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News tagged with epitaxy

Physicists accelerate simulations of thin film growth

A Toledo, Ohio, physicist has implemented a new mathematical approach that accelerates some complex computer calculations used to simulate the formation of micro-thin materials.

Physics / General Physics

created May 17, 2011 | popularity 5 / 5 (1) | comments 0

Technique reveals quantum phase transition; could lead to superconducting transistors

(PhysOrg.com) -- Like atomic-level bricklayers, researchers from the U.S. Department of Energy's (DOE) Brookhaven National Laboratory are using a precise atom-by-atom layering technique to fabricate an ultrathin ...

Physics / Superconductivity

created Apr 27, 2011 | popularity 4.6 / 5 (14) | comments 13 | with audio podcast

Molecular beam epitaxy facility to design custom materials for scientists

The instrument used for molecular beam epitaxy (MBE) looks a little like the lunar module, with spindly metal legs feeding into a large cylindrical canister. But this device isn't headed for the moon -- it ...

Physics / Condensed Matter

created Dec 08, 2010 | popularity 4 / 5 (1) | comments 1

Forcing mismatched elements together could yield better solar cells

(PhysOrg.com) -- In what could be a step toward higher efficiency solar cells, an international team including University of Michigan professors has invalidated the most commonly used model to explain the behavior of a unique ...

Physics / Condensed Matter

created Sep 08, 2010 | popularity 4.8 / 5 (12) | comments 3 | with audio podcast

Imec reports record efficiencies for large-area epitaxial thin-film silicon solar cells

Imec scientists realized large-area (70cm2) epitaxial solar cells with efficiencies of up to 16.3% on high-quality substrates. And efficiencies of up to 14.7% were achieved on large-area low-quality substrates ...

Technology / Semiconductors

created Jul 13, 2010 | popularity 4.8 / 5 (12) | comments 2 | with audio podcast

Imec significantly reduces cost of germanium-based thermophotovoltaic cells

(PhysOrg.com) -- Imec researchers presented today an improved processing technique for germanium-based thermophotovoltaic (TPV) cells resulting in significant reduction of cell cost, an essential step to develop ...

Technology / Semiconductors

created Jun 08, 2010 | popularity 5 / 5 (2) | comments 1

Affordable Fuel Cells May Get Boost From Artificial Diamonds

(PhysOrg.com) -- Using specialized cubic zirconia or artificial diamonds, scientists from Nanjing Normal University in China and Pacific Northwest National Laboratory designed a membrane that could allow solid ...

Physics / Condensed Matter

created Apr 27, 2010 | popularity 2.4 / 5 (5) | comments 5

Counting the 'Holes' in High-Temperature Superconductors

(PhysOrg.com) -- As part of the effort to better understand how superconductors transport electricity with zero resistance, a team of researchers has demonstrated a new way to count the number of a material's ...

Physics / Superconductivity

created Mar 25, 2010 | popularity 4.7 / 5 (3) | comments 6 | with audio podcast

Researchers take the lead out of piezoelectrics

There is good news for the global effort to reduce the amount of lead in the environment and for the growing array of technologies that rely upon the piezoelectric effect. A lead-free alternative to the current ...

Physics / Condensed Matter

created Nov 13, 2009 | popularity 4 / 5 (4) | comments 0