Magnetics

News and Updates

Tiny red cylinder probes are presented in front of a much larger ice cube.

Spotlight: Shape-Shifting Probes Will Help Improve MRI Imaging

April 12, 2024

Not all gems are the precious stone kind. In the field of magnetic resonance imaging (MRI), a type of microscopic magnetic probes called geometrically encoded

NIST Researchers Use Cellphone Compass to Measure Tiny Concentrations of Compounds Important for Human Health

April 1, 2024

Nearly every modern cellphone has a built-in compass, or magnetometer, that detects the direction of Earth’s magnetic field, providing critical information for

NIST’s Ultra-small, Shape-shifting GEMS Offer an Easier and Cheaper way to improve MRI Imaging

December 20, 2023

Microscopic magnetic probes that change shape in response to their environment may greatly enhance magnetic resonance imaging (MRI). However, producing the

Projects and Programs

A current (white arrow) flowing through a tantalum film generates a current of spins (dark blue arrows) that impinges on the ferromagnetic cobalt iron boron layer and causes the magnetization (gold arrow) to charge directions (light blue arrow).

Theory of Spin-Orbit Torque

Ongoing

The working of countless electronic devices involves electric and magnetic effects interacting within nanostructured materials. In the phenomenon known as spin

Neuromorphic systems

Ongoing

Neuromorphic systems are required to develop cognitive processors as well as to understand how the brain works and how to measure brain function and dysfunction

SMART Contrast Agents

Ongoing

SMART contrast agent project develops multifunctional imaging contrast agents including nano-fabricated agents that can sense and report local properties.

Optical and Microwave Spectroscopy of Microelectronic Systems

Ongoing

The Optical and Microwave Spectroscopy of Microelectronic Systems program in the Spin Electronics group applies best-in-the-world and novel microwave and

Publications

Measurement-driven Langevin modeling of superparamagnetic tunnel junctions

March 19, 2024

Author(s)

Liam Pocher, Temitayo Adeyeye, Sidra Gibeault, Philippe Talatchian, Ursula Ebels, Daniel Lathrop, Jabez J. McClelland, Mark Stiles, Advait Madhavan, Matthew Daniels

Superparamagnetic tunnel junctions are important devices for a range of emerging technologies, but most existing compact models capture only their mean

Single-Phase L10-Ordered High Entropy Thin Films with High Magnetic Anisotropy

November 11, 2023

Author(s)

Willie Beeson, Dinesh Bista, Huairuo Zhang, Sergiy Krylyuk, Albert Davydov, Gen Yin, Kai Liu

The vast high entropy alloy (HEA) composition space is promising for discovery of new material phases with unique properties. We explore the potential to

Angular dependence of spin-orbit torque in monolayer Fe3GeTe2

October 18, 2023

Author(s)

Fei Xue, Mark Stiles, Paul M. Haney

Neural networks three ways: unlocking novel computing schemes using magnetic tunnel junction stochasticity

September 28, 2023

Author(s)

Matthew Daniels, William Borders, Nitin Prasad, Advait Madhavan, Sidra Gibeault, Temitayo Adeyeye, Liam Pocher, Lei Wan, Michael Tran, Jordan Katine, Daniel Lathrop, Brian Hoskins, Tiffany Santos, Patrick Braganca, Mark Stiles, Jabez J. McClelland

Due to their interesting physical properties, myriad operational regimes, small size, and industrial fabrication maturity, magnetic tunnel junctions are

Awards

2016 IEEE Fellow - Thomas Silva

For contributions to the understanding and applications of magnetization dynamics.

Russek named 2014 APS Fellow

Congratulations to Stephen Russek (Magnetic Imaging) for being selected a Fellow of the American Physical Society (APS) for 2014. He was