molecular-beam epitaxy


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molecular-beam epitaxy

[mə′lek·yə·lər¦bēm ′ep·ə‚tak·sē]
(solid-state physics)
A technique of growing single crystals in which beams of atoms or molecules are made to strike a single-crystalline substrate in a vacuum, giving rise to crystals whose crystallographic orientation is related to that of the substrate. Abbreviated MBE.
References in periodicals archive ?
The School of Physics and Astronomy requires new capability for thin-film growth by molecular-beam epitaxy.
Among their topics are molecular-beam epitaxy, conductivity and chemical trends, optical properties, ellipsometry, theory of InN surfaces, InN-based dilute magnetic semiconductors, and nanocolumns.
By using an atom-deposition technique called molecular-beam epitaxy and by exploiting a tendency of indium atoms to bunch together, the researchers covered an entire chip with triangular arrays of exactly six indium atoms per patch of silicon 3 nm on a side.
Contract Notice: The School of Physics and Astronomy requires new capability for thin-film growth by molecular-beam epitaxy.
A sampling of topics: blue laser diodes by low temperature plasma assisted molecular-beam epitaxy, mesoporous crystals of transition metal oxides, magnetic anisotropy of Co films annealed by laser pulses, formation of carbon fibers in high- voltage low-current electrical discharges, nanotechnology for treating damaged organs, nanomaterials in dental applications, enhanced fatigue properties of ultrafine-grained titanium rods produced using severe plastic deformation, nanostructure formation in austenitic stainless steel, and the effect of grain size distribution on the mechanical properties of nanometals.
For the research, this Japanese group uses a technique called laser molecular-beam epitaxy.

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