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Journal Articles

The Joint evaluated fission and fusion nuclear data library, JEFF-3.3

Plompen, A. J. M.*; Cabellos, O.*; De Saint Jean, C.*; Fleming, M.*; Algora, A.*; Angelone, M.*; Archier, P.*; Bauge, E.*; Bersillon, O.*; Blokhin, A.*; et al.

European Physical Journal A, 56(7), p.181_1 - 181_108, 2020/07

 Times Cited Count:331 Percentile:99.41(Physics, Nuclear)

The Joint Evaluated Fission and Fusion nuclear data library 3.3 is described. New evaluations for neutron-induced interactions with the major actinides $$^{235}$$U, $$^{238}$$U and $$^{239}$$Pu, on $$^{241}$$Am and $$^{23}$$Na, $$^{59}$$Ni, Cr, Cu, Zr, Cd, Hf, W, Au, Pb and Bi are presented. It includes new fission yileds, prompt fission neutron spectra and average number of neutrons per fission. In addition, new data for radioactive decay, thermal neutron scattering, gamma-ray emission, neutron activation, delayed neutrons and displacement damage are presented. JEFF-3.3 was complemented by files from the TENDL project. The libraries for photon, proton, deuteron, triton, helion and alpha-particle induced reactions are from TENDL-2017. The demands for uncertainty quantification in modeling led to many new covariance data. A comparison between results from model calculations using the JEFF-3.3 library and those from benchmark experiments for criticality, delayed neutron yields, shielding and decay heat, reveals that JEFF-3.3 is excellent for a wide range of nuclear technology applications, in particular nuclear energy.

Journal Articles

Improving nuclear data accuracy of $$^{241}$$ Am and $$^{237}$$ Np capture cross sections

$v{Z}$erovnik, G.*; Schillebeeckx, P.*; Cano-Ott, D.*; Jandel, M.*; Hori, Junichi*; Kimura, Atsushi; Rossbach, M.*; Letourneau, A.*; Noguere, G.*; Leconte, P.*; et al.

EPJ Web of Conferences, 146, p.11035_1 - 11035_4, 2017/09

 Times Cited Count:3 Percentile:86.09(Nuclear Science & Technology)

Journal Articles

Activation and control of visible single defects in 4H-, 6H-, and 3C-SiC by oxidation

Lohrmann, A.*; Castelletto, S.*; Klein, J. R.*; Oshima, Takeshi; Bosi, M.*; Negri, M.*; Lau, D. W. M.*; Gibson, B. C.*; Prawer, S.*; McCallum, J. C.*; et al.

Applied Physics Letters, 108(2), p.021107_1 - 021107_4, 2016/01

 Times Cited Count:39 Percentile:82.59(Physics, Applied)

Journal Articles

Single-photon emitting diode in silicon carbide

Lohrmann, A.*; Iwamoto, Naoya*; Bodrog, Z.*; Castelletto, S.*; Oshima, Takeshi; Karle, T. J.*; Gali, A.*; Prawer, S.*; McCallum, J. C.*; Johnson, B. C.*

Nature Communications (Internet), 6, p.7783_1 - 7783_7, 2015/07

 Times Cited Count:145 Percentile:96.84(Multidisciplinary Sciences)

Journal Articles

Room temperature quantum emission from cubic silicon carbide nanoparticles

Castelletto, S.*; Johnson, B. C.*; Zachreson, C.*; Beke, D.*; Balogh, I.*; Oshima, Takeshi; Aharonovich, I.*; Gali, A.*

ACS Nano, 8(8), p.7938 - 7947, 2014/08

 Times Cited Count:86 Percentile:90.39(Chemistry, Multidisciplinary)

Journal Articles

Fermi surface in the hidden-order state of URu$$_2$$Si$$_2$$ under intense pulsed magnetic fields up to 81T

Scheerer, G. W.*; Knafo, W.*; Aoki, Dai*; Nardone, M.*; Zitouni, A.*; B$'e$ard, J.*; Billette, J.*; Barata, J.*; Jaudet, C.*; Suleiman, M.*; et al.

