Search results for dopant

Electronics & Semiconductors Jun 6, 2013

Circuit-characteristics analysis system capable of reflecting lithography patterns

Researchers from the National Institute of Advanced Industrial Science and Technology (AIST), have developed a circuit-characteristics analysis system that can reflect the detailed shape of a circuit pattern (lithography ...

General Physics May 24, 2013

New family of tiny crystals glow bright in LED lights

(Phys.org) —Minuscule crystals that glow different colors may be the missing ingredient for white LED lighting that illuminates homes and offices as effectively as natural sunlight.

Nanomaterials May 5, 2013

PEDOT:PSS: Improving thermoelectric materials that convert heat to electricity and vice-versa

Thermoelectric materials can be used to turn waste heat into electricity or to provide refrigeration without any liquid coolants, and a research team from the University of Michigan has found a way to nearly double the efficiency ...

Hardware Apr 18, 2013

Sequoia supercomputer transitions to classified work

The National Nuclear Security Administration (NNSA) today announced that its Sequoia supercomputer at Lawrence Livermore National Laboratory (LLNL) has completed its transition to classified computing in support of the Stockpile ...

Nanophysics Mar 7, 2013

Long predicted atomic collapse state observed in graphene: Researchers recreate elusive phenomenon with artificial nucle

The first experimental observation of a quantum mechanical phenomenon that was predicted nearly 70 years ago holds important implications for the future of graphene-based electronic devices. Working with microscopic artificial ...

General Physics Feb 25, 2013

Lattice location determination of trace nitrogen dopants in semiconductor silicon carbide (SiC)

AIST researchers have developed an instrument for X-ray absorption fine structure (XAFS) spectroscopy equipped with a superconducting detector. With the instrument, the researchers have realized, for the first time, local ...

Superconductivity Feb 21, 2013

Close look at iron-based superconductor advances theory

(Phys.org)—Cornell researchers have resolved a longstanding theoretical debate about the electronic structure of iron-based superconductors by directly observing it at the atomic scale. The work is reported in the Feb. ...

Superconductivity Feb 17, 2013

Dopants dramatically alter electronic structure of superconductor

Over the last quarter century, scientists have discovered a handful of materials that can be converted from magnetic insulators or metals into "superconductors" able to carry electrical current with no energy loss-an enormously ...

Materials Science Feb 6, 2013

Success in theoretical design of photocatalyst enabling mass production of hydrogen

A research group headed by Dr. Naoto Umezawa, a Senior Researcher at the NIMS International Center for Materials Nanoarchitectonics (MANA), succeeded in theoretical design of a photocatalyst that enables hydrogen production ...

Nanophysics Jan 30, 2013

Research offers breakthrough in understanding electronic properties of graphene

(Phys.org)—Research on the electronic properties of the super-material graphene could bring us one step closer to taking it from the laboratory to developing it for use in commercial products. Scientists at the SuperSTEM ...

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