About this Abstract |
Meeting |
2023 TMS Annual Meeting & Exhibition
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Symposium
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2D Materials: Preparation, Properties, Modeling & Applications
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Presentation Title |
Parameter Space of Ferroelectrics and Metals Interfacing with Two-dimensional Materials for Neuromorphic Device Applications |
Author(s) |
Wendy L. Sarney, M. G. Sales, A. Mazzoni, P.J. Taylor, J. Pearson, S. McDonnell, Sina Najmaei |
On-Site Speaker (Planned) |
Wendy L. Sarney |
Abstract Scope |
Two-dimensional transition metal dichalcogenides (2D-TMDs), including MoS2 and WSe2 are attractive neuromorphic materials with advantageous properties including their atomic-level thinness and tunable electronic properties. These assets enhance their behavior as synaptic emulators and allow for relatively low energy consumption.
2D materials are used with ferroelectrics and with metal contacts in device structures. HfO2 compounds, sometimes including Zr, have extreme thickness scaling, CMOS compatibility, and desirable electric and ferroelectric properties. Thermal processing forms polymorphic materials with amorphous, cubic, tetragonal, rhombohedral, monoclinic, and orthorhombic phases. A key challenge remaining is to make low resistance ohmic contacts to 2D-TMDs layers. We discuss the materials property parameter space for the contact and ferroelectric layers that interface with 2D-TMDs in neuromorphic device structures. |
Proceedings Inclusion? |
Planned: |