Acoustically mediated spintronic THz emitters in which sound waves, rather than direct laser pulses, give rise to a spin current in a magnetic material via magnetoelastic coupling are provided. The TH...
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Voltage-controlled spin field effect transistors (“spin transistors”) and methods for their use in switching applications are provided. In the spin transistors, spin current is transported from a ...
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Flexible transistors and electronic circuits incorporating the transistors are provided. The flexible transistors promote heat dissipation from the active regions of the transistors while preserving t...
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Piezoelectrically actuated devices constructed from thin semiconductor membranes bonded directly to piezoelectric substrates are provided. Methods for fabricating these devices are also provided. The ...
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Methods for fabricating thin, high-aspect-ratio Ge nanostructures from high-quality, single-crystalline Ge substrates are provided. Also provided are grating structures made using the methods. The met...
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Traveling-wave tube amplifiers for high-frequency signals, including terahertz signals, and methods for making a slow-wave structure for the traveling-wave tube amplifiers are provided. The slow-wave ...
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A quantum computer architecture employs logical qubits that are constructed from a concatenation of doubly periodic Josephson junction circuits. The series concatenation of the doubly periodic Josephs...
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Magnetoelectric devices based on piezoelectric/magnetostrictive bilayers are provided. Also provided are methods of using the devices to modulate or to sense the magnetization of the magnetostrictive ...
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Traveling-wave tube amplifiers and methods for making slow-wave structures for the amplifiers are provided. The SWSs include helical conductors that are self-assembled via the release of stressed elec...
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With the continued development of semiconductor technology, it is now possible to fabricate nano-scale material structures called Quantum Dots (QDs). The properties of QDs have earned them the charac...
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Blue and UV light-emitting diodes (LEDs) are key to modern, energy-saving lighting and are used in a range of applications including efficient home, farm and building lighting, high-speed networking, ...
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Recently, interest and research in graphene has grown rapidly due to its outstanding electrical properties. Graphene, a two-dimensional carbon-based material, has high tensile strength, stiffness, opt...
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Most microelectronic devices are fabricated using top-down processes such as photolithography. Current top-down processes face growing limitations as the demand for smaller scale applications increase...
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Improvements in technologies such as cell phones, laptops and small digital electronics are the result of the increasing capability of electronics and photonics. However, there is a continuing need fo...
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Block copolymer (BCP) lithography is one of the most powerful technologies of the digital electronics era, allowing millions of nanoscale components to be fabricated on a single chip.BCPs are made of ...
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Photodetectors convert light signals into electrical signals and are indispensible components in most optoelectronic applications. These devices comprise various designs and materials. In recent years...
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Semiconductor nanowire lasers are promising building blocks in state-of-the-art photonic and optoelectronic devices due to their advantageous properties – including ultracompact size, efficient wave...
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Electronic waste management remains an ongoing challenge both domestically and abroad. Scrap components of electronics such as computers, cellphones and refrigerators contain high amounts of heavy met...
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Flexible electronics such as pliant displays, wearable electronics and new biomedical devices have gained popularity in recent years. Such devices are mounted on a supple plastic support layer and off...
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Complex integrated circuits must be individually tested during manufacturing. System-on-chip (SoC) circuits combine multiple functional elements on a single substrate. For example, such systems may co...
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The semiconductor industry constantly is seeking new methods to improve memory speed and efficiency that are compatible with large-scale fabrication processes and environmentally-friendly.Currently, F...
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Germanium (Ge), a group-IV semiconductor material, is crucial to many established and potential technologies. In optoelectronics, Ge has been used as a photodetector material for on-chip data distribu...
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Future advances in semiconductor electronics for computers will require three-dimensional (3-D) integrated circuits that are not limited by the physics of thin film processing. In addition, flexible e...
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Chips made of strained silicon (Si) have higher electron mobility than chips made of unstrained Si, enabling the fabrication of faster semiconductor devices. Current methods of producing strained Si r...
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Polymer brushes are a broad class of materials made of polymer chains tethered at one end to a substrate. These brushes are able to tune and modify surface properties like bioadhesion and wettability....
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