UW-Madison researchers have developed a group III-nitride-based light emitting devices for efficient LED and laser applications. These devices have one or more quantum wells in the active region with ...
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Semiconductor deep-ultraviolet (DUV) light-emitting diodes (LEDs) operating at sub-250 nm wavelengths are of interest due to their applications in areas such as sterilization, biosensing, medical trea...
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UW-Madison researchers have designed optoelectronic transducers that convert a femtosecond (fs)-timescale laser pulse into an a.c. electrical current pulse with an extremely high frequency and a high ...
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UW-Madison researchers have developed a compact thermal laser on a chip capable of steering emitted thermal radiation at a continuous range of angles through the application of a voltage. The device i...
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UW-Madison researchers have developed a triblock copolymer strategy for controlling the spacing between CNTs. The triblock copolymers consist of an A-B-A architecture where the B block is the conjugat...
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UW-Madison researchers have developed a new synthesis method, hybrid PLD (Pulsed Laser Deposition), that synergistically combines the advantages of thermal evaporation and conventional PLD to overcome...
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UW-Madison and University of Chicago researchers have developed a method for directed self-assembly of block copolymer films that relies on obtaining the correct balance of surface energies for the te...
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Oxide thin films have widespread applications in electronic, magnetic, optical materials and devices. Synthesis of oxide thin films via epitaxial growth techniques such as sputtering, molecular beam e...
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Silicon-Germanium (SiGe) heterostructures are used for many purposes in the modern electronics industry, forming the basis of devices such as SiGe heterojunction bipolar transistors and Si/SiGe modula...
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UW researchers have invented a Cesium Lattice Optical Clock (CLOC) for high performance and simple operation in a compact form factor. The novel design uses a “forbidden” optical transitio...
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UW Madison researchers have developed methods for forming films of aligned carbon nanotubes. The methods also provide for making electronic devices that incorporate the films as active layers. The fil...
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UW-Madison researchers have developed a fundamentally new type of mmW emitter, which only shows moderate power drop even at the 300 GHz frequency. The device architecture is a multilayer stack of meta...
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UW researchers have now demonstrated that nanotubes collected at a liquid/liquid interface self-organize to form two-dimensional (2D) nematic liquid crystals that globally align with flow. The 2D liqu...
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Zinc oxide graphene composite materials have significant interest commercially as they have been demonstrated effective for use in sensors and capacitors. They can act as transparent conductive thin-...
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A method of forming a low dielectric constant (low-k) dielectric is disclosed. The method includes providing a substrate and forming a dielectric including porogens over the substrate. While subjectin...
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Semiconductor heterojunction structures comprising lattice mismatched, single-crystalline semiconductor materials and methods of fabricating the heterojunction structures are provided. The heterojunct...
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Provided herein are methods of directed self-assembly (DSA) on atomic layer chemical patterns and related compositions. The atomic layer chemical patterns may be formed from two-dimensional materials ...
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Superlattice structures composed of single-crystal semiconductor wells and amorphous barriers are provided. Also provided are methods for fabricating the superlattice structures and electronic, optoel...
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Tandem solar cells comprising two or more solar cells connected in a solar cell stack via pn diode tunnel junctions and methods for fabricating the tandem solar cells using epitaxial lift off and tran...
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Stretchable high frequency transmission lines and high-frequency filters comprising the transmission lines are provided. The transmission lines provide low power loss, even at microwave and millimeter...
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Methods for forming carbon nanotube arrays are provided. Also provided are the arrays formed by the methods and electronic devices that incorporate the array as active layers. The arrays are formed by...
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High-quality, single-crystalline silicon-germanium (Si(1-x)Gex) having a high germanium content is provided. Layers of the high-quality, single-crystalline silicon-germanium can be grown to high sub-c...
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Switches for electromagnetic radiation, including radiofrequency switches and optical switches, are provided. Also provided are methods of using the switches. The switches incorporate layers of high q...
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Optoelectronic devices that use very thin single-crystalline inorganic semiconductor films as phonon-absorbing layers in combination with non-lattice optical cavities are provided.
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A self-assembling element fabricated using integrated circuit techniques may provide a small diameter helical conductor surrounding an electron beam for the construction of a vacuum electronic device ...
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