Augšuppārveidotā luminiscence ar cēriju, holmiju un iterbiju aktivētā oksifluorīdu stikla keramikā

6533b82ffe1ef96bd12955ad

RESEARCH PRODUCT

Augšuppārveidotā luminiscence ar cēriju, holmiju un iterbiju aktivētā oksifluorīdu stikla keramikā

subject

šķērsrelaksācija retzemju joni augšuppārveidotā luminiscence Fizika stikls fotoluminiscence

description

Darba gaitā tika iegūti oksifluorīdu stikla paraugi ar dažādu cērija koncentrāciju. Paraugu sastāvs 17Na2O-7NaF-8YF3-6Al2O3-58SiO2-0,5YbF3-0,1Ho-xCeF3, (x=0-0,8 mol%). Izmantojot diferenciāli termiskās analīzes (DTA) datus, noteiktas stikla raksturīgās temperatūras. Balstoties uz DTA datiem stikla paraugi tika izotermiski apstrādāti un iegūtas stikla keramikas. Veicot rentgenstaru difrakcijas analīzi, pētīta paraugu struktūra, un noskaidroti optimālie apstākļi stikla keramikas iegūšanai. Darba gaitā paraugiem ir izmērīti tradicionālās un augšuppārveidotās luminiscences spektri un dzišanas kinētikas. Balstoties uz eksperimentālajiem datiem, darbā tiek spriests par Ce3+ ietekmi uz paraugu struktūru un optiskajām īpašībām.

year	journal	country	edition	language
2016-01-01

https://dspace.lu.lv/dspace/handle/7/32422

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