This chapter investigates the rapidly advancing fields of nanoelectronics and
quantum computing, two domains at the forefront of modern technology.
Nanoelectronics, a subfield of nanotechnology, involves manipulating materials at the
nanoscale to create electronic components with enhanced performance, efficiency, and
functionality. The chapter begins by defining nanoelectronics, tracing its historical
development, and highlighting its significance in various industries, from consumer
electronics to telecommunications. It then explores the fundamental principles of
nanoelectronics, focusing on nanoscale effects, electronic transport, and the unique
properties of nanomaterials. Moving beyond the basics, the chapter discusses the latest
developments in nanoelectronic devices, including nanoscale transistors like FinFETs
and Tunnel FETs, as well as emerging technologies like single-electron transistors and
spintronics devices. The integration of quantum dots, which offer remarkable quantum
confinement effects, is examined in the context of nanoelectronics, along with their
fabrication techniques and applications. The chapter also introduces the fundamentals
of quantum computing, explaining the concept of qubits, superposition, and quantum
entanglement, which enable quantum computers to solve complex problems that are
intractable for classical computers. The potential advantages and challenges of both
nanoelectronics and quantum computing are explored, including manufacturing
difficulties, heat dissipation issues, and ethical considerations. Finally, the chapter
looks to the future, discussing emerging trends in nanoelectronics, the trajectory of
quantum computing, and the broader implications for industry and society. Together,
these advancements promise to revolutionize technology and bring transformative
changes to a wide range of fields.
Keywords: Electronic transport, Nanoelectronics, Nanoscale transistors, Quantum dots, Quantum computing, Quantum entanglement, Size-dependent properties.
