Search results for sp3 hybridization

Nanomaterials Apr 28, 2022

Beyond van der Waals: The next generation of covalent 2D-2D heterostructures

A team of scientists have "velcroed" 2D structures of MoS2 and graphene using a covalent connection for the first time. The 2D-2D structures were used to build robust field effect transistors with controlled electronic communication, ...

Materials Science Dec 27, 2021

Directing group-free alkene dicarbofunctionalization through catalyst control

NUS chemists have developed a new "catalyst control" blueprint to overcome a longstanding challenge in the site-selective dicarbofunctionalization of unactivated alkenes, by enabling the reaction to proceed in the absence ...

Nanophysics Nov 28, 2021

Creating a less fragile diamond using fullerenes

A team of researchers from China, Germany and the U.S. has developed a way to create a less fragile diamond. In their paper published in the journal Nature, the group describes their approach to creating a paracrystalline ...

Nanomaterials Dec 3, 2020

Physicists describe a new type of amorphous solid bodies

Many substances with different chemical and physical properties, from diamonds to graphite, are made up of carbon atoms. Amorphous forms of solid carbon do not have a fixed crystal structure and consist of structural units—nanosized ...

Condensed Matter Jul 1, 2020

Researchers building a harder diamond, called pentadiamonds

Researchers at the University of Tsukuba used computer calculations to design a new carbon-based material even harder than diamond. This structure, dubbed "pentadiamond" by its creators, may be useful for replacing current ...

Nanomaterials Mar 5, 2020

New carbon-based nanomaterial: Facile diamond synthesis from lower 'diamondoids'

In a new report published in Science Advances, Sulgiye Park and a research team in geological sciences, materials and energy sciences, advanced research and advanced radiation sources in the U.S. and Beijing, China, developed ...

Condensed Matter Jul 12, 2019

Creating two-dimensional layered Zintl phase by dimensional manipulation of the crystal structure

The discovery of new families of two-dimensional (2-D) layered materials beyond graphene has always attracted great attention, but it remains challenging to artificially recreate the honeycomb atomic lattice structure with ...

Nanomaterials Nov 8, 2016

'Pressure-welding' nanotubes creates ultrastrong material

Researchers from the Moscow Institute of Physics and Technology (MIPT), Technological Institute for Superhard and Novel Carbon Materials (TISNCM), Lomonosov Moscow State University (MSU), and the National University of Science ...

Materials Science Nov 2, 2016

Carbon-carbon bond formation at selective aliphatic carbon sites

(Phys.org)—John C. K. Chu and Tomislav Rovis of Colorado State University and Columbia University have devised a strategy for C-C bond formation at inert tertiary C-H bonds of amides. This reaction involves cleavage of ...

Condensed Matter Jan 5, 2016

Criteria to predict experimentally stable allotropes

(Phys.org)—A group of researchers from France, the U.K. and Florida proposes criteria to determine whether an allotrope is experimentally feasible. They use theoretical carbon allotropes, penta-graphene and Haeckelites, ...

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