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Journal Articles

Crystal structures of ReO$$_3$$ under hydrostatic pressure; A Combined neutron, X-ray, Raman, and first-principles calculation study

Efthimiopoulos, I.*; Klotz, S.*; Kunc, K.*; Baptiste, B.*; Chauvigne, P.*; Hattori, Takanori

Physical Review B, 111(13), p.134103_1 - 134103_13, 2025/04

https://doi.org/10.1103/PhysRevB.111.134103

We present a comprehensive study of the high pressure behaviour of ReO$$_3$$ using X-ray and neutron diffraction, Raman scattering and first-principles calculations to 15 GPa. We show that the ambient pressure $$Pm$$$=3$m$$ structure converts at 0.7 GPa in a continuous phase transition directly to a cubic phase with space group $$Im$$$=3 which is then stable up to at least 15 GPa. We show that previous reports of monoclinic $C2/c$$ and rhombohedral $$R$$$=3$c$$ structures in this pressure range are an artifact due to an alteration of the sample by high-flux synchrotron X-ray radiation. The structural pressure dependence of the $$Im$$$=3 phase is reported as well as the precise equation of state. Raman scattering data of both natural and isotopically enriched $^{18}$$O samples are presented. The data shed light onto the unusual transition and densification mechanism due to progressive tilting of essentially rigid ReO$$_6$$ octahedra.

Journal Articles

Magnetoferroelectric phase transition induced by latent spin-lattice coupling in the geometrically frustrated magnet $$mathrm{CuFe_{0.95}Al_{0.05}O_{2}}$$

Tamatsukuri, Hiromu; Uchihara, Takeru*; Mitsuda, Setsuo*; Ishii, Yuta*; Nakao, Hironori*; Takehana, Kanji*; Imanaka, Yasutaka*

Physical Review B, 111(13), p.134403_1 - 134403_9, 2025/04

https://doi.org/10.1103/PhysRevB.111.134403

Journal Articles

Mechanical multiplexer of nuclear spin states

Chudo, Hiroyuki; Yokoi, Naoto*; Matsuo, Mamoru; Harii, Kazuya*; Suzuki, Jun*; Imai, Masaki; Sato, Masahiro*; Maekawa, Sadamichi*; Saito, Eiji*

Physical Review Letters, 134(13), p.130603_1 - 130603_5, 2025/04

https://doi.org/10.1103/PhysRevLett.134.130603

Journal Articles

Nonreciprocal resonant surface acoustic wave absorption in Y$$_{3}$$Fe$$_{5}$$O$$_{12}$$

Ba, Y.*; Yamamoto, Kei; 6 of others*

Physical Review B, 111(10), p.104401_1 - 104401_15, 2025/03

https://doi.org/10.1103/PhysRevB.111.104401

Journal Articles

Spin-singlet ground state with spin gap in $$S_{rm eff}$$ = $$frac{1}{2}$$ antiferromagnetic tetramer compound Yb$$_2$$SiO$$_5$$

Hase, Masashi*; Kaneko, Koji; Tabata, Chihiro; Yamauchi, Hiroki; Tsujii, Naohito*; D$"o$nni, A.*

Physical Review B, 111(9), p.094403_1 - 094403_9, 2025/03

https://doi.org/10.1103/PhysRevB.111.094403

Journal Articles

Intrinsic low-temperature magnetic properties on ultraclean UTe$$_2$$ with $$T_c$$ = 2.1 K revealed by $$^{125}$$Te NMR

Matsumura, Hiroki*; Tokunaga, Yo; Sakai, Hironori; Kambe, Shinsaku; 13 of others*

Physical Review B, 111(9), p.094507_1 - 094507_9, 2025/03

https://doi.org/10.1103/PhysRevB.111.094507

Journal Articles

Magnetic and quadrupole coupling emerging in NdB$$_4$$ with geometrically frustrated orthogonal antiferromagnetic dimer

Metoki, Naoto; Yamauchi, Hiroki; Hagihara, Masato; Watanuki, Ryuta*; Kawamura, Seiko; Kofu, Maiko*; Nakajima, Kenji; Matsuda, Masaaki*

