Search results for AFM

Nanophysics May 30, 2013

First-ever high-resolution images of a molecule as it breaks and reforms chemical bonds

When Felix Fischer of the U.S. Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) set out to develop nanostructures made of graphene using a new, controlled approach to chemical reactions, the first ...

Nanophysics Sep 13, 2012

In world's first, atomic force microscope sees chemical bonds in individual molecules (w/ video)

(Phys.org)—IBM scientists have been able to differentiate the chemical bonds in individual molecules for the first time using a technique known as noncontact atomic force microscopy (AFM).

Nanophysics Oct 14, 2019

Scientists pinpoint cause of harmful dendrites and whiskers in lithium batteries

Scientists have uncovered a root cause of the growth of needle-like structures—known as dendrites and whiskers—that plague lithium batteries, sometimes causing a short circuit, failure, or even a fire.

General Physics Jul 5, 2019

First observation of native ferroelectric metal

In a paper released today in Science Advances, Australian researchers describe the first observation of a native ferroelectric metal: a native metal with bistable and electrically switchable spontaneous polarization states—the ...

Bio & Medicine May 28, 2015

Self-replicating nanostructures made from DNA

(Phys.org)—Is it possible to engineer self-replicating nanomaterials? It could be if we borrow nature's building blocks. DNA is a self-replicating molecule where its component parts, nucleotides, have specific chemical ...

Condensed Matter Jan 17, 2020

Walking with atoms—chemical bond making and breaking recorded in action

Ever since it was proposed that atoms are building blocks of the world, scientists have been trying to understand how and why they bond to each other. Be it a molecule (which is a group of atoms joined together in a particular ...

Analytical Chemistry Aug 16, 2019

Ring-shaped multi-carbon compound cyclocarbon synthesized

A team of researchers from Oxford University and IBM Research has for the first time successfully synthesized the ring-shaped multi-carbon compound cyclocarbon. In their paper published in the journal Science, the group describes ...

Nanophysics Apr 5, 2007

Nanogenerator provides continuous power by harvesting energy from the environment

Researchers have demonstrated a prototype nanometer-scale generator that produces continuous direct-current electricity by harvesting mechanical energy from such environmental sources as ultrasonic waves, mechanical vibration ...

Dec 4, 2007

New hypothesis for origin of life proposed

Life may have begun in the protected spaces inside of layers of the mineral mica, in ancient oceans, according to a new hypothesis.

Materials Science May 10, 2016

Atomic force microscope reveals molecular ghosts

To the surprise of chemists, a new technique for taking snapshots of molecules with atomic precision is turning up chemicals they shouldn't be able to see.

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