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Related publications (31)

Boosting hydrogen production via urea electrolysis on an amorphous nickel phosphide/graphene hybrid structure

Paul Joseph Dyson, Zhaofu Fei, Lu Chen, Yun Tong

Overall urea electrolysis has favorable thermodynamic properties and can complement traditional water splitting by simultaneously purifying urea-rich waste streams. However, the kinetics of the reaction is slow and more efficient catalysts are required. In ...

SPRINGER2021

Heteroatom oxidation controls singlet-triplet energy splitting in singlet fission building blocks

Anne-Clémence Corminboeuf, Sergio Vela Llausi, Yuri Cho, Maria Fumanal Quintana, Jacob Terence Blaskovits

Singlet fission (SF) is a promising multiexciton-generating process. Its demanding energy splitting criterion - that the S-1 energy must be at least twice that of T-1 - has limited the range of materials capable of SF. We propose heteroatom oxidation as a ...

Royal Society of Chemistry2022

Sensitivity Enhancements in Lithium Titanates by Incipient Wetness Impregnation DNP NMR

David Lyndon Emsley, Pierrick Berruyer, Pinelopi Moutzouri, Michael Allan Hope, Snaedis Björgvinsdóttir

Solid-state NMR spectroscopy is a widely used method for investigating structural and electronic properties of inorganic materials, but its use is often limited by low sensitivity. Here, we show how solvent-generated dynamic nuclear polarization can be use ...

2020

Control of the hydrogen:deuterium isotope mixture using pellets in JET

Olivier Sauter, Ambrogio Fasoli, Yiming Li, Basil Duval, Jonathan Graves, Duccio Testa, Patrick Blanchard, Federico Alberto Alfredo Felici, Henri Weisen, Alessandro Pau, Federico Nespoli, Hamish William Patten, Cristian Sommariva, Antoine Pierre Emmanuel Alexis Merle, Samuel Lanthaler, Haomin Sun, Michele Marin, Richard Pitts, Yann Camenen, Jan Horacek, Javier García Hernández, Marco Wischmeier, Nicola Vianello, Mikhail Maslov, Yao Zhou, Davide Galassi, Antonio José Pereira de Figueiredo, Emiliano Fable, Francesca Maria Poli, Daniele Brunetti, Anna Teplukhina, Alberto Mariani, Kenji Tanaka, Bernhard Sieglin, Otto Asunta, Gergely Papp, Leonardo Pigatto

Deuterium pellets are injected into an initially pure hydrogen H-mode plasma in order to control the hydrogen: deuterium (H:D) isotope mixture. The pellets are deposited in the outer 20% of the minor radius, similar to that expected in ITER, creating trans ...

2019

Determination of isotope ratio in the divertor of JET-ILW by high-resolution H alpha spectroscopy: H-D experiment and implications for D-T experiment

Olivier Sauter, Ambrogio Fasoli, Stefano Coda, Basil Duval, Jonathan Graves, Duccio Testa, Henri Weisen, Yves Martin, Federico Nespoli, David Pfefferlé, Patrick Blanchard, Jonathan Marc Philippe Faustin, Hamish William Patten, Alessandro Pau, Samuel Lanthaler, Cristian Sommariva, Stéphanie Prior, Richard Pitts, Yann Camenen, Jan Horacek, Javier García Hernández, Marco Wischmeier, Nicola Vianello, Mikhail Maslov, Yao Zhou, Davide Galassi, Antonio José Pereira de Figueiredo, Liang Yao, Dalziel Joseph Wilson, Bernhard Sieglin, Otto Asunta

The data of the H alpha high-resolution spectroscopy, collected on the multiple lines of sight, which cover the entire divertor space in poloidal cross-section, during the recent hydrogen-deuterium experiments in JET-ILW (ITER-like wall), are processed. A ...

IOP Publishing Ltd2019

On a fusion born triton effect in JET deuterium discharges with H-minority ion cyclotron range of frequencies heating

Olivier Sauter, Ambrogio Fasoli, Basil Duval, Stefano Coda, Martinus Gijs, Jonathan Graves, Yves Martin, Duccio Testa, Patrick Blanchard, Bruno Emanuel Ferreira De Sousa Correia, Alessandro Pau, Pierre-Thomas Paul Brun, Cristian Sommariva, Henri Weisen, Richard Pitts, Sun Hee Kim, Yann Camenen, Jan Horacek, Javier García Hernández, Marco Wischmeier, Mikhail Maslov, Nicola Vianello, Miguel Fernández Ruiz, Federico Nespoli, Antonio José Pereira de Figueiredo, Liang Yao, Yao Zhou, David Pfefferlé, Dalziel Joseph Wilson, Robin Humphry-Baker, Davide Galassi, José Pedro Rebelo Ferreira Marques, Ana Francisca Leal Silva Soares, Jonathan Marc Philippe Faustin, Daniel Scott Alessi, Arnout Lodewijk M Beckers, Julio Rodriguez, Hamish William Patten, Jonnathan Cesar Hidalgo Acosta, , , , , , , , ,

Maximizing specific energy by breeding deuterium

Justin Richard Ball

Specific energy (i.e. energy per unit mass) is one of the most fundamental and consequential properties of a fuel source. In this work, a systematic study of measured fusion cross-sections is performed to determine which reactions are potentially feasible ...

