Keyword: Magnetic materials

Briefs: Electronics & Computers
Multifunctional magnetoelectric materials with high exchange represent a missing “holy grail” of materials physics.
Briefs: Photonics/Optics

The magneto-optical (MO) oxide layer consists of (Bi,Y)3Fe5O12 or BiYIG, bismuth garnet. This material was selected because it has a better...

Briefs: Materials

The development of transition metal-based molecules and materials that can be switched between low-spin and high-spin...

Briefs: Sensors/Data Acquisition

Hazardous ordnance items are present along coastlines and in rivers and lakes in waters shallow enough to cause...

Briefs: Aerospace

An energized electric power cable generates low-frequency electric and magnetic fields that are related to the voltages and currents. Especially at wavelengths...

Briefs: Defense

Currently small boat combatant design focuses primarily on speed and maneuverability. It would be advantageous to expand these capabilities to include reduced radar...

Briefs: Defense

The Army Research Laboratory Power-Line Unmanned Aerial Vehicle (UAV) Modeling and Simulation (ARL-PLUMS) Software Tool allows a user to model, compute, and analyze the quasistatic electric and magnetic...

Briefs: Defense

Hull, deck plate, and tank inspection for corrosion, deformation, and fractures is a necessary part of ship maintenance to ensure functional integrity and proper operation of the...

INSIDER: Electronics & Computers

A research group from ITMO University and the Hebrew University of Jerusalem have invented unique conductive magnetic films that will be applied to transparent data storage, flexible...

Briefs: Materials
Fabricating Porous Systems for Super-Dense Memories and Sensors

This project was dedicated to solving basic scientific issues and developing the scientific basis that underlies the improvement of super-dense memories, towards the terabit-per-square-inch goal and the engineering of chemical and biological sensors. Both applications rely on porous...

Briefs: RF & Microwave Electronics

During the Apollo Program, astronauts on the Moon encountered a small menace that created big problems: lunar dust. Similar to how tiny bits of Styrofoam behave on Earth — adhering to...

Briefs: Materials

Recent years have seen a burgeoning interest in the physics and applications of metamaterials. Briefly, metamaterials consist of a periodic array of subwavelength structures that...

Briefs: Sensors/Data Acquisition

An oscillating current flowing through a coil produces an oscillating magnetic field. When an electrically conducting material like a metal is brought...

Briefs: Manufacturing & Prototyping
Operation and On-Chip Integration of Cavity-QED-Based Detectors for Single Atoms and Molecules

A new experimental platform for studies of transport and quantumlimited measurements of cold, trapped atomic gases was constructed. Using microfabrication processes, a silicon wafer was micromachined to allow for deposition of micrometer-scale...

Briefs: Semiconductors & ICs

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: Materials

High-temperature superconducting (HTS) YBCO wire is a versatile technology for a number of military and commercial applications. However, anticipated military applications such as...

Articles: Aerospace

The James Webb Space Telescope (JWST), the next big telescope at NASA, will be placed at a stable Lagrange point approximately 1 million miles from the Earth. This telescope is the next stepping...

Briefs: Materials
Synthesis of Long-Chain-Branched (LCB) Polysulfones for Multifunctional Transport Membranes

Increasing numbers of technologies are based on the idea of harnessing charge transport for useful processes such as energy harvesting, actuation, and sensing. Although much progress exists based on perfluorosulfonated platforms, new and more complicated...

Briefs: Materials
Dynamic Response and Failure Mechanisms of Layered Ceramic-Elastomer-Polymer/Metal Composites

A thorough study through a combination of ballistic and impact experiments, microscopic failure characterization, and numerical simulations has been carried out in order to decipher the underlying mechanisms involved in the interaction between a blast...

Briefs: Electronics & Computers

The separation of high-temperature superconducting (HTS) tapes in filaments is a viable approach to reduce AC losses in HTS high-power...

Briefs: Physical Sciences

Energy-efficient cooling technology is extremely important in today’s society, considering the need for energy conservation and the urgent need to mitigate global warming. Near-room-temperature...

Briefs: Electronics & Computers

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: Mechanical & Fluid Systems

Induction motors often are the preferred choice among industrial motors due to the modern power electronics that improve their speed control. Vitally...

Briefs: Materials
RF Polymer Composites for Electromagnetic Systems

Design of polymer composites with specific engineered electromagnetic properties are of use in a variety of physical electromagnetic systems above 100 MHz. In physical electromagnetic systems such as GPS, radomes, WiFi, etc., proper choice of the material can be transformative in that it can...

Articles: Aerospace

Improvised explosive devices (IEDs) are rudimentary bombs that generally consist of commonly found non-military materials. Although common IED threats include roadside bombs, suicide...

Briefs: Mechanical & Fluid Systems

An axial field electric motor comprises one or more elements such as a rotor mounted for rotation and multiple axial flux permanent magnets carried by the rotor. The axial flux permanent magnets are oriented such...

Briefs: Materials

This technique uses nanocluster assembly to produce model soft magnetic materials with simpler chemical composition than existing materials and well-controlled nanostructure,...

Briefs: Photonics/Optics

A study was performed to evaluate the performance of a recently developed type of Fe-based spin-light-emitting diodes (spin-LEDs) that incorporate wetting layers (WLs). [The term "wetting...