Recent advances in topological elastic metamaterials

H Huang, J Chen, S Huo - Journal of Physics: Condensed Matter, 2021‏ - iopscience.iop.org
Topological elastic metamaterials have emerged as a new frontier in the quest of topological
phases in condensed matter physics. Their exotic topological properties open a wealth of …

[HTML][HTML] A review on graphene-based nano-electromechanical resonators: Fabrication, performance, and applications

Y **ao, F Luo, Y Zhang, F Hu, M Zhu, S Qin - Micromachines, 2022‏ - mdpi.com
The emergence of graphene and other two-dimensional materials overcomes the limitation
in the characteristic size of silicon-based micro-resonators and paved the way in the …

Dual-band helical edge states and discrete dirac vortices in solid-state elastic waves

ZD Zhang, SY Yu, MH Lu, YF Chen - Physical Review Applied, 2022‏ - APS
Dual-band equipment has unique advantages as regards ensuring the stability of wireless
communication and improving efficiency. With the development of topological photonics and …

Graphene-based nanoelectromechanical periodic array with tunable frequency

QH Zhang, Y Ying, ZZ Zhang, ZJ Su, H Ma, GQ Qin… - Nano Letters, 2021‏ - ACS Publications
Phononic crystals (PnCs) have attracted much attention due to their great potential for
dissipation engineering and propagation manipulation of phonons. Notably, the excellent …

Tuning the bandstructure of electrons in a two-dimensional artificial electrostatic crystal in GaAs quantum wells

DQ Wang, Z Krix, OA Tkachenko, VA Tkachenko… - arxiv preprint arxiv …, 2024‏ - arxiv.org
The electronic properties of solids are determined by the crystal structure and interactions
between electrons, giving rise to a variety of collective phenomena including …

[HTML][HTML] Reconfigurable directional selective tunneling of p-type phonons in polarized elastic wave systems

G Yu, J **e, S Gao, W Wang, L Lai, C Jiang, Y Li - Materials & Design, 2024‏ - Elsevier
There have been many studies on the ground state of phononic crystals, but few studies on
the nature of the excited state. In this paper, we introduce the asymmetric Klein tunneling …

Mechanically-tunable bandgap closing in 2D graphene phononic crystals

JN Kirchhof, KI Bolotin - npj 2D Materials and Applications, 2023‏ - nature.com
We present a tunable phononic crystal which can be switched from a mechanically
insulating to a mechanically conductive (transmissive) state. Specifically, in our simulations …

Ferroelectric and strain-tuned MoSe 2/Bi 2 O 2 Se van der Waals heterostructure with band alignment evolution

S Lu, Y Li, X Zhao - Physical Chemistry Chemical Physics, 2023‏ - pubs.rsc.org
The vertically stacked two-dimensional van der Waals heterostructure (2D vdWH) provides a
unique platform for integrating distinctive properties of various 2D materials by …

[HTML][HTML] Topological Fano resonance of symmetric Lamb wave induced by antisymmetric trapped mode

C Sun, A Song, Z Liu, Y **ang, FZ Xuan - AIP Advances, 2023‏ - pubs.aip.org
The rapid development of topological physics in recent years has greatly enriched the
methods for manipulating classic waves. Fano resonance is a widespread phenomenon …

Electrically tunable topological interface states in one-dimensional nanomechanical lattices

ZD Zhang, SY Yu, MH Lu, YF Chen - Physical Review B, 2022‏ - APS
In optics, combining one-dimensional (1D) topological systems with lasers and nonlinear
optics has promoted their rapid development. A 1D acoustic topological system can only …