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March 2021

MSE Seminar: “Controlling ferroelectricity at the nanoscale: from oxide heterostructures to freestanding crystalline membranes”

March 9 at 10:45 AM - 11:45 AM

Complex oxides are fascinating material systems exhibiting a diverse set of electrical, magnetic, and thermal properties. In particular, ferroelectric oxides with an electrically switchable polarization and large dielectric and piezoelectric responses are considered as critical components for next-generation low-power logic devices, non-volatile memories, and nanoscale sensors and actuators, etc. Recent advances in thin-film synthesis techniques including the synthesis of oxide heterostructures and crystalline membranes have provided opportunities for realizing novel functionality in ferroelectrics. In this talk, I will show the…

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MSE Seminar: “Tailoring materials properties by ultrafast laser driving of collective modes”

March 11 at 10:45 AM - 11:45 AM
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MSE Seminar: “When ions meet electrons — Modeling the interfaces in Solid-State Batteries”

March 18 at 10:45 AM - 11:45 AM

With the rapid development of fast Li-ion conductors, the major bottleneck for all-solid-state Li-ion batteries lies at the high interfacial resistance and Li dendrite growth. These problems require a fundamental understanding of the interfaces, where charge transfer reactions occur and electrochemistry, physics, and solid mechanics are coupled. This talk will focus on the new mechanistic understanding obtained by the recently developed multi-scale modeling approaches. One challenge for solid-state batteries is the high interfacial resistance, due to two main factors: physical…

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MSE Seminar: “Future Directions in Self-Assembly for Nanopatterning”

March 25 at 10:45 AM - 11:45 AM

Macromolecular self-assembly has evolved to become an important and valuable tool for bottom-up patterning and fabrication at the nanometer scale. From block copolymer lithography to nanocrystal superlattices to biomolecular assemblies, bottom-up patterning is reaching an unprecedent level of control over complex patterns at the nanoscale with an increasing degree of precision. There is no question that the lithographic landscape has been transformed in the past few years with the introduction of extreme ultraviolet (EUV) lithography and the maturity of multiple…

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