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Dive into the research topics where H.A.A. Seed Ahmed is active.

Publication


Featured researches published by H.A.A. Seed Ahmed.


Journal of Luminescence | 2013

High efficiency energy transfer in Ce,Tb co-doped silica prepared by sol-gel method

H.A.A. Seed Ahmed; O.M. Ntwaeaborwa; R.E. Kroon


ECS Journal of Solid State Science and Technology | 2014

Effect of Ga3+ Doping on the Photoluminescence Properties of Y3Al5-xGaxO12:Bi3+ Phosphor

A. Yousif; Vinod Kumar; H.A.A. Seed Ahmed; S. Som; L. L. Noto; O.M. Ntwaeaborwa; H.C. Swart


Current Applied Physics | 2013

The energy transfer mechanism in Ce,Tb co-doped LaF3 nanoparticles

H.A.A. Seed Ahmed; O.M. Ntwaeaborwa; R.E. Kroon


Applied Surface Science | 2015

Luminescence and electron degradation properties of Bi doped CaO phosphor

A. Yousif; R.E. Kroon; E. Coetsee; O.M. Ntwaeaborwa; H.A.A. Seed Ahmed; H.C. Swart


Physica B-condensed Matter | 2014

Ce decay curves in Ce, Tb co-doped LaF3 and the energy transfer mechanism

R.E. Kroon; H.C. Swart; O.M. Ntwaeaborwa; H.A.A. Seed Ahmed


Physica B-condensed Matter | 2012

5D3→7FJ emission of Tb doped sol–gel silica

H.A.A. Seed Ahmed; O.M. Ntwaeaborwa; M.A. Gusowski; J.R. Botha; R.E. Kroon


Physica B-condensed Matter | 2012

Luminescence from Ce in sol-gel SiO2

R.E. Kroon; H.A.A. Seed Ahmed; O.M. Ntwaeaborwa; L.F. Koao; I.M. Nagpure; M.A. Gusowski; J.R. Botha; H.C. Swart


Physica B-condensed Matter | 2017

Investigating the capability of ToF-SIMS to determine the oxidation state of Ce

H.A.A. Seed Ahmed; H.C. Swart; R.E. Kroon


Physica B-condensed Matter | 2016

Interaction mechanism for energy transfer from Ce to Tb ions in silica

H.A.A. Seed Ahmed; W.S. Chae; O.M. Ntwaeaborwa; R.E. Kroon


Materials Research Bulletin | 2016

Concentration quenching of Eu2+ doped Ca2BO3Cl

H.A.A. Seed Ahmed; H.C. Swart; Peber Bergman; R.E. Kroon

Collaboration


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R.E. Kroon

University of the Free State

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O.M. Ntwaeaborwa

University of the Free State

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H.C. Swart

University of the Free State

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A. Yousif

University of the Free State

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J.R. Botha

Nelson Mandela Metropolitan University

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M.A. Gusowski

University of the Free State

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E. Coetsee

University of the Free State

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I.M. Nagpure

University of the Free State

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L. L. Noto

University of the Free State

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L.F. Koao

University of the Free State

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