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Atomic-scale observations of electrical and mechanical manipulation of topological polar flux-closure
Xiaomei Li, Congbing Tan, Peng Gao +12
The ability to controllably manipulate the complex topological polar configurations, such as polar flux-closure via external stimuli, enables many applications in electromechanical…
Atomic Origin of Spin-Valve Magnetoresistance at the SrRuO3 Grain Boundary
Xujing Li, Li Yin, Zhengxun Lai +14
Defects ubiquitously exist in crystal materials and usually exhibit a very different nature than the bulk matrix, and hence, their presence can have significant impacts on the prop…
Atomic Imaging of Mechanically Induced Topological Transition of Ferroelectric Vortices
Pan Chen, Xiangli Zhong, Jacob A. Zorn +14
Ferroelectric vortices formed through complex lattice-charge interactions have great potential in applications for future nanoelectronics such as memories. For practical applicatio…
Lattice dynamics, phonon chirality and spin-phonon coupling in 2D itinerant ferromagnet Fe3GeTe2
Luojun Du, Jian Tang, Yanchong Zhao +13
Fe3GeTe2 has emerged as one of the most fascinating van der Waals crystals due to its two-dimensional (2D) itinerant ferromagnetism, topological nodal lines and Kondo lattice behav…
Giant Interfacial Thermal Resistance Arising From Materials With Mismatched Phonon Structures
Yan Yin, Busheng Wang, Jin Chen +6
Previous researches only reported very small interfacial thermal resistances at room temperature due to limitations in sample combinations and methods. Taking cognizance of the imp…