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11 papers · 2 filters
An unconventional platform for two-dimensional Kagome flat bands on semiconductor surfaces
Jae Hyuck Lee, GwanWoo Kim, Inkyung Song +8
In condensed matter physics, the Kagome lattice and its inherent flat bands have attracted considerable attention for their potential to host a variety of exotic physical phenomena…
Broken Kramers' degeneracy in altermagnetic MnTe
Suyoung Lee, Sangjae Lee, Saegyeol Jung +9
Altermagnetism is a newly identified fundamental class of magnetism with vanishing net magnetization and time-reversal symmetry broken electronic structure. Probing the unusual ele…
Type-II Red Phosphorus: Wavy Packing of Twisted Pentagonal Tubes
Jun-Yeong Yoon, Yangjin Lee, Dong-Gyu Kim +11
Elemental phosphorus exhibits fascinating structural varieties and versatile properties. The unique nature of phosphorus bonds can lead to the formation of extremely complex struct…
Atomic-Scale Tailoring of Chemisorbed Atomic Oxygen on Epitaxial Graphene for Graphene-Based Electronic Devices
Tae Soo Kim, Taemin Ahn, Tae-Hwan Kim +2
Graphene, with its unique band structure, mechanical stability, and high charge mobility, holds great promise for next-generation electronics. Nevertheless, its zero band gap chall…
Interfacial Magnetic Anisotropy of Iron-Adsorbed Ferroelectric Perovskites: First-Principles and Machine Learning Study
Dameul Jeong, Seoung-Hun Kang, Young-Kyun Kwon
The advancement of spin-based devices as a replacement for CMOS technology demands lower spin-switching energy in ferromagnetic (FM) materials. Ferroelectric (FE) materials offer a…
Revealing the Three-Dimensional Arrangement of Polar Topology in Nanoparticles
Chaehwa Jeong, Juhyeok Lee, Hyesung Jo +8
In the early 2000s, low dimensional systems were predicted to have topologically nontrivial polar structures, such as vortices or skyrmions, depending on mechanical or electrical b…