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Journal Articles

The Influence of structural dynamics in two-dimensional hybrid organic-inorganic perovskites on their photoluminescence efficiency; Neutron scattering analysis

Rajeev, H. S.*; Hu, X.*; Chen, W.-L.*; Zhang, D.*; Chen, T.*; Kofu, Maiko*; Kajimoto, Ryoichi; Nakamura, Mitsutaka; Chen, A. Z.*; Johnson, G. C.*; et al.

Journal of the Physical Society of Japan, 94(3), p.034602_1 - 034602_14, 2025/03

https://doi.org/10.7566/JPSJ.94.034602
 Times Cited Count：0 Percentile：0.00(Physics, Multidisciplinary)

Journal Articles

$$mu$$SR study on the noncentrosymmetric superconductor NbGe$$_2$$

Jiao, J. C.*; Chen, K. W.*; Hillier, A. D.*; Ito, Takashi; Higemoto, Wataru; Li, Z.*; Lv, B.*; Xu, Z.-A.*; Shu, L.*

Physical Review B, 110(21), p.214516_1 - 214516_9, 2024/12

https://doi.org/10.1103/PhysRevB.110.214516
 Times Cited Count：0 Percentile：0.00(Materials Science, Multidisciplinary)

Journal Articles

Methanotrophic ${it Methanoperedens}$ archaea host diverse and interacting extrachromosomal elements

Shi, L.-D.*; West-Roberts, J.*; Schoelmerich, M. C.*; Penev, P. I.*; Chen, L.-X.*; Amano, Yuki; Lei, S.*; Sachdeva, R.*; Banfield, J. F.*

Nature Microbiology (Internet), 9(9), p.2422 - 2433, 2024/09

https://doi.org/10.1038/s41564-024-01740-8
 Times Cited Count：1 Percentile：39.49(Microbiology)

Journal Articles

Magnetic excitation in the hyperkagome antiferromagnet Mn$$_{3}$$RhSi

Shamoto, Shinichi; Yamauchi, Hiroki; Iida, Kazuki*; Ikeuchi, Kazuhiko*; Kaneko, Koji; Chen, Y.-S.*; Yano, Shinichiro*; Hsu, P.-T.*; Lee, M. K.*; Hall, A. E.*; et al.

Physical Review Research (Internet), 6(3), p.033303_1 - 033303_7, 2024/09

https://doi.org/10.1103/PhysRevResearch.6.033303

The magnetic excitation extends at least from 0.3 to 140 meV. The integrated inelastic scattering intensity leads to a localized magnetic moment of about 5$$mu_{B}$$ per Mn site fluctuating at 200 K in the wide energy range, although the long-range ordered magnetic moment is only 2.61$$mu_{B}$$ at 4 K. The result suggests that a large part of the magnetic moment does not order in Mn$$_{3}$$RhSi.

Journal Articles

Gradient residual strain determination of surface impacted railway S38C axles by neutron Bragg-edge transmission imaging

Hu, F. F.*; Qin, T. Y.*; Ao, N.*; Su, Y. H.; Zhou, L.*; Xu, P. G.; Parker, J. D.*; Shinohara, Takenao; Chen, J.*; Wu, S. C.*

Engineering Fracture Mechanics, 306, p.110267_1 - 110267_18, 2024/08

https://doi.org/10.1016/j.engfracmech.2024.110267
 Times Cited Count：2 Percentile：55.14(Mechanics)

Journal Articles

Giant barocaloric effects in sodium hexafluorophosphate and hexafluoroarsenate

Zhang, Z.*; Hattori, Takanori; Song, R.*; Yu, D.*; Mole, R.*; Chen, J.*; He, L.*; Zhang, Z.*; Li, B.*

Journal of Applied Physics, 136(3), p.035105_1 - 035105_8, 2024/07

https://doi.org/10.1063/5.0211085
 Times Cited Count：2 Percentile：35.22(Physics, Applied)

Solid-state refrigeration using barocaloric materials is environmentally friendly and highly efficient, making it a subject of global interest over the past decade. Here, we report giant barocaloric effects in sodium hexafluorophosphate (NaPF$$_6$$) and sodium hexafluoroarsenate (NaAsF$$_6$$) that both undergo a cubic-to-rhombohedral phase transition near room temperature. We have determined that the low-temperature phase structure of NaPF$$_6$$ is a rhombohedral structure with space group R$=3 by neutron powder diffraction. There are three Raman active vibration modes in NaPF$_6$$ and NaAsF$$_6$$, i.e., F$$_{2g}$$, E$$_g$$, and A$$_{1g}$$. The phase transition temperature varies with pressure at a rate of dT$$_t$$/dP = 250 and 310 K/GPa for NaPF$$_6$$ and NaAsF$$_6$$. The pressure-induced entropy changes of NaPF$$_6$$ and NaAsF$$_6$$ are determined to be around 45.2 and 35.6J kg$$^{-1}$$K$$^{-1}$$, respectively. The saturation driving pressure is about 40 MPa. The pressure-dependent neutron powder diffraction suggests that the barocaloric effects are related to the pressure-induced cubic-to-rhombohedral phase transitions.

