Hanbin Gao
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View article: Millimeter-wave dielectric tunability driven by topological polar structure switching in PbTiO3/SrTiO3 superlattices
Millimeter-wave dielectric tunability driven by topological polar structure switching in PbTiO3/SrTiO3 superlattices Open
Dielectric tunability induced by an external electric field in materials underpins radio frequency signal modulation devices such as phase shifters, which are critical components in wireless communication and sensing systems. However, the …
View article: Giant electric field-induced second harmonic generation in polar skyrmions
Giant electric field-induced second harmonic generation in polar skyrmions Open
View article: Giant electric field-induced second harmonic generation in polar skyrmions
Giant electric field-induced second harmonic generation in polar skyrmions Open
Electric field-induced second harmonic generation (EFISH) allows electrically controlling nonlinear light-matter interactions crucial for emerging integrated photonics applications. Despite its wide presence in materials, the figures-of-me…
View article: Sub-Ångstrom-scale structural variations in high-entropy oxides
Sub-Ångstrom-scale structural variations in high-entropy oxides Open
Inherent local fluctuating lattice distortions with short-range ordering behaviors in four types of high-entropy oxides have been directly visualized and quantified in real-space by means of scanning transmission electron microscopy imagin…