Results 71 to 80 of about 23,056 (219)

Electrolyte‐Dependent Sodium Plating for Anode‐Free Na‐Ion Batteries Studied by Operando Optical Microscopy

Advanced Science, Volume 13, Issue 24, 27 April 2026.
Anode‐free sodium‐ion batteries are examined using carbonate‐, glyme‐, and localized high‐concentration electrolytes. Distinct sodium plating morphologies are identified by operando optical microscopy, revealing uniform crystalline deposition for glyme‐based systems.
Moritz Exner, Dominik Stepien, Annica I. Freytag, Pedro B. Groszewic, Xiangping Min, Nour Adrah, Peter Axmann, Philipp Adelhelm   +7 more
wiley   +1 more source

Direct Imaging of a Prolonged Plasma/Current Sheet and Quasiperiodic Magnetic Reconnection on the Sun

The Astrophysical Journal
Magnetic reconnection is widely believed to be the fundamental process in the solar atmosphere that underlies magnetic energy release and particle acceleration.
Pankaj Kumar, Judith T. Karpen, Vasyl Yurchyshyn, C. Richard DeVore, Spiro K. Antiochos   +4 more
doaj   +1 more source

Observational Evidence for Magnetic Reconnection in Solar Flares [PDF]

International Astronomical Union Colloquium, 1993
AbstractFrom studies of the magnetic topology of flaring active regions, the separator - a region were magnetic reconnection can take place - appears to be magnetically connected to places of intense chromospheric flare brightening. This suggests that magnetic reconnection occurs in the separator region in solar flares.
J.C. Henoux, P. Demoulin, C.H. Mandrini, M.G. Rovira   +3 more
openaire   +1 more source

Universal Time Influence on Stormtime Magnetosphere Ionosphere Coupling

AGU Advances, Volume 7, Issue 2, April 2026.
Abstract The offset between Earth's magnetic and rotational axes introduces a diurnal dependence in the high‐latitude EUV exposure of the northern hemisphere (NH) and southern hemisphere (SH). This variation raises the question: Does the Universal Time (UT) of geomagnetic storm onset impact its geospace consequences?
Kalpesh Ghag, William Lotko, Kevin Pham, Dong Lin, Viacheslav Merkin, Anil Raghav, Michael Wiltberger   +6 more
wiley   +1 more source

The Evolution of Photospheric Magnetic Fields at the Footpoints of Reconnected Structures in the Solar Atmosphere

The Astrophysical Journal
Magnetic reconnection is believed to play an important role in the release and conversion of energy among magnetized plasma systems. So far, we have been unable to understand under what conditions magnetic reconnection can take place.
Tao Ding, Jun Zhang, Yue Fang, Junchao Hong, Yi Bi, Yongyuan Xiang   +5 more
doaj   +1 more source

Magnetic Reconnection in Astrophysical Environments

, 2014
Magnetic reconnection is a process that changes magnetic field topology in highly conducting fluids. Traditionally, magnetic reconnection was associated mostly with solar flares.
Eyink, G., Kowal, G., Lazarian, A, Vishniac, E.   +3 more
core   +1 more source

Asymmetric Magnetic Reconnection In The Solar Atmosphere

, 2013
Models of solar flares and coronal mass ejections typically predict the development of an elongated current sheet in the wake behind the rising flux rope. In reality, reconnection in these current sheets will be asymmetric along the inflow, outflow, and out-of-plane directions.
Murphy, Nicholas A., Miralles, Mari Paz, Ranquist, Drake, Pope, Crystal, Raymond, John, Lukin, Vyacheslav, McKillop, Sean, Shen, Chengcai, Winter, Henry, Reeves, Katharine, Lin, Jun   +10 more
openaire   +1 more source

Evidence for a Localized Burst of Relativistic Electrons Produced in Earth's Plasma Sheet During a Substorm

Journal of Geophysical Research: Space Physics, Volume 131, Issue 4, April 2026.
Abstract Earth's magnetotail and its plasma sheet are highly dynamic, influenced by both the solar wind and the inner magnetosphere. Periodically, energy is explosively released in the magnetotail during substorms. However, the extent to which electrons are accelerated in the magnetotail remains an open question, with recent observations revealing ...
M. Shumko, D. L. Turner, A. Y. Ukhorskiy, I. J. Cohen, G. K. Stephens, A. Artemyev, X. Zhang, C. Wilkins, E. Tsai, C. Gabrielse, S. Raptis, M. Sitnov, V. Angelopoulos   +12 more
wiley   +1 more source

Magnetic Reconnection–driven Energization of Protons up to ∼400 keV at the Near-Sun Heliospheric Current Sheet

The Astrophysical Journal Letters
We report observations of direct evidence of energetic protons being accelerated above ∼400 keV within the reconnection exhaust of a heliospheric current sheet (HCS) crossing by NASA’s Parker Solar Probe (PSP) at a distance of ∼16.25 solar radii ( R _s )
M. I. Desai, J. F. Drake, T. Phan, Z. Yin, M. Swisdak, D. J. McComas, S. D. Bale, A. Rahmati, D. Larson, W. H. Matthaeus, M. A. Dayeh, M. J. Starkey, N. E. Raouafi, D. G. Mitchell, C. M. S. Cohen, J. R. Szalay, J. Giacalone, M. E. Hill, E. R. Christian, N. A. Schwadron, R. L. McNutt Jr., O. Malandraki, P. Whittlesey, R. Livi, J. C. Kasper   +24 more
doaj   +1 more source

Theory of magnetic reconnection in solar and astrophysical plasmas [PDF]

Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 2012
Magnetic reconnection is a fundamental process in a plasma that facilitates the release of energy stored in the magnetic field by permitting a change in the magnetic topology. In this paper, we present a review of the current state of understanding of magnetic reconnection.
openaire   +4 more sources