of trivalent compound EuPd$$_3$$ studied by soft X-ray angle-resolved photoemission spectroscopy

Kawasaki, Ikuto; Kobata, Masaaki; Fujimori, Shinichi; Takeda, Yukiharu; Yamagami, Hiroshi; Nakamura, Ai*; Iha, Wataru*; Hedo, Masato*; Nakama, Takao*; Onuki, Yoshichika*

Journal of the Physical Society of Japan, 89(4), p.044704_1 - 044704_6, 2020/04

https://doi.org/10.7566/JPSJ.89.044704
 Times Cited Count：0 Percentile：100(Physics, Multidisciplinary)

Journal Articles

Anomalous radioisotope production for $$^{68}$$ZnO using polyethylene by accelerator neutrons

Tsukada, Kazuaki; Nagai, Yasuki*; Hashimoto, Shintaro; Minato, Futoshi; Kawabata, Masako*; Hatsukawa, Yuichi*; Hashimoto, Kazuyuki*; Watanabe, Satoshi*; Saeki, Hideya*; Motoishi, Shoji*

Journal of the Physical Society of Japan, 89(3), p.034201_1 - 034201_7, 2020/03

https://doi.org/10.7566/JPSJ.89.034201
 Times Cited Count：0 Percentile：100(Physics, Multidisciplinary)

We found anomalously large yields of $$^{67}$$Ga, $$^{66}$$Ga, $$^{rm 69m}$$Zn and $$^{64}$$Cu by neutron irradiation on a $$^{68}$$ZnO sample in a polyethylene shield. Neutron beams are generated from the $$^{9}$$Be($$d,n$$) reaction for 50 MeV deuterons. The yields obtained were more than 20 times larger than those in the unshielded sample. On the other hand, the yields of $$^{67}$$Ga, $$^{66}$$Ga, $$^{rm 69m}$$Zn and $$^{64}$$Cu from a metallic $$^{68}$$Zn sample and the yields of $$^{67}$$Cu, $$^{65}$$Ni and $$^{65}$$Zn from the $$^{68}$$ZnO and $$^{68}$$Zn samples were almost insensitive to the shield conditions. This finding would provide us a unique capability of accelerator neutrons to simultaneously produce a large amount of several radioisotopes, including proton induced reaction products, by using a single sample. The experimental data were compared with the yields estimated by using the Particle and Heavy Ion Transport code System and the result was discussed.

Journal Articles

Spin glass behavior in EuCu$$_2$$Si$$_2$$ single crystal grown by the flux method

Takeuchi, Tetsuya*; Haga, Yoshinori; Taniguchi, Toshifumi*; Iha, Wataru*; Ashitomi, Yosuke*; Yara, Tomoyuki*; Kida, Takanori*; Tahara, Taimu*; Hagiwara, Masayuki*; Nakashima, Miho*; et al.

Journal of the Physical Society of Japan, 89(3), p.034705_1 - 034705_15, 2020/03

https://doi.org/10.7566/JPSJ.89.034705
 Times Cited Count：0 Percentile：100(Physics, Multidisciplinary)

Journal Articles

Crystal structure and cation distribution of the X-type hexaferrite Sr$$_{2}$$Co$$_{2}$$Fe$$_{28}$$O$$_{46}$$

Komabuchi, Mai*; Urushihara, Daisuke*; Asaka, Toru*; Fukuda, Koichiro*; Ohara, Takashi; Munakata, Koji*; Ishikawa, Yoshihisa*

Journal of the Physical Society of Japan, 89(3), p.034601_1 - 034601_5, 2020/03

https://doi.org/10.7566/JPSJ.89.034601
 Times Cited Count：0 Percentile：100(Physics, Multidisciplinary)

Journal Articles

Pseudo-triplet 5$$f$$ electron state in the heavy fermion superconductor NpPd$$_5$$Al$$_2$$

