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Nanomaterials Jul 29, 2024

Researchers realize multi-heterojunctioned plastics with high thermoelectric figure of merit

Organic thermoelectric materials hold great promise as flexible energy sources for the Internet of Things and wearable electronics. However, their relatively low dimensionless figure of merit (ZT) compared to traditional ...

Materials Science Jul 22, 2024

A novel thermal insulation material for ultra-high temperature applications: Hierarchical porous high-entropy ceramics

Thermal insulation material is a critical part of the thermal protection system (TPS) of hypersonic vehicles. Recently, high-entropy ceramics have attracted great attention in thermal insulation for their low thermal conductivity ...

Condensed Matter Jul 17, 2024

AI method radically speeds predictions of materials' thermal properties

It is estimated that about 70% of the energy generated worldwide ends up as waste heat.

Nanophysics Jul 15, 2024

Atomically thin transducers could one day enable quantum computing at room temperature

Quantum computers have to be kept cold to function—very cold. These machines generally run at "just a few degrees above absolute zero," says Yoseob Yoon, assistant professor of mechanical and industrial engineering at Northeastern ...

Optics & Photonics Jul 9, 2024

Photons from quantum dot emitters violate Bell inequality in new study

A new study in Nature Physics demonstrates a novel method for generating quantum entanglement using a quantum dot, which violates the Bell inequality. This method uses ultra-low power levels and could pave the way for scalable ...

Condensed Matter Jul 8, 2024

The forbidden propagation of hyperbolic phonon polaritons and applications in near-field energy transport

A new publication in Opto-Electronic Science discusses forbidden propagation of hyperbolic phonon polaritons and applications in near-field energy transport.

Optics & Photonics Jul 8, 2024

Boosting UV light absorption in 2D semiconductor with quantum dot hybrids for enhanced light emission

A new publication in Opto-Electronic Science discusses boosting UV light absorption in a 2D semiconductor with quantum dot hybrids for enhanced light emission.

Quantum Physics Jul 8, 2024

A new approach to realize quantum mechanical squeezing

Mechanical systems are highly suitable for realizing applications such as quantum information processing, quantum sensing and bosonic quantum simulation. The effective use of these systems for these applications, however, ...

Nanophysics Jul 3, 2024

Genetic algorithm enables precise design of phononic crystals

The advent of quantum computers promises to revolutionize computing by solving complex problems exponentially more rapidly than classical computers. However, today's quantum computers face challenges such as maintaining stability ...

Nanophysics Jul 2, 2024

The demonstration of vacuum levitation and motion control on an optical-electrostatic chip

The levitation of microscopic objects in vacuum and the control of their movements while they are suspended was first demonstrated several decades ago. Since then, various research groups have been working on new approaches ...

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