Design of new-concept magnetomechanical devices by phase-field simulations

JM Hu - MRS Bulletin, 2024 - Springer
The phase-field method enables simulating the spatiotemporal evolution of the coupled
physical-order parameters under externally applied fields in a wide range of materials and …

Excitation and detection of coherent sub-terahertz magnons in ferromagnetic and antiferromagnetic heterostructures

S Zhuang, JM Hu - npj Computational Materials, 2022 - nature.com
Excitation of coherent high-frequency magnons (quanta of spin waves) is critical to the
development of high-speed magnonic devices. Here we computationally demonstrate the …

Creation and manipulation of higher-order topological states by altermagnets

YX Li, Y Liu, CC Liu - Physical Review B, 2024 - APS
We propose to implement tunable higher-order topological states in a heterojunction
consisting of a two-dimensional (2D) topological insulator and the recently discovered …

Ultrathin copper films grown on SrTiO3 substrates for epitaxy of single-crystalline γ-FeMn

X Li, X Liu, H Li, YQ Lü, C Gao - Journal of Applied Physics, 2023 - pubs.aip.org
The topological antiferromagnet γ-FeMn is a fascinating material for studying
unconventional magnetic properties and topological transport phenomena though high …

THz and sub-THz antiferromagnetic magnons via magnetoacoustic resonances excited by picosecond strain pulses in NiO

AV Azovtsev, NA Pertsev - Physical Review Materials, 2024 - APS
Antiferromagnets can host ultrafast spin dynamics in the terahertz (THz) frequency range,
but an energy-efficient generation of THz magnons necessary for high-speed information …

[图书][B] Dynamical Phase-field Modeling of Ultrafast Phenomena in Ferroic Materials

S Zhuang - 2023 - search.proquest.com
Ferroic materials have attracted significant attention from researchers to investigate
fundamental physics in them and have found numerous practical applications because of …