The mechanical properties of materials are not only indispensable key factors in their
application fields, but are also fundamentally important in terms of materials science. Since …

Acoustic devices play an increasingly important role in modern society for information
technology and intelligent systems, and recently significant progress has been made in the …

Microphones exploit the motion of suspended membranes to detect sound waves. Since the
microphone performance can be improved by reducing the thickness and mass of its …

Recent development of terahertz systems has created the need for new elements operating
in this frequency band, ie, fast tunable devices such as varactors. Here, we present the …

At room temperature, micron-sized sheets of freestanding graphene are in constant motion,
even in the presence of an applied bias voltage. We quantify the out-of-plane movement by …

To realize nanomechanical graphene-based pressure sensors, it is beneficial to have a
method to electrically readout the static displacement of a suspended graphene membrane …

In this work, suspended 4-mm-wide graphene membranes are obtained through a
sublimation-assisted transfer process, using few-layer films grown by microwave plasma …

For the study and application of graphene membranes, it is essential to have means to
control their resonance frequency and temperature. Here, we present an on-chip heater …

Electrically conductive, highly flexible graphene membranes hold great promise for
harvesting energy from ambient vibrations. For this study, we built numerous three …

Electro-optic modulators based on micro-electromechanical systems have found success as
elements for optical projectors, for simplified optical spectrometers, and as reflective-type …