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Journal Articles

Nature of the Dirac gap modulation and surface magnetic interaction in axion antiferromagnetic topological insulator MnBi$$_{2}$$Te$$_{4}$$

Shikin, A. M.*; Estyunin, D. A.*; Klimovskikh, I. I.*; Filnov, S. O.*; Kumar, S.*; Schwier, E. F.*; Miyamoto, Koji*; Okuda, Taiichi*; Kimura, Akio*; Kuroda, Kenta*; et al.

Scientific Reports (Internet), 10, p.13226_1 - 13226_13, 2020/08

Journal Articles

Development of the ReaxFF methodology for electrolyte-water systems

Fedkin, M. V.*; Shin, Y. K.*; Dasgupta, N.*; Yeon, J.*; Zhang, W.*; van Duin, D.*; Van Duin, A. C. T.*; Mori, Kento*; Fujiwara, Atsushi*; Machida, Masahiko; et al.

Journal of Physical Chemistry A, 123(10), p.2125 - 2141, 2019/03

 Times Cited Count:6 Percentile:10.89(Chemistry, Physical)

no abstracts in English

Journal Articles

Soft, skin-interfaced microfluidic systems with wireless, battery-free electronics for digital, real-time tracking of sweat loss and electrolyte composition

Kim, S. B.*; Lee, K.-H.*; Raj, M. S.*; Reeder, J. T.*; Koo, J.*; Hourlier-Fargette, A.*; Bandodkar, A. J.*; Won, S. M.*; Sekine, Yurina; Choi, J.*; et al.

Small, 14(45), p.1802876_1 - 1802876_9, 2018/11

 Times Cited Count:21 Percentile:9.66(Chemistry, Multidisciplinary)

Excretion of sweat from eccrine glands is a dynamic physiological process that varies with body position, activity level, and health status. Information content embodied in sweat rate and chemistry can be used to assess health status and athletic performance. This paper presents a thin, miniaturized, skin-interfaced microfluidic technology that includes a reusable, battery-free electronics module for measuring sweat conductivity and rate in real-time using wireless power from and data communication with capabilities in near field communications (NFC). Systematic studies of these combined microfluidic/electronic systems, accurate correlations of measurements performed with them to those of laboratory standard instrumentation, and field tests on human subjects establish the key operational features and their utility in sweat analytics.

Journal Articles

EBR-II passive safety demonstration tests benchmark analyses; Phase 2

Briggs, L.*; Monti, S.*; Hu, W.*; Sui, D.*; Su, G. H.*; Maas, L.*; Vezzoni, B.*; Partha Sarathy, U.*; Del Nevo, A.*; Petruzzi, A.*; et al.

Proceedings of 16th International Topical Meeting on Nuclear Reactor Thermal Hydraulics (NURETH-16) (USB Flash Drive), p.3030 - 3043, 2015/08

The International Atomic Energy Agency Coordinated Research Project, "Benchmark Analyses of an EBR-II Shutdown Heat Removal Test" is in the third year of its four-year term. Nineteen participants representing eleven countries have simulated two of the most severe transients performed during the Shutdown Heat Removal Tests program conducted at Argonne's Experimental Breeder Reactor II. Benchmark specifications were created for these two transients, enabling project participants to develop computer models of the core and primary heat transport system, and simulate both transients. In phase 1 of the project, blind simulations were performed and then evaluated against recorded data. During phase 2, participants have refined their models to address areas where the phase 1 simulations did not predict as well as desired the experimental data. This paper describes the progress that has been made to date in phase 2 in improving on the earlier simulations and presents the direction of planned work for the remainder of the project.

Journal Articles

Neutron scattering studies of the spin-5/2 antiferromagnetic linear trimer substance SrMn$$_3$$P$$_4$$O$$_{14}$$

Hase, Masashi*; D$"o$nni, A.*; Ozawa, Kiyoshi*; Kitazawa, Hideaki*; Sakai, Osamu*; Pomjakushin, V. Y.*; Keller, L.*; Kaneko, Koji; Metoki, Naoto; Kakurai, Kazuhisa; et al.

Journal of Physics; Conference Series, 340, p.012066_1 - 012066_7, 2012/00

 Times Cited Count:1 Percentile:51.5

We determined the magnetic structure below $$T_{rm N1}=2.2(1)$$ K of the spin-5/2 antiferromagnetic (AF) trimer substance SrMn$$_3$$P$$_4$$O$$_{14}$$ using neutron powder diffraction experiments. The incommensurate propagation vector is expressed as [0, $$k_y$$, 0], due to competition between the nearest-neighbor and next-nearest-neighbor interactions in trimerized chains. The value of $$k_y$$ is 0.316 to 0.331, changing rapidly at $$T_{rm N2}= 1.75(5)$$ K. We confirmed that the intra-trimer $$J_1$$ interaction is AF. The magnetic excitation peaks were obsereved at 0.46, 0.68, and 1.02 meV. The weak Q dependence indicates the discrete energy levels, which do not contradict the AF trimer model with the intra-trimer interaction value of 0.29 meV (3.4 K).

