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Flexoelectrically Induced Polar Topology in Twisted SrTiO3 Membranes

open access: yesAdvanced Materials, EarlyView.
Twisted SrTiO3 bilayers host polar vortices of flexoelectric origin, revealed through combined experiment and theory. By reconstructing polarization from the toroidal moment of strain gradients, the work establishes a 3D chiral state with broken inversion and mirror symmetries.
Isabel Tenreiro   +13 more
wiley   +1 more source

A practical method for predicting ground surface deformation induced by the artificial ground freezing method

Computers and Geotechnics, 2021
Abstract The Artificial ground freezing (AGF) method is a reliable and environmentally friendly technique used for ground improvement to address adverse geotechnical conditions, and it has been widely used in the civil engineering field. However, frost heave and thaw settlement during the freeze–thaw process is inevitable, and excessive deformation ...
Ting Liu
exaly   +2 more sources

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