Results 31 to 40 of about 18,093 (183)

Recent ASDEX Upgrade research in support of ITER and DEMO [PDF]

, 2015
Recent experiments on the ASDEX Upgrade tokamak aim at improving the physics base for ITER and DEMO to aid the machine design and prepare efficient operation. Type I edge localized mode (ELM) mitigation using resonant magnetic perturbations (RMPs) has
García Muñoz, Manuel, Rodríguez Ramos, Mauricio, Sanchis-Sánchez, L., Viezzer, Eleonora, Zohm, H.   +4 more
core   +1 more source

Opportunities of Semiconducting Oxide Nanostructures as Advanced Luminescent Materials in Photonics

Advanced Materials, EarlyView.
The review discusses the challenges of wide and ultrawide bandgap semiconducting oxides as a suitable material platform for photonics. They offer great versatility in terms of tuning microstructure, native defects, doping, anisotropy, and micro‐ and nano‐structuring. The review focuses on their light emission, light‐confinement in optical cavities, and
Ana Cremades, Pedro Hidalgo, David Maestre, Ruth Martínez‐Casado, Emilio Nogales, Beatriz Rodríguez, G. Cristian Vásquez, Bianchi Méndez   +7 more
wiley   +1 more source

The influence of E× B drift on tungsten target erosion and W impurity transport during neon seeding on EAST

Nuclear Fusion, 2023
Abstract Mitigating tungsten (W) wall erosion and core accumulation are vitally important for the steady-state operation of tokamaks. It is well known that drifts have a great impact on the transport of charged particles in the edge region, which could affect W source and W impurity transport. In this work, SOLPS-ITER modeling is applied
Yilin Wang, Chaofeng Sang, Xuele Zhao, Yihan Wu, Qingrui Zhou, Yanjie Zhang, Dezhen Wang   +6 more
openaire   +2 more sources

Spin‐Split Edge States in Metal‐Supported Graphene Nanoislands Obtained by CVD

Advanced Materials, EarlyView.
Combining STM measurements and ab‐initio calculations, we show that zig‐zag edges in graphene nanoislands grown on Ni(111) by CVD retrieve their spin‐polarized edge states after intercalation of a few monolayers of Au. ABSTRACT Spin‐split states localized on zigzag edges have been predicted for different free‐standing graphene nanostructures.
Michele Gastaldo, Masoud Mansouri, Carlos Garcia‐Fernandez, Daniel Sánchez‐Portal, Aran Garcia‐Lekue, Gustavo Ceballos, Aitor Mugarza   +6 more
wiley   +1 more source

Direct Gyrokinetic Comparison of Pedestal Transport in JET with Carbon and ITER-Like Walls [PDF]

, 2019
This paper compares the gyrokinetic instabilities and transport in two representative JET pedestals, one (pulse 78697) from the JET configuration with a carbon wall (C) and another (pulse 92432) from after the installation of JET's ITER-like Wall (ILW ...
Field, A. R., Giroud, C., Hatch, D. R., Hillesheim, J. C., Kotschenreuther, M., Maggi, C. F., Mahajan, S. M., Merlo, G., Perez von Thun, C., Roach, C. M., Saarelma, S., Subba, F.   +11 more
core   +2 more sources

Comparative modeling studies of carbon and tungsten impurity transport in the boundary plasma of EAST with a partially detached divertor condition

Nuclear Materials and Energy, 2022
The source and leakage of both C and W are comparatively studied for a partially detached divertor operation condition on EAST. Based on the EAST experiments, sequential SOLPS-DIVIMP simulations are carried out to study the transport of intrinsic impurities in the boundary plasma. Carbon distribution from the fluid SOLPS simulation is in good agreement
Guoliang Xu, Hui Wang, Rui Ding, Xiaoju Liu, Hang Si, Dahuan Zhu, Rong Yan, Ran Hai, Hai Xie, Junling Chen   +9 more
openaire   +2 more sources

Reactive Carbide‐Based Synthesis and Microstructure of NASICON Sodium Metal All Solid‐State Electrolyte

Advanced Materials, EarlyView.
Sodium Metal All‐Solid State Batteries (Na‐ASSBs) are enabled by the synthesis of the solid state electrolyte, NASICON (Na1+xZr2SixP3‐xO12), using carbide‐based precursor compounds (ZrC and SiC); resulting in dense, pure, and mechanically improved microstructure.
Callum J. Campbell, Scott Monismith, Vikalp Raj, Yixian Wang, Qianqian Yan, Cole D. Fincher, Rohit Raj, Yet‐Ming Chiang, John Watt, Josefine D. McBrayer, David Mitlin   +10 more
wiley   +1 more source

Effects of stoichiometry, purity, etching and distilling on resistance of MgB2 pellets and wire segments [PDF]

, 2002
We present a study of the effects of non-stoichiometry, boron purity, wire diameter and post-synthesis treatment (etching and Mg distilling) on the temperature dependent resistance and resistivity of sintered MgB2 pellets and wire segments.
Bud’ko, C Petrovic, Canfield, Chen, Cunningham, Finnemore, Kijoon, Lee, Nagamatsu, P.C Canfield, Pradhan, R.A Ribeiro, S.L Bud’ko   +12 more
core   +2 more sources

Low Resistance Interphase Formation at the PEO‐LiTFSI|LGPS Interface in Lithium Solid‐State Batteries

Advanced Materials Interfaces, EarlyView.
Interfacial charge transfer and low‐resistance interphase formation between PEO‐based polymer and Li10GeP2S12 solid electrolytes are investigated using multi‐electrode impedance spectroscopy and advanced analytical techniques such as XPS and ToF‐SIMS.
Ujjawal Sigar, Timo Weintraut, Sebastian L. Benz, Semih Engün, Sascha Kremer, Anja Henss, Felix H. Richter   +6 more
wiley   +1 more source

Investigation of acceptor levels and hole scattering mechanisms in p-gallium selenide by means of transport measurements under pressure

, 1997
The effect of pressure on acceptor levels and hole scattering mechanisms in p-GaSe is investigated through Hall effect and resistivity measurements under quasi-hydrostatic conditions up to 4 GPa.
A. Chevy, A. Segura, Conwell E. M., D. Errandonea, J. F. Sánchez-Royo, L. Roa, Mooser E., Segura A., Ulrich C., van der Pauw J. L.   +9 more
core   +1 more source