Growth of high N containing GaNAs/GaP/BGaAsP multi quantum well structures on Si (001) substrates
•MOVPE grown Ga(NAs)/(BGa)(AsP) MQWH on (001) Si-substrate.•N concentrations of up to 16.8% in Ga(NAs).•Photoluminescence emission wavelength up to 1300nm at 15K. GaNAs/GaP/BGaAsP-multiple quantum well heterostructures (MQWH) were deposited pseudomorphically strained on exactly oriented (001) Si-sub...
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Veröffentlicht in: | Journal of crystal growth 2017-06, Vol.467, p.61-64 |
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Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | •MOVPE grown Ga(NAs)/(BGa)(AsP) MQWH on (001) Si-substrate.•N concentrations of up to 16.8% in Ga(NAs).•Photoluminescence emission wavelength up to 1300nm at 15K.
GaNAs/GaP/BGaAsP-multiple quantum well heterostructures (MQWH) were deposited pseudomorphically strained on exactly oriented (001) Si-substrate plus thin GaP buffer by metal organic vapor phase epitaxy (MOVPE). The compressive strain of the GaNAs QW material enabled N fractions as high as 16.8%. Structural analyses show that the structures exhibit high crystalline quality for moderate strain values of 0.6% to 2.2%. Room temperature PL was obtained from samples with up to 11% N with an emission wavelength of up to 1130nm. At low temperatures (15K) even layers with 15% N showed photoluminescence from the GaNAs QW expanding the emission wavelength range to 1300nm. |
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ISSN: | 0022-0248 1873-5002 |
DOI: | 10.1016/j.jcrysgro.2017.03.003 |