Flexoelectric Transduction in Hafnium-based NEMS

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Flexoelectricity in amorphous hafnium oxide (HfO2)

Luis Guillermo Villanueva Torrijo, Kaitlin Marie Howell, Daniel Moreno Garcia

Flexoelectricity, inherent in all materials, offers a promising alternative to piezoelectricity for nanoscale actuation and sensing. However, its widespread application faces significant challenges: differentiating flexoelectric effects from those of piezo ...

2024

A triboelectric nanogenerator coupled with internal and external friction for gesture recognition based on EHD printing technology

Xin Chen

Surface charge density is a critical factor in determining the output performance of triboelectric nanogenerators (TENGs). However, enhancing the surface charge density is a relatively complex process characterized by high cost, fast charge dissipation, an ...

Elsevier2023

Fabrication and characterization of NbTi microwave superconducting resonators

Jürgen Brugger, Giovanni Boero, Nergiz Sahin Solmaz, Reza Farsi, Hernán Furci, Roberto Russo, André Chatel

Superconducting resonators are widely used in fields spanning from quantum computing to electron spin resonance (ESR) spectroscopy. With the goal of realizing superconducting resonators, a broad variety and combination of superconducting materials, substra ...

ELSEVIER2023

Interplay of anomalous strain relaxation and minimization of polarization changes at nitride semiconductor heterointerfaces

Yi Wang, Nicolas Grandjean, Jean-François Carlin, Raphaël Butté

We present a methodology to quantify polarization and electron affinity changes at interfaces by combining scanning tunneling spectroscopy, off-axis electron holography in transmission electron microscopy (TEM), and self-consistent calculations of the elec ...

AMER PHYSICAL SOC2020