Condensed Matter

   

Atomic Clock Mimics Synthetic Magnetic State

Authors: George Rajna

Using their advanced atomic clock to mimic other desirable quantum systems, JILA physicists have caused atoms in a gas to behave as if they possess unusual magnetic properties long sought in harder-to-study solid materials. Representing a novel "off-label" use for atomic clocks, the research could lead to the creation of new materials for applications such as "spintronic" devices and quantum computers. [21] New material with ferroelectricity and ferromagnetism may lead to better computer memory. [20] Microelectromechanical systems, or MEMS, are tiny machines fabricated using equipment and processes developed for the production of electronic chips and devices. [19] Researchers from the Harvard John A. Paulson School of Engineering and Applied Sciences have made the world's smallest radio receiver-built out of an assembly of atomic-scale defects in pink diamonds. [18] Smart phones have shiny flat AMOLED displays. Behind each single pixel of these displays hide at least two silicon transistors which were mass-manufactured using laser annealing technologies. [17] Bumpy surfaces with graphene between would help dissipate heat in next-generation microelectronic devices, according to Rice University scientists. [16] Scientists at The University of Manchester and Karlsruhe Institute of Technology have demonstrated a method to chemically modify small regions of graphene with high precision, leading to extreme miniaturisation of chemical and biological sensors. [15] A new method for producing conductive cotton fabrics using graphene-based inks opens up new possibilities for flexible and wearable electronics, without the use of expensive and toxic processing steps. [14] A device made of bilayer graphene, an atomically thin hexagonal arrangement of carbon atoms, provides experimental proof of the ability to control the momentum of electrons and offers a path to electronics that could require less energy and give off less heat than standard silicon-based transistors. It is one step forward in a new field of physics called valleytronics. [13] In our computer chips, information is transported in form of electrical charge. Electrons or other charge carriers have to be moved from one place to another.

Comments: 30 Pages.

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Submission history

[v1] 2016-12-21 12:42:14

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