Journal Articles

Dual nanoprecipitation and nanoscale chemical heterogeneity in a secondary hardening steel for ultrahigh strength and large uniform elongation

Wang, S.*; Wang, J.*; Zhang, S.*; Wei, D.*; Chen, Y.*; Rong, X.*; Gong, W.; Harjo, S.; Liu, X.*; Jiao, Z.*; et al.

Journal of Materials Science & Technology, 185, p.245 - 258, 2024/06

https://doi.org/10.1016/j.jmst.2023.10.048
 Times Cited Count：17 Percentile：98.00(Materials Science, Multidisciplinary)

Journal Articles

Direct observations of dynamic and reverse transformation of Ti-6Al-4V alloy and pure titanium

Guo, B.*; Chen, H.*; Chong, Y.*; Mao, W.; Harjo, S.; Gong, W.; Zhang, Z.*; Jonas, J. J.*; Tsuji, Nobuhiro*

Acta Materialia, 268, p.119780_1 - 119780_11, 2024/04

https://doi.org/10.1016/j.actamat.2024.119780
 Times Cited Count：10 Percentile：94.16(Materials Science, Multidisciplinary)

Journal Articles

Onset of collectivity for argon isotopes close to $$N=32$$

Linh, B. D.*; Corsi, A.*; Gillibert, A.*; Obertelli, A.*; Doornenbal, P.*; Barbieri, C.*; Duguet, T.*; G$'o$mez-Ramos, M.*; Holt, J. D.*; Hu, B. S.*; et al.

Physical Review C, 109(3), p.034312_1 - 034312_15, 2024/03

https://doi.org/10.1103/PhysRevC.109.034312
 Times Cited Count：2 Percentile：74.11(Physics, Nuclear)

no abstracts in English

Journal Articles

System of radiological protection; Towards a consistent framework on earth and in space

R$"u$hm, W.*; Ban, Nobuhiko*; Chen, J.*; Li, C.*; Dobynde, M.*; Durante, M.*; El-Jaby, S.*; Komiyama, Tatsuto*; Ozasa, Kotaro*; Sato, Tatsuhiko; et al.

Journal of Medical Physics - Zeitschrift f$"u$r medizinische Physik -, 34(1), p.4 - 13, 2024/02

https://doi.org/10.1016/j.zemedi.2024.01.004
 Times Cited Count：0 Percentile：0.00(Radiology, Nuclear Medicine & Medical Imaging)

The International Commission on Radiological Protection (ICRP) provides independent recommendations on radiological protection for the public benefit. For more than 90 years, the ICRP System of Radiological Protection has been guiding the development and implementation of national and international standards and regulations on radiological protection. In 2019, ICRP established Task Group (TG) 115 to address a broader range of topics related to dose and risk assessment for radiological protection of astronauts. This paper gives an overview of the System of Radiological Protection and a brief summary of ICRP's work on radiological protection of astronauts.

Journal Articles

Comparison of dose and risk estimates between ISS Partner Agencies for a 30-day Lunar Mission

Shavers, M. R.*; Semones, E. J.*; Shurshakov, V.*; Dobynde, M.*; Sato, Tatsuhiko; Komiyama, Tatsuto*; Tomi, L.*; Chen, J.*; El-Jaby, S.*; Straube, U.*; et al.

Journal of Medical Physics - Zeitschrift f$"u$r medizinische Physik -, 34(1), p.31 - 43, 2024/02

https://doi.org/10.1016/j.zemedi.2023.10.005
 Times Cited Count：2 Percentile：59.20(Radiology, Nuclear Medicine & Medical Imaging)

The Partner Agencies of the International Space Station (ISS) present an intracomparison of the ionizing radiation absorbed dose and risk quantities used to characterize example mission lunar space. The results and the work itself provide insights to the level of agreement with which space agencies can perform organ dosimetry and calculate effective dose. This work was performed in collaboration with the advisory and guidance efforts of the International Commission on Radiological Protection (ICRP) Task Group 115 and will be presented in an ICRP Report

Journal Articles

Quantum critical behavior of the hyperkagome magnet Mn$$_3$$CoSi

Yamauchi, Hiroki; Sari, D. P.*; Yasui, Yukio*; Sakakura, Terutoshi*; Kimura, Hiroyuki*; Nakao, Akiko*; Ohara, Takashi; Honda, Takashi*; Kodama, Katsuaki; Igawa, Naoki; et al.

