241 citations · 993 across the 25 of their papers we have counts for
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topology of bismuth
Irene Aguilera, Hyun-Jung Kim, Christoph Friedrich +2
While first-principles calculations with different levels of sophistication predict a topologically trivial state for bulk bismuth, some photoemission experiments show surfac…
Ferromagnetic Weyl Fermions in Two-Dimensional Layered Electride GdC
Shuyuan Liu, Chongze Wang, Liangliang Liu +5
Recently, two-dimensional layered electrides have emerged as a new class of materials which possess anionic electron layers in the interstitial spaces between cationic layers. Here…
Competing edge structures of Sb and Bi bilayers by trivial and nontrivial band topologies
Sang-Min Jeong, Seho Yi, Hyun-Jung Kim +2
One-dimensional (1D) edge states formed at the boundaries of 2D normal and topological insulators have shown intriguing quantum phases such as charge density wave and quantum spin…
Persistence of Island Arrangements During Layer-by-Layer Growth Revealed Using Coherent X-rays
Guangxu Ju, Dongwei Xu, Matthew J. Highland +7
Understanding surface dynamics during epitaxial film growth is key to growing high quality materials with controllable properties. X-ray photon correlation spectroscopy (XPCS) usin…
Microscopic mechanism of tunable band gap in potassium doped few-layer black phosphorus
Sun-Woo Kim, Hyun Jung, Hyun-Jung Kim +3
Tuning band gaps in two-dimensional (2D) materials is of great interest in the fundamental and practical aspects of contemporary material sciences. Recently, black phosphorus (BP)…
Contrasting diffusion behaviors of O and F atoms on graphene and within bilayer graphene
Seho Yi, Hyun-Jung Kim, Jin-Ho Choi +1
The chemical modification of graphene with adatoms is of importance for nanoelectronics applications. Based on first-principles density-functional theory calculations with includin…
Origin of Symmetric Dimer Images of Si(001) Observed in Low-Temperature STM
Xiao-Yan Ren, Hyun-Jung Kim, Chun-Yao Niu +2
It has been a long-standing puzzle why buckled dimers of the Si(001) surface appeared symmetric below 20 K in scanning tunneling microscopy (STM) experiments. Although such symmetr…