Nanoimprint lithography (NIL) has been successfully employed in nanoscale patterning, however, it is known to have limitations in replicating large-scale (hundreds of microns and larger) and nanoscale patterns simultaneously. In this letter, we present a novel lithographic technique that integrates photolithography into the NIL patterning process. This technique uses a hybrid mask-mold that has...

While the superconducting community has developed various techniques for the fabrication of nanoscale hot electron bolometers (HEB), the basic structure of an HEB microbridge has been fairly consistent. A typical HEB used in a cryogenic terahertz mixer consists of a thin strip of superconductor contacted on opposite ends by small metal contact pads in a planar configuration. Both the physics an...

In this Letter we report on the exploration of axial metal/semiconductor (Al/Ge) nanowire heterostructures with abrupt interfaces. The formation process is enabled by a thermal induced exchange reaction between the vapor-liquid-solid grown Ge nanowire and Al contact pads due to the substantially different diffusion behavior of Ge in Al and vice versa. Temperature-dependent I-V measurements reve...

Metal silicide nanowires (NWs) are very interesting materials with diverse physical properties. Among the silicides, manganese silicide nanostructures have attracted wide attention due to their several potential applications, including in microelectronics, optoelectronics, spintronics and thermoelectric devices. In this work, we exhibited the formation of pure manganese silicide and manganese s...

An Introduction to PADS. Ideally, any data we ever encounter will be presented to us in standardized formats, such as XML. Why? Because for formats like XML, there are a whole host of software libraries, query engines, visualization tools and even programming languages specially designed to help users process their data. However, we do not live in an ideal world, and in reality, vast amounts of...

The development of a new hybrid packaging method is reported, where the front end radio frequency (RF) element, namely a modified quasiYagi antenna, is integrated with an optical transmitter and an optical receiver on single PCB for dual-mode, i.e. RF/free space optical communication. The VCSEL and the pin diode are placed on the antenna directors to share the common metal pads on the Duroid (R...

Purpose: Previous studies have shown a substantial reduction in local SAR when introducing dielectric pads in a quadrature driven body coil. One concern is that, when using dual-transmit B1 + shimming, the SAR estimate provided by the scanner could be incorrect since it is typically based on models that do not include the presence of dielectric pads [1]. This work explores the implications of u...

Femtosecond time-resolved photoelectron angular distributions (PADs) are measured for the first time in the molecular frame of a dissociating molecule. Various stages of the dissociation process, NO2-->NO(C Pi)+O(P), are probed using ionization of the NO(C Pi) fragment to NO+(X Sigma(+)). The PADs evolve from forward-backward asymmetric with respect to the dissociation axis at short time delays...

Photoelectron angular distributions (PADs) have been measured following the excitation of the S1 origin band in paradifluorobenzene using a range of ionizing wavelengths and for resolved ion vibrational states. The PADs show a dramatic sensitivity to the photoelectron kinetic energy over an energy range of at least 1 eV from threshold, and almost no sensitivity to any prepared intermediate stat...

Photoelectron angular distributions (PADs) from the liquid-water surface and from bulk liquid water are reported for water oxygen-1s ionization. Although less so than for the gas phase, the measured PADs from the liquid are remarkably anisotropic, even at electron kinetic energies lower than 100 eV, when elastic scattering cross sections for the outgoing electrons with other water molecules are...