Two-Dimensional van der Waals Superconductor Heterostructures: Josephson Junctions and Beyond.

Area of Science:

• Condensed Matter Physics and Materials Science
• Two-Dimensional (2D) Materials
• Superconductivity

Background:

• Recent advancements in atomically thin 2D van der Waals heterostructures.
• These materials offer unique electronic and magnetic properties for fundamental research and applications.
• Growing interest in van der Waals superconductor (SC) heterostructures fabricated via stacking 2D SCs.

Purpose of the Study:

• To review the emerging field of 2D van der Waals SC heterostructures.
• To focus on the progress of 2D van der Waals Josephson junctions.
• To discuss preparation, performance, and applications, and propose future research directions.

Main Methods:

• Review of existing literature on van der Waals heterostructures and Josephson junctions.
• Analysis of preparation techniques for 2D van der Waals SC heterostructures.
• Evaluation of performance metrics and potential applications of these junctions.

Main Results:

• 2D van der Waals Josephson junctions exhibit distinct phenomena and properties at atomic-scale thickness.
• Significant progress has been made in the preparation and characterization of these novel devices.
• These junctions hold promise for various applications in condensed matter physics.

Conclusions:

• Van der Waals SC heterostructures, especially Josephson junctions, represent a promising frontier in materials science.
• Further research is needed to optimize preparation and fully explore their potential applications.
• Future innovations lie in exploring new combinations and functionalities of these 2D materials.