Applied Physics Letters

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Laser-Based Ultrasound Approach Provides New Direction for Nondestructive Testing

WASHINGTON, D.C., September 3, 2019 — Many industrial buildings, including nuclear power plants and chemical plants, rely on ultrasound instruments that continually monitor the structural integrity of […]

Defrosting Surfaces in Seconds

WASHINGTON, D.C., August 30, 2019 — In the future, a delayed flight due to ice will be no cause for a meltdown. A group of researchers at […]

Harvesting Energy from the Human Knee

WASHINGTON, D.C., July 17, 2019 — Imagine powering your devices by walking. With technology recently developed by a group of researchers at the Chinese University of Hong […]

Sound Waves Bypass Visual Limitations to Recognize Human Activity

WASHINGTON, D.C., May 28, 2019 — Video cameras continue to gain widespread use to monitor human activities for surveillance, health care, home use and more, but there […]

Experimental Device Generates Electricity From the Coldness of the Universe

WASHINGTON, D.C., May 6, 2019 — The obvious drawback of solar panels is that they require sunlight to generate electricity. Some have observed that for a device […]

Ferromagnetic Nanoparticle Systems Show Promise for Ultrahigh-Speed Spintronics

WASHINGTON, D.C., March 28, 2019 — In the future, ultrahigh-speed spintronics will require ultrafast coherent magnetization reversal within a picosecond — one-trillionth of a second. Spintronics centers […]

Looking Back and Forward: A Decadelong Quest for a Transformative Transistor

WASHINGTON, D.C., March 13, 2019 — Smartphones contain billions of tiny switches called transistors that allow us to take care of myriad tasks beyond making calls — […]

Next-Gen Ultrafast Optical Fiber-Based Electron Gun to Reveal Atomic Motions During Transition State

WASHINGTON, D.C., October 9, 2018 — One of the most enduring “Holy Grail” experiments in science has been attempts to directly observe atomic motions during structural changes. […]

A ‘Recipe Book’ that Creates Color Centers in Silicon Carbide Crystals

WASHINGTON, D.C., October 1, 2018 — Silicon carbide (SiC), a material known for its toughness with applications from abrasives to car brakes, to high-temperature power electronics, has […]