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We review our recent studies concerning the heterogeneous integration of nanomaterials for low-power electronics and energy harvesting applications. Through careful transport studies of two-dimensional (2D) devices based on graphene and MoS2, we have uncovered details regarding their physical properties and band structure. We have investigated thermoelectric effects in graphene transistors and phase-change memory (PCM) elements for low-power electronics. We found that low-power transistors and memory could be enhanced by built-in thermoelectric effects which are particularly pronounced at nanometer length scales. We have also examined energy harvesting using composites based on one-dimensional (1D) carbon nanotubes, and uncovered both the lower (diffusive) and upper (ballistic) limits of heat flow in 1D and 2D nanomaterials. Our results suggest fundamental limits and new applications that could be achieved through the co-design and heterogeneous integration of 1D and 2D nanomaterials.
Eric Pop joined the Electrical Engineering (EE) faculty at Stanford in 2013, where he leads the SystemX Heterogeneous Integration theme. He was previously with the University of Illinois Urbana-Champaign (UIUC), first as an Assistant then as an Associate Professor of Electrical & Computer Engineering (2007-13). His research interests lie at the intersection of nanoelectronics and nanoscale energy conversion systems. He received his Ph.D. in EE from Stanford (2005), the M.Eng./B.S. in EE and B.S. in Physics from MIT. His honors include the Presidential Early Career (PECASE) Award through ARO, and Young Investigator Awards from the ONR, NSF, AFOSR and DARPA (2008-2010). He is an IEEE Senior member, a member of APS and MRS, the General Chair of the 2015 IEEE Device Research Conference (DRC). More information about the Pop Lab can be found online at http://poplab.stanford.edu
Questions about this series? Please contact:
- Dr. Richard Dasher, SystemX Executive Director, 650-725-3621
- or Ms. Miho Nishi, SystemX Administrative Associate, 650-725-3626
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