A team of researchers from Osaka University, Osaka Prefecture University, Osaka City University, and The University of Shiga Prefecture have found excitonic radiative decay faster than thermal dephasing at room temperature in zinc oxide (ZnO) thin films. These results, published recently in Physical Review Letters, will greatly reduce the thermal energy loss in optical operations.... PHYS.ORG · 1 week
Inorganic perovskite absorbers for use in thin-film solar cells  nanowerk · 4 weeks
Researchers succeeded in producing inorganic perovskite thin films at moderate temperatures using co-evaporation - making post-tempering at high temperatures unnecessary. The process makes it much easier to produce thin-film solar... more
New polymer films conduct heat instead of trapping it  SCIENCE DAILY · 4 weeks
Engineers have flipped the picture of the standard polymer insulator, by fabricating thin polymer films that conduct heat -- an ability normally associated with metals. In experiments, they found the... more
Inorganic perovskite absorbers for use in thin-film solar cells  SCIENCE DAILY · 4 weeks
A team has succeeded in producing inorganic perovskite thin films at moderate temperatures using co-evaporation - making post-tempering at high temperatures unnecessary. The process makes it much easier to produce... more
Inorganic perovskite absorbers for use in thin-film solar cells  PHYS.ORG · 4 weeks
A team at the Helmholtz-Zentrum Berlin has succeeded in producing inorganic perovskite thin films at moderate temperatures using co-evaporation - making post-tempering at high temperatures unnecessary. The process makes it... more
All-optical detection of interfacial spin transparency from spin pumping in {beta}-Ta/CoFeB thin films  Science Magazine · 4 weeks
Generation and utilization of pure spin current have revolutionized energy-efficient spintronic devices. Spin pumping effect generates pure spin current, and for its... more
Coating-boosted interfacial thermal transport for carbon nanotube array nano-thermal interface materials  nanowerk · 3 weeks
By applying a DLC/TiN coating to vertically aligned carbon nanotubes, scientists have reduced the thermal contact resistance between the array and the heat sink by a... more
Balancing the beam: Thermomechanical micromachine detects terahertz radiation  SCIENCE DAILY · 1 week
Researchers have developed a microelectromechanical device that detects terahertz radiation at room temperature. This device is easy to use, much faster than conventional thermal sensors, highly sensitive, and can be incorporated into... more
New polymer films conduct heat instead of trapping it  PHYS.ORG · 4 weeks
Polymers are usually the go-to material for thermal insulation. Think of a silicone oven mitt, or a Styrofoam coffee cup, both manufactured from polymer materials that are excellent at trapping... more
Room temperature nanocavity laser with interlayer excitons in 2D heterostructures  Science Magazine · 4 weeks
Atomically thin layered two-dimensional (2D) materials have provided a rich library for both fundamental research and device applications. Bandgap engineering and controlled material response can be achieved from... more
Response to Comment on "Quantifying hot carrier and thermal contributions in plasmonic photocatalysis"  Science Magazine · 3 weeks
Sivan et al. claim that the methods used to distinguish thermal from hot carrier effects in our recent report are inaccurate and... more
Comment on "Quantifying hot carrier and thermal contributions in plasmonic photocatalysis"  Science Magazine · 3 weeks
Zhou et al. (Reports, 5 October 2018, p. 69) claim to have proven dominance of "hot" electrons over thermal effects in plasmonic photocatalysis. We identify experimental... more
STEVE: Researchers Identify Mechanisms that Cause Rare Atmospheric Phenomenon  SCI-NEWS.COM · 4 weeks
STEVE (Strong Thermal Emission Velocity Enhancement) is a thin ribbon of pinkish-red or mauve-colored light stretching from east... more
Genetic makeup does not predispose people to tooth decay, study finds  NEWS MEDICAL · 4 weeks
A new study has found genetic makeup does not predispose people to tooth decay, however the research did find that children with overweight mothers are more... more
Momentum grows for nuclear thermal propulsion  SPACE NEWS · 3 days
With congressional funding and industry support, nuclear thermal propulsion technology is making progress for potential use on future NASA deep space missions, although how... more
