Semiconductor Science and Information Devices

Abstract:

Non-orthogonal multiple access (NOMA) represents the latest addition to the array of multiple access techniques, enabling simultaneous servicing of multiple users within a singular resource block in terms of time, frequency, and code. A typical NOMA configuration comprises a base station along with proximate and distant users. The proximity users experience more favorable channel conditions in contrast to... More

Abstract:

Nowadays, radiation engineering is a promising direction in the creation of semiconductor devices. The proton irradiation is used to controllably change the optical, electrical, recombination, mechanical and structural properties of the semiconductors. Low-energy protons make it possible to purposefully change material properties near the surface where the n+ -p junction is located. In this paper,... More

Abstract:

Within the framework of the density functional theory and the pseudopotential method, the electronic structure calculations of the “metal-Si(100)” systems with Li, Be and Al as metal coverings of one to four monolayers (ML) thickness, were carried out. Calculations showed that band gaps of 1.02 eV, 0.98 eV, and 0.5 eV, respectively, appear in the... More

Abstract:

Nowadays, OLEDs have shown aesthetic potential in smart cards, sensor displays, other electronic devices, sensitive medical devices and signal monitoring etc. due to their wide range of applications like low power consumption, high contrast ratio, speed highly electroluminescent, wide viewing angle and fast response time. In this paper, a highly efficient organic LED ITO/V2O5/Alq3/TPBi/BPhen/LiF/Al with... More