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Journal Articles

Volume-wise destruction of the antiferromagnetic Mott insulating state through quantum tuning

Frandsen, B. A.*; Liu, L.*; Cheung, S. C.*; Guguchia, Z.*; Khasanov, R.*; Morenzoni, E.*; Munsie, T. J. S.*; Hallas, A. M.*; Wilson, M. N.*; Cai, Y.*; et al.

Nature Communications (Internet), 7, p.12519_1 - 12519_8, 2016/08

 Times Cited Count:31 Percentile:77.41(Multidisciplinary Sciences)

Journal Articles

Effectiveness of Core Exit Thermocouple (CET) indication in accident management of light water reactors

Nakamura, Hideo; T$'o$th, I.*; Sandervag, O.*; Umminger, K.*; Dreier, J.*; Prior, R.*; Alonso, J. R.*; Muellner, N.*; D'Auria, F.*; M$"u$hleisen, A.*; et al.

Proceedings of 14th International Topical Meeting on Nuclear Reactor Thermal Hydraulics (NURETH-14) (CD-ROM), 15 Pages, 2011/09

The working group on Analysis and Management of Accidents (WGAMA) of the Committee on the Safety of Nuclear Installations (CSNI) of OECD-NEA had a task on the effectiveness of CET indication in accident management (AM) of light water reactors (LWR). The task collected and reviewed the design basis of CET application for AM procedures through a survey of the CET use in the NEA member countries, and reviewed pertinent experimental results from such test facilities as LOFT, ROSA/LSTF, PKL and PSB-VVER focusing on the time delay in CET from core temperature rise. Scaling issues were discussed considering extrapolation of experimental results to LWR. This paper summarizes major outcomes of the task and indicates possible future work.

Journal Articles

Development of an accurate methodology for measuring the pore fluid pH of low-pH cementitious materials

Alonso, M. C.*; Garc$'i$a Calvo, J. L.*; Pettersson, S.*; Cu$~n$ado, M.*; Vuorio, M.*; Weber, H.*; Ueda, Hiroyoshi*; Naito, Morimasa; Walker, C.

Proceedings of 13th International Congress on the Chemistry of Cement (13th ICCC) (CD-ROM), 7 Pages, 2011/07

Low pH cementitious (LopHC) materials are expected to be used in the construction of an underground repository for the geological disposal of high level radioactive waste (HLW). A fundamental aspect of the development of LopHC is the accurate and reliable measurement of the pore fluid pH in order to qualify and help quantify mix designs to achieve specific pH targets. The main objective of the current research is the development of an agreed protocol for measuring the pH value of LopHC. There are four different methods described in the literature for characterizing the pore solution of cementitious materials: (1) Pore fluid expression; (2) Leaching methods, including both in-situ and ex-situ techniques); (3) Percolation methods; and (4) Embedded pH sensors. In a first step, different parameters that may affect the measured pH values were evaluated, including the solid/liquid ratio, fineness, carbonation, time, and the results obtained from a pH meter in comparison with an OH titration. Based on the results obtained from the first step, selected protocols were proposed and tested for reproducibility and repeatability in 8 laboratories of 7 countries using the same LopHC sample. The proposed methodologies showed very promising results with low deviation and high reproducibility and have allowed the development of an agreed set of simple protocols for the determination of pH in LopHC.

Journal Articles

Status of JT-60SA tokamak under the EU-JA broader approach agreement

Matsukawa, Makoto; Kikuchi, Mitsuru; Fujii, Tsuneyuki; Fujita, Takaaki; Hayashi, Takao; Higashijima, Satoru; Hosogane, Nobuyuki; Ikeda, Yoshitaka; Ide, Shunsuke; Ishida, Shinichi; et al.

Fusion Engineering and Design, 83(7-9), p.795 - 803, 2008/12

 Times Cited Count:17 Percentile:72.99(Nuclear Science & Technology)

no abstracts in English

Journal Articles

Measurement of the spin and magnetic moment of $$^{23}$$Al

Ozawa, Akira*; Matsuta, Kensaku*; Nagatomo, Takashi*; Mihara, Mototsugu*; Yamada, Kazunari*; Yamaguchi, Takayuki*; Otsubo, Takashi*; Momota, Sadao*; Izumikawa, Takuji*; Sumikama, Toshiyuki*; et al.

Physical Review C, 74(2), p.021301_1 - 021301_4, 2006/08

 Times Cited Count:41 Percentile:88.96(Physics, Nuclear)

no abstracts in English

Journal Articles

The Role of the engineered barrier system in safety cases for geological radioactive waste repositories; A Nuclear Energy Agency (NEA) initiative in co-operation with the European Commission (EC) process issues and modelling

Bennett, D. G.*; Hooper, A. J.*; Voinis, S.*; Umeki, Hiroyuki; Van Luik, A.*; Alonso, J.*

Proceedings of 2006 International High-Level Radioactive Waste Management Conference, p.669 - 676, 2006/00

no abstracts in English

Journal Articles

Intra- versus inter-site electronic excitations in NdNiO$$_{3}$$ by resonant inelastic ultra-soft X-ray scattering at Ni 3p edge

Butorin, S. M.*; S${aa}$the, C.*; Agui, Akane; Saalem, F.*; Alonso, J. A.*; Nordgren, J.*

Solid State Communications, 135(11-12), p.716 - 720, 2005/09

 Times Cited Count:4 Percentile:21.7(Physics, Condensed Matter)

no abstracts in English

Oral presentation

The Cryostat for the superconducting tokamak JT-60SA

Alonso, J.*; Botija, J.*; Medrano, M.*; Rincon, E.*; Fernandez, P.*; Soleto, A.*; Kikuchi, Mitsuru; Matsukawa, Makoto; Masaki, Kei; Shibama, Yusuke

no journal, , 

no abstracts in English

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