Balancing the beam: Thermomechanical micromachine detects terahertz radiation  nanowerk · 1 week
Researchers have developed a microelectromechanical device that detects terahertz radiation at room temperature. This device is easy to use, much faster than conventional thermal sensors, highly sensitive, and can be incorporated into... more
Improving the performance of carbon nanotube fibers  nanowerk · 4 days
Carbon nanotube (CNT) fiber is an important one-dimensional macroscopic material. The directional assembly of CNTs can help the fiber realize high mechanical, high electrical and high thermal performance. By introducing thermosetting polymer between the... more
Superconductor films convert heat into electricity  nanowerk · 1 day
Films of a superconductor show excellent thermoelectric properties at very low film thicknesses. more
New Flatland material: Physicists obtain quasi-2D gold  PHYS.ORG · 2 days
Researchers from the MIPT Center for Photonics and 2-D Materials have synthesized a quasi-2-D gold film, revealing how materials not usually classified as two-dimensional can form atomically thin layers. Published in Advanced Materials Interfaces,... more
High thermal conductivity of new material will create energy efficient devices  SCIENCE DAILY · 3 weeks
Researchers have successfully demonstrated the high thermal conductivity of a new material, paving the way for safer and more efficient electronic devices -- including mobile phones,... more
Ultra-thin superlattices from gold nanoparticles for nanophotonics  SCIENCE DAILY · 5 days
Researchers are creating ultra-thin, highly ordered layers of spherical hydrogel beads that encapsulate gold or silver particles. These structures are of interest for applications in optoelectronics -- light-based information and communication technology -- and... more
Scientists unlock the potential of ultra-thin 2-D materials  PHYS.ORG · 3 days
Scientists from The Australian National University (ANU) have, for the first time, demonstrated the maximum potential of ultra-thin 2-D materials to generate electricity using sunlight. more
Mars Odyssey Examines Phobos in Infrared Light  SCI-NEWS.COM · 2 weeks
On April 24, 2019, NASA’s Mars Odyssey orbiter captured a new thermal image of Phobos, the larger of Mars’ two moons. Each... more
Tracking ultrafast hot-electron diffusion in space and time by ultrafast thermomodulation microscopy  Science Magazine · 2 weeks
The ultrafast response of metals to light is governed by intriguing nonequilibrium dynamics involving the interplay of excited electrons and phonons. The coupling between... more
3D strain-induced superconductivity in La2CuO4+{delta} using a simple vertically aligned nanocomposite approach  Science Magazine · 4 weeks
A long-term goal for superconductors is to increase the superconducting transition temperature, TC. In cuprates, TC depends strongly on the out-of-plane Cu-apical oxygen distance... more
Enhancing superconductivity in SrTiO3 films with strain  Science Magazine · 4 weeks
The nature of superconductivity in SrTiO3, the first oxide superconductor to be discovered, remains a subject of intense debate several decades after its discovery. SrTiO3 is also an incipient ferroelectric, and several recent theoretical... more
Shrink films get a grip  PHYS.ORG · 3 weeks
Many people fondly remember playing with toys known as Shrinky Dinks—sheets of polystyrene plastic with shapes that kids can color, cut out and heat in an oven, where they shrink into thicker pieces of plastic. Now, researchers have... more
Do Zombies Decay the Same Way As Humans?  LIVE SCIENCE · 1 week
Do the zombies in AMC's "Fear the Walking Dead" look like real, decaying human corpses? more
'Stitching' together ultrastrong graphene films  nanowerk · 1 week
Graphene's outstanding mechanical and electrical properties make it a very attractive material for applications in aerospace and flexible electronics. This, however, requires the assembly of graphene into macroscopic graphene nanocomposites. Researchers report a novel strategy to 'stitch' reduced... more
Your genetic make-up has little impact on your dental health, new study finds  SCIENCE DAILY · 4 weeks
A new study estimates that one in three Australian children have tooth decay by the time they start school. more
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