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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

 Times Cited Count:0 Percentile:0.00(Materials Science, Multidisciplinary)

Journal Articles

Unique magnetic transition process demonstrating the effectiveness of bond percolation theory in a quantum magnet

Zheng, X.-G.*; Yamauchi, Ichihiro*; Hagihara, Masato; Nishibori, Eiji*; Kawae, Tatsuya*; Watanabe, Isao*; Uchiyama, Tomoki*; Chen, Y.*; Xu, C.-N.*

Nature Communications (Internet), 15, p.9989_1 - 9989_12, 2024/11

 Times Cited Count:0 Percentile:0.00(Multidisciplinary Sciences)

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

 Times Cited Count:1 Percentile:39.49(Microbiology)

Journal Articles

Interaction of solute manganese and nickel atoms with dislocation loops in iron-based alloys irradiated with 2.8 MeV Fe ions at 400 $$^{circ}$$C

Nguyen, B. V. C.*; Murakami, Kenta*; Chena, L.*; Phongsakorn, P. T.*; Chen, X.*; Hashimoto, Takashi; Hwang, T.*; Furusawa, Akinori; Suzuki, Tatsuya*

Nuclear Materials and Energy (Internet), 39, p.101639_1 - 101639_9, 2024/06

 Times Cited Count:1 Percentile:0.00(Nuclear Science & Technology)

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

 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

 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

Intrinsic factors responsible for brittle versus ductile nature of refractory high-entropy alloys

Tsuru, Tomohito; Han, S.*; Matsuura, Shutaro*; Chen, Z.*; Kishida, Kyosuke*; Lobzenko, I.; Rao, S.*; Woodward, C.*; George, E.*; Inui, Haruyuki*

Nature Communications (Internet), 15, p.1706_1 - 1706_10, 2024/02

 Times Cited Count:31 Percentile:98.70(Multidisciplinary Sciences)

Refractory high-entropy alloys (RHEAs) have attracted attention because of their potential for use in ultrahigh-temperature applications. Unfortunately, their body-centered-cubic (BCC) crystal structures make them more brittle than the ductile and fracture-resistant face-centered-cubic (FCC) HEAs. RHEAs also display significantly lower creep strengths than a leading Ni-base superalloy and its FCC matrix. To overcome these drawbacks and develop RHEAs into viable structural materials, improved fundamental understanding is needed of factors that control strength and ductility. Here we investigate two model RHEAs, TiZrHfNbTa and VNbMoTaW, and show that the former is plastically compressible down to 77 K, whereas the latter is not below 298 K. We find that hexagonal close-packed (HCP) elements in TiZrHfNbTa lower its dislocation core energy, increase its lattice distortion, and lower its shear modulus relative to VNbMoTaW whose elements are all BCC, leading to the formers higher ductility and modulus-normalized yield strength. Consistent with our yield strength models, primarily screw dislocations are present in TiZrHfNbTa after deformation, but equal numbers of edge and screw segments in VNbTaMoW. Dislocation cores are compact in VNbTaMoW and extended in TiZrHfNbTa, and different macroscopic slip planes are activated in the two RHEAs, which we attribute to the concentration of HCP elements. Our findings demonstrate how electronic structure changes related to the ratio of HCP to BCC elements can be used to control strength, ductility, and slip behavior to develop the next generation of high-temperature materials for more efficient power plants and transportation.

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

 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

 Times Cited Count:11 Percentile:85.96(Physics, Multidisciplinary)

Journal Articles

Measurement of Two-Particle Correlations of Hadrons in $$e^{+}e^{-}$$ Collisions at Belle

Chen, Y.-C.*; Tanida, Kiyoshi; Belle Collaboration*; 175 of others*

Physical Review Letters, 128(14), p.142005_1 - 142005_8, 2022/04

 Times Cited Count:5 Percentile:37.99(Physics, Multidisciplinary)

Journal Articles

Groundwater $$Elusimicrobia$$ are metabolically diverse compared to gut microbiome $$Elusimicrobia$$ and some have a novel nitrogenase paralog

M$'e$heust, R.*; Castelle, C. J.*; Matheus Carnevali, P. B.*; Farag, I. F.*; He, C.*; Chen, L.-X.*; Amano, Yuki; Hug, L. A.*; Banfield, J. F.*

ISME Journal, 14(12), p.2907 - 2922, 2020/12

 Times Cited Count:71 Percentile:96.30(Ecology)

Journal Articles

International network of nuclear structure and decay data evaluators

Dimitriou, P.*; Basunia, S*; Bernstein, L.*; Chen, J.*; Elekes, Z.*; Huang, X.*; Hurst, A.*; Iimura, Hideki; Jain, A. K.*; Kelley, J.*; et al.

EPJ Web of Conferences, 239, p.15004_1 - 15004_4, 2020/09

BB2020-0008.pdf:0.34MB

 Times Cited Count:0 Percentile:0.00(Nuclear Science & Technology)

The Evaluated Nuclear Structure Data File (ENSDF) includes the most extensive and comprehensive set of nuclear structure and decay data evaluations performed by the international network of Nuclear Structure and Decay Data evaluators (NSDD) under the auspices of the IAEA. In this report we describe some of the recent NSDD activities and provide future perspectives.

Journal Articles

Matrix-material dependence on the elongation of embedded gold nanoparticles induced by 4 MeV C$$_{60}$$ and 200 MeV Xe ion irradiation

Li, R.*; Narumi, Kazumasa*; Chiba, Atsuya*; Hirano, Yu*; Tsuya, Daiju*; Yamamoto, Shunya*; Saito, Yuichi*; Okubo, Nariaki; Ishikawa, Norito; Pang, C.*; et al.

