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heterostructures News
Fast and Sensitive Mid-IR Detectors for Gas Sensing
May 2, 2017 — Demands from industrial, petrochemical and new medical diagnostic applications are very wide-ranging — from air quality, emission monitoring and leak detectors, to breath analyzers and explosive material sensors. For many years, mid-IR...
Graphene Photodetectors Offer Path to Novel Optoelectronics
BARCELONA, Spain, Aug. 19, 2016 — A novel way to detect and harvest low-energy photons using heterostructures made of 2D materials and graphene may overcome the limitations of conventional semiconductor devices and lead to greater speed and efficiency in optoelectronic applications....
Nanowire Transistors Realized
WEST LAFAYETTE, Ind., Nov. 30, 2009 – A new generation of ultrasmall transistors and more powerful computer chips using semiconducting nanowires are closer to reality after researchers at IBM, Purdue and UCLA learned how to make them with layers of materials that are sharply defined at...
The Silicon-Sapphire Breakup
Nov 1, 2008 — Traditionally, LEDs are fabricated by growing heterostructures on either sapphire or silicon carbide substrates, but each of these has its own set of problems. Sapphire provides a poor lattice match and low thermal conductivity, silicon carbide is...
(4 results found)
April 2024
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