Applied Physics Letters

News

26 Jul 2023
Researchers from Osaka University use quasi-elastic neutron scattering to get a close look at the behavior of water molecules in a semiclathrate hydrate crystal. They found that the molecules showed fast reorientation with an activation energy similar to that of cleaving a hydrogen bound. This rapid relaxation time in the solid electrolyte is expected to lead to efficient, cost-effective, and safe applications for semiclathrate hydrates in batteries and thermal storage materials.
12 May 2023
An international research group has developed a new surface coating technology that is capable of significantly increasing electron emission in materials. Their breakthrough is expected to improve the production of high-efficiency electron sources, and lead to increased performances in electron microscopes, electron beam lithography systems, and synchrotron radiation facilities.
25 Nov 2022
A research team at Osaka Metropolitan University has developed a microelectromechanical system (MEMS) piezoelectric vibration energy harvester, which is only about 2 cm in diameter with a U-shaped metal vibration amplification component. The device allows for an increase of approximately 90 times in the power generation performance from impulsive vibration. Since the power generation performance can be improved without increasing the device size, the technology is expected to generate power to drive small wearable devices from non-steady vibrations, such as walking motion.
04 Jan 2022
Researchers at Kanazawa University report in Applied Physics Letters the design of an ultrafast amplitude detector for use in high-speed atomic force microscopy. The detector will enable the real-time recording of fast dynamical processes of biomolecules.
29 Oct 2020
Tohoku University researchers have revealed more details about omnidirectional photoluminescence (ODPL) spectroscopy - a method for probing semiconducting crystals with light to detect defects and impurities.
25 Sep 2020
A two-in-one technology provides 3D images of structural defects, such as those that can develop in aircraft and power plants.
30 Jul 2020
Researchers have solved a major problem for optical wireless communications - the process by which light carries information between cell phones and other devices. Light-emitting diodes (LEDs) pulse their light in a coded message that recipient devices can understand.
01 Nov 2019
A research team led by Professor Wei-Hsin Liao from the Department of Mechanical and Automation Engineering, The Chinese University of Hong Kong (CUHK) has developed a lightweight smart materials-based energy harvester for scavenging energy from human motion, generating inexhaustible and sustainable power supply just from walking. Specifically, the device can capture biomechanical energy from the motion of the human knee and then convert it to electricity which can be used to power wearable electronics such as pedometers, health monitors, and GPS. This work has been published in Applied Physics Letters and recommended as a featured article by editors.
Understanding high efficiency of deep ultraviolet LEDs
25 Feb 2019
Deep ultraviolet light-emitting diodes (DUV-LEDs) made from aluminium gallium nitride (AlGaN) efficiently transfer electrical energy to optical energy due to the growth of one of its bottom layers in a step-like fashion. This finding, published in the journal Applied Physics Letters, can lead to the development of even more efficient LEDs.
28 Jan 2019
Combining a polymer and microparticles enables a new type of capacitor that could mimic the way the brain processes information.
31 Oct 2006
The research team from a joint research program of Tokyo University of Science (TUS)and the Japan Science and Technology Agency have succeeded in producing hydrogen from water through the use of gallium nitride (GaN) crystals for the first time.

Events

Sorry, no events coming up for this topic.

Researchers

Sorry, no researchers coming up for this topic.

Giants in history

Sorry, no researchers coming up for this topic.