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(Invited) Challenges to Nano-Scale Device World
Therefore many breakthroughs, disruptive technologies, novel materials, and innovative devices are needed in the next two decades.
With respect to the substantial reduction of the static and dynamic power of future high performance/ultra low power terascale integration and autonomous nanosystems, new materials and novel device architectures are mandatory for ultimate CMOS and beyond-CMOS eras, as well as new circuit design techniques, architectures and embedded softwares.
Alternative memories, especially PCRAM, RRAM or MRAM will be useful for pushing the limit of integration and performance beyond to those afforded by present Non-Volatile, DRAM and SRAM memories.
In the interconnect area, optical and RF interconnects, carbon or other 2D materials can overcome the present limitations of copper interconnects.
Concerning ultimate processing technologies, EUV lithography, immersion multiple patterning, multi ebeam maskless or imprint lithography, as well as self-assembly of nanodevices could be used for different applications.
Future autonomous nanosystems will also need the development of nanoscale high performance novel functionalities, which could be integrated on CMOS platforms. In this respect, nanostructures and nanodevices, especially nanowires, are of great interest for instance for improving the sensitivity, resolution, selectivity, energy consumption and response time of nanosensors, and for solar, mechanical and thermal energy harvesting.
Parallel or sequential processes could be used for the integration of these future high performance sustainable, secure, ubiquitous and pervasive systems, which will be of high added value for many applications in the field of detection and communication of health problems, environment quality and security, secure transport, building and industrial monitoring, entertainment, education, etc.
The talk will focus on the main trends, challenges, limits and possible solutions for future high performance and ultralow power nanoscale devices in the CMOS and Beyond CMOS arena, including ultra-thin films, multi-gates, nanowires and small slope switches.
References
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2. F. Balestra, Beyond CMOS Nanodevices (Vol. 1 and 2), Francis Balestra Ed., ISTE-Wiley, 2014
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Acknowledgements:
The author would like to thank the Sinano Institute Members and Partners of Nanosil and Nanofunction FP7 European Networks of Excellence.