News tagged with electron microscope

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New picture of atomic nucleus emerges

( -- When most of us think of an atom, we think of tiny electrons whizzing around a stationary, dense nucleus composed of protons and neutrons, collectively known as nucleons. A collaboration between the U.S. ...

dateMar 02, 2012 in General Physics
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Graphene quantum dots: The next big small thing

A Rice University laboratory has found a way to turn common carbon fiber into graphene quantum dots, tiny specks of matter with properties expected to prove useful in electronic, optical and biomedical applications.

dateJan 12, 2012 in Nanophysics
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Researchers measure nanometer scale temperature

Illinois researchers have developed a new kind of electro-thermal nanoprobe that can independently control voltage and temperature at a nanometer-scale point contact. It can also measure the temperature-dependent voltage ...

dateDec 19, 2011 in Nanophysics
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Are electron tweezers possible? Apparently so

( -- Not to pick up electrons, but tweezers made of electrons. A recent paper by researchers from the National Institute of Standards and Technology (NIST) and the University of Virginia (UVA) demonstrates that ...

dateNov 09, 2011 in General Physics
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