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Semiconductor nanodevices: From basic physics to quantum information

Date: Monday, September 28, 2020 16:00 - 17:00
Speaker: Giorgos Katsaros (IST Austria)
Location: Raiffeisen Lecture Hall
Series: 4th year colloquium
Host: Mikhail Lemeshko
Contact: Arinya Eller
Central building lecture hall

It is impossible to picture modern life without thinking of the vast amount of microelectronic applications that surround us. However, such development has only been made possible with the invention of the transistor in the 50’s. This, back at that time few centimeters large device, product of mere scientific curiosity, led to a technological revolution. What followed was an amazing success story of more and more powerful electronic devices. This evolution driven by basic research and the semiconductor industry was only possible due to a continuous improvement in the quality of semiconductor materials. This allowed shrinking the size of the transistors to less than 14 nm. At such length scales quantum physics comes into play and while this poses a limitation for the classical semiconductor computer, for fundamental physics it represents an amazing challenge. Today, more than hundred years after its mathematical formulation, quantum mechanics may drive a new revolution. In fact, it is widely believed that next-generation electronic devices will exploit the ideas of quantum mechanics as opposed to the classical operating principles of current complementary metal-oxide-semiconductor electronics. How future quantum devices will look like is however hard to predict. In this talk I will present the results of my group in the field of semiconductor devices, covering aspects ranging from basic physics to quantum bits.

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