Nanoscale devices for emerging technologies
Dr. K. L. Ganapathi (IIT Madras)
Friday, 27 Aug 2021, 3 pm to 4 pm
Abstract: Understanding the physics of nanoscale devices and related material properties are essential requirements to sustain the existing technologies and also to develop next-generation technologies. In recent times, low power devices have become the need of the hour. However, fundamental physical limits are among the major roadblocks towards realizing energy-efficient devices. In this talk, I will discuss one of the fundamental physical limits in silicon transistors, termed Boltzmann Tyranny, which needs to be overcome to achieve low power devices. I will discuss the details of the problem and various approaches to solve it through an understanding of the device physics and also by integrating new materials using advanced nanofabrication techniques. Further, I will discuss the development of ferroelectric non-volatile memory using 2D semiconductors. I will also briefly discuss some of the research work done on optoelectronic devices including UV and broadband photodetectors as well as random lasers. Finally, I will discuss key requisites of nanofabrication and of device physics which are crucial for the successful development of quantum devices and related technologies.