Results 61 to 70 of about 437,426 (252)

X-Ray Polarimetry of Accreting White Dwarfs: A Case Study of EX Hydrae

The Astrophysical Journal
We present the first first X-ray polarization measurements of a white dwarf (WD), the intermediate polar EX Hya. We measured significant polarization only in the 2–3 keV energy band with a polarization degree of 8% at a 3 σ significance.
Sean J. Gunderson, Swati Ravi, Herman L. Marshall, Dustin K. Swarm, Richard Ignace, Yael Nazé, David P. Huenemoerder, Pragati Pradhan   +7 more
doaj   +1 more source

Electrolyte Design for Fast‐Charging Lithium‐Based Batteries

Advanced Materials, EarlyView.
A decade of progress in fast‐charging electrolytes for lithium batteries is reviewed. Electrolyte design strategies spanning solvents, salts, additives, and advanced systems, such as localized high‐concentration electrolytes (LHCEs), are summarized. Advanced diagnostic tools for lithium plating and interphase chemistry are discussed, with perspectives ...
Chen Liu, Zehao Cui, Arumugam Manthiram
wiley   +1 more source

A Multiwavelength Study of the 2025 Low State of the Intermediate Polar BG CMi

The Astrophysical Journal
We present multiwavelength observations of the first recorded low state of the intermediate polar BG CMi. Optical monitoring of the source by members of the American Association of Variable Star Observers reveals a decrease of ∼0.5 mag that lasted ∼50 ...
A. W. Shaw, K. Mukai, C. O. Heinke, C. G. Nixon, D. A. H. Buckley, P. A Dubovský, F.-J. Hambsch, J. Hilburn, K. Petrík, R. M. Plotkin, S. B. Potter, N. Rawat, T. Shahbaz, S. Dufoer, S. Dvorak, D. Messier, G. Myers, P. Nelson, R. Sabo, J. Ulowetz, T. Vanmunster   +20 more
doaj   +1 more source

Current‐Induced Domain Wall Dynamics in Pt/Co/Ni/Co Nanoribbons With Curvilinear Cross‐Sections

Advanced Materials, EarlyView.
3D curvilinear magnetic racetrack nanoribbons are formed with concave and convex cross‐sections using an advanced multi‐photon 3D printer. The curvature is shown to strongly affect current‐induced domain wall motion along the nanoribbons. In nanoribbons with cross‐sections that have both concave and convex segments, the velocities of domain walls with ...
Tiange Dong, Jitul Deka, Chi Fang, André M. A. Farinha, Yicheng Guan, See‐Hun Yang, Stuart S. P. Parkin   +6 more
wiley   +1 more source

RR Lyrae stars in the GCVS observed by the Qatar Exoplanet Survey [PDF]

, 2015
This publication was made possible by NPRP grant # X-019-1-006 from the Qatar National Research Fund (a member of Qatar Foundation). AAF is grateful to DGAPA-UNAM for grant number IN104612.We used the light curve archive of the Qatar Exoplanet Survey to ...
Bramich, Daniel Martyn, Cameron, Andrew Collier, Arellano Ferro, A., Horne, Keith Douglas, West, R. G., Alsubai, Khalid Abdulla T, Pollacco, D., Parley, Neil   +7 more
core   +1 more source

A Broadband X-Ray Investigation of Fast-spinning Intermediate Polar CTCV J2056–3014

The Astrophysical Journal
We report on XMM-Newton, NuSTAR, and NICER X-ray observations of CTCV J2056–3014, a cataclysmic variable (CV) with one of the fastest-spinning white dwarfs (WDs) at P = 29.6 s.
Ciro Salcedo, Kaya Mori, Gabriel Bridges, Charles J. Hailey, David A. H. Buckley, Raimundo Lopes de Oliveira, Gavin Ramsay, Anke van Dyk   +7 more
doaj   +1 more source

In Situ Lithium Nitridosilicate Interlayer via Reactive Anolyte Design for All‐Solid‐State Silicon Anodes

Advanced Materials, EarlyView.
Interfacial reactions in all‐solid‐state batteries are conventionally suppressed; here, they are designed. Vacancy‐rich β‐Li3N, acting as an anolyte, reacts controllably with silicon during composite anode fabrication, building a purpose‐made lithium nitridosilicate interlayer on every particle surface.
Tongtai Ji, Huanyao Ge, Luisa Gomes, Conan Weiland, Aswin kumar Anbalagan, Jochem Struppe, Jason Guo, Andrew L. Walter, Sanjeev Mukerjee, Huidong Dai   +9 more
wiley   +1 more source

Using a Zero‐Strain Reference Electrode to Distinguish Anode and Cathode Volume Changes in a Solid‐State Battery

Advanced Materials Interfaces, EarlyView.
Volume changes of a solid‐state battery cell are separated into the individual contributions of anode and cathode. Simultaneously determining the “reaction volumes” of both electrodes requires a reference electrode with a pressure‐independent potential.
Mervyn Soans, Benedikt Huber, Marcel Drüschler, Dominic Bresser, Alberto Varzi, Christoffer Karlsson   +5 more
wiley   +1 more source

HST Observations of the Cataclysmic Variable Propeller LAMOST J024048.51+195226.9

The Astrophysical Journal
We present Hubble Space Telescope (HST) far-UV spectra and light curves of the magnetic cataclysmic variable (CV) LAMOST J024048.51+195226.9 (J0240), the second known CV propeller. The five consecutive HST orbits span a full 7.34 hr binary orbital period.
Jordan Tweddale, Peter Garnavich, Colin Littlefield, Paula Szkody   +3 more
doaj   +1 more source

Thermoplastic Dielectric Coatings for Flexible Electrodynamic Dust Shields: Structural and Functional Performance

Advanced Materials Interfaces, EarlyView.
Thermoplastic attachment is introduced as a scalable surface coating strategy to improve the durability and dielectric reliability of flexible electrodynamic dust shields. By embedding chemically modified reduced graphene oxide (CMrGO) electrodes within thermoplastic laminates, mechanical degradation, abrasion damage, and vacuum‐induced electrical ...
Ide E. Onal, Emily A. Ryan, Luca Scifoni, Thomas M. Orlando, Álvaro Romero‐Calvo, Julie S. Linsey, Meisha L. Shofner   +6 more
wiley   +1 more source