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Meeting Materials Science & Technology 2020
Symposium Advances in Synthesis and Integration Methods for Enhanced Properties, and Applications in Emerging Nanomaterials
Presentation Title Ideal Graphene Schottky Junctions: The Building Block for Reconfigurable Logic and 3D Monolithic Integration
Author(s) Ji Ung Lee
On-Site Speaker (Planned) Ji Ung Lee
Abstract Scope With the end of Moore’s law, the need to reinvent the transistor is yet again upon us. Here, I will describe our efforts to develop a single device that can dynamically reconfigure into either an n- or a p-channel MOSFET, which we implement with a tunable Schottky junction. We form Schottky junctions between graphene and semiconductors, including 2D transition metal dichalcogenide (TMD) semiconductors, the material of choice for developing 3D monolithic integration. These junctions can be tuned perfectly by a gate, confirming the much sought-after Schottky-Mott limit. The tunability allows reconfigurable devices that can implement more efficient logic devices, including XNOR-Net for machine learning applications. To characterize these junctions, we use the Landauer quantum transport formalism to analyze the physics of these devices. I will conclude by briefly discussing our status in developing the 2nd transistor layer above the 1st CMOS layer using TMD materials.
Proceedings Inclusion? Undecided


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Efficient Neuromorphic Computing Enabled by Spin-Transfer Torque: Devices, Circuits and Systems
Electrochemical 2D Synapses for Neuromorphic Computing Applications
Ideal Graphene Schottky Junctions: The Building Block for Reconfigurable Logic and 3D Monolithic Integration
Impact of Processing Parameters on Metal Oxide Resistive Random Access Memory (RRAM) Performance and Implications for non-von Neumann Computing Approaches
Influence of Surface Charge on the Photochemical Reactivity of SrTiO3, BaTiO3, and TiO2/BaTiO3 Heterostructured Catalysts
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Investigating the Micro-structure and Transport Mechanisms in Graphene Copper Composites
Iontronic Devices for Energy Efficient Electronics and Neuromorphic Computing
Laser Processing of Soft Magnetic Amorphous and Nanocrystalline Alloys
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Mixed-Dimensional Hetero-structures for Advanced Logic and Memory Devices
Multi-functional Surfaces
Nanoscale Oxide Layers for Halide Perovskite Solar Cells
Polymer Additives for Stable Hybrid Perovskite Solar Cells
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