IOP Publishing Ltd2019

The software and hardware architecture of the real-time protection of in-vessel components in JET-ILW

Olivier Sauter, Ambrogio Fasoli, Basil Duval, Stefano Coda, Jonathan Graves, Yves Martin, Duccio Testa, Patrick Blanchard, Henri Weisen, Alessandro Pau, Federico Nespoli, Cristian Sommariva, David Pfefferlé, Richard Pitts, Jonathan Marc Philippe Faustin, Yann Camenen, Hamish William Patten, Jan Horacek, Samuel Lanthaler, Javier García Hernández, Ana Francisca Leal Silva Soares, Marco Wischmeier, Pedro Camilo de Oliveira e Silva, Nicola Vianello, Mikhail Maslov, Yao Zhou, Davide Galassi, Antonio José Pereira de Figueiredo, Liang Yao, Dalziel Joseph Wilson, Bernhard Sieglin, Otto Asunta

For the first time, the JET operation in deuterium-tritium (D-T) plasma, which is scheduled to take place on JET in 2020, will be performed in the ITER mix of plasma-facing component materials. In view of the preparation of the DT campaign (DTE2), several ...

IOP Publishing Ltd2019

A systematic investigation on the bactericidal transient species generated by photo-sensitization of natural organic matter (NOM) during solar and photo Fenton disinfection of surface waters

César Pulgarin, Stefanos Giannakis, Mona Kohantorabi, Ling Feng

In this work, the role of dissolved oxygen in the solar and the photo-Fenton-mediated E. coli inactivation process was put under scrutiny. The effect of transient species that were produced in the presence of various natural organic matter isolates (NOM), ...

ELSEVIER SCIENCE BV2019

Improvements in physics models of AFSI-ASCOT-based synthetic neutron diagnostics at JET

Henri Weisen

New development steps of AFSI-ASCOT based synthetic neutron diagnostics and validation at JET are reported in this contribution. Synthetic neutron diagnostics are important not only in existing tokamaks, where they are used to interpret experimental data, ...

ELSEVIER SCIENCE SA2019

Overview of the JET preparation for deuterium-tritium operation with the ITER like-wall

Olivier Sauter, Ambrogio Fasoli, Yiming Li, Basil Duval, Martinus Gijs, Jonathan Graves, Duccio Testa, Patrick Blanchard, Federico Alberto Alfredo Felici, Bruno Emanuel Ferreira De Sousa Correia, Alessandro Pau, Henri Weisen, Richard Pitts, Cristian Sommariva, Sun Hee Kim, Antoine Pierre Emmanuel Alexis Merle, Yann Camenen, Haomin Sun, Jan Horacek, Michele Marin, Marco Wischmeier, Mikhail Maslov, Antonio José Pereira de Figueiredo, Dalziel Joseph Wilson, Emiliano Fable, Javier García Hernández, Francesca Maria Poli, José Pedro Rebelo Ferreira Marques, Nicola Vianello, Soo-Jin Moon, Karin Söderström, Federico Nespoli, Ana Francisca Leal Silva Soares, Yao Zhou, Daniel Scott Alessi, Davide Galassi, Arnout Lodewijk M Beckers, Ricardo Lima, Hamish William Patten, , , , , , , , , , , , , , , ,

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IOP Publishing Ltd

Samuel Lanthaler

Li Shuai

Pedro Camilo de Oliveira e Silva

Alberto Hernando de Castro

An effect due to fusion born triton production has been observed in JET high-performance deuterium plasma discharges with neutral beam injection (NBI) and H-minority ion cyclotron range of frequencies (ICRF) heating, using DD and deuterium tritium (DT) neu ...

IOP Publishing Ltd2019

Julio Rodriguez

Samuel Lanthaler

Jonnathan Cesar Hidalgo Acosta

Li Shuai

Pedro Camilo de Oliveira e Silva

Daniele Brunetti

Alberto Hernando de Castro

For the past several years, the JET scientific programme (Pamela et al 2007 Fusion Eng. Des. 82 590) has been engaged in a multi-campaign effort, including experiments in D, H and T, leading up to 2020 and the first experiments with 50%/50% D-T mixtures si ...

IOP Publishing Ltd2019