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Material Properties of RE- Doped Ln (Ln= Y, La) oxides and oxysulfides phosphors for red-emitting devices
(University of the Free State, 2015-11)
Structural and optical properties of Eu3+-doped Ln (Ln=Y, La) oxide and oxysulfide nano crystals synthesized by sol-combustion method were analysed as a function of host to fuel ratio. Structural characterization shows ...
Revision of the South African geogarypidae (arachnida: Pseudoscorpiones)
(University of the Free State, 2015-01)
English: Despite a recent order-level revision published by Harvey (1992b), where, through the use of 126 morphological characters, 24 families were recognized, detailed morphological and ecological data is still sorely ...