Physical Review Research (Internet), 6(1), p.013144_1 - 013144_9, 2024/02

https://doi.org/10.1103/PhysRevResearch.6.013144

Journal Articles

Strongly coupled spin waves and surface acoustic waves at room temperature

Hwang, Y.*; Puebla, J.*; Kondo, Kota*; Gonzalez-Ballestero, C.*; Isshiki, Hironari*; S$'a$nchez Mu$~n$oz, C.*; Liao, L.*; Chen, F.*; Luo, W.*; Maekawa, Sadamichi*; et al.

Physical Review Letters, 132(5), p.056704_1 - 056704_7, 2024/01

https://doi.org/10.1103/PhysRevLett.132.056704
 Times Cited Count：17 Percentile：97.80(Physics, Multidisciplinary)

Journal Articles

Chiral Dirac fermion in a collinear antiferromagnet

Zhang, A.*; Deng, K.*; Sheng, J.*; Liu, P.*; Kumar, S.*; Shimada, Kenya*; Jiang, Z.*; Liu, Z.*; Shen, D.*; Li, J.*; et al.

Chinese Physics Letters, 40(12), p.126101_1 - 126101_8, 2023/12

https://doi.org/10.1088/0256-307X/40/12/126101
 Times Cited Count：11 Percentile：85.96(Physics, Multidisciplinary)

Journal Articles

Validation of the $$^{10}$$Be ground-state molecular structure using $$^{10}$$Be($$p,palpha$$)$$^{6}$$He triple differential reaction cross-section measurements

Li, P. J.*; Beaumel, D.*; Lee, J.*; Assi$'e$, M.*; Chen, S.*; Franchoo, S.*; Gibelin, J.*; Hammache, F.*; Harada, T.*; Kanada-En'yo, Yoshiko*; et al.

Physical Review Letters, 131(21), p.212501_1 - 212501_7, 2023/11

https://doi.org/10.1103/PhysRevLett.131.212501
 Times Cited Count：21 Percentile：94.59(Physics, Multidisciplinary)

The cluster structure of the neutron-rich isotope $$^{10}$$Be has been probed via the ($$p,palpha$$) reaction. The triple differential cross-section was extracted and compared to distorted-wave impulse approximation reaction calculations performed in a microscopic framework using the Tohsaki-Horiuchi-Schuck-R$"o$pke wave function and the wave function deduced from Antisymmetrized Molecular Dynamics calculations. The remarkable agreement between calculated and measured cross-sections in both shape and magnitude validates the description of the $$^{10}$$Be ground-state as a rather compact nuclear molecule.

Journal Articles

Spiral spin cluster in the hyperkagome antiferromagnet Mn$$_{3}$$RhSi

Shamoto, Shinichi; Yamauchi, Hiroki; Iida, Kazuki*; Ikeuchi, Kazuhiko*; Hall, A. E.*; Chen, Y.-S.*; Lee, M. K.*; Balakrishnan, G.*; Chang, L.-J.*

Communications Physics (Internet), 6, p.248_1 - 248_6, 2023/09

https://doi.org/10.1038/s42005-023-01363-1
 Times Cited Count：2 Percentile：38.73(Physics, Multidisciplinary)

We show that the local spin correlation order has a spiral structure by neutron scattering measurement of a Mn$$_{3}$$RhSi single crystal. The possible origins of the magnetic cluster formation are discussed in terms of the Lifshitz invariant and the Griffiths phase, and compared with the room-temperature skyrmion phase of Co$$_{7}$$Zn$$_{7}$$Mn$$_{6}$$ and non-Fermi liquid behavior of $$beta$$-Mn.

Journal Articles

3D-printed epidermal sweat microfluidic systems with integrated microcuvettes for precise spectroscopic and fluorometric biochemical assays

Yang, D. S.*; Wu, Y.*; Kanatzidis, E. E.*; Avila, R.*; Zhou, M.*; Bai, Y.*; Chen, S.*; Sekine, Yurina; Kim, J.*; Deng, Y.*; et al.

