Universiteit Leiden

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Bhattacharyya Lab - Quantum transport in 2D materials

How do magnetism and superconductivity develop in two dimensions (2D)? What are the special features of quantum phase transitions in low dimensions? What is the fundamental mechanism of proximity effect mediated by weak Van der Waals bonds? Our main research interest are Quantum transport measurements in Van der Waals heterostructures (Q-Waals).

The discovery of 2D materials has brought a paradigm shift in terms of understanding and manipulating new quantum phases in condensed matter systems and created a possibility of answering these questions. Even more unique phases can be engineered when such 2D materials are stacked together via Van der Waals assembly, a technique for mechanically stacking atomically thin materials.

As an experimental research group, we are interested in understanding and manipulating novel quantum phases - such as topological physics, many-body physics, and quantum phase transitions in quantum materials such as 2D materials, Van der Waals heterostructures, and topological insulators. Our research techniques span developing innovative fabrication techniques of new Van der Waals heterostructures, electrical transport measurements in these materials as well as other quantum materials as a function of twist angle and pressure. 

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