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NM01.17.13 2022 MRS Spring Meeting

Surface Alloy as a New Substrate for Transition Metal Dichalcogenide Growth by Chemical Vapor Deposition

When and Where

May 11, 2022
5:00pm - 7:00pm

Hawai'i Convention Center, Level 1, Kamehameha Exhibit Hall 2 & 3

Presenter

Co-Author(s)

Intek Song1

Andong National University1

Abstract

Intek Song1

Andong National University1
Surface alloy is a surface-confined mixture of different metals that are not miscible in bulk phase. Since it is a new type of alloy formed at the surface, it offers a new way to promote surface-confined reactions in catalysis and synthesis. This presentation covers the synthesis of two-dimensional MoS<sub>2</sub> using surface alloy as a virtual substrate by chemical vapor deposition (CVD). The role of surface alloy during the synthesis is confirmed by comparing the reaction mechanism with metal-organic chemical vapor deposition (MOCVD). X-ray photoelectron spectroscopy (XPS) and high-resolution transmission electron microscopy (HRTEM) studies revealed the presence of surface alloy during the growth.

Keywords

chemical synthesis | crystalline | nanoscale

Symposium Organizers

Zakaria Al Balushi, University of California, Berkeley
Olga Kazakova, National Physical Laboratory
Su Ying Quek, National University of Singapore
Hyeon Jin Shin, Samsung Advanced Institute of Technology

Symposium Support

Bronze
Applied Physics Reviews | AIP Publishing
ATTOLIGHT AG
Penn State 2DCC-MIP

Session Chairs

Zakaria Al Balushi

In this Session

NM01.17.03
Wide Range Continuously Tunable and Fast Thermal Switching Based on Compressible Graphene Composite Foams

NM01.17.04
HfZrO2-Based Negative Capacitance Field-Effect Transistor with Molybdenum Disulfide Transition Metal Dichalcogenides and Al2O3 Dielectrics

NM01.17.06
Buried Graphene-Based Triple Gates for Steep Slope TFETs

NM01.17.08
Long-Term Multilevel Memory and Synaptic Function Transistors Using 2D MoSe2/MoS2 Heterostack Channel

NM01.17.09
Contact Resistance Reduction in 2D MoS2 FETs Through the Thermal-Evaporated LiF Interlayer

NM01.17.11
Change in the Phonon Frequency Spectra of Xenes due to an Isotopic Impurity

NM01.17.13
Surface Alloy as a New Substrate for Transition Metal Dichalcogenide Growth by Chemical Vapor Deposition

NM01.17.14
The Synthesis and Characterization of Homogeneous High-Quality Graphene Encapsulated Metallic Powders via Plasma Enhanced Rotating CVD

NM01.17.16
Predicting the Electronic and Thermal Properties of Transitional Metal Dichalogenide Heterostructure

NM01.17.17
Mesoscale Operando Investigation of Electrochemically Controlled Anion Intercalation in 2D van der Waals Heterostructure

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Publishing Alliance

MRS publishes with Springer Nature