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Postdoctoral Scholars

Dr. Zhuoyu Chen

I joined the Shen group in April 2018 as a postdoctoral researcher. I obtained my B.S. in Mathematics and Physics from Tsinghua University, Beijing, China in 2012. I received my Ph.D. in Applied Physics from Stanford University, California, USA in April 2018. For my doctoral thesis, I studied the dual-gate controlled two-dimensional ground states of a superconducting oxide interface, using pulsed laser deposition for sample synthesis and dilution refrigerator for low-temperature transport measurements. My current interest is to study superconductivity and correlated electrons combining oxide/chalcogenide molecular beam epitaxy, scanning probe microscopy, and angle-resolved photoemission spectroscopy.
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Dr. Nicolas Gauthier

In March 2018, I joined the Shen group as a postdoctoral scholar supported by a fellowship from the Swiss National Science Foundation. I obtained my B.Sc. and M.Sc. degrees in physics from Université de Montréal in Canada. In October 2017, I completed my Ph.D. at the Paul Scherrer Institut (PSI) and ETH Zürich in Switzerland where I studied frustrated magnets, heavy fermions and multiferroics with neutron and X-ray scattering. Through these investigations, I became very interested in the physics of magnetic and electric multipoles in f-electron materials, and more generally in the interplay between the magnetic and electric degrees of freedom. Here, I am getting new insights of the properties of quantum materials by looking into the time domain. Specifically, my work focuses on time- and angle-resolved photoemission spectroscopy (trARPES) in heavy fermions and other strongly correlated materials such as the manganites.
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Dr. Heike Pfau

My research focuses on materials with strong electronic correlations. These materials develop novel phenomena and unconventional electronic phases such as heavy fermion behavior, unconventional superconductivity, nematicity, and quantum criticality. I want to advance the knowledge of such emergent collective phenomena using angle-resolved photoemission spectroscopy (ARPES) as well as low temperature transport and thermodynamic probes. My main focus lies on correlated materials containing f- and d-electron elements such as heavy fermion systems and iron-based superconductors.
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Dr. Matteo Rossi

I obtained my B.Sc. and M.Sc. in Engineering Physics at the Politecnico di Milano (Italy) in 2012 and 2014, respectively. I accomplished the Ph.D. at the European Synchrotron Radiation Facility (ESRF, France) and the Université Grenoble Alpes (France) in December 2017. During the Ph.D., I employed the resonant inelastic x-ray scattering (RIXS) technique to study the electronic and magnetic properties of iridium-based spin-orbit induced correlated electron systems. Between 2017 and 2019, I was a postdoctoral researcher at the Politecnico di Milano, where I investigated the lattice excitations of cuprates and their coupling to electrons by means of high-resolution RIXS. I joined the Shen group in July 2019 as a postdoctoral researcher. My current research topic focuses on the structural, magnetic and electronic dynamics of strongly correlated electron systems, such as manganites and cuprates. To study the low-energy excitations of these materials, I use a set of synchrotron- and x-ray free electron laser-based spectroscopic techniques.
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Dr. Shoya Sakamoto

I joined Shen group as a postdoctoral researcher in April 2018 supported by a fellowship from the Japan Society For the Promotion of Science (JSPS). I received my B.S. and Ph.D. in Physics from the University of Tokyo. In my Ph.D. work, I studied the electronic structures and magnetic properties of spintronics materials such as ferromagnetic semiconductors using (angle-resolved) photoemission spectroscopy, x-ray magnetic circular dichroism, and first-principles calculations. Here, I am involved in the development of a novel spin-resolved ARPES system and excited to see the exotic spin-related phenomena in quantum materials.
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Dr. Jinpeng Wu

I joined Shen Group as a postdoctoral research fellow in Feb. 2016. I received B.Sc and Ph.D of Electrical Engineering from Tsinghua University in Jul. 2010 and Jul. 2015, respectively. Besides, I got B.Sc of Economics as a double degree from Peking University in Jul. 2012. Currently, I am based at Advanced Light Source of Lawrence Berkeley National Laboratory, using soft X-ray spectroscopy (XAS, XES and RiXS) to analyze the fundamental mechanism of energy storage materials (especially for large-scale, or grid scale application). My other research interests include transient performance of power transmission system, electromagnetic compatibility, novel techniques for DC power transmission system, etc. I was elected as the 24th President of Graduates Union, Tsinghua University from Dec. 2013 to Dec. 2014; in 2015, I became the Young Leadership Fellow of Committee of 100, US.

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Dr. Yong Zhong

I joined Shen group in August 2019 as a postdoctoral researcher. I obtained my B.S. degree in Mathematics and Physics from Nanjing University in 2012. I received my Ph.D. degree in Physics from Tsinghua University in 2019. In my Ph.D. work, I studied the electronic structures of cuprates using molecular beam epitaxy and scanning tunneling microscopy. My current research focuses on the emergent properties of transitional metal dichalcogenides using synchrotron-based spectroscopic methods.

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