Results 91 to 100 of about 20,814 (302)

Barrier‐Assisted Plasma Doping for Spatially Selective Resistance Engineering in MoS2 Transistors

open access: yesAdvanced Materials, EarlyView.
Barrier‐assisted NH3 plasma doping enables damage‐free, spatially selective carrier modulation in monolayer MoS2 transistors. An ultrathin pV3D3/Al2O3 protective‐dielectric stack acts as a chemical filter that allows NHx radicals to reach the MoS2 surface while blocking plasma damage. This process achieves a high electron concentration of 4.3 × 1013 cm−
Inseong Lee   +15 more
wiley   +1 more source

US – Ukraine relations in space activities (commercial aspect)

open access: yesАмериканська історія і політика, 2017
The article studies the process of formation of US-Ukrainian relations in the area of outer space explore and exploitation. The regularities of relations between the US and Ukraine establishing in the situation of disintegration of the Soviet Union are ...
Liudmila Zhuravlyova
doaj  

A Family of Sodium Solid‐State Electrolytes Based on the NaGaxAl1‐xCl4 Solid Solution

open access: yesAdvanced Materials Interfaces, EarlyView.
ABSTRACT Sodium‐based metal chloride solid electrolytes are promising for sodium solid‐state batteries due to their excellent oxidation stability, which, as shown for Li halides, can coexist with high ionic conductivity. To explore cationic substitution effects, we synthesized NaGaxAl1‐xCl4 (0 ≤ x ≤ 1) via ball milling and investigated structural and ...
Hao Guo, Matteo Bianchini
wiley   +1 more source

Space commercialization: Analysis of R and D investments with long time horizons [PDF]

open access: yes, 1984
By following a single hypothetical example through a series of variations, the way different potential investors might look at the opportunity to participate in space commercialization is described.
Sheahen, T. P.
core   +1 more source

Multilayered Digital Microfluidic Chip for Cell‐Based Assays

open access: yesAdvanced Materials Interfaces, EarlyView.
A multilayered digital microfluidic (mDMF) chip architecture is introduced to improve throughput and robustness in cell‐based assays. By multilayering electrode components and dielectric layers on glass, this design significantly reduces actuation voltage, maintains reliability, and enables expansion of the operational area with minimum current leakage.
Mert Ozden   +2 more
wiley   +1 more source

More Than a Wing and a Prayer: Government Indemnification of the Commercial Space Launch Industry [PDF]

open access: yes
Using rockets to launch communications satellites and other spacecraft poses risks to the uninvolved public, including persons and property under the flight path of the launch vehicle.
Timothy J. Brennan   +2 more
core   +3 more sources

Cube satellites: A star gate for small countries [PDF]

open access: yesTehnika, 2020
Begging of commercialization of space at the raise of 21st century and brilliant idea for development of a concept of standardized class of satellites, led to extension of space club, which previously consisted exclusively of leading scientific and ...
Marčeta Dušan M., Rašuo Boško P.
doaj  

From the Discovery of the Giant Magnetocaloric Effect to the Development of High‐Power‐Density Systems

open access: yesAdvanced Materials Technologies, EarlyView.
The article overviews past and current efforts on caloric materials and systems, highlighting the contributions of Ames National Laboratory to the field. Solid‐state caloric heat pumping is an innovative method that can be implemented in a wide range of cooling and heating applications.
Agata Czernuszewicz   +5 more
wiley   +1 more source

Three‐Dimensional Printed Microarchitected Hierarchically Porous Biodegradable PLA/S/CNT Nanocomposite Electrodes for High‐Performance Lithium–Sulfur Batteries

open access: yesAdvanced Materials Technologies, EarlyView.
Hierarchically microarchitected PLA/S/CNT cathodes are fabricated via scalable fused filament 3D printing as high‐sulfur‐loading hosts for rechargeable lithium–sulfur batteries. The assembled Li–S cells with sulfur loadings up to 17 mg cm−2 deliver an areal capacity of 9.2 mAh cm−2 and retain 96% of their discharge capacity after 100 charge–discharge ...
Vinay Gupta   +4 more
wiley   +1 more source

Commercialization of space transportation : exploring the impact of the National Space Transportation Policy [PDF]

open access: yes
The 1994 National Space Transportation Policy designates the roles of the DoD, NASA and the Departments of Transportaiton and Commerce to "identify and promote innovative types of arrangements between the US government and the private sector in order to ...
Johnson, T. L.
core  

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