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Chemistry-powered “breathing” membrane opens and closes tiny pores on its own

Researchers at The University of Osaka developed a solid-state analogue that enables the formation of subnanometer pores approaching biological ion-channel dimensions. The team demonstrated the opening and closing process hundreds of times, with spikes in current consistent with biological channels.

SourceThe University of Osaka·JournalNature Communications·TypeExperimental study·DateFeb 18, 2026

Powering wearable devices with high-performing carbon nanotube yarns

Scientists at Nara Institute of Science and Technology create flexible wearable thermoelectric generators that produce electricity from body heat using high-performing carbon nanotube yarns. The yarns, developed through a low-cost and environmentally friendly method, show three times higher power factor than previous CNT yarns.

SourceNara Institute of Science and Technology·JournalACS Applied Nano Materials·TypeExperimental study·DateMay 20, 2024
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Heterostructures developed at Purdue support predictions of counterpropagating charged edge modes at the v=2/3 fractional quantum Hall state

Researchers at Purdue University have developed heterostructures that support the prediction of counterpropagating charged edge modes at the v=2/3 fractional quantum Hall state. The team's experiment measured an electrical conductance equal to half the fundamental value of e^2/h, consistent with theoretical predictions.

SourcePurdue University·JournalPhysical Review Letters·DateFeb 23, 2023

Live wire: new research on nanoelectronics

A study by Arizona State University shows that certain proteins can act as efficient electrical conductors, outperforming DNA-based nanowires in conductance. The protein nanowires display better performance over long distances, enabling potential applications for medical sensing and diagnostics.

SourceArizona State University·JournalACS Nano·TypeExperimental study·DateFeb 24, 2022

Nanopores feel the heat

A team of researchers at Osaka University created a thermocouple made of gold and platinum nanowires to measure the temperature directly next to a nanopore. They found that thermal energy was dissipated in proportion to the momentum of the ionic flow, in line with Ohm's law predictions.

SourceOsaka University·JournalScience Advances·TypeExperimental study·DateFeb 11, 2022

Discovery of graphene switch

Researchers at Japan Advanced Institute of Science and Technology have successfully measured the current-voltage curve of graphene nanoribbons suspended between two electrodes. The study reveals that a critical bias voltage triggers an abrupt change in electrical conductance for zigzag GNRs, opening new possibilities for switching devi...

SourceJapan Advanced Institute of Science and Technology·JournalCarbon·DateJun 15, 2020

Antiaromatic molecule displays record electrical conductance

Researchers have discovered an organic material with record-high electrical conductance, exceeding that of traditional metals and semiconductors. The antiaromatic molecule displays superior conductivity due to its unique electronic structure, which allows it to efficiently transport electrons.

SourceTokyo Institute of Technology·JournalNature Communications·DateJul 19, 2017
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Manipulating molecules for a new breed of electronics

Scientists have successfully controlled the electrical conductance of a single molecule by manipulating its mechanical properties. The research uses a type of molecule called pentaphenylene and demonstrates that changing the tilt angle can increase conductance up to 10 times, thanks to lateral coupling effects.

SourceArizona State University·JournalNature Nanotechnology·DateFeb 20, 2011

Scientists find why conductance of nanowires vary

Scientists at Georgia Tech have found that the electrical conductance of metal nanowires varies due to a pair of atoms, known as a dimer, shuttling back and forth between the bulk electrical leads. This discovery has significant implications for the development of nanotechnology and nanodevices.

SourceGeorgia Institute of Technology·DateFeb 5, 2007