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Luminescence of polymorph crystalline and glassy SiO2, GeO2: A short review

机译:多晶型晶体和玻璃态SiO2,GeO2的发光:简短回顾

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摘要

Studies of SiO2 and GeO2 crystals with alpha-quartz and rutile structures were performed during last two decades. The goal of such studies was comparison of properties with those of glassy modifications of these crystals. Luminescence of oxygen deficient centers in these glassy materials was found to resemble the luminescence of the rutile-type modification rather than alpha-quartz modification. In alpha-quartz, similar luminescence centers appear after damaging irradiation by electron beam at low temperatures (<60 K) or at ambient temperatures after gamma or neutron irradiation.
机译:在过去的二十年中,对具有α-石英和金红石结构的SiO2和GeO2晶体进行了研究。这类研究的目的是将这些晶体的性质与玻璃态修饰的性质进行比较。发现这些玻璃质材料中缺氧中心的发光类似于金红石型修饰而不是α-石英修饰的发光。在α石英中,在低温(<60 K)或在γ或中子辐照后的环境温度下,电子束破坏照射后,会出现类似的发光中心。

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