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Fujisawa, Yuita*; Krishnadas, A*; Nakamura, Tomonori*; Hsu, C.-H.*; Smith, B.*; Pardo-Almanza, M*; Hiyane, Hoshu*; Chang, G.*; Nagai, Yuki; Machida, Tadashi*; et al.
Physical Review B, 110(22), p.224511_1 - 224511_5, 2024/12
Times Cited Count：1 Percentile：16.05(Materials Science, Multidisciplinary)Understanding the nature of vortices in type-II superconductors has been vital for deepening the physics of exotic superconductors and applying superconducting materials to future electronic devices. A recent study has shown that the LiTi
O
(111) thin film offers a unique experimental platform to unveil the nature of the vortex along the curved Josephson junction. This study successfully visualized individual Josephson vortices along the curved Josephson junctions using in-situ spectroscopic scanning tunneling microscopy on LiTiO (111) epitaxial thin films. Notably, the local curvature of the Josephson junction was discovered to control the position of Josephson vortices. Furthermore, the numerical simulation reproduces the critical role of the curvature of the Josephson junction. This study provides guidelines to control Josephson vortices through geometrical ways, such as mechanical controlling of superconducting materials and their devices.
Kato, Takuma*; Nagaoka, Mika; Guo, H.*; Fujita, Hiroki; Aida, Taku*; Smith, R. L. Jr.*
Environmental Science and Pollution Research, 28(39), p.55725 - 55735, 2021/10
Times Cited Count：0 Percentile：0.00(Environmental Sciences)In this work, hydrothermal leaching was applied to simulated soils (clay minerals vermiculite, montmorillonite, kaolinite) and actual soils (Terunuma, Japan) to generate organic acids with the objective to develop an additive-free screening method for determination of Sr in soil. Stable strontium (SrCl) was adsorbed onto soils for study and ten organic acids were evaluated for leaching Sr from simulated soils under hydrothermal conditions (120 to 200
C) at concentrations up to 0.3 M. For strontium-adsorbed vermiculite (Sr-V), 0.1 M citric acid was found to be effective for leaching Sr at 150C and 1 h treatment time. Based on these results, the formation of organic acids from organic matter in Terunuma soil was studied. Hydrothermal treatment of Terunuma soil produced a maximum amount of organic acids at 200C and 0.5 h reaction time. To confirm the possibility for leaching of Sr from Terunuma soil, strontium-adsorbed Terunuma soil (Sr-S) was studied. For Sr-S, hydrothermal treatment at 200C for 0.5 h reaction time allowed 40% of the Sr to be leached at room temperature, thus demonstrating an additive-free method for screening of Sr in soil. The additive-free hydrothermal leaching method avoids calcination of solids in the first step of chemical analysis and has application to both routine monitoring of metals in soils and to emergency situations.
Taniguchi, Keisuke*; Onda, Yuichi*; Smith, H. G.*; Blake, W.*; Yoshimura, Kazuya; Yamashiki, Yosuke*; Kuramoto, Takayuki*; Saito, Kimiaki
Environmental Science & Technology, 55(13), P. 9394, 2021/07
Times Cited Count：0 Percentile：0.00(Engineering, Environmental)no abstracts in English
Nagaoka, Mika; Fujita, Hiroki; Aida, Taku*; Guo, H.*; Smith, R. L. Jr.*
Applied Radiation and Isotopes, 168, p.109465_1 - 109465_6, 2021/02
Times Cited Count：0 Percentile：0.00(Chemistry, Inorganic & Nuclear)The radioactivities in the environmental samples are analyzed to monitor the nuclear power facilities. The pretreatment of radioactive nuclides of alpha and beta emitters in the environmental samples is performed with acid to decompose organic matter and extract object nuclide such as 
Sr, U and Pu. However, the pretreatment methods are time-consuming and used many concentrated acid solutions that are unsafe and hazardous. Therefore, we develop to the new pretreatment method using supercritical water instead of acid. Hydrothermal pretreatment of soils (Andosols) from Ibaraki prefecture (Japan) was used to improve methods for monitoring radioactive Sr and U. Calcined samples were pretreated with subcritical or supercritical water (SCW) followed by extraction with 0.5 M HNO
solutions. With SCW pretreatment, recoveries of Sr and U were 70% and 40%, respectively. Experimental recoveries obtained can be described by a linear relationship in water density. The proposed method is robust and can lower environmental burden of routine analytical protocols.
Onda, Yuichi*; Taniguchi, Keisuke*; Yoshimura, Kazuya; Kato, Hiroaki*; Takahashi, Junko*; Wakiyama, Yoshifumi*; Coppin, F.*; Smith, H.*
Nature Reviews Earth & Environment (Internet), 1(12), P. 694_1, 2020/12
Times Cited Count：0 Percentile：0.00(Environmental Sciences)Onda, Yuichi*; Taniguchi, Keisuke*; Yoshimura, Kazuya; Kato, Hiroaki*; Takahashi, Junko*; Wakiyama, Yoshifumi*; Coppin, F.*; Smith, H.*
Nature Reviews Earth & Environment (Internet), 1(12), p.644 - 660, 2020/12
Times Cited Count：153 Percentile：90.27(Environmental Sciences)Taniguchi, Keisuke*; Onda, Yuichi*; Smith, H. G.*; Blake, W.*; Yoshimura, Kazuya; Yamashiki, Yosuke*; Kuramoto, Takayuki*
Scientific Data (Internet), 7, p.443_1 - 443_9, 2020/12
Times Cited Count：9 Percentile：48.21(Multidisciplinary Sciences)Taniguchi, Keisuke*; Onda, Yuichi*; Smith, H. G.*; Blake, W.*; Yoshimura, Kazuya; Yamashiki, Yosuke*; Kuramoto, Takayuki*; Saito, Kimiaki
Environmental Science & Technology, 53(21), p.12339 - 12347, 2019/11
Times Cited Count：90 Percentile：94.33(Engineering, Environmental)
Hg, 
Hg, 
Hg and 
HgWrzosek-Lipska, K.*; Rezynkina, K.*; Bree, N.*; Zieli
ska, M.*; Gaffney, L. P.*; Petts, A.*; Andreyev, A. N.; Bastin, B.*; Bender, M.*; Blazhev, A.*; et al.
