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New super-conductors could take data beyond zeroes and ones

Researchers have developed conducting systems that control electron spin and transmit a spin current over long distances without ultra-cold temperatures. This breakthrough enables the creation of new technologies for encoding and transmitting information at room temperature.

SourceDuke University·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateFeb 1, 2022

SLAC and Stanford researchers reveal the fourth signature of the superconducting transition in cuprates

Scientists confirmed the fourth signature of superconducting transition in cuprates, revealing how electrons pair up and condense into a quantum condensate. The discovery provides a holistic picture of unconventional superconductivity and gives researchers two knobs to tune for higher temperatures.

SourceDOE/SLAC National Accelerator Laboratory·JournalNature·TypeExperimental study·DateJan 26, 2022

Researchers propose new method for electrocatalytic hydrogenation of acetylene to ethylene under room temperature

Researchers develop highly efficient electrocatalytic hydrogenation of acetylene to ethylene under room temperature, using water as a hydrogen source and reducing energy consumption. The process achieves high Faradaic efficiency and selective ethylene production via electron-coupled proton transfer pathways.

SourceDalian Institute of Chemical Physics, Chinese Academy Sciences·JournalNature Communications·TypeCommentary/editorial·DateDec 8, 2021

Ultra-thin crystals as light sources in lasers

Researchers have successfully demonstrated laser emission from ultra-thin crystals consisting of three atomic layers, a breakthrough that could lead to miniaturized circuits and future quantum applications. The discovery showcases the potential of these materials as a platform for new nanolasers capable of operating at room temperature.

SourceUniversity of Oldenburg·JournalNature Communications·TypeExperimental study·DateNov 4, 2021

Sandwich-style construction: Towards ultra-low-energy exciton electronics

Australian researchers have made a significant step towards ultra-low energy electronics by demonstrating the dissipationless flow of exciton polaritons at room temperature. The breakthrough involves placing a semiconductor material between two mirrors, allowing the excitons to propagate without losing energy.

SourceARC Centre of Excellence in Future Low-Energy Electronics Technologies·JournalNature Communications·TypeExperimental study·DateOct 3, 2021

Quantum dots enable infrared lasing at room temperature for silicon photonics

Colloidal quantum dot technology enables infrared lasing at room temperature, paving the way for low-cost solution-processed and CMOS integrated lasing sources. The breakthrough discovery may facilitate fully integrated silicon photonics, enabling lower power consumption, higher data rates, and multi-spectral 3D imaging capabilities.

SourceICFO-The Institute of Photonic Sciences·JournalNature Photonics·TypeMeta-analysis·DateSep 29, 2021

New cerium superhydrides become stepping stones to ‘Goldilocks’ superconductors

Scientists have discovered two new cerium superhydrides, CeH9 and CeH10, which exhibit superconductivity at lower pressures than previously known compounds. This breakthrough brings researchers closer to creating room-temperature superconductors with more manageable pressure conditions.

SourceSkolkovo Institute of Science and Technology (Skoltech)·JournalPhysical Review Letters·TypeExperimental study·DateSep 13, 2021

Light does the twist for quantum computing

Researchers generate circularly polarized light at room temperature, a breakthrough for optical quantum information processing. The device uses strained semiconductors to produce twisting 'chiral' valley-polarized light, promising vast data storage capabilities.

SourceNagoya University·JournalAdvanced Materials·TypeExperimental study·DateSep 13, 2021

The era of single-spin color centers in silicon carbide is approaching

Researchers from USTC created a divacancy color center array and achieved spin-coherent manipulation of a single divacancy color center at room temperature. The spin color centers showed excellent properties comparable to the diamond NV center, with a 30% spin readout contrast and extended coherence time of up to 23 microseconds.

SourceUniversity of Science and Technology of China·JournalNational Science Review·DateJul 19, 2021

The pressure is off and high temperature superconductivity remains

Researchers demonstrate superconductivity in iron selenide crystals without applied pressure using a new pressure-quench technique. The method retains the high-temperature superconductive phase even after removing the applied pressure, bringing scientists closer to realizing room-temperature superconductivity at ambient pressure.

SourceUniversity of Houston·JournalProceedings of the National Academy of Sciences·DateJul 8, 2021

TPU scientists: Effective application of power transformers to reduce cost of electrical energy

The researchers developed a new method for assessing the loading capacity of power transformers, taking into account temperature fluctuations. The study found that using this method, operators can control power systems with higher transfer capabilities, postponing investments in replacing transformers and allowing end-users to use chea...

SourceTomsk Polytechnic University·JournalInternational Journal of Electrical Power & Energy Systems·DateMay 19, 2021

How metal atoms can arrange themselves on an insulator

Researchers at Bielefeld University have successfully arranged individual metal atoms on an insulator surface at room temperature. The ordered structure is created because the molybdenum acetate molecules align precisely with the charge distribution on the calcite surface, firmly anchoring them in place.

SourceBielefeld University·JournalNature Communications·DateFeb 4, 2021

Curtin find could slash energy use and cost in making silicon

Researchers have discovered a method to produce silicon at room temperature using electrical currents instead of extreme heat, which could slash energy use and cost in the industry. This technique replaces thermochemical processes with electrochemical processes, converting clean electricity into chemical energy.

SourceCurtin University·JournalJournal of the American Chemical Society·DateJan 20, 2021

New kind of superconductivity discovered

Scientists have demonstrated a novel material that exhibits superconductivity in the form of a Bose-Einstein condensate (BEC), bridging a gap between two previously thought incompatible methods. This breakthrough could lead to new understanding and applications of superconduction, including potentially room-temperature devices.

SourceUniversity of Tokyo·JournalScience Advances·DateNov 6, 2020

Nanoearthquakes control spin centers in SiC

Researchers have demonstrated the use of elastic vibrations to manipulate the spin states of optically active color centers in SiC at room temperature. The findings show a non-trivial dependence on the spin quantization direction, enabling chiral spin-acoustic resonances and full control of spin states without external microwave fields.

SourceForschungsverbund Berlin·JournalPhysical Review Letters·DateSep 4, 2020

Unusual electron sharing found in cool crystal

Researchers at Nagoya University found a highly unusual atomic configuration in a tungsten-based material, where three atoms share only two electrons to form a tritungsten molecule. This discovery suggests the potential for compounds with new and interesting electronic properties.

SourceNagoya University·JournalNature Communications·DateJul 31, 2020