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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…
In situ Imaging of an Anisotropic Layer-by-Layer Phase Transition in Few-Layer MoTe2
Chia-Hao Lee, Huije Ryu, Gillian Nolan +9
Understanding the phase transition mechanisms in two-dimensional (2D) materials is a key to precisely tailor their properties at the nanoscale. Molybdenum ditelluride (MoTe2) exhib…
Unidirectional Alignment of AgCN Microwires on Distorted Transition Metal Dichalcogenide Crystals
Myeongjin Jang, Hyeonhu Bae, Yangjin Lee +6
Van der Waals epitaxy on the surface of two-dimensional (2D) layered crystals has gained significant research interest for the assembly of well-ordered nanostructures and fabricati…
Thickness dependence of antiferromagnetic phase transition in Heisenberg-type MnPS3
Soo Yeon Lim, Kangwon Kim, Sungmin Lee +2
The behavior of 2-dimensional (2D) van der Waals (vdW) layered magnetic materials in the 2D limit of the few-layer thickness is an important fundamental issue for the understanding…
Polytypism in Few-Layer Gallium Selenide
Soo Yeon Lim, Jae-Ung Lee, Jung Hwa Kim +6
Gallium selenide (GaSe) is one of layered group-III metal monochalcogenides, which has an indirect bandgap in monolayer and direct bandgap in bulk unlike other conventional transit…
Optical phonons of SnSe(1-x)Sx layered semiconductor alloys
Tharith Sriv, Thi Minh Hai Nguyen, Yangjin Lee +5
The evolution of the optical phonons in layered semiconductor alloys SnSe1-xSx is studied as a function of the composition by using polarized Raman spectroscopy with six different…