Nanogallery
Nanogallery
TODAY OCTOBER 20, 2017

Quantum phenomena at the nanoscale

"The more precisely the POSITION is determined, the less precisely the MOMENTUM is known"

Schrödinger Cat: At once dead and alive!
Schrödinger Cat: At once dead and alive! "Schrödinger cat" is a quantum paradox suggested by Schrödinger in 1935. Its purpose is to illustrate a highly counterintuitive nature of the quantum theory.

The quantum theory, or quantum mechanics, was created by Werner Heisenberg who received Nobel Prize in 1932 for this achievement. This theory describes the behavior of objects at the atomic scale, with unsurpassed precision. The question of applicability of quantum mechanics to macroscopic objects remains a subject of debate and some controversy, as is illustrated by the "Schrödinger cat" thought experiment.
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Excitons condense and form macroscopic patterns
Excitons condense and form macroscopic patterns Negatively charged electron and positively charged holes, existing in a semiconductor, attract each other and can form bound particles or “electron-hole” atoms, know as excitons. Recent experiments by "Leonid Butov (UCSD)" and his collaborators suggest that these particles can condense into a single quantum state and form a superfluid. This is similar to superfluidity of He atoms which can also form a condensate.
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Multiwall carbon nanotube SET transistor
Multiwall carbon nanotube SET transistor The figure shows two example of a recent low-temperature transport experiments with multiwall nanotubes. This amazing "face"-type images represent gray-scale maps of the nanotube electrical conductance, measured with respect to two variables: magnetic field (horizontal axis), applied parallel to the tube, and the bias voltage (vertical axis).
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Quantum electronic orbits discovered around carbon nanotubes
Quantum electronic orbits discovered around carbon nanotubes Formation of tubular electronic states around carbon nanotubes is demonstrated in recent experiments by M. Zamkov and collaborators.
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Search for DNA electrical conductance
Search for DNA electrical conductance DNA insert into a nanodevice acts as a semiconductor.
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This electron microscope image clearly shows the tightly packed cylinders of gold nanoparticles.
The image is courtesy Eugene Zubarev/Rice University
Nanowerk Nanotechnology Portal
http://www.nanowerk.com

Nanohedron
http://www.nanohedron.com

Biomolecules
http://perso.curie.fr/Simon.Sc..


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