Nanotechnology, 31(26), p.265606_1 - 265606_9, 2020/06

 Times Cited Count:7 Percentile:34.47(Nanoscience & Nanotechnology)

We report the elongation of embedded Au nanoparticles (NPs) in three different matrices under irradiations of 4 MeV C$$_{60}$$ ions and 200 MeV Xe ions. Large elongation of Au NPs was observed for crystalline indium tin oxide (ITO) under both 4 MeV C$$_{60}$$ and 200 MeV Xe irradiation. The ITO layer preserved the crystallinity even after large elongation was induced. This is the first report of the elongation of metal NPs in a crystalline matrix.

Journal Articles

Hydrogen absorption and desorption on Rh nanoparticles revealed by ${it in situ}$ dispersive X-ray absorption fine structure spectroscopy

Song, C.*; Seo, O.*; Matsumura, Daiju; Hiroi, Satoshi*; Cui, Y.-T.*; Kim, J.*; Chen, Y.*; Tayal, A.*; Kusada, Kohei*; Kobayashi, Hirokazu*; et al.

RSC Advances (Internet), 10(34), p.19751 - 19758, 2020/05

 Times Cited Count:0 Percentile:0.00(Chemistry, Multidisciplinary)

Journal Articles

Majorana corner flat bands in two-dimensional second-order topological superconductors

Kheirkhah, M.*; Nagai, Yuki; Chen, C.*; Marsiglio, F.*

Physical Review B, 101(10), p.104502_1 - 104502_9, 2020/03

 Times Cited Count:30 Percentile:80.61(Materials Science, Multidisciplinary)

no abstracts in English

Journal Articles

Ag nanoparticles embedded in Nd:YAG crystals irradiated with tilted beam of 200 MeV Xe ions; Optical dichroism correlated to particle reshaping

Li, R.*; Pang, C.*; Amekura, Hiroshi*; Ren, F.*; H$"u$bner, R.*; Zhou, S.*; Ishikawa, Norito; Okubo, Nariaki; Chen, F.*

Nanotechnology, 29(42), p.424001_1 - 424001_8, 2018/10

 Times Cited Count:6 Percentile:25.92(Nanoscience & Nanotechnology)

We report on the fabrication of reshaped Ag nanoparticles (NPs) embedded in a Nd:YAG crystal by combining Ag ion implantation and swift heavy Xe ion irradiation. The localized surface plasmon resonance (LSPR) effect is proved to be efficiently modulated according to the phenomenon of polarization-dependent absorption. The LSPR peak located at 448 nm shows red shift and blue shift at 0 degree and 90 degree polarization, respectively, which is in good agreement with calculation by discrete dipole approximation. Based on the near-field intensity distribution, the interaction between reshaped NPs shows a non-ignorable effect on the optical absorption. Furthermore, the polarization-dependence of the photoluminescence (PL) intensity is analyzed, which is positively related to the modulated LSPR absorption. It demonstrates the potential of the enhancement of PL intensity by embedded plasmonic Ag NPs.

Journal Articles

Super-absorbent polymer valves and colorimetric chemistries for time-sequenced discrete sampling and chloride analysis of sweat via skin-mounted soft microfluidics

Kim, S. B.*; Zhang, Y.*; Won, S. M.*; Bandodkar, A. J.*; Sekine, Yurina; Xue, Y.*; Koo, J.*; Harshman, S. W.*; Martin, J. A.*; Park, J. M.*; et al.

Small, 14(12), p.1703334_1 - 1703334_11, 2018/03

 Times Cited Count:128 Percentile:96.23(Chemistry, Multidisciplinary)

Journal Articles

Inter-comparison of Dose Distributions Calculated by FLUKA, GEANT4, MCNP, and PHITS for Proton Therapy

Yang, Z.-Y.*; Tsai, P.-E.; Lee, S.-C.*; Liu, Y.-C.*; Chen, C.-C.*; Sato, Tatsuhiko; Sheu, R.-J.*

EPJ Web of Conferences, 153, p.04011_1 - 04011_8, 2017/09

 Times Cited Count:18 Percentile:99.38(Nuclear Science & Technology)

Four widespread used Monte Carlo simulation and transport codes, including GEANT4, FLUKA, MCNPX, and PHITS, are employed to calculate the integrated depth dose curves inside a water phantom for proton radiotherapy, and the results are compared with the experimental data carried out at the ProCure proton therapy center in New Jersey, USA. This is a collaborative study of JAEA, National Tsing Hua University, and ProCure proton therapy center, and this study aims to provide practical information regarding the accuracy and computing efficiency of each Monte Carlo codes for code users as well as the benchmark for further model improvement in each code.

Journal Articles

Observation of magnetoelastic effects in a quasi-one-dimensional spiral magnet

Wang, C.*; Daiwei, Y.*; Liu, X.*; Chen, R.*; Du, X.*; Hu, B.*; Wang, L.*; Iida, Kazuki*; Kamazawa, Kazuya*; Wakimoto, Shuichi; et al.

Physical Review B, 96(8), p.085111_1 - 085111_5, 2017/08

AA2017-0274.pdf:1.02MB

 Times Cited Count:9 Percentile:38.92(Materials Science, Multidisciplinary)

Journal Articles

Low-lying structure and shape evolution in neutron-rich Se isotopes

Chen, S.*; Doornenbal, P.*; Obertelli, A.*; Rodriguez, T. R.*; Authelet, G.*; Baba, Hidetada*; Calvet, D.*; Ch$^a$teau, F.*; Corsi, A.*; Delbart, A.*; et al.

Physical Review C, 95(4), p.041302_1 - 041302_6, 2017/04

 Times Cited Count:31 Percentile:89.26(Physics, Nuclear)

29 (Records 1-20 displayed on this page)