Results 41 to 50 of about 104,797 (298)

Cathodic Cage Plasma Deposition of Nanostructured Cu–Fe–Se Coatings on Poly(methyl Methacrylate)

Advanced Engineering Materials, EarlyView.
Nanostructured Cu–Fe–Se coatings are deposited on PMMA by a modified cathodic cage plasma process, enabling low‐temperature deposition on polymer substrates. A transition from discontinuous to compact morphology is observed with temperature, with optimal properties at 200°C, where improved CuFeSe2‐type bonding, lowest sheet resistance, and favorable ...
V. S. S. Sobrinho, M. Naeem, T. H. C. Costa, M. S. Libório, J. C. A. Queiroz, C. B. B. Luna, R. R. M. Sousa, P. S. Vieira, E. M. Araújo   +8 more
wiley   +1 more source

Ideal Molecular Sieving with a Dense MOF for Helium Upgrading with Highly Diffusion Selective Mixed Matrix Membranes

Advanced Functional Materials, EarlyView.
The separation of Helium gas from natural gas is challenging but highly important. MIL‐116(Ga), a “non‐porous” metal–organic framework is used as a molecular sieve to separate He from CH4. Druse‐like MIL‐116(Ga) particles are integrated into polysulfone mixed matrix membranes.
Ayisha Komal, Laura Calderón‐Rodríguez, Oksana Smirnova, Eren Grossmann, Aparna Binu Varghese, Karen Marlenne Garcia Alvarez, Andreas Schneemann, Thomas Hoyer, Ralf Wyrwa, Felix Helmut Schacher, Alexander Knebel   +10 more
wiley   +1 more source

Improving Porosity Calculation Methods and Proposing a New Model Universally Applicable to Large- and Medium-sized Planetary Objects

The Astrophysical Journal
Our work was aimed at the improvement of two main already existing methods of porosity calculation on a planetary scale in order to expand these methods to be applicable to exoplanetary interiors. In addition to implementing some improvements in the used
Imre Kisvárdai, Ákos Kereszturi
doaj   +1 more source

FUSE Observations of Nebular O VI Emission from NGC 6543

, 2004
NGC 6543 is one of the few planetary nebulae (PNe) whose X-ray emission has been shown to be extended and originate from hot interior gas. Using FUSE observations we have now detected nebular O VI emission from NGC 6543.
Garcia-Segura G., Iping R. C., Martín A. Guerrero, Miranda L. F., Robert A. Gruendl, You-Hua Chu, Zhekov S. A., Zhekov S. A., Zweigle J.   +8 more
core   +1 more source

Near-infrared transit photometry of the exoplanet HD 149026b [PDF]

, 2008
The transiting exoplanet HD 149026b is an important case for theories of planet formation and planetary structure, because the planet's relatively small size has been interpreted as evidence for a highly metal-enriched composition.
Amendola, Broeg, Brown, Burke, Burrows, Carter, Charbonneau, Charbonneau, Claret, Demarque, Ford, Fortney, Fortney, Gilliland, Holman, Hubbard, Ikoma, Johns-Krull, Joshua A. Carter, Joshua N. Winn, Levenberg, Lourakis, Madhusudhan, Mandel, Masana, Matthew J. Holman, Nutzman, Ronald Gilliland, Sato, Seager, Seager, Sozzetti, Torres, Winn, Winn, Winn, Yi   +36 more
core   +1 more source

3D‐Printed Sulfur‐Derived Polymers With Controlled Architectures for Lithium‐Sulfur Batteries

Advanced Functional Materials, EarlyView.
Rheology‐guided formulation design for direct ink writing enables the fabrication of 3D sulfur copolymer cathodes with controlled architectures for lithium‐sulfur batteries. The printed electrodes exhibit multiscale porosity and high sulfur utilization, delivering enhanced electrochemical performance compared to conventional cast electrodes.
Bin Ling, Haoran Wang, Pan Yang, Rishav Agrawal, Alex R. Neale, Laurence J. Hardwick, Tom Hasell, Esther García‐Tuñón   +7 more
wiley   +1 more source

Primitive Crust Buried Below the Southern Highland of Mars

The Astrophysical Journal
Geochemical studies of shergottites have predicted an enriched end member associated with the final residual liquid of the Martian magma ocean, which may result in the formation of a KREEP-like silica-rich primitive crust on early Mars.
Shuoran Yu, Nan Zhang, Mingjie Zhang, Long Xiao   +3 more
doaj   +1 more source

An Ancient Martian Dynamo Driven by Hemispheric Heating: Effect of Thermal Boundary Conditions

The Planetary Science Journal, 2023
Magnetic field observations from the MGS, MAVEN, and InSight missions reveal that a dynamo was active in Mars’s early history. One unique feature of Mars’s magnetic crustal field is its hemispheric dichotomy, where magnetic fields in the southern ...
Chi Yan, Ankit Barik, Sabine Stanley, Jason S.-Y. Leung, Anna Mittelholz, Catherine L. Johnson, Ana-Catalina Plesa, Attilio Rivoldini   +7 more
doaj   +1 more source

Magnetic Scaling Laws for the Atmospheres of Hot Giant Exoplanets

, 2011
We present scaling laws for advection, radiation, magnetic drag and ohmic dissipation in the atmospheres of hot giant exoplanets. In the limit of weak thermal ionization, ohmic dissipation increases with the planetary equilibrium temperature (T_eq ...
Agol, Baraffe, Batygin, Batygin, Burrows, Burrows, Charbonneau, Cowan, Crossfield, Dobbs-Dixon, Fortney, Goody, Hansen, Knutson, Knutson, Kristen Menou, Laughlin, Lewis, Liu, Miller, Miller, Perna, Perna, Rauscher, Rauscher, Showman, Showman, Showman, Showman, Winn   +29 more
core   +1 more source

The location of diapycnal mixing and the meridional overturning circulation [PDF]

, 2002
The large-scale consequences of diapycnal mixing location are explored using an idealized threedimensional model of buoyancy-forced flow in a single hemisphere. Diapycnal mixing is most effective in supporting a strong meridional overturning circulation (
Marotzke, Jochem, Scott, Jeffery R.
core   +1 more source