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Search results for van der Waals materials

Nanomaterials Mar 24, 2023

Microwave-driven exfoliation of MoS2 produces large flakes with high yields

A team of researchers has developed a new method for exfoliating MoS2 flakes that produces very large and very thin flakes with high yield. The microwave-assisted exfoliation yields 50 times more flakes than those obtained ...

Condensed Matter Mar 23, 2023

Electronic phase diagram established in Fe intercalated Weyl semimetal Td-MoTe2 for the first time

In a study published in Advanced Materials, a research team led by Prof. Luo Xuan from Hefei Institutes of Âé¶¹ÒùÔºical Science (HFIPS) of the Chinese Academy of Sciences made a breakthrough in tuning electronic properties of ...

Space Exploration Mar 22, 2023

Measuring the cohesive force of meteorite fragments to identify the mobility of asteroids

The cohesive force of asteroid particles influence microgravity and can be evaluated under several assumptions of particle size and their sensitivity to particle shape. Approximately hundreds of kilograms of material fall ...

Condensed Matter Mar 3, 2023

Destroying the superconductivity in a kagome metal

A new RMIT-led international collaboration published in February has uncovered, for the first time, a distinct disorder-driven bosonic superconductor-insulator transition.

Nanophysics Feb 16, 2023

Frustrated ferromagnetic transition in AB-stacked honeycomb bilayer

In two-dimensional (2D) ferromagnets, anisotropy is essential for the magnetic ordering as dictated by the Mermin-Wagner theorem. The recently discovered van der Waals ferromagnets are largely considered to have uniaxial ...

Optics & Photonics Feb 16, 2023

An extension of the memristive system: From tunable conductance to reconfigurable photoresponse

In traditional vision systems, the optical information is captured by a frame-based digital camera, and then the digital signal is processed afterwards using machine-learning algorithms. In this scenario, a large amount of ...

Nanophysics Feb 14, 2023

Gate-tunable nanoscale negative refraction of polaritons demonstrated in van der Waals heterostructure

A new study led by Dai Qing's team from the National Center for Nanoscience and Technology (NCNST) of the Chinese Academy of Sciences (CAS) and Javier Abajo from the Institute of Photonic Sciences (ICFO) in Spain has shown ...

Nanophysics Feb 3, 2023

Two/quasi-two-dimensional perovskite-based heterostructures: Construction, properties and applications

Van der Waals heterostructures integrated from various two-dimensional (2D) layered materials provide fundamental building blocks for optoelectronic devices with novel functionalities, such as photovoltaic solar cells, light ...

Astronomy Feb 1, 2023

Numerical simulations of planetesimal formation reproduce key properties of asteroids, comets

With simulations that go into finer details than ever before, Brooke Polak of the University of Heidelberg and Hubert Klahr at the Max Planck Institute for Astronomy (MPIA) have modeled a key phase in the formation of planets ...

Nanophysics Jan 19, 2023

Researchers create 2D quantum light source from layered materials

Recent advances in spontaneous parametric down-conversion (SPDC)-based quantum light sources based on two-dimensional layered materials have been made by a team led by Prof. Ren Xifeng from the University of Science and Technology ...

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