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Quantum Dot Moiré from Crossed MoS2 Nanoribbons
Xinting Shuai, Hao Zhang, Wenjing Wu +22
Twisted atomically thin layers have attracted much attention for Moiré potential and correlated quantum phenomena. However, existing Moiré superlattices have largely been limited t…
Spectroscopic Signatures of Interlayer Coupling in Janus MoSSe/MoS2 Heterostructures
Kunyan Zhang, Yunfan Guo, Daniel T. Larson +5
The interlayer coupling in van der Waals heterostructures governs a variety of optical and electronic properties. The intrinsic dipole moment of Janus transition metal dichalcogeni…
Designing Artificial Two-Dimensional Landscapes via Room-Temperature Atomic-Layer Substitution
Yunfan Guo, Yuxuan Lin, Kaichen Xie +21
Manipulating materials with atomic-scale precision is essential for the development of next-generation material design toolbox. Tremendous efforts have been made to advance the com…
Signature of Many-Body Localization of Phonons in Strongly Disordered Superlattices
Thanh Nguyen, Nina Andrejevic, Hoi Chun Po +17
Many-body localization (MBL) has attracted significant attention due to its immunity to thermalization, role in logarithmic entanglement entropy growth, and opportunities to reach…
Anomalous Phonon-mode Dependence in Polarized Raman Spectroscopy of Topological Weyl Semimetal TaP
Kunyan Zhang, Xiaoqi Pang, Tong Wang +8
Topological Weyl semimetals (WSMs) have attracted widespread interests due to the chiral Weyl fermions and surface Fermi arcs that enable unique optical and transport phenomena. In…
Phonon Quantum Phase Transition
Ricardo Pablo-Pedro, Nina Andrejevic, Yoichiro Tsurimaki +5
We show that a quantum phase transition can occur in a phonon system in the presence of dislocations. Due to the competing nature between the topological protection of the dislocat…
Parallel Stitching of Two-Dimensional Materials
Xi Ling, Yuxuan Lin, Qiong Ma +16
Diverse parallel stitched two-dimensional heterostructures are synthesized, including metal-semiconductor (graphene-MoS2), semiconductor-semiconductor (WS2-MoS2), and insulator-sem…
The Renaissance of Black Phosphorus
Xi Ling, Han Wang, Shengxi Huang +2
One hundred years after its first successful synthesis in the bulk form in 1914, black phosphorus (black P) was recently rediscovered from the perspective of a two-dimensional (2D)…
Observation of Low-frequency Interlayer Breathing Modes in Few-layer Black Phosphorus
Xi Ling, Liangbo Liang, Shengxi Huang +6
As a new two-dimensional layered material, black phosphorus (BP) is a promising material for nanoelectronics and nano-optoelectronics. We use Raman spectroscopy and first-principle…