Results 101 to 110 of about 602,867 (270)

Ultrafast Transitions in X‐Ray Irradiated Solids

Contributions to Plasma Physics, EarlyView.
ABSTRACT In this review, we present current developments on modeling ultrafast transitions in solids triggered by intense, atto‐ to femtosecond pulses from X‐ray free electron lasers. This specific irradiation regime requires dedicated simulation tools based on theoretical and computational methods, involving the elements of classical and quantum ...
Sebastião Antunes, Konrad J. Kapcia, Vladimir Lipp, Beata Ziaja   +3 more
wiley   +1 more source

Reducing the Aspect Ratio of Contact Holes by In-Situ Low-Angle Cross Sectioning

, 2015
Auger analysis of high-aspect ratio contact holes of integrated microelectronic devices is a challenging analytical task. Due to geometrical shadowing the primary electron beam and the energy analyser have not the required direct line of sight to the ...
Scheithauer, Uwe
core   +1 more source

Low‐Ru‐Content CuCoRu Aerogel for Boosted Electrocatalytic Nitrate Reduction to Ammonia

EcoEnergy, EarlyView.
Low‐Ru‐content Cu5Co5Ru aerogel with enhanced hydrogenation ability and 3D robust aerogel skeletons enables high‐efficiency and long‐term electrocatalytic nitrate reduction to ammonia at low overpotential, achieving an exceptional ammonia yield rate of 2.7 ± 0.1 mmol cm−2 h−1 and a high Faradaic efficiency of ∼97% at −0.1 V versus RHE as well as an ...
Jinjie Tan, Wenjun Ning, Jiashu Chen, Dongyang Lou, Zhehang Jiang, Shurong Li, Rui Zhou, Weichun Chang, Xiu‐Zhi Tang, Libin Zeng, Wei Huang, Jing Yang   +11 more
wiley   +1 more source

Theory of Spin-Resolved Auger-Electron Spectroscopy from Ferromagnetic 3d-Transition Metals

, 1999
CVV Auger electron spectra are calculated for a multi-band Hubbard model including correlations among the valence electrons as well as correlations between core and valence electrons. The interest is focused on the ferromagnetic 3d-transition metals. The
A. A. Abrikosov, A. I. Lichtenstein, A. Liebsch, C. Guillot, C. J. Powell, D. A. Papaconstantopoulos, D. D. Sarma, D. D. Sarma, D. D. Sarma, D. E. Ramaker, D. N. Zubarev, G. A. Sawatzky, G. A. Sawatzky, G. Hörmandinger, G. Tréglia, H. Kajueter, H. Schweitzer, J. C. Slater, J. J. Lander, K. Held, L. Kleinman, M. Cini, M. Cini, M. Cini, M. Fleck, M. I. Katsnelson, M. Kotrla, M. M. Steiner, M. Potthoff, M. Potthoff, M. Potthoff, M. Potthoff, M. Potthoff, M. Potthoff, M. Potthoff, M. Potthoff, P. J. Brown, P. J. Brown, P. Lambin, P. Weightman, P.-O. Löwdin, R. Allenspach, R. Weissmann, S. B. Whitefield, S. Hirooka, S. Raaen, T. Wegner, V. Drchal, V. Drchal, V. I. Anisimov, V. I. Anisimov, W. Metzner, W. Nolting, W. Nolting, W. Nolting, W. Nolting, W. Nolting, W. Nolting, Y. Kucherenko, Y. Sakisaki   +59 more
core   +1 more source

Topographic compensation in auger electron spectroscopy.

Hyomen Kagaku, 1987
Abstract The scanning Auger microprobe (SAM) produces Auger images which provide information on the elemental distribution of specimen surfaces. However specimen topography affects the data obtained. To eliminate the topographical effect, the peak‐to‐background ratio, ( P −
Tetsu Sekine, Tomoshige Sato, Yuji Nagasawa, Yuji Sakai   +3 more
openaire   +2 more sources

Highly Efficient Sky‐Blue Perovskite Quantum Dot Light‐Emitting Diodes via Ligand‐Assisted Trap‐State Passivation

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Highly efficient sky‐blue LED with EQE of 13.6% is realized through short‐chain ligand tridecylamine treaded perovskite quantum dots, due to the suppressed non‐radiative recombination from the trap state. These results indicate that the ligand with strong affinity can facilitate the surface defects passivation, resulting in enhanced optical properties,
Mengyu Zhu, Wei Gao, Qi Wei, Lyuchao Zhuang, Zhiwen Cheng, Mengjuan Sun, Chao Xu, Rui Zhi, Junyi Chen, Jingshan Hou, Ye Zhu, Jun Yin, Mingjie Li, Siu Fung Yu, Yongzheng Fang   +14 more
wiley   +1 more source

Proposed method for laser spectroscopy of pionic helium atoms to determine the charged-pion mass

, 2014
Metastable pionic helium ($\pi{\rm He}^+$) is a three-body atom composed of a helium nucleus, an electron occupying the $1s$ ground state, and a negatively charged pion $\pi^-$ in a Rydberg state with principal- and orbital angular momentum quantum ...
Hori, Masaki, Korobov, Vladimir I., Sótér, Anna   +2 more
core   +1 more source

Constructing Cu/Cu2O Heterogeneous Interface for Efficient Urea Electrosynthesis

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
In this study, a Cu/Cu2O heterogeneous interface with dual active sites is prepared for electrocatalytic CO2 and NO3−$$ {\mathrm{NO}}_3^{-} $$ coupling to urea. The catalyst shows high yield rates of 1156.63 mmol g−1 h−1 and FE of 29.67% at −1.0 V (vs RHE), which is significantly higher than Cu and Cu2O, highlighting the advantages of heterogeneous ...
Jiani Liu, Peiyue Jin, Yujing Liu, Tian Cheng, Jianlong Wei, Jingjing Liu, Yiqiong Zhang, Shuangyin Wang   +7 more
wiley   +1 more source

Effect of pretreatment on a platinized tin oxide catalyst used for low-temperature CO-oxidation [PDF]

A commercial platinized tin oxide catalyst used for low-temperature CO oxidation has been characterized using ion scattering spectroscopy (ISS), Auger electron spectroscopy (AES) and Electron Spectroscopy for Chemical Analysis (ESCA) before and after ...
Drawdy, Jean E., Gardner, Steven D., Hoflund, Gar B., Schryer, David R., Yngvadottir, Eva   +4 more
core   +1 more source

Progress Toward Efficient Wide‐Gap Cu(In,Ga)(S,Se)2 Thin‐Film Solar Cells

Progress in Photovoltaics: Research and Applications, EarlyView.
Wide‐gap Cu (In,Ga)(S,Se)2 thin‐film solar cells are studied in view of their performance, limitations, and opportunities for further optimization. Different sources of open circuit voltage limitations were discussed and weighted. Interface recombination appears the main recombination channel, which however can be influenced heavy alkali treatment ...
Setareh Zahedi‐Azad, Roland Scheer, Dimitrios Hariskos, Stefan Paetel, Wolfram Hempel, Wolfram Witte, Hao Luo, Oana Cojocaru‐Mirédin, Mary Blankenship, Dirk Hauschild, Victor van Maris, Lothar Weinhardt, Clemens Heske, Thomas Unold, José A. Márquez, Jasmin Seeger, Florian Wilhelmi, Michael Hetterich, Thomas Niesen, Patrick Eraerds, Thomas Dalibor, Xiaowei Jin, Reinhard Schneider, Dagmar Gerthsen, Di Wang, Christian Kübel   +25 more
wiley   +1 more source