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Assessing quantitative phase reliability in electron ptychography using a twisted trilayer WS2 thickness staircase
Hu Bao, Qilong Feng, Kun Ye +6
The phase of an electron wave is sensitive to the local electrostatic environment and can therefore provide information about atomic-scale structural variations. In electron ptycho…
Concurrent probing of electron-lattice dephasing induced by photoexcitation in 1T-TaSeTe using ultrafast electron diffraction
Jun Li, Junjie Li, Kai Sun +12
It has been technically challenging to concurrently probe the electrons and the lattices in materials during non-equilibrium processes, allowing their correlations to be determined…
Long-range and local crystal structures of the Sr1-xCaxRuO3 Perovskites
Loi T. Nguyen, Milinda Abeykoon, Jing Tao +2
The crystal structures of the Sr1-xCaxRuO3 perovskites are investigated using both long range and local structural probes. High resolution synchrotron powder X-ray diffraction char…
Ultrafast decoupling of atomic sublattices in a charge-density-wave material
Jun Li, Junjie Li, Kai Sun +12
Atomic rearrangements within crystals lie at the foundation of electron-phonon-coupled phenomena such as metal-insulator transition and superconductivity. Advanced laser-pump-probe…
VI3 - a new layered ferromagnetic semiconductor
Tai Kong, Karoline Stolze, Erik I. Timmons +6
Two-dimensional (2D) materials are promising candidates for next-generation electronic devices. In this regime, insulating 2D ferromagnets, which remain rare, are of special import…
Graphene-Silicon Layered Structures on Single-crystalline Ir(111) Thin Films
Yande Que, Yong Zhang, Yeliang Wang +12
Single-crystalline transition metal films are ideal playing fields for the epitaxial growth of graphene and graphene-base materials. Graphene-silicon layered structures were succes…