In a recent publication in Nature, we reported bulk metallic glass (BMG) matrix
composites exhibiting >10% tensile ductility and Fracture Toughness comparable to or
exceeding the toughest metals known [1]. These high performance composites
demonstrate the potential of metallic glass as revolutionary structural metals. The BMG matrix
composites contain elastically soft dendrites comprised of Ti-Zr-Nb embedded in
a glassy matrix. Toughening and ductility are achieved [...]
Producing high quality thin films of controlled thickness is a critical step for the development of ferroelectric nanophotonic devices. Developed recently, the process referred to as layer transfer has been shown to be very promising: ions are implanted in a plan parallel to the interface of a bilayer system that is then heated. The high temperature induces nucleation and propagation [...]
Single-crystal organic field-effect transistors (OFETs) are ideal device structures for studying fundamental science associated with charge transport in organic materials and have demonstrated outstanding electrical characteristics. However, it remains a technical challenge to integrate single-crystal devices into practical electronic applications. A key difficulty is that organic single-crystal devices are usually fabricated one device at a time through manual selection and [...]
Objective: To develop novel microfluidic flow cells that allow trapping of single DNA molecules and studies of the binding of sequence-specific probes to the trapped DNA.
Approach: Two different devices have been designed and fabricated: a cross-slot that uses flow focusing to direct probes to the trapped DNA and a microfluidic "four roll mill" that allows the flow type to be varied from extension to shear to rotation near the trapped DNA (fig. 2). [...]
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