Electric thrusters are finding increasing usage worldwide in spacecraft applications.
Significant progress has been made in recent years in the modeling and performance of …

In recent years, small‐size, low‐weight aerospace propulsion systems have developed
rapidly for space exploration, on‐orbit scientific instruments and extra space missions, while …

As an alternative to thermionic X‐ray generators, cold‐cathode X‐ray tubes are being
developed for portable and multichannel tomography. Field emission propagating from …

Theoretical analysis of field electron emission must consider many parameters, one of the
most critical being the field enhancement factor (FEF). In a single tip form, the FEF can vary …

Nanostructured multitip surfaces have sufficient potential to obtain the high emission
currents necessary to develop stable and noninertial sources of free electrons with …

Improving the thruster efficiency is a crucial challenge for the development of space electric
propulsion systems, especially advanced air-breathing thrusters utilizing the surrounding …

Abstract Graphene-oxide-semiconductor (GOS) planar-type electron sources—which consist
of a graphene electrode layer, a thin SiO 2 insulator, and a Si substrate—can be driven by …

Micron‐sized Sb2Te3 nanosheets are grown on p‐type Si substrate by facile vapor‐phase
route. Physicochemical properties of the Sb2Te3 nanosheets are revealed using X‐ray …

The increasing capabilities of the CubeSat platform have led to growing interest in
performing more complex commercial and science missions with these miniature spacecraft …

Aliena is a Singapore-based startup aiming to improve space access in developing
countries by enhancing the capabilities of small satellites with purposely designed …