Oxygen Ions
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2022 ◽  
Vol 8 (2) ◽  
Author(s):  
Elias Roussos ◽  
Christina Cohen ◽  
Peter Kollmann ◽  
Marco Pinto ◽  
Norbert Krupp ◽  
...  

A local charged particle source in Jupiter’s inner radiation belts generates oxygen ions of cosmic ray energies.


Author(s):  
Ashley Nemec-Bakk ◽  
Vijayalakshmi Sridharan ◽  
Reid D Landes ◽  
Preeti Singh ◽  
Maohua Cao ◽  
...  

Author(s):  
Jun Hyuk Kim ◽  
Jaewoon Hong ◽  
Dae-Kwang Lim ◽  
Sejong Ahn ◽  
Jinwook Kim ◽  
...  

Single-phase materials with mixed ionic and electronic conductivity underpin multiple solid-state electrochemical devices as promising electrodes. In particular, triple-conducting oxides that carry protons, oxygen ions, and electron holes simultaneously have...


Universe ◽  
2021 ◽  
Vol 7 (12) ◽  
pp. 507
Author(s):  
Daniele Telloni

The large-scale configuration of the UV solar corona at the minimum activity between solar cycles 22 and 23 is explored in this paper. Exploiting a large sample of spectroscopic observations acquired by the Ultraviolet Coronagraph Spectrometer aboard the Solar and Heliospheric Observatory in the two-year period of 1996–1997, this work provides the first-ever monochromatic O vi 1032 Å image of the extended corona, and the first-ever two-dimensional maps of the kinetic temperature of oxygen ions and the O vi 1037/1032 Å doublet intensity ratio (a proxy for the outflow velocity of the oxygen component of the solar wind), statistically representative of solar minimum conditions. A clear dipolar magnetic structure, both equator- and axis-symmetric, is distinctly shown to shape the solar minimum corona, both in UV emission and in temperature and expansion rate. This statistical approach allows for robust establishment of the key role played by the magnetic field divergence in modulating the speed and temperature of the coronal flows, and identification of the coronal sources of the fast and slow solar wind.


2021 ◽  
Vol 11 (22) ◽  
pp. 10750
Author(s):  
Xianbing Ming ◽  
Zekun Wang ◽  
Yi Zhang

With valuable physicochemical properties, yttria-stabilized zirconia crystal has promising advantages in optical applications. In this paper, the waveguide effect is observed in yttria-stabilized zirconia crystal irradiated by energetic oxygen ions. The waveguide properties and the field intensity are analyzed using prism and end-face coupling method arrangements, and the results show that monomode is found in the near-surface region and the light beam can be well confined in the waveguide structure, which shows refractive index distribution of the barrier-wall and enhanced-well type. The lattice damage induced by irradiation is investigated by the Rutherford backscattering/channeling experiment and high-resolution X-ray diffraction techniques. The simulation results are in good agreement with the experimental data.


Author(s):  
Andrey Zhuravlev ◽  
Karine Abgaryan ◽  
Dmitry Bazhanov ◽  
Dmitry Reviznikov

The work is devoted to Monte Carlo modeling of the formation / destruction of oxygen vacancies and the migration of oxygen ions in oxide layers of memristive elements.


Author(s):  
Ekaterina Ganykina ◽  
Asrar Rezvanov ◽  
Yevgeny Gornev

In this paper, the physical principles of resistive switching in the Au/Ti/HfO2/Au/Si memristor are investigated, including oxygen ions transport, heat transfer and electric current flow through the structure.


2021 ◽  
Vol 0 (0) ◽  
Author(s):  
Leila Momenzadeh ◽  
Steffen Grieshammer ◽  
Irina V. Belova ◽  
Graeme E. Murch

Abstract In this overview, we summarize the phenomenon of thermotransport (the close coupling of mass transport and heat transport) in two fast ion conductors: yttria-doped zirconia and gadolinia-doped ceria. We focus on two recent molecular dynamics calculations using the Green-Kubo formalism. We show that the Onsager thermotransport cross coefficient (mass-heat coupling) is negative, meaning that oxygen ions would drift, in principle, to the hot side in a temperature gradient. Simulation results presented in this overview show reasonable agreement with available experimental data for thermal conductivity. Results of this study suggest that the coupling between mass and heat transport in oxygen ion electrolytes could have significant effect for practical applications.


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