Journal Articles

Progress of demonstration experiment on irradiation of vibro-packed MOX fuel assemblies in the BN-600 reactor

Mayorshin, A. A.*; Skiba, O. V.*; Bychkov, A. V.*; Kisly, V. A.*; Shishalov, O. V.*; Krukov, F. N.*; Novoselov, A. E.*; Markov, D. V.*; Green, P. I.*; Funada, Toshio; et al.

Proceedings of International Conference on Fast Reactors and Related Fuel Cycles (FR 2009) (CD-ROM), 11 Pages, 2012/00

The paper presents progress results, including fabrication of vibropac MOX fuel pins and 21 FAs for fast reactor BN-600, irradiation parameters and PIE results. It is shown, that no violations of safe operation limits take place. The activities within the framework of the Demonstration experiment is based on the international cooperation and have been performed with the support and participation Russian and Japanese organizations RIAR, IPPE, OKBM, BNPP, MEXT, JAEA, PESCO. The goal of the experiment is to validate possibility of using vibropac MOX FA for weapon plutonium disposition.

Journal Articles

Shell structure of even-even nickel isotopes containing twenty to forty neutrons

Bespalova, O. V.*; Boboshin, I. N.*; Varlamov, V. V.*; Ermakova, T. A.*; Ishkhanov, B. S.*; Klimochkina, A. A.*; Komarov, S. Yu.*; Koura, Hiroyuki; Romanovsky, E. A.*; Spasskaya, T. I.*

Physics of Atomic Nuclei, 74(11), p.1521 - 1536, 2011/11

 Times Cited Count:5 Percentile:58.22(Physics, Nuclear)

Shell parameters of even-even nickel isotopes involving twenty to forty neutrons are analyzed, and the results of this analysis are presented. A detailed comparison of the results obtained by calculating, on the basis of the mean-field model with the Koura-Yamada potential and the dispersive optical potential, single-particle energies of proton and neutron subshells with experimental data on the isotopes $$^{56,58,60,62,64,68}$$Ni and with evaluated data on the neutron-deficient isotopes $$^{48,50,52,54}$$Ni is performed. The Koura-Yamada potential predicts correctly special features in dependence of single-particle energy and are useful in evaluating sub-shell energies on unstable nuclei.

Journal Articles

Development of zwitterionic monolithic column for hydrophilic interaction liquid chromatography and its application to the separation of catecholamines and related compounds

Kamiya, Yoshiki*; Shin, S.*; Sabarudin, A.*; Umemura, Tomonari*; Ueki, Yuji; Tamada, Masao

JAEA-Review 2010-065, JAEA Takasaki Annual Report 2009, P. 42, 2011/01

no abstracts in English

Journal Articles

Energies of the single-particle proton 1$$f$$ and 2$$p$$ states in the $$^{58,60,62,64}$$Ni isotopes

Bespalova, O. V.*; Boboshin, I. N.*; Varlamov, V. V.*; Ermakova, T. A.*; Ishkhanov, B. S.*; Komarov, S. Yu.*; Koura, Hiroyuki; Romanovskii, E. A.*; Spasskaya, T. I.*

Bulletin of the Russian Academy of Sciences; Physics, 73(6), p.820 - 823, 2009/06

Single-particle energies corresponding to the maximum value of the spectroscopic factor were obtained for the proton states near the Fermi energy in the $$^{58,60,62,64}$$Ni nuclei by the joint evaluation of the data on the stripping and pickup reactions on the same nucleus. These results are compared with the center-of-mass energies of the single-particle state fragment distributions obtained by the same method and with the single-particle energies calculated with the Woods-Saxon-like potential and with the dispersive optical model potential. For 2$$p$$$$_{3/2}$$ states (the first unoccupied states), Results of the Woods-Saxon-like potential are in excellent agreement with the energies of maximum (practically the same), for 1$$f$$$$_{7/2}$$, 1$$f$$$$_{5/2}$$ and for 2$$p$$$$_{1/2}$$ states the agreement within 1 - 1.5 MeV was achieved. Sufficient difference between centers of mass and maximums was obtained for 1$$f$$$$_{5/2}$$ and 2$$p$$$$_{1/2}$$ states, which may be connected with the fragmentation effect.