Metoki, Naoto; Aoki, Dai*; Griveau, J.-C.*; Otsuki, Junya*

Journal of the Physical Society of Japan, 89(2), p.024707_1 - 024707_6, 2020/02

https://doi.org/10.7566/JPSJ.89.024707
 Times Cited Count：2 Percentile：10.49(Physics, Multidisciplinary)

The pseudo triplet ground state in the heavy-fermion superconductor NpPd$$_5$$Al$$_2$$ was concluded. The magnetic susceptibility $$chi$$ can be reproduced by the singlet ground state $$Gamma_{t1}$$ with the main component of $$|0rangle$$ and the first excited doublet $$Gamma_{t5}$$ dominated by $$|pm1rangle$$ at $$Delta E=49$$,K. The magnetization curve can be explained from the effective local hamiltonian for pseudo spin $$J$$=1 with $$DJ_z^2$$($$D=Delta E$$) equivalent to the quadrupole operator $$O_{20}$$. The specific heat can be described with the Kondo model normalized to give the entropy R$$ln3$$, corresponding to the pseudo triplet state. The derived Kondo temperature $$T_{rm K}=55$$,K comparable to the level splitting $$Delta E=49$$,K indicates the contribution of the excited doublet $$Gamma_{t5}$$ to the possible multi-channel Kondo effect.

Journal Articles

Weak-coupling mean-field theory of magnetic properties of NiGa$$_{2}$$S$$_{4}$$

Nomura, Takuji*; Yamamoto, Yuji*; Yoshii, Kenji

Journal of the Physical Society of Japan, 89(2), p.024704_1 - 024704_10, 2020/02

https://doi.org/10.7566/JPSJ.89.024704
 Times Cited Count：0 Percentile：100(Physics, Multidisciplinary)

We report a mean-field theoretical study of a triangular magnet NiGa$$_{2}$$S$$_{4}$$. Using the localized Wannier functions obtained from a band calculation, the most stable magnetic state was found to be spiral with the incommensurate structure, consistent with the result from neutron diffraction. The Ni-site Coulomb interaction was not strong (U about 2 eV). The spin value at the Ni site was also not so large about 1.1 mb. These results mean that the hybridization between Ni and S may play an important role. The dynamical spin correlation function was found to in accord with the results from neutron scattering.

Journal Articles

$$f$$-electron states of heavy-fermion superconductor NpPd$$_5$$Al$$_2$$ and rare-earth- and actinide-based isostructural compounds

Metoki, Naoto

Journal of the Physical Society of Japan, 89(2), p.025001_1 - 025001_2, 2020/02

https://doi.org/10.7566/JPSJ.89.025001
 Times Cited Count：0 Percentile：100(Physics, Multidisciplinary)

Good correspondence of the $$LS$$ and $$j$$-$$j$$ coupling scheme can be realized in the $$f$$-electron states of the heavy-fermion superconductor NpPd$$_5$$Al$$_2$$ and the isostructural family. The rare-earth and actinide elements are under a common strong uniaxial point charge potential with tetragonal point symmetry $$D_{4h}$$. The systematic development of the $$f$$-electron states can be understood in the $$LS$$ coupling scheme of $$^nf$$ configuration (the number of $$f$$ electrons $$nleq6$$). We can find the corresponding states in $$j$$-$$j$$ coupling scheme with three $$f$$-orbitals $$Gamma_7^{rm; i}, Gamma_7^{rm; ii}$$, and $$Gamma_6$$ determined from CePd$$_5$$Al$$_2$$ with $$^1f$$ configuration.

Journal Articles

Heavy fermion state of YbNi$$_2$$Si$$_3$$ without local inversion symmetry

Nakamura, Shota*; Hyodo, Kazushi*; Matsumoto, Yuji*; Haga, Yoshinori; Sato, Hitoshi*; Ueda, Shigenori*; Mimura, Kojiro*; Saiki, Katsuyoshi*; Iso, Kosei*; Yamashita, Minoru*; et al.

