Optical properties of selenium: Difference between revisions

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'''[[Selenium]]''' Powder is an [[amorphous]], brick-red ghat may become black upon exposure to air,<ref>{{Cite web|url=https://cameochemicals.noaa.gov/chemical/4427|title=SELENIUM POWDER {{!}} CAMEO Chemicals {{!}} NOAA|last=GOV|first=NOAA Office of Response and Restoration, US|website=cameochemicals.noaa.gov|access-date=2017-11-06}}</ref> while ingots and films/crystals are black<ref>{{Cite book|url=https://doi.org/10.1007/978-1-4613-2655-7|title=Dictionary of Ceramic Science and Engineering {{!}} SpringerLink|last=O’Bannon|first=Loran S.|language=en-gb|doi=10.1007/978-1-4613-2655-7}}</ref>, with physical properties divided into structural, [[Optics|optical]], [[Electricity|electrical]], and [[dielectric]]. Its behavior to various external agents are of importance from basic research and technical points of view, a selenium .

==Optical Properties==