Journal Articles

Trends in stimulated Brillouin scattering and optical phase conjugation

Ostermeyer, M.*; Kong, H.-J.*; Kovalev, V. I.*; Harrison, R. G.*; Fotiadi, A. A.*; M$'e$gret, P.*; Kalal, M.*; Slezak, O.*; Yoon, J. W.*; Shin, J. S.*; et al.

Laser and Particle Beams, 26(3), p.297 - 362, 2008/09

Journal Articles

Development of a performance analysis code for vibro-packed MOX fuels

Ishii, Tetsuya; Nemoto, Junichi*; Asaka, Takeo; Sato, Seichi*; Mayorshin, A.*; Shishalov, O.*; Kryukov, F.*

Journal of Nuclear Science and Technology, 45(4), p.263 - 273, 2008/04

 Times Cited Count:1 Percentile:88.4(Nuclear Science & Technology)

In order to develop a vibro-packed MOX fuel performance analysis code, thermochemical and mechanical properties of the vibro-packed fuels were incorporated into a pellet type fuel performance analysis code CEDAR. Calculations were made by the developed code on a vibro-packed MOX fuel pin irradiated at BN-600 in Russia. Since the calculated results agreed well with the behaviors obtained from the experimental data, it can be concluded that the code was well modeled and qualitatively validated.

JAEA Reports

Irradiation limit test of ODS ferritic steels fuel pins in BOR-60,1

Kaito, Takeji; Ukai, Shigeharu; Seki, Masayuki; Mayorshin, A. A.*; O.V.SHISHALOV*

JNC-TY9400 2003-032, 243 Pages, 2004/03

JNC-TY9400-2003-032.pdf:8.3MB

In order to confirm and demonstrate the ODS fuel pin integrity, the irradiation test has being carried out in the frame of Japan-Russian FBR cyclecooperation. The irradiation test in BOR-60 has started since June, 2003. The target burnup of this irradiation test is up to 150GWd/t.

Journal Articles

Structural transformations in liquid, crystalline, and glassy B$$_{2}$$O$$_{3}$$ under high pressure

Brazhkin, V. V.*; Katayama, Yoshinori; Inamura, Yasuhiro; Kondrin, M. V.*; Lyapin, A. G.*; Popova, S. V.*; Voloshin, R. N.*

JETP Letters, 78(6), p.393 - 397, 2003/06

 Times Cited Count:25 Percentile:23.96(Physics, Multidisciplinary)

We present in situ (X-ray diffraction) and ex situ (quenching) structural studies of crystalline, liquid, and glassy B$$_{2}$$O$$_{3}$$ up to 9 GPa and 1700 K, drawing equilibrium and nonequilibrium phase diagrams of B$$_{2}$$O$$_{3}$$, Particularly, we have determined the melting curve, the stability regions for crystalline B$$_{2}$$O$$_{3}$$ and B$$_{2}$$O$$_{3}$$ II modifications, the regions of transformations, such as densification or crystallization, for both the liquid and glassy states, including the region of sharp first-order-like transition in liquid B$$_{2}$$O$$_{3}$$ to a high-density phase near 7 GPa. Quenching experiments also show that the transition to the high-density liquid can occur at much lower pressures in nonstoichiometric melts with an excess of boron. B$$_{2}$$O$$_{3}$$ is the first glassformer whose transformations in the disordered state have been comparatively studied for both liquid and glassy phases.

Journal Articles

Development of ODS Ferritic Steel Cladding and its Irradiation Test in BOR-60

Kaito, Takeji; Ukai, Shigeharu; SEKI, Masayuki; Mayorshin, A. A.*; V.SHISHALOV, Oleg*

Inter.Conf. NUCLEAR POWER AND FUEL CYCLES, 0 Pages, 2003/00

None

Oral presentation

Single-particle energies of 1f and 2p proton states in $$^{58,60,62,64}$$Ni

Bespalova, O. V.*; Boboshin, I. N.*; Varlamov, V. V.*; Ermakova, T. A.*; Ishkhanov, B. S.*; Komarov, S. Yu.*; Koura, Hiroyuki; Romanovskii, E. A.*; Spasskaya, T. I.*

no journal, , 

no abstracts in English

Oral presentation

Characterizing the soft X-ray laser beams by submicron-resolution LiF detector

Pikuz, T.; Faenov, A.*; Fukuda, Yuji; Tanaka, Momoko; Ishino, Masahiko; Hasegawa, Noboru; Nishikino, Masaharu; Ohashi, Haruhiko*; Yabashi, Makina*; Tono, Kensuke*; et al.

no journal, , 

16 (Records 1-16 displayed on this page)
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