Erbija jonu augšuppārveidotā luminiscence trīskomponentu fluorīdu nanokristālus saturošā caurspīdīgā stikla keramikā

6533b86ffe1ef96bd12cccbd

RESEARCH PRODUCT

Erbija jonu augšuppārveidotā luminiscence trīskomponentu fluorīdu nanokristālus saturošā caurspīdīgā stikla keramikā

subject

Fizika Materials physics Materiālu fizika

description

Augšuppārveidotā luminiscence ir anti-Stoksa process, kurā starojums ar mazāku enerģiju tiek pārveidoti starojumā ar lielāku enerģiju. Šī procesa efektivitāti nosaka aktivatora un izmantotās matricas īpašības. Šajā pētījumā raksturota Er3+ augšuppārveidotā luminiscence oksifluorīdu stikla keramikā – kompozītmateriālā, kas sastāv no oksīdu stikla un fluorīdu nanokristāliem. Ar kausējuma dzesēšanas metodi iegūti jauni, caurspīdīgi, ar Er3+ aktivēti stikla keramikas materiāli, kas satur NaREF4 (RE=La, Gd, Y, Er, Lu) un Ba4RE3F17 (RE=Gd, Y, Yb, Lu) nanokristālus. Stiklā un stikla keramikā analizēti kristalizācijas procesi un šo materiālu spektroskopiskās īpašības. Atslēgas vārdi: erbijs, augšuppārveidotā luminiscence, stikla keramika, nanokristāli, oksifluorīdi

year	journal	country	edition	language
2021-01-01

https://dspace.lu.lv/dspace/handle/7/53365

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