Physical Review B, 111(10), p.104424_1 - 104424_9, 2025/03

https://doi.org/10.1103/PhysRevB.111.104424

Inelastic neutron scattering experiments were carried out to understand the unusual successive order in NdB$$_4$$ with the frustrated Shatry-Sutherland (SS) lattice. The pseudo-quartet with $$|pm frac{5}{2}rangle$$ and $$|pm frac{7}{2}rangle$$ splits into four levels in the magnetically ordered states. The spectra can be explained with the on-site magnetic interaction $$langle J_x rangle J_x$$, the coupling of $$J_x$$ with quadrupole $$O_{zx}$$, and the uniaxial crystalline electric field. The $$f$$-electron states reproduce the temperature dependences of the in-plane moment $$m_perp=langle J_x rangle$$ which is the primary order parameter, and a weakly induced $$m_c=langle J_z rangle$$ as the secondary order parameter. The magnetic-quadrupole coupling emerges and play essential role under the geometrical frustration, where the Heisenberg interactions are cancelled out.

Journal Articles

Comprehensive Bayesian machine learning approach to estimating the total nuclear capture rate of a negative muon

Iwamoto, Hiroki; Niikura, Megumi*; Mizuno, Rurie*

Physical Review C, 111(3), p.034614_1 - 034614_13, 2025/03

https://doi.org/10.1103/PhysRevC.111.034614

A negative muon in the 1$$s$$ orbital can be captured by a nucleus, leading to subsequent nuclear dacay processes. The accurate prediction of total nuclear capture rates, which could be crucial in fields such as geochemistry, nuclear astrophysics, and semiconductor device developement, remains challenging with curren physics models. This study aims to develop a comprehensive machine learning (ML) model to estimate the total nuclear capture rate of a negative muon, integrating physical information and experimental data within a Bayesian framework. The study employs an ML model based on Gaussian process regression, using experimental data with evaluated uncertainties as training data. The model incoporates the Goulard-Primakoff formula as prior information and applies a transfer learning approach to improve estimations, particularly in data-sparse regions. The developed ML model is shown to outperform theoretical physics models in both accuracy and comprehensiveness, with key experiments identified to further refine the model performance. The estimates generated in this study will be incorporated into muon nuclear data applied accross a variety of research fields.

Journal Articles

Production and in-medium modification of $$phi$$ mesons in proton-nucleus reactions from a transport approach

Gubler, P.; Ichikawa, Masaya; Song, T.*; Bratkovskaya, E.*

Physical Review C, 111(3), p.034908_1 - 034908_12, 2025/03

https://doi.org/10.1103/PhysRevC.111.034908

Journal Articles

Transverse asymmetry of individual $$gamma$$ rays in the $$^{139}$$La($$overrightarrow{n},gamma$$)$$^{140}$$La reaction

Okuizumi, Mao*; Auton, C. J.*; Endo, Shunsuke; Fujioka, Hiroyuki*; Hirota, Katsuya*; Ino, Takashi*; Ishizaki, Kohei*; Kimura, Atsushi; Kitaguchi, Masaaki*; Koga, Jun*; et al.

Physical Review C, 111(3), p.034611_1 - 034611_6, 2025/03

https://doi.org/10.1103/PhysRevC.111.034611

Journal Articles

Physical properties of intergrowth compound Eu$$_{2}$$CuZn$$_{2}$$P$$_{3}$$

May, A. F.*; Tabata, Chihiro; Okamoto, Satoshi*; Ortiz, B. R.*; Christianson, A. D.*; Yan, J.*; Kaneko, Koji; McGuire, M. A.*

Physical Review Materials (Internet), 9(2), p.024406_1 - 024406_13, 2025/02

https://doi.org/10.1103/PhysRevMaterials.9.024406
 Times Cited Count：0

Journal Articles

Multiple metamagnetic transitions in the helical antiferromagnet CeVGe$$_{3}$$

Jin, H.*; Choi, E. S.*; Wu, H.-C.*; Curro, N. J.*; Nawa, Kazuhiro*; Sato, Taku*; Kiyanagi, Ryoji; Ohara, Takashi; Klavins, P.*; Taufour, V.*

Physical Review B, 111(3), p.035103_1 - 035103_7, 2025/01

https://doi.org/10.1103/PhysRevB.111.035103
 Times Cited Count：0 Percentile：0.00(Materials Science, Multidisciplinary)

