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Prof. Jianting Ye: Field-Effect Control of Clean Superconductivity and Unconventional FFLO States in 2D Materials (2023/08/03)

( 2023-07-31 )
Title

Field-Effect Control of Clean Superconductivity and Unconventional FFLO States in 2D Materials

Speaker


Prof. Jianting Ye

University of Groningen, The Netherlands


Time

4:00pm, August 3, 2023

Place

Material Science and Research Building B902

Brief Bio of the Speaker

Prof. Jianting Ye is an experimental physicist working in the field of electronic devices on nano materials. Born in Ningbo, China, he graduated from Zhejiang University after completing his undergraduate studies and obtained his PhD from the Hong Kong University of Science and Technology (HKUST) in 2006.

Following this, he conducted postdoctoral research at both HKUST and Tohoku University. In 2008, Jianting Ye became an assistant professor at Tohoku University, where he began his work on electronic devices using nano materials such as carbon nanotubes, graphene, and other layered materials. He continued his academic career as an assistant professor and later as a lecturer at the University of Tokyo in 2010.

In 2013, Jianting Ye spent a short time as a senior research scientist at RIKEN before joining the University of Groningen as an associate professor and chair of Device Physics of Complex Materials at the Zernike Institute of Advanced Materials. He has been a full professor since 2022.

Abstract

Many recent discoveries of electronic states have been made in 2D materials, particularly through the creation of artificial heterostructures. New electronic states, such as unconventional superconductivity and orbital ferromagnetism, have been reported recently and extensively studied afterwards. My group has been focused on investigating quantum phase transitions and Ising superconductivity induced in layered semiconducting transition metal dichalcogenides (TMDs), such as MoS2 and WS2. By utilizing ionic gating, we can electrostatically induce quantum phases, including superconductivity, in these 2D TMD materials. In this presentation, we will discuss two recent advancements: 1) Improving the mobility of ion-gated carriers to access the clean regime of Ising superconductivity. 2) Exploring how to couple two Ising superconducting states through Josephson coupling to control the strength of Ising superconductivity and form FFLO states.




Seminar
 
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Links
 
CopyRight@International Center for Quantum Eesign of Functional Materials
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