People


Principal Investigator

Marco Bernardi

Marco Bernardi - CV

Marco Bernardi is assistant professor of Applied Physics and Materials Science at Caltech. He received his Ph.D. in Materials Science from MIT, where he worked with Prof. Jeff Grossman on novel materials and physical processes for solar energy conversion. He was a postdoc in the Physics Department at UC Berkeley, where, working with Profs. Steve Louie and Jeff Neaton, he developed new theoretical approaches for investigating excited electrons in materials. Marco's group at Caltech develops quantum mechanical calculations aimed at understanding the dynamics of electrons in materials, with application to electronics, optoelectronics, energy, quantum technologies and ultrafast science. Marco received the NSF CAREER Award in 2018, the AFOSR Young Investigator Award in 2017, the Psi-K Volker Heine Young Investigator Award for electronic structure calculations in 2015, and the Intel Ph.D. Fellowship in 2013. His work favors quantitative analysis and accurate computational approaches to understand the physics and potential applications of novel materials, charting new directions in materials theory.

Email: bmarco at caltech.edu
Phone: (626) 395-2515
Address: Caltech, 1200 E California Blvd. MC 107-81, Pasadena CA, 91125


Postdocs

Luis Agapito

Jin-Jian Zhou

Jin-Jian holds a B.S. in Computer Science from Wuhan University in China. He obtained his Ph.D. in Condensed Matter Physics from Institute of Physics, Chinese Academy of Sciences (IOP, CAS) in 2015. He worked at Beijing Institute of Technology (China) for several months, and then joined our group as a postdoctoral scholar in November 2015. His current research interests include the development of computational methods for the study of hot carrier relaxation and ab initio study of carrier dynamics in oxides with applications to photovoltaic and photocatalysis.

Email: jjzhou at caltech.edu

Shiyuan Gao

Shiyuan Gao

Shiyuan holds a B.S. in Physics from Peking University. He obtained his Ph.D. in Physics from Washington University in St. Louis in 2018, where he worked with Prof. Li Yang on excited state properties of low-dimensional materials. He joined our group in January 2019. His current research focuses on development and application of ab initio computational methods to advance our understanding of solid state defects related to quantum information applications.

Email: sgao42 at caltech.edu

Ivan Maliyov

Ivan Maliyov

Ivan received a BSc in Applied Physics from V. N. Karazin Kharkiv National University in Ukraine. He obtained his MSc degree in Nanosciences from École Polytechnique and Univérsité Paris-Saclay in France. With a double-diploma program, he has also received a MSc in Medical Physics from V. N. Karazin Kharkiv National University, Ukraine. He obtained his Ph.D. in Condensed Matter Physics from Univérsité Paris-Saclay, France in 2019 and joined our group in December 2019. His current research interests are on electron transport and dynamics in the presence of external fields, magnetotransport in complex materials, and time-dependent density functional theory.

Email: imaliyov at caltech.edu


Students

I-Te (Louis) Lu

I-Te (Louis) Lu

I-Te holds a BS in Materials Science from National Chiao Tung University (NCTU) in Taiwan. Fascinated by light-matter interaction and photonic materials, I-Te joined the Graduate Program for Science and Technology of Accelerator Light Source in NCTU (and NSRRC), where he obtained a MS degree in 2013. Before joining Caltech, he carried out research on fuel cell catalysts with Prof. Pu-Wei Wu, and served in the army in Taiwan. He started the graduate program in Materials Science at Caltech in 2014. His research interests include defects in materials, ultrafast phenomena, energy transfer, and density functional theory.

Email: ilu at caltech.edu

Nien-En Lee

Nien-En Lee

Nien-En received both his BSE degree in Electrical Engineering and MS degree in Physics at National Taiwan University. His Master's thesis research was on novel parity-violating hydrodynamic transport coefficients in 2+1 dimensions from holographic principle. Besides, he is also very interested in understanding the phenomena in condensed matter system from first principle calculation. Nien-En entered the physics department at Caltech in 2014. His current research interests are on the electron-phonon couplings and the polaronic effect on the carriers mobility.

Email: nlee at caltech.edu

Xiao Tong

Xiao Tong

Xiao obtained a BSc in Physics at South University of Science and Technology of China (SUSTC). Her undergraduate research focused on transport properties of thermoelectric materials. She joined the Caltech Materials Science graduate program in 2015 and entered our group in 2017. She has broad interests in ab initio studies of electron and excited state dynamics, and condensed matter physics in general.

Email: xtong at caltech.edu

Hsiao-Yi Chen

Hsiao-Yi Chen

Hsiao-Yi received his BS degree in Physics from National Taiwan University. His undergraduate research focused on Supersymmetry Gauge Theory, which concerns the relations among SUSY thoeries in different dimensions. He also has a few years of experience in condensed matter theory research, especially on string-net description of topological nontrivial phases and Symmetry Protected Topological (SPT) phases. Hsiao-Yi is a Caltech-Taiwan Ministry of Education Scholarship recipient and entered the Physics department at Caltech in 2014. His current research interests include excitons, trions, and their physical properties and dynamics within the first-principles approach.

Email: hchen3 at caltech.edu

Jinsoo Park

Jin-Soo Park

Jin-Soo received his BS degree in Electrical Engineering with a double major in Physics from Seoul National University. His undergraduate research focused on band gap engineering of BN-doped graphene using first-principles methods. His research also explored light-matter interactions in metallic nanostructures using time-dependent density functional perturbation theory. Jin-Soo entered the graduate program in Caltech Applied Physics in 2016 and joined our group in 2017. His current research interests include electron-phonon couplings in materials with spin-orbit interactions.

Email: jpark7 at caltech.edu

Benjamin K. Chang

Benjamin K. Chang

Benjamin received his B.S. in Interdisciplinary Sciences from National Tsing Hua University. Later, he obtained his M.S. in Physics from National Taiwan University under the supervision of Prof. Mei-Yin Chou. His master's thesis was focused on first-principles studies of high-performance thermoelectric materials. Before joining Caltech, he spent one year as a research assistant at the Institute of Atomic and Molecular Sciences at Academia Sinica where he continued his master's study. He then joined Caltech as a graduate student in Applied Physics in 2018. His current research interests are in the development and application of computational methods for electron-phonon coupling.

Email: bkchang at caltech.edu

Dhruv Desai

Dhruv Desai

Dhruv received his BS in Engineering Physics from University of Illinois at Urbana-Champaign in 2019. His undergraduate research was focused on image reconstruction of high density materials using Muon tomography. He also interned at Fermilab for a summer, working on computational studies of beam diffusion measurements using beam echoes. Dhruv joined the Caltech Applied Physics program in 2019, and his current research involves first principles calculation of magneto-transport phenomena in semiconductors and topological semimetals.

Email: ddesai at caltech.ed


Former Group Members


Postdocs

Luis Agapito (2015-2018): Synopsis, Inc

Raffaello Bianco (2018-2019): Postdoc, University of the Basque Country


Graduate Student

Vatsal Jhalani (2014-2019): Postdoc, NASA Jet Propulsion Laboratory (JPL)


Undergraduate

Kyle Frohna (2016): Graduate Student, Cambridge