123 citations · 200 across the 5 of their papers we have counts for
5 papers
Quantum Spin Hall-like Phononic States in van der Waals Bilayers with Antiferromagnetic Ordering
W. H. Han, K. J. Chang
Here, we propose quantum spin Hall-like phononic states in van der Waals bilayer systems with antiferromagnetic ordering. Antiferromagnetic ordering in bilayer systems with small i…
A Metal-Insulator Transition via Wigner Crystallization in Boron Triangular Kagome Lattice
Woo Hyun Han, Sunghyun Kim, In-Ho Lee +1
The flat band has attracted a lot of attention because it gives rise to many exotic phases, as recently demonstrated in magic angle twisted bilayer graphene. Here, based on first-p…
A new superconducting open-framework allotrope of silicon at ambient pressure
Ha-Jun Sung, W. H. Han, In-Ho Lee +1
Diamond Si is a semiconductor with an indirect band gap that is the basis of modern semiconductor technology. Although many metastable forms of Si were observed using diamond anvil…
A New Phosphorus Allotrope with Direct Band Gap and High Mobility
W. H. Han, Sunghyun Kim, In-Ho Lee +1
Based on ab initio evolutionary crystal structure search computation, we report a new phase of phosphorus called green phosphorus (λ-P), which exhibits the direct band gaps ranging…
Boron Triangular Kagome Lattice with Half-Metallic Ferromagnetism
Sunghyun Kim, W. H. Han, In-Ho Lee +1
Based on the first-principles evolutionary materials design, we report a stable boron Kagome lattice composed of triangles in triangles on a two-dimensional sheet. The Kagome latti…