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Condensed Matter May 12, 2022

Ultrafast dynamics of topological material probed under pressure

A team led by Prof. Su Fuhai from the Hefei Institutes of Âé¶¹ÒùÔºical Science (HFIPS) of the Chinese Academy of Sciences (CAS), together with researchers from the Aerospace Information Research Institute, and the Center for ...

Materials Science May 10, 2022

Hidden distortions trigger promising thermoelectric property

In a world of materials that normally expand upon heating, one that shrinks along one 3-D axis while expanding along another stands out. That's especially true when the unusual shrinkage is linked to a property important ...

Materials Science Apr 28, 2022

Developing inorganic lead-free perovskite for broadband emission

Artificial lighting accounts for one-fifth of global electricity consumption, and developing efficient and stable luminescence materials is critical to avoid unnecessary waste of electric energy. The single emitters with ...

Nanophysics Apr 27, 2022

From conventional to strange metal behavior in magic-angle twisted bilayer graphene

Magic-angle twisted bilayer graphene (MATBG) is a graphene-based material with a unique structure, consisting of two graphene sheets layered on top of each other with a misalignment of approximately 1.1°. This unique structure ...

Superconductivity Apr 25, 2022

Electronic structure study of kagome metals bolsters understanding of correlated phenomena

So-called kagome metals, named after the Japanese woven bamboo pattern their structure resembles, feature symmetrical patterns of interlaced, corner-sharing triangles. This unusual lattice geometry and its inherent features ...

Quantum Âé¶¹ÒùÔºics Apr 22, 2022

New hardware integrates mechanical devices into quantum tech

Stanford University researchers have developed a key experimental device for future quantum physics-based technologies that borrows a page from current, everyday mechanical devices.

Optics & Photonics Apr 22, 2022

Atomic terahertz-vibrations solve the enigma of ultrashort soliton molecules

Stable packets of light waves—called optical solitons—are emitted in ultrashort-pulse lasers as a chain of light flashes. These solitons often combine into pairs with very short temporal separation. Introducing atomic ...

Analytical Chemistry Apr 14, 2022

Predicting the most stable boron nitride structure with quantum simulations

Boron nitride (BN) is a versatile material with applications in a variety of engineering and scientific fields. This is largely due to an interesting property of BN called "polymorphism," characterized by the ability to crystallize ...

Quantum Âé¶¹ÒùÔºics Apr 12, 2022

Method to control magnetic behavior in quantum material

Magnetism, one of the oldest technologies known to humans, is at the forefront of new-age materials that could enable next-generation lossless electronics and quantum computers. Researchers led by Penn State and the University ...

Condensed Matter Apr 1, 2022

Persistent swinging of electrons between atomic sites in crystals

This crystal lattice consists of a large number of unit cells with an identical atomic arrangement. In the elementary adiabatic picture, the motions of electrons in the crystal follow the motion of the atomic nuclei instantly, ...

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