Journal Articles

Theory of the spin Seebeck effect influenced by crystal-field excitations in Tb$$_3$$Fe$$_5$$O$$_{12}$$

Mori, Michiyasu; Tomasello, B.*; Ziman, T.*

Physical Review B, 111(1), p.014407_1 - 014407_12, 2025/01

https://doi.org/10.1103/PhysRevB.111.014407
 Times Cited Count：0 Percentile：0.00(Materials Science, Multidisciplinary)

Journal Articles

Observation of nonreciprocal diffraction of surface acoustic wave

Nii, Yoichi*; Yamamoto, Kei; Kanno, Masaki*; Maekawa, Sadamichi*; Onose, Yoshinori*

Physical Review Letters, 134(2), p.027001_1 - 027001_5, 2025/01

https://doi.org/10.1103/PhysRevLett.134.027001
 Times Cited Count：1 Percentile：94.79(Physics, Multidisciplinary)

Journal Articles

Magnetic excitations in the noncentrosymmetric magnet Sr$$_{2}$$MnSi$$_{2}$$O$$_{7}$$

Kawamata, Masahiro*; Pang, X.*; Murakawa, Hiroshi*; Kawamura, Seiko; Nakajima, Kenji; Masuda, Hidetoshi*; Fujita, Masaki*; Hanasaki, Noriaki*; Onose, Yoshinori*; Nambu, Yusuke*

Physical Review Materials (Internet), 9(1), p.014407_1 - 014407_6, 2025/01

https://doi.org/10.1103/PhysRevMaterials.9.014407

Journal Articles

Possible field-induced quantum state in a rhombic lattice antiferromagnet KCoPO$$_{4}$$$$cdot$$H$$_{2}$$O

Fujihara, Masayoshi; Hagihara, Masato; Koda, Akihiro*; Nakamura, Jumpei*; Matsuo, Akira*; Kindo, Koichi*; Ishikado, Motoyuki*

Physical Review Materials (Internet), 9(1), p.014406_1 - 014406_9, 2025/01

https://doi.org/10.1103/PhysRevMaterials.9.014406
 Times Cited Count：0 Percentile：0.00(Materials Science, Multidisciplinary)

Journal Articles

Surface structure of the 3$$times$$3-Si phase on Al(111), studied by the multiple usages of positron diffraction and core-level photoemission spectroscopy

Sato, Yusuke*; Fukaya, Yuki; 14 of others*

Physical Review Materials (Internet), 9(1), p.014002_1 - 014002_11, 2025/01

https://doi.org/10.1103/PhysRevMaterials.9.014002
 Times Cited Count：0 Percentile：0.00(Materials Science, Multidisciplinary)

no abstracts in English

Journal Articles

Interfacial Dzyaloshinskii-Moriya interaction in nonmagnetic/noncollinear-antiferromagnetic bilayers

Yamane, Yuta*; Araki, Yasufumi; Fukami, Shunsuke*

Physical Review B, 111(14), p.144412_1 - 144412_9, 2025/00

https://doi.org/10.1103/PhysRevB.111.144412

Journal Articles

First measurement of missing energy due to nuclear effects in monoenergetic neutrino charged-current interactions

Marzec, E.*; Dodo, Taku; Haga, Katsuhiro; Harada, Masahide; Hasegawa, Shoichi; Kasugai, Yoshimi; Kinoshita, Hidetaka; Masuda, Shiho; Meigo, Shinichiro; Sakai, Kenji; et al.

Physical Review Letters, 134, p.081801_1 - 081801_9, 2025/00

https://doi.org/10.1103/PhysRevLett.134.081801

Journal Articles

Vicinage effect on the yield of convoy electrons emitted from thin carbon foil induced by the penetration of 3.5 MeV/atom C$$_{n}$$$$^{+}$$ ions

Shiina, Yoko*; Kinoshita, Ryo*; Funada, Shuhei*; Matsuda, Makoto; Imai, Makoto*; Kawatsura, Kiyoshi*; Sataka, Masao*; Sasa, Kimikazu*; Kaneko, Toshiaki*; Tomita, Shigeo*

Physical Review A, 110(6), p.062826_1 - 062826_7, 2024/12

https://doi.org/10.1103/PhysRevA.110.062826
 Times Cited Count：0 Percentile：0.00(Optics)

2288 (Records 1-20 displayed on this page)