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Meeting	MS&T22: Materials Science & Technology
Symposium	Advances in Emerging Electronic Nanomaterials: Synthesis, Enhanced Properties, Integration, and Applications
Presentation Title	Synthesis, Nanofabrication and Characterization of 2D Magnetic Semiconductors for Magnetic Tunnel Junctions
Author(s)	Eui-Hyeok Yang
On-Site Speaker (Planned)	Eui-Hyeok Yang
Abstract Scope	This abstract presents the chemical vapor deposition-growth, doping, and magnetism of two-dimensional (2D) transition metal dichalcogenides (TMDs). 2D atomic crystals exhibiting magnetic properties provide an ideal platform for exploring new physical phenomena in the 2D limit, representing a substantial shift in the ability to control and investigate nanoscale phases. Our work demonstrates a 2D dilute magnetic semiconductor at room temperature via an in situ synthesis and characterization of Fe-doped TMD monolayers. We simultaneously achieve the substitutional doping of Fe and the growth of MoS2 and WS2 monolayers and show that Fe incorporates substitutionally into Mo and W lattice sites and probes ferromagnetism in Fe:MoS2 at room temperature. This new class of van der Waals ferromagnets finds critical applications, including magnetic tunnel junction devices.

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Applications of Electron Spectro-microscopy to Investigations of Chemistry and Electronic Structure of 2D Materials

Area Selective Atomic Layer Deposition of Silicon Oxide Using an Oxygen Plasma or Ozone with Copper as the Nongrowth Surface

Area Selective Deposition of TaN for Back End of the Line Applications

Correlative Analyses of Low-dimensional Materials

First-Principles Studies of Atomic Layer Deposition

From Atomic-scale Characterization to Atomic-scale Control of Thin Film Deposition Processes

H-1: A Molecular Dynamics Study of Additive Nanomanufacturing: Revealing Sintering Mechanisms

H-2: Optical Engineering of Pbs Colloidal Quantum Dot Solar Cells Via Fabry-Perot Resonance and Distributed Bragg Reflectors

H-4: Study on Nanostructured Molybdenum Carbide for Hydrogen Evolution Reaction

H-5: Toward Scalable Fabrication of Stable Metal Halide Perovskite Solar Cells Through Inkjet Printing and Antisolvent Bathing

How to Achieve State-of-the-art Heterostructures from Polymer-contaminated Graphene?

Hybrid Liquid Metal Nanostructures for Electronics and Energy Applications

Ions in PEALD Processes: from Material Modification to Selective Deposition

Meta-Stable Phase Ferroelectric HfZrO2 Films

Microelectronics Application of Vapor-phase infiltration – Atomic Layer Deposition Derived Organic-Inorganic Hybridization Technique

Molecular Modeling of Atomic Layer Etching

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Nanomolding of Topological Nanowires

Near-Band-Edge Enhancement in Perovskite Solar Cells via Tunable Surface Plasmons

Novel Dirac-source Cold Carrier Injection for Energy-efficient 2D Nanoelectronics

Raman Spectroscopy Studies of Magneto-optical Effects in CrI₃

Resolving the Evolution of Atomic Layer Deposited Thin Film Growth by Continuous In Situ X-ray Absorption Spectroscopy

Solution Processible Carbon Precursors for 2D Amorphous Carbon Dielectric

Stable Perovskite Solar Cells

Synthesis and Integration of Transition Metal Dichalcogenides

Synthesis of Atomically Precise Graphene Nanoribbons with Tunable Electronic Properties

Synthesis, Nanofabrication and Characterization of 2D Magnetic Semiconductors for Magnetic Tunnel Junctions

Two Dimensional Materials for Neuromorphic Computing

Unique Molecular Approach to 2D Tin Chalcogenide Materials by Single-Source Precursor Design

Wafer-scale Heterogeneous Integration of Atomically Thin Electronic Materials on Arbitrary Substrates toward Mechanically Reconfigurable Devices

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