Zobrazeno 1 - 10
of 102
pro vyhledávání: '"Hong-Lee Park"'
Publikováno v:
Journal of Nanoscience and Nanotechnology. 11:7185-7188
We have investigated the carrier dynamics and activation energy of CdxZn(1-x)Te/ZnTe quantum dots (QDs) on GaAs and Si substrates. The carrier dynamics of QDs on GaAs and Si substrates is studied using time-resolved photoluminescence (PL) measurement
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6df4cac5b6d5fe02d6933bd3c0f05714
https://doi.org/10.1166/jnn.2011.4781
https://doi.org/10.1166/jnn.2011.4781
Autor:
Tae Whan Kim, Joo Hyung You, Atsushi Tackeuchi, Hong Seok Lee, Hong Lee Park, Takako Chinone, Ji Hao Liang
Publikováno v:
Journal of the Korean Physical Society. 55:107-111
Time-resolved studies using ultra-short laser pulses unveil interesting aspects of carrier and spin dynamics in compound semiconductors. Here, thermally-activated carrier transfers between CdTe/ZnTe quantum dots (QDs) and ultrafast spin-relaxations i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3e3a910fb02a39b644a1662ba813ba96
https://doi.org/10.3938/jkps.55.107
https://doi.org/10.3938/jkps.55.107
Publikováno v:
Journal of Luminescence. 126:566-570
Astract White-light-emitting ZnS:Mn, Cu, Cl phosphors with the double phases of cubic and hexagonal structures are successfully synthesized by varying the dopants concentrations. They are applied to the powder alternating currents (AC) electrolumines
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e08fff48e3655af5092d775e53c7da2b
https://doi.org/10.1016/j.jlumin.2006.10.012
https://doi.org/10.1016/j.jlumin.2006.10.012
Publikováno v:
Solid State Phenomena. 128:53-58
Manganese-doped ZnS nanophosphors were synthesized by two different methods: hydrothermal and low-temperature precipitation methods. The nanophosphors prepared by the hydrothermal precipitation and low-temperature methods had the size of 20 nm and 4
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::96f7bec01e945792ebfac5af4eb6cd3e
https://doi.org/10.4028/www.scientific.net/ssp.128.53
https://doi.org/10.4028/www.scientific.net/ssp.128.53
Publikováno v:
Solid State Phenomena. 128:179-184
Spray pyrolysis was used to prepare ZnS:Mn2+ yellow nanophosphor. As an increase in firing temperature for spray pyrolysis, more nanoparticles of a hexagonal phase were formed together with these of the cubic structure. The optimized emission intensi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f750e81abc79b974027f1183709b156c
https://doi.org/10.4028/www.scientific.net/ssp.128.179
https://doi.org/10.4028/www.scientific.net/ssp.128.179
Publikováno v:
Journal of Crystal Growth. 298:672-675
We have designed and fabricated electroabsorption modulator integrated monolithically with a distributed Bragg reflector laser using selective area growth (SAG) by metalorganic vapor phase epitaxy (MOVPE). Through the bandgap engineering due to the g
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::59a6887b16c281a548edeae3713d08a4
https://doi.org/10.1016/j.jcrysgro.2006.10.210
https://doi.org/10.1016/j.jcrysgro.2006.10.210
Publikováno v:
Journal of Luminescence. :851-854
Nanophosphor of ZnGa 2 O 4 :Eu 3+ was synthesized through a hydrothermal method. The particle size was about 20 nm confirmed by X-ray diffractometry and scanning electron microscopy. Excitation peaks attributed to the charge transfer of Eu-O were red
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e767a5b7f67048739885100c27080b13
https://doi.org/10.1016/j.jlumin.2006.01.307
https://doi.org/10.1016/j.jlumin.2006.01.307
Publikováno v:
Journal of Luminescence. :710-713
The red-emitting nanophosphor (β-Ga2O3:Eu3+) is synthesized by varying the initial pH of solution in sol–gel process. Above pH 7 the final product shows the single phase of β-Ga2O3:Eu3+. By increasing the initial pH, more hydroxyl ions (OH) are o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::45075c6eed25d0d53cf7d0715351e7f4
https://doi.org/10.1016/j.jlumin.2006.01.267
https://doi.org/10.1016/j.jlumin.2006.01.267
Publikováno v:
Journal of Luminescence. :583-586
The X 3 MgSi 2 O 8 :Eu 2+ , Mn 2+ (X = Ba, Sr, Ca) phosphors show three emission peaks: the blue and green bands of Eu 2+ transitions, and the red band of Mn 2+ transitions. Three emission peaks are shifted toward longer-wavelength side with substitu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c18b927d4f5799ab1b7deb9c0bbfc0f0
https://doi.org/10.1016/j.jlumin.2006.01.231
https://doi.org/10.1016/j.jlumin.2006.01.231
Publikováno v:
Current Applied Physics. 6:e187-e191
Long-range ordered semiconductor CdTe nanodot arrays of the uniform size were formed by molecular-beam epitaxy on the GaAs substrate as a replica of the nanoporous alumina mask in spite of the large lattice mismatch between GaAs and CdTe. The number
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1d2f144498c51f0ade36af21a0fc9b7a
https://doi.org/10.1016/j.cap.2006.01.036
https://doi.org/10.1016/j.cap.2006.01.036