European Physical Journal A, 55(8), p.130_1 - 130_23, 2019/08
Times Cited Count：18 Percentile：80.11(Physics, Nuclear)Gaffney, L. P.*; Robinson, A. P.*; Jenkins, D. G.*; Andreyev, A. N.; Bender, M.*; Blazhev, A.*; Bree, N.*; Bruyneel, B.*; Butler, P.*; Cocolios, T. E.*; et al.
Physical Review C, 91(6), p.064313_1 - 064313_11, 2015/06
Times Cited Count：11 Percentile：56.90(Physics, Nuclear)
Ni; Spectroscopy of the N=49 isotope 
ZnOrlandi, R.; M
cher, D.*; Raabe, R.*; Jungclaus, A.*; Pain, S. D.*; Bildstein, V.*; Chapman, R.*; De Angelis, G.*; Johansen, J. G.*; Van Duppen, P.*; et al.
Physics Letters B, 740, p.298 - 302, 2015/01
Times Cited Count：29 Percentile：85.00(Astronomy & Astrophysics)
value in KrR
gis, J.-M.*; Jolie, J.*; Saed-Samii, N.*; Warr, N.*; Pfeiffer, M.*; Blanc, A.*; Jentschel, M.*; K
ster, U.*; Mutti, P.*; Soldner, T.*; et al.
Physical Review C, 90(6), p.067301_1 - 067301_4, 2014/12
Times Cited Count：24 Percentile：78.59(Physics, Nuclear)Chadwick, M. B.*; Herman, M.*; Oblo
insk
, P.*; Dunn, M. E.*; Danon, Y.*; Kahler, A. C.*; Smith, D. L.*; Pritychenko, B.*; Arbanas, G.*; Arcilla, R.*; et al.
Nuclear Data Sheets, 112(12), p.2887 - 2996, 2011/12
Times Cited Count：2336 Percentile：99.99(Physics, Nuclear)The ENDF/B-VII.1 library is our latest recommended evaluated nuclear data file for use in nuclear science and technology applications, and incorporates advances made in the five years since the release of ENDF/B-VII.0. These advances focus on neutron cross sections, covariances, fission product yields and decay data, and represent work by the US Cross Section Evaluation Working Group (CSEWG) in nuclear data evaluation that utilizes developments in nuclear theory, modeling, simulation, and experiment. It features extension of covered nuclei, covariance data for 190 nuclei, R-matrix analyses of neutron reactions on light nuclei, updates for some medium-heavy and actinoid nuclei, etc. Criticality benchmark tests with a transport simulation code MCNP shows improved performances.
U nuclear relaxation rates in an itinerant antiferromagnet USb
Baek, S.-H.*; Curro, N. J.*; Sakai, Hironori; Bauer, E. D.*; Cooley, J. C.*; Smith, J. L.*
Physical Review B, 81(5), p.054435_1 - 054435_5, 2010/02
Times Cited Count：5 Percentile：24.78(Materials Science, Multidisciplinary)Anghel, A.*; Takahashi, Yoshikazu; Smith, S.*; Pourrahimi, S.*; Zhelamskij, M.*; Blau, B.*; Fuchs, A.*; Heer, B.*; Hamada, Kazuya; Fujisaki, H.*; et al.
Fusion Technology 1996, p.185 - 190, 1996/00
no abstracts in English
Onda, Yuichi*; Yoshimura, Kazuya; Taniguchi, Keisuke*; Kubo, Takaaki*; Smith, H.*; Blake, W.*; Kuramoto, Takayuki*; Sato, Takayuki*
no journal, ,
Taniguchi, Keisuke*; Yoshimura, Kazuya; Smith, H.*; Blake, W.*; Yamamoto, Masayoshi*; Yokoyama, Akihiko*; Takahashi, Yoshio*; Sakaguchi, Aya*; Onda, Yuichi*
no journal, ,
no abstracts in English
Taniguchi, Keisuke*; Yoshimura, Kazuya; Smith, H.*; Blake, W.*; Takahashi, Yoshio*; Sakaguchi, Aya*; Yamamoto, Masayoshi*; Onda, Yuichi*
no journal, ,
no abstracts in English
Onda, Yuichi*; Taniguchi, Keisuke*; Smith, H.*; Blake, W.*; Yoshimura, Kazuya
no journal, ,
Onda, Yuichi*; Taniguchi, Keisuke*; Wakiyama, Yoshifumi*; Yoshimura, Kazuya; Smith, H.*; Blake, W.*; Iwagami, Sho*; Kato, Hiroaki*
no journal, ,
Zn and the structure of NiOrlandi, R.; Mcher, D.*; Raabe, R.*; Jungclaus, A.*; Pain, S. D.*; Bildstein, V.*; Chapman, R.*; De Angelis, G.*; Johansen, J. G.*; Van Duppen, P.*; et al.
no journal, ,
