Solid-state devices rely on the control of the flow of electrons and holes at the interface (“heterojunction”) formed between different semiconductors. Silicon is the workhorse of the semiconductor industry. However, until now, creating a heterojunction between Si and other materials with a larger energy gap has been an intractable
Electron paramagnetic resonance (EPR) is commonly used to manipulate and measure the magnetic moments (or spins) of electrons. IRG-D researchers at the Princeton Center for Complex Materials (PCCM) have demonstrated a 100 fold improvement in sensitivity to the electrons’ spins by combining long-coherence donor electrons in isotopically
Block copolymer thin films are effective templates for fabricating large arrays of nanoscopic objects; for example, polymers which self-assemble into cylinders lying in the plane of the film yield striped patterns, which can be replicated in metal to yield nanowire grids which effectively polarize the short-wavelength
Processed NW network
Thin block copolymer films are highly relevant for many scientific and industrial applications due to their ability to form uniform domains of controllable shape at nanometer length scales.
We investigated the electronic properties of interfaces between two laminated polymer films. The top polymer film (Fig. (a)) is transferred to a soft PDMS stamp, and laminated against the bottom film, previously spin-coated on a substrate.
