Chiral Interlayer Rotations For Atomically-Thin Layered Metamaterials
Abstract
The chiral rotation angle is an exciting new degree of freedom in 2D layered materials (2DLMs) that has not been explored previously, and its precise control will produce metamaterials that are not found in nature. As these 2DLM multilayers with non-zero interlayer rotations are not thermodynamically preferred in growth, they must be made artificially layer-by-layer with single layer building blocks with a predetermined lattice orientation. The main aim of this proposal is to develop atomically thin metamaterials based on 2DLMs with tunable physical properties by precisely programing the interlayer rotation angles (theta) and chirality in their multilayer stacks. For this, we will develop a powerful new approach for creating bi- and multilayer stacks with controlled rotation angles and chirality by combining (1) the growth of 2DLM films with a uniform lattice orientation and (2) angle controlled layer-by-layer transfer. This will allow us to develop small-theta/chiral twisted bilayer 2DLM films and their multilayer equivalents for the first time.
Document Details
- Document Type
- DoD Grant Award
- Publication Date
- Dec 05, 2016
- Source ID
- FA95501610347
Entities
People
- Jiwoong Park
Organizations
- Air Force Office of Scientific Research
- United States Air Force
- University of Chicago