semiconducting crystal

semiconducting crystal

[¦sem·i·kən¦dək·tiŋ ¦krist·əl]
(solid-state physics)
A crystal of a semiconductor, such as silicon, germanium, or gray tin.
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The precise site selectivity from atomically thin conducting and semiconducting crystals enables the authors to exploit these heterostructures to assemble two-dimensional logic circuits, such as an NMOS inverter with high voltage gain (up to 70).
They used tiny semiconducting crystals that contain two separate reservoirs of electrons to explore the different influences of both classical and quantum physics.
With financial support from County Durham Development Company (CDDC), this Durham University spinout has found NETPark a first class location in which to commercialise a new vapour-phase crystal growth technology for the manufacture of semiconducting crystals for next-generation scanning and imaging devices.
But in April, physicists at Los Alamos National Laboratory in New Mexico reported in the journal Physical Review Letters that they had found a way to get semiconducting crystals to produce multiple electrons from a single photon.
This paper discusses the acoustic material properties of semiconducting crystals suitable for these applications, and describes their variation with direction in the crystal.
Table : ACOUSTIC WAVE STRUCTURES Dielectric Crystals (Quartz) stable - mechanically and environmentally piezoelectric - direct transduction between electronic and mechanical media temperature - zero temperature coefficient cuts high Q - low acoustic loss Semiconducting Crystals (GaAs) piezoelectric - semi-insulating integration - acoustics and electronics microelectronics - compatible digital-analog synergism
For years scientists have worked on making semiconducting crystals so tiny they begin to take on the properties of individual atoms or molecules -- but now a simple yeast has produced some of the best specimens yet.
Winge sent a spectrum of the specific absorbed energies to Brus, who found it corresponded to the spectrum he would expect from quantum semiconducting crystals.
Appendix V Brillouin Zones, Vibration Modes, and Raman Spectra of Typical Ordinary and Semiconducting Crystals
DSC currently employs two full time staff and three non-executive directors and has beaten worldwide competition to develop a groundbreaking new method of making semiconducting crystals.