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Briefs

Photonics/Optics

On the Pulsed Laser Ablation of Metals and Semiconductors

The fundamental goal of this research is to build from a broad set of experimental and theoretical data to a narrower set of scaling relations, heuristics, and trends that provide a roadmap for understanding laser ablation across relevant regimes.

Articles

Semiconductors & ICs

Improving Transmit/Receive Module Test Accuracy and Throughput

A vector network analyzer (VNA) extension unit can support a wide range of measurements in a compact, individually configurable design.

Articles

Electronics & Computers

Radiation-Tolerant FPGAs Solve Spacecraft Design Challenges

Learn about the different FPGA technologies that are available for space applications, and the process for developing the components.

Briefs

Electronics & Computers

Weyl Semimetals (WSM) for Electronics Applications

New synthesized materials open the way to govern the density of helicity, axial charge, and its flow, axial current.

Briefs

Defense

Molecular Engineering for Mechanically Resilient and Stretchable Electronic Polymers and Composites

The ability to predict the mechanical properties of organic semiconductors is of critical importance for roll-to-roll production and...

News

Data Acquisition

DENSO and Toyota Form a Joint Venture for Next-Generation Vehicle Semiconductors

DENSO Corporation and Toyota Motor Corporation are teaming up on the research and development (R&D) of in-vehicle semiconductors. The two companies aim to...

Briefs

Sensors/Data Acquisition

Electrical Characterization of Crystalline UO2, THO2 and U0.71TH0.29O2

Tracking and identifying radiation sources in the age of nuclear proliferation and well- resourced non-state actors is a national priority. Current neutron detection...

News

Sensors/Data Acquisition

Audi Becomes First Automotive OEM to Join SEMI

German luxury automobile maker, Audi AG has joined SEMI (formerly Semiconductor Equipment and Materials International) as a full member – becoming the first automotive original equipment...

Articles

Materials

Compact Power Amplifier Solution for Electronic Warfare

Wolfspeed, a Cree company, provides field-tested silicon carbide (SiC) and gallium nitride (GaN) power and RF solutions. As a leader in wide-bandgap semiconductor technology, Wolfspeed...

News

Power

The Next Material Disruption

In a recent joint paper by the Aerospace Technology Institute (ATI) and the National Graphene Institute (NGI) at the University of Manchester, researchers outlined the disruptive impact potential of graphene...

Briefs

Photonics/Optics

Laser Integration on Silicon Photonic Circuits Through Transfer Printing

The purpose of this project was to develop a transfer printing process for the massively parallel integration of III-V lasers on silicon photonic integrated circuits....

Briefs

Semiconductors & ICs

Silicon Based Mid-Infrared SiGeSn Heterostructure Emitters and Detectors

Enhancing the performance of GeSn p-i-n photodiodes using gold metal nanostructures.

The goal of this research project was to advance the science and technology...

Briefs

Aerospace

Testing Multijunction Solar Cell Efficiency

The photovoltaic community is closer than ever to achieving ultra-high multijunction solar cell efficiencies (>50%). Subcells from III–V compound semiconductors are approaching ideal...

Briefs

Test & Measurement

Thermal Conductivity Measurement Setup for Low-Temperature Characterization of Laser Materials

Operating lasers at cryogenic temperatures gained maturity only in the mid-90s due mostly to the progress in transparent, laser-grade ceramics and...

Briefs

Materials

Carbon Nanotube Thermal Interfaces Enhanced with Sprayed-On Nanoscale Polymer Coatings

As the semiconductor industry continually strives to increase the power density of single-chip packages, thermal management remains a critical challenge...

Briefs

Manufacturing & Prototyping

Tin-Based IV-IV Heterostructures Fabricated Using Molecular Beam Epitaxy

The indirect nature of the fundamental energy gap in the elemental semiconductors Si and Ge prevents the use of these materials and their alloys in laser devices. The...

Briefs

Materials

Solar and Thermal Energy Harvesting Textile Composites for Aerospace Applications

The proposed research focuses on developing novel energy harvesting devices that can be integrated with loadbearing structures in an air vehicle (e.g. a UAV)....

Briefs

Materials

Size Scale and Defect Engineered Nanostructures for Optimal Strength and Toughness

Realistic combinations of ceramics and/or semiconductors have been developed that simultaneously achieve high hardness (>40 GPa) and toughness (>400 MPa*m^1/2). To achieve this goal, there were three primary objectives: (1) the development of physically...

Briefs

Materials

Tunable Infrared Material System

The objective of this work was to lay the groundwork for the development of a new tunable II-VI infrared (IR) material system using mature III-V semiconductors as lattice-matched substrates. Mercury cadmium selenide (HgCdSe) was studied as an alternative to mercury cadmium telluride (HgCdTe) as an IRdetecting...

Articles

RF & Microwave Electronics

Ultra-Wide-Band Radar Imaging for Activity Detection

The continuing advancement of semiconductor manufacturing technology to process high-speed UltraWide-Band (UWB) signals has enabled radar technology to become more versatile and applicable...

Briefs

Electronics & Computers

Gallium Nitride High-Power Electronics

Gallium nitride (GaN) high-power electronic (HPE) devices have the potential to outperform those made from 4H-silicon carbide (SiC), the polytype used for HPE devices, because it has a larger critical...

Briefs

Materials

Room-Temperature Sub-Diffraction-Limited Plasmon Laser

Lasers present the means to deliver powerful, coherent, and directional high-frequency electromagnetic energy. However, the diffraction limit of light imposes fundamental constraints on...

Briefs

Materials

Fundamental Interaction Between Gold Nanoparticles and DNA

Quantum dots (QDs) and nanoparticles (NPs) are made of metal and/or semiconductor materials with diameters ranging from 5 to 100 nm. The properties of these nanomaterials, which depend on their size and the material they are made from, are usually completely different than the properties...

Briefs

Sensors/Data Acquisition

Biodegradable MEMS Based on Cellulose Paper

Electro-Active Paper(EAPap) has been recognized as a new smart material that can be used for sensors, actuators, biomimetic robots, and smart wallpapers. EAPap is made with cellulose paper by...

Briefs

Electronics & Computers

Magnetic Random Access Memory Integrated Passive Components

An embedded magnetic memory technology was developed to be integrated into a Complementary Metal Oxide Semiconductor (CMOS) circuit fabrication process to provide radiation-hard...

Briefs

Electronics & Computers

Differential Amplifier Circuits Based on Carbon Nanotube Field Effect Transistors (CNTFETs)

Since their discovery, carbon nanotubes (CNTs) have been extensively studied for their great potential in a variety of applications. Several desirable properties that CNTs possess include a high thermal conductivity, high electrical mobility, high...

Briefs

Electronics & Computers

Channel Field Effect Transistors

Narrow bandgap semiconductors offer high carrier mobilities and low contact resistances, while wide bandgap semiconductors offer high breakdown voltages. A series of heterojunction transistors has been investigated and proved to be effective for improving both speed and power output. These devices include double...

Briefs

Materials

Characterization of High-Temperature Polymer Thin Films for Power Conditioning Capacitors

Wide bandgap semiconductors (e.g., silicon carbide) will enable operation of military systems at temperatures above 150 °C, which eases thermal...

Briefs

Electronics & Computers

Dynamics of Epitaxy on Nano-Sized Semiconductor Surfaces

Semiconductor self-assembled quantum dots (QDs) have emerged as one of the simplest subjects for exploring and exploiting the physics and device applications of charge carriers and...