نتایج جستجو برای: infrared device

تعداد نتایج: 773164  

Journal: :Nature materials 2005
Steven A McDonald Gerasimos Konstantatos Shiguo Zhang Paul W Cyr Ethan J D Klem Larissa Levina Edward H Sargent

In contrast to traditional semiconductors, conjugated polymers provide ease of processing, low cost, physical flexibility and large area coverage. These active optoelectronic materials produce and harvest light efficiently in the visible spectrum. The same functions are required in the infrared for telecommunications (1,300-1,600 nm), thermal imaging (1,500 nm and beyond), biological imaging (t...

Journal: :Journal of vacuum science & technology 2023

We report on changes in Ge1−xSnx films (0.065 ≤ x 0.144) after short high-temperature anneals. Films were grown by molecular beam epitaxy (001) Ge wafers, rapidly annealed, and characterized x-ray diffraction, Raman spectroscopy, optical microscopy. Sn segregated to the surface a maximum temperature is inversely related content. Lower content showed little no improvement crystal quality below s...

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