Journal of the Physical Society of Japan, 89(2), p.024705_1 - 024705_5, 2020/02

https://doi.org/10.7566/JPSJ.89.024705
 Times Cited Count：0 Percentile：100(Physics, Multidisciplinary)

Journal Articles

Multi-step magnetic transitions in EuNiIn$$_4$$

Ikeda, Shugo*; Kaneko, Koji; Tanaka, Yuki*; Kawasaki, Takuro; Hanashima, Takayasu*; Munakata, Koji*; Nakao, Akiko*; Kiyanagi, Ryoji; Ohara, Takashi; Mochizuki, Kensei*; et al.

Journal of the Physical Society of Japan, 89(1), p.014707_1 - 014707_7, 2020/01

https://doi.org/10.7566/JPSJ.89.014707
 Times Cited Count：0 Percentile：100(Physics, Multidisciplinary)

Journal Articles

Various topological spin textures in a two-dimensional Heisenberg ferromagnet with dipole-dipole interactions

Yokota, Terufumi

Journal of the Physical Society of Japan, 89(1), p.014706_1 - 014706_6, 2020/01

https://doi.org/10.7566/JPSJ.89.014706
 Times Cited Count：0 Percentile：100(Physics, Multidisciplinary)

Journal Articles

Crystal structures of highly hole-doped layered perovskite nickelate Pr$$_{2-x}$$Sr$$_{x}$$NiO$$_{4}$$ studied by neutron diffraction

Kajimoto, Ryoichi; Nakajima, Kenji; Fujita, Masaki*; Ishikado, Motoyuki*; Torii, Shuki*; Ishikawa, Yoshihisa*; Miao, P.*; Kamiyama, Takashi*

Journal of the Physical Society of Japan, 88(11), p.114602_1 - 114602_6, 2019/11

https://doi.org/10.7566/JPSJ.88.114602
 Times Cited Count：0 Percentile：100(Physics, Multidisciplinary)

Journal Articles

Electronic structure of UTe$$_2$$ studied by photoelectron spectroscopy

Fujimori, Shinichi; Kawasaki, Ikuto; Takeda, Yukiharu; Yamagami, Hiroshi; Nakamura, Ai*; Homma, Yoshiya*; Aoki, Dai*

Journal of the Physical Society of Japan, 88(10), p.103701_1 - 103701_5, 2019/10

https://doi.org/10.7566/JPSJ.88.103701
 Times Cited Count：4 Percentile：21.05(Physics, Multidisciplinary)

Journal Articles

Magnetic field induced triple-$$q$$ magnetic order in trillium lattice antiferromagnet EuPtSi studied by resonant X-ray scattering

Tabata, Chihiro*; Matsumura, Takeshi*; Nakao, Hironori*; Michimura, Shinji*; Kakihana, Masashi*; Inami, Toshiya*; Kaneko, Koji; Hedo, Masato*; Nakama, Takao*; Onuki, Yoshichika*

Journal of the Physical Society of Japan, 88(9), p.093704_1 - 093704_5, 2019/09

https://doi.org/10.7566/JPSJ.88.093704
 Times Cited Count：3 Percentile：60.52(Physics, Multidisciplinary)

Journal Articles

Local structure of functional solids

Shamoto, Shinichi

Journal of the Physical Society of Japan, 88(8), p.081008_1 - 081008_11, 2019/08

https://doi.org/10.7566/JPSJ.88.081008
 Times Cited Count：1 Percentile：60.52(Physics, Multidisciplinary)

Journal Articles

Numerical investigation of magnetic bubble types in a two-dimensional ferromagnetic system with dipole-dipole interactions

Yokota, Terufumi

Journal of the Physical Society of Japan, 88(8), p.084702_1 - 084702_6, 2019/08

https://doi.org/10.7566/JPSJ.88.084702
 Times Cited Count：1 Percentile：60.52(Physics, Multidisciplinary)

1011 (Records 1-20 displayed on this page)