Topological insulators, geometry, topology

A part of this report was introduced in the April 2022 issue of our periodical, “Yano E plus.”

– Bulk, a Unique Material That is an Insulator But Has a Metallic State at Its Edges, Can Only be Understood by Applying the Geometric Concept of Topology –

1. Topological Insulators and Their Unusual Properties

2. Applications of Topological Insulators

2-1. Spintronics Devices

2-2. Phase-Change Memory

2-3. Photonics Devices

3. Market Size Forecast

4. Research and Development by Universities

4-1. Kyushu University

1) Electron Beam Nano-spectroscopic Analysis of Light-Matter Interaction in Topological Plasmonic Waveguides

4-2. National Institute of Advanced Industrial Science and Technology (AIST)

4-3. The University of Tokyo

1) Topological Material Design by Building Block Structure of Atomic Layers

2) Super Easy Switching On/Off of Spin Currents

4-4. Tohoku University: Part 1

1) Photoelectron Spectroscopy

2) Unusual Properties of Topological Insulators

3) Recent Research Examples

4-5. Tohoku University: Part 2

1) Recent Progress Related to Topological Insulators

2) Topological Band Structures of Light

3) Topological Phenomena Specific to Light: Topological Lasers

4) Synthetic Dimensions

5. Future Prospects