Augšup-pārveidotā luminiscence ar Er3+ joniem aktivētā LaInO3

6533b856fe1ef96bd12b350f

RESEARCH PRODUCT

Augšup-pārveidotā luminiscence ar Er3+ joniem aktivētā LaInO3

Kristaps ŠTrāls

subject

Spektroskopija Er3+ [LaInO3]Luminiscences kinētika Fizika Augšup-pārveidotā luminescence

description

Darba gaitā tika iegūti LaInO3 paraugi ar dažādas koncentrācijas Er3+ jonu piemaisījumiem. Paraugi tika sintezēti, karsējot La(O〖H)〗_3, In(O〖H)〗_3 un Er(O〖H)〗_3 maisījumu 1250°C temperatūrā. Iegūtajiem paraugiem tika mērīti augšup-pārveidotās luminiscences spektri, kuros tika novērotas erbijam raksturīgas luminiscences joslas. Palielinot Er3+ jonu koncentrāciju, mainās zaļās un sarkanās luminiscences spektra daļas intensitātes attiecība par labu sarkanajai daļai. Lai noteiktu, kādi procesi ir atbildīgi par luminiscenci katras koncentrācijas gadījumā, paraugiem tika izmērītas augšup-pārveidotās luminiscences dzišanas kinētika. Balstoties uz eksperimentālajiem datiem, tika spriests par augšup-pārveidotās luminiscences dabu LaInO3 materiālā, kā arī raksturota erbija jonu koncentrācijas ietekme uz augšup-pārveidotās luminiscences efektivitāti.

year	journal	country	edition	language
2015-01-01

https://dspace.lu.lv/dspace/handle/7/29699

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