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Yasufumi Fujiwara
Yasufumi Fujiwara
Verified email at mat.eng.osaka-u.ac.jp - Homepage
Title
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Cited by
Year
Room-temperature red emission from a p-type/europium-doped/n-type gallium nitride light-emitting diode under current injection
A Nishikawa, T Kawasaki, N Furukawa, Y Terai, Y Fujiwara
Applied Physics Express 2 (7), 071004, 2009
2702009
Perspective: Toward efficient GaN-based red light emitting diodes using europium doping
B Mitchell, V Dierolf, T Gregorkiewicz, Y Fujiwara
Journal of Applied Physics 123 (16), 2018
1252018
Efficient carrier multiplication in CsPbI3 perovskite nanocrystals
C de Weerd, L Gomez, A Capretti, DM Lebrun, E Matsubara, J Lin, ...
Nature communications 9 (1), 4199, 2018
1142018
Improved luminescence properties of Eu-doped GaN light-emitting diodes grown by atmospheric-pressure organometallic vapor phase epitaxy
A Nishikawa, N Furukawa, T Kawasaki, Y Terai, Y Fujiwara
Applied Physics Letters 97 (5), 2010
1032010
Direct Observation of Band Structure Modifications in Nanocrystals of CsPbBr3 Perovskite
J Lin, L Gomez, C De Weerd, Y Fujiwara, T Gregorkiewicz, K Suenaga
Nano Letters 16 (11), 7198-7202, 2016
962016
Hybridization of Single Nanocrystals of Cs4PbBr6 and CsPbBr3
C de Weerd, J Lin, L Gomez, Y Fujiwara, K Suenaga, T Gregorkiewicz
The Journal of Physical Chemistry C 121 (35), 19490-19496, 2017
772017
Eu luminescence center created by Mg codoping in Eu-doped GaN
D Lee, A Nishikawa, Y Terai, Y Fujiwara
Applied Physics Letters 100 (17), 2012
752012
Optical orientation and alignment of excitons in ensembles of inorganic perovskite nanocrystals
MO Nestoklon, SV Goupalov, RI Dzhioev, OS Ken, VL Korenev, ...
Physical Review B 97 (23), 235304, 2018
662018
Site and sample dependent electron–phonon coupling of Eu ions in epitaxial-grown GaN layers
N Woodward, A Nishikawa, Y Fujiwara, V Dierolf
Optical Materials 33 (7), 1050-1054, 2011
602011
Present understanding of Eu luminescent centers in Eu-doped GaN grown by organometallic vapor phase epitaxy
Y Fujiwara, V Dierolf
Japanese Journal of Applied Physics 53 (5S1), 05FA13, 2014
562014
Excitation of Eu3+ in gallium nitride epitaxial layers: Majority versus trap defect center
N Woodward, J Poplawsky, B Mitchell, A Nishikawa, Y Fujiwara, V Dierolf
Applied Physics Letters 98 (1), 2011
562011
Eu-doped GaN and InGaN monolithically stacked full-color LEDs with a wide color gamut
S Ichikawa, K Shiomi, T Morikawa, D Timmerman, Y Sasaki, ...
Applied Physics Express 14 (3), 031008, 2021
532021
Multiexciton Lifetime in All-Inorganic CsPbBr3 Perovskite Nanocrystals
EMLD de Jong, G Yamashita, L Gomez, M Ashida, Y Fujiwara, ...
The Journal of Physical Chemistry C 121 (3), 1941-1947, 2017
512017
The role of donor-acceptor pairs in the excitation of Eu-ions in GaN: Eu epitaxial layers
B Mitchell, J Poplawsky, D Lee, A Koizumi, Y Fujiwara, V Dierolf
Journal of Applied Physics 115 (20), 2014
512014
Hybrid Mesoporous‐Silica Materials Functionalized by PtII Complexes: Correlation between the Spatial Distribution of the Active Center, Photoluminescence …
K Mori, K Watanabe, Y Terai, Y Fujiwara, H Yamashita
Chemistry–A European Journal 18 (36), 11371-11378, 2012
512012
Room-temperature electroluminescence properties of Er, O-codoped GaAs injection-type light-emitting diodes grown by organometallic vapor phase epitaxy
A Koizumi, Y Fujiwara, A Urakami, K Inoue, T Yoshikane, Y Takeda
Applied physics letters 83 (22), 4521-4523, 2003
462003
Luminescence properties of Eu-doped GaN under resonant excitation and quantitative evaluation of luminescent sites
R Wakamatsu, D Lee, A Koizumi, V Dierolf, Y Fujiwara
Journal of Applied Physics 114 (4), 2013
452013
Lattice site location of optical centers in GaN: Eu light emitting diode material grown by organometallic vapor phase epitaxy
K Lorenz, E Alves, IS Roqan, KP O’Donnell, A Nishikawa, Y Fujiwara, ...
Applied Physics Letters 97 (11), 2010
452010
Drastic effects of hydrogen flow rate on growth characteristics and electrical/optical properties of InP grown by organometallic vapour phase epitaxy with TMIn and TBP
Y Fujiwara, S Furuta, K Makita, Y Ito, Y Nonogaki, Y Takeda
Journal of crystal growth 146 (1-4), 544-548, 1995
441995
Optical excitation and external photoluminescence quantum efficiency of Eu3+ in GaN
W De Boer, C McGonigle, T Gregorkiewicz, Y Fujiwara, S Tanabe, ...
Scientific Reports 4 (1), 5235, 2014
432014
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