News

  • New preprint on epi growth of chalcogenide perovskite alloys

    Our latest preprint on epitaxial growth of chalcogenide perovskits by gas-source MBE is now available on the arXiv. Thank you to all who contributed!

  • Welcome Jessica and Tao!

    Welcome new graduate students Jessica Dong and Tao Cai to the group! We are excited to start working with you.

  • Farewell Wouter

    We’re sorry to say farewell to Dr. Wouter Mortelmans. We wish you the very best in your exciting new position! 

  • Paper “Roadmap on Chalcogenide Photonics” now available

    New paper “Roadmap on Chalcogenide Photonics”, published in J. Phys. Photonics and with contributions by Yifei Li and Seong Soon Jo is now available online. Congrats Yifei and Seong Soon.

  • New paper on giant photoelasticity – congrats Jiahao, Yifei, et al.

    New paper on giant photoelasticity in wide band gap compound semiconductors appears today in PRL. Congrats to Jiahao, Yifei, and the rest of the team!

  • Congratulations Dr Li!!!

    Congratulations Dr. Yifei Li on a successful PhD defense! It has been a pleasure having you in the group, and we will miss you when you move on to your…

  • Wouter’s SnSe synthesis result featured

    News article from Penn State highlighting our recent advances in SnSe epitaxial film synthesis & characterization. Congrats, again, to Wouter and collaborators!

  • New paper on TRPL studies of chalcogenide perovskites

    Congrats Kevin and thanks to our terrific collaboration team on our newest paper, reporting time-resolved photoluminescence studies of complex chalcogenide semiconductors BaZrS3 and Ba3Zr2S7.

  • Rump session at NAMBE 2022

    We’re helping to organize a rump session at NAMBE 2022 – on the always-relevant topic of improving MBE equipment reliability. Dr. Ida Sadeghi and Dr. Wouter Mortelmans will moderate the…

  • Congrats Wouter on SnSe epi growth paper!

    Congratulations to Wouter et al. on this new publication reporting SnSe epitaxial growth by MBE, including multiple growth methods/reactors, and a fun new way to measure and control twins. Onward!