Search results for phonons

Condensed Matter May 9, 2024

New study reveals phonon properties of β-MoB₂ single crystal

According to research published in Physical Review Research, a research team led by Prof. Luo Xuan from the Hefei Institutes of Physical Science of the Chinese Academy of Sciences discovered the existence of stacking faults ...

Nanophysics May 7, 2024

Researchers 'unzip' 2D materials with lasers

In a new paper published on May 1 in the journal Science Advances, researchers at Columbia Engineering used commercially available tabletop lasers to create tiny, atomically sharp nanostructures, or nanopatterns, in samples ...

Nanophysics May 6, 2024

Ultrathin samples with surface phonon polariton enhance photoinduced dipole force

A new study has been led by Prof. Xing-Hua Xia (State Key Lab of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University). While analyzing the infrared photoinduced force response ...

Nanophysics May 3, 2024

Tweaking isotopes sheds light on promising approach to engineer semiconductors

Research led by scientists at the Department of Energy's Oak Ridge National Laboratory has demonstrated that small changes in the isotopic content of thin semiconductor materials can influence their optical and electronic ...

Condensed Matter May 2, 2024

Good vibrations: Low-energy lasers induce atomic excitation in semiconductor materials

Semiconductors are a cornerstone of next-generation technology, so a new method to excite atoms in semiconductor materials is likely to excite a broad range of researchers and industries as well.

Condensed Matter Apr 26, 2024

Enhanced superconductivity in monolayer FeSe films on SrTiO₃(001) via metallic δ-doping

Interface engineering has been proven to be effective in discovering new quantum states, such as topological states, superconductivity, charge density waves, magnetism, etc., which require atomic-scale heterostructure fabrication. ...

Condensed Matter Apr 25, 2024

Quasi-2D spin-Peierls transition through interstitial anionic electrons in K(NH₃)₂

In a paper published in Science Bulletin, a Chinese team of scientists predicts a novel electride K(NH3)2, with interstitial electrons distributed at cages formed by six ammonia molecules and forming a quasi-2D triangular ...

Ecology Apr 25, 2024

How do birds flock? Researchers do the math to reveal previously unknown aerodynamic phenomenon

In looking up at the sky during these early weeks of spring, you may very well see a flock of birds moving in unison as they migrate north. But how do these creatures fly in such a coordinated and seemingly effortless fashion?

Optics & Photonics Apr 24, 2024

Lead-vacancy centers in diamond as building blocks for large-scale quantum networks

Much like how electric circuits use components to control electronic signals, quantum networks rely on special components and nodes to transfer quantum information between different points, forming the foundation for building ...

Analytical Chemistry Apr 24, 2024

Scientists develop novel liquid metal alloy system to synthesize diamond under moderate conditions

Did you know that 99% of synthetic diamonds are currently produced using high-pressure and high-temperature (HPHT) methods? A prevailing paradigm is that diamonds can only be grown using liquid metal catalysts in the "gigapascal ...

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