Materials Horizons, 10(11), p.4992 - 5003, 2023/09

https://doi.org/10.1039/D3MH00876B
 Times Cited Count：12 Percentile：78.05(Chemistry, Multidisciplinary)

This paper presents a set of findings that enhances the performance of these systems through the use of microfluidic networks, integrated valves and microscale optical cuvettes formed by three-dimensional printing in hard/soft hybrid materials systems, for accurate spectroscopic and fluorometric assays. Field studies demonstrate the capability of these microcuvette systems to evaluate the concentrations of copper, chloride, and glucose in sweat, along with the sweat pH, with laboratory grade accuracy and sensitivity.

Journal Articles

Extreme phonon anharmonicity underpins superionic diffusion and ultralow thermal conductivity in argyrodite Ag$$_{8}$$SnSe$$_{6}$$

Ren, Q.*; Gupta, M. K.*; Jin, M.*; Ding, J.*; Wu, J.*; Chen, Z.*; Lin, S.*; Fabelo, O.*; Rodriguez-Velamazan, J. A.*; Kofu, Maiko; et al.

Nature Materials, 22(8), p.999 - 1006, 2023/08

https://doi.org/10.1038/s41563-023-01560-x
 Times Cited Count：78 Percentile：99.19(Chemistry, Physical)

Journal Articles

Level structures of $$^{56,58}$$Ca cast doubt on a doubly magic $$^{60}$$Ca

Chen, S.*; Browne, F.*; Doornenbal, P.*; Lee, J.*; Obertelli, A.*; Tsunoda, Yusuke*; Otsuka, Takaharu*; Chazono, Yoshiki*; Hagen, G.*; Holt, J. D.*; et al.

Physics Letters B, 843, p.138025_1 - 138025_7, 2023/08

https://doi.org/10.1016/j.physletb.2023.138025
 Times Cited Count：9 Percentile：89.00(Astronomy & Astrophysics)

Gamma decays were observed in $$^{56}$$Ca and $$^{58}$$Ca following quasi-free one-proton knockout reactions from $$^{57,59}$$Sc. For $$^{56}$$Ca, a $$gamma$$ ray transition was measured to be 1456(12) keV, while for $$^{58}$$Ca an indication for a transition was observed at 1115(34) keV. Both transitions were tentatively assigned as the $$2^{+}_{1} rightarrow 0^{+}_{gs}$$ decays. A shell-model calculation in a wide model space with a marginally modified effective nucleon-nucleon interaction depicts excellent agreement with experiment for $$2^{+}_{1}$$ level energies, two-neutron separation energies, and reaction cross sections, corroborating the formation of a new nuclear shell above the N = 34 shell. Its constituents, the $$0_{f5/2}$$ and $$0_{g9/2}$$ orbitals, are almost degenerate. This degeneracy precludes the possibility for a doubly magic $$^{60}$$Ca and potentially drives the dripline of Ca isotopes to $$^{70}$$Ca or even beyond.

Journal Articles

Evaluation of light-element reactions in the resolved resonance region

Dimitriou, P.*; Chen, Z.*; deBoer, R. J.*; Hale, G.*; Kunieda, Satoshi; Leeb, H.*; Paris, M.*; Pigni, M. T.*; Srdinko, Th.*; Tamagno, P.*; et al.

EPJ Web of Conferences, 284, p.03002_1 - 03002_5, 2023/05

https://doi.org/10.1051/epjconf/202328403002
 Times Cited Count：0 Percentile：0.00(Nuclear Science & Technology)

Charged-particle-induced reactions at low energies in the resolved resonance region are important for applications such as ion beam analysis of materials and management of the nuclear fuels. However, the evaluated nuclear data libraries maintained by national or international coordinated efforts (ENDF, JEFF, JENDL, CENDL) are to date, incomplete as far as charged-particle- induced reactions in the resolved resonance region are concerned. The IAEA Nuclear Data Section is coordinating an international effort to (i) verify that the existing R-matrix codes are consistent, (ii) evaluate charged-particle cross sections in the resolved resonance region, (iii) produce evaluated nuclear data files for further processing and finally (iv) disseminate the evaluated data through general purpose evaluated nuclear data libraries. We present the results of the effort made thus far on (1) verification of the available R-matrix codes, minimization methods and calculation of covariances, (2) the evaluation of the compound system $$^7$$Be*, and (3) improving $$(alpha,n)$$ reaction data for the applications.

303 (Records 1-20 displayed on this page)