Physical Review B, 89(16), p.165107_1 - 165107_12, 2014/04

 Times Cited Count:10 Percentile:41.74(Materials Science, Multidisciplinary)

Journal Articles

A Silicon carbide room-temperature single-photon source

Castelletto, S.*; Johnson, B.*; Ivady, V.*; Stavrias, N.*; Umeda, Takahide*; Gali, A.*; Oshima, Takeshi

Nature Materials, 13(2), p.151 - 156, 2014/02

 Times Cited Count:413 Percentile:99.43(Chemistry, Physical)

The generation and detection of single photons play a central role in the experimental foundation of quantum mechanics and measurement theory. An effcient and high-quality single-photon source is thought to be necessary to realize quantum key distribution, quantum repeaters and photonic quantum information processing. We found the identication and formation of ultra-bright, room temperature, photo-stable single photon sources in silicon carbide (SiC). The single photon source consists of an intrinsic defect which is known as the carbon antisite vacancy pair, created by carefully optimized electron irradiation and annealing of ultra pure SiC. An extreme brightness (2$$times$$10$$^{6}$$ counts/s) resulting from polarization rules and a high quantum effciency is obtained in the bulk without resorting to the use of a cavity or plasmonic structure.

JAEA Reports

Sorption studies of plutonium on geological materials

G M N BASTON*; J A BERRY*; M BROWNSWORD*; D J LLETT*; C M LINKLATER*; S W SWANTON*; Tweed, C. J.*

JNC TJ8400 99-078, 72 Pages, 1999/03

JNC-TJ8400-99-078.pdf:3.37MB

A desk study has been carried out to establish the feasibility of measuring the oxidation state of plutonium under near-neutral strongly-reducing conditions. X-ray absorbance spectroscopy appears to be capable of establishing the oxidation state of plutonium sorbed on a suitable substrate. An experimental and modelling investigation has been performed to study the sorption of plutonium onto basalt, mudstone and sandstone under strongly-reducing conditions at three concentrations of carbonate. Appropriate synthetic rock-equilibrated de-ionised water and seawater were used. A model has been developed to describe the sorption of plutonium onto basalt, mudstone and sandstone in de-ionised water and seawater. Predicted R$$_{D}$$ values are generally in good agreement with the observed experimental measurements. The model is based on sorption of plutonium(III) species and assumes iron oxide is the dominant sorbing phase.

Oral presentation

Towards f-electron single-molecule magnets; Physical properties of a Tm-based "double decker" complex

Magnani, N.*; Caciuffo, R.*; Colineau, E.*; Wastin, F.*; Amoretti, G.*; Carretta, S.*; Santini, P.*; Baraldi, A.*; Capelletti, R.*; Adroja, D. T.*; et al.

no journal, , 

no abstracts in English

Oral presentation

Creation of single photon source in silicon carbide using electron irradiation

Oshima, Takeshi; Johnson, B. C.*; Castelletto, S.*; Ivady, V.*; Stavrias, N.*; Umeda, Takahide*; Gali, A.*

no journal, , 

no abstracts in English

Oral presentation

Search of defect centers acting as single photon source in silicon carbide

Oshima, Takeshi; Onoda, Shinobu; Makino, Takahiro; Iwamoto, Naoya*; Johnson, B. C.*; Lohrmann, A.*; Karle, T.*; McCallum, J. C.*; Castelletto, S.*; Umeda, Takahide*; et al.

no journal, , 

no abstracts in English

Oral presentation

Single photon source in silicon carbide annealed at high temperature

Oshima, Takeshi; Lohrmann, A.*; Johnson, B. C.*; Castelletto, S.*; Onoda, Shinobu; Makino, Takahiro; Takeyama, Akinori; Klein, J. R.*; Bosi, M.*; Negri, M.*; et al.

no journal, , 

no abstracts in English

Oral presentation

Visible range photoluminescence from single photon sources in 3C, 4H and 6H silicon carbide

Lohrmann, A.*; Castelletto, S.*; Klein, J. R.*; Bosi, M.*; Negri, M.*; Lau, D. W. M.*; Gibson, B. C.*; Prawer, S.*; McCallum, J. C.*; Oshima, Takeshi; et al.

no journal, , 

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