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  • Kondo, Masahiko  (4)
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  • 1
    Online Resource
    Online Resource
    AIP Publishing ; 1986
    In:  Journal of Applied Physics Vol. 60, No. 10 ( 1986-11-15), p. 3539-3545
    In: Journal of Applied Physics, AIP Publishing, Vol. 60, No. 10 ( 1986-11-15), p. 3539-3545
    Abstract: The liquid-phase epitaxy (LPE) growth of InGaPAs grown on (100) GaAs substrate has been studied under various growth conditions over the whole solid composition range. It has been found that the degree of supercooling less than 5 °C is necessary to successfully grow InGaPAs LPE layers in the composition region influenced by immiscibility, and that the extraordinary broadening of their photoluminescence spectra is attributed to a large number of defects and dislocations included in them. The role of the elastic energy induced from a substrate is discussed on a basis of the experimental results of the InGaPAs LPE growth on GaAs. The degree of immiscibility is also discussed using the regular solution approximation.
    Type of Medium: Online Resource
    ISSN: 0021-8979 , 1089-7550
    Language: English
    Publisher: AIP Publishing
    Publication Date: 1986
    detail.hit.zdb_id: 220641-9
    detail.hit.zdb_id: 3112-4
    detail.hit.zdb_id: 1476463-5
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  • 2
    Online Resource
    Online Resource
    IOP Publishing ; 1985
    In:  Japanese Journal of Applied Physics Vol. 24, No. 7R ( 1985-07-01), p. 806-
    In: Japanese Journal of Applied Physics, IOP Publishing, Vol. 24, No. 7R ( 1985-07-01), p. 806-
    Abstract: The growth conditions have been studied in detail for InGaPAs LPE layers grown on (100) GaAs substrates using the two-phase melt technique. The accurate liquidus isotherms and iso-concentration curves have been obtained experimentally and are compared with the calculated ones. It has been found that the area of the successful growth of InGaPAs on GaAs shifts according to the degree of supercooling. The influences of variations of the As atomic fraction in the liquid, X As l , on the liquidus and solidus compositions have also been investigated in detail. The diffusion coefficients of P and Ga in an In-rich melt at 800°C have been determined as 1.9×10 -4 and 1.8×10 -4 cm 2 /s, respectively. The influence of the degree of supercooling on crystal growth is discussed using a mass transport analysis in both liquid and solid phases, together with the equilibrium phase diagram.
    Type of Medium: Online Resource
    ISSN: 0021-4922 , 1347-4065
    RVK:
    RVK:
    RVK:
    Language: Unknown
    Publisher: IOP Publishing
    Publication Date: 1985
    detail.hit.zdb_id: 218223-3
    detail.hit.zdb_id: 797294-5
    detail.hit.zdb_id: 2006801-3
    detail.hit.zdb_id: 797295-7
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  • 3
    Online Resource
    Online Resource
    IOP Publishing ; 1985
    In:  Japanese Journal of Applied Physics Vol. 24, No. 5R ( 1985-05-01), p. 524-
    In: Japanese Journal of Applied Physics, IOP Publishing, Vol. 24, No. 5R ( 1985-05-01), p. 524-
    Abstract: In 1- x Ga x P 0.96 As 0.04 LPE layers were grown on (100) GaAs substrates from a two-phase solution with an excess GaP source at 785°C and 795°C. The relations between the liquid compositions of Ga and P, X Ga l and X P l , at 800°C, were obtained experimentally for a liquid composition of As, X As l , of 0.76 at%. Based on these results, it was found that high-quality InGaPAs LPE-layers can be grown from an In melt with X Ga l between 1.10 at% and 1.30 at% and X P l between 2.85 at% and 2.90 at%. The liquid and solid compositions are discussed in connection with the calculated In-Ga-P-As phase diagram. The characteristics of the solution were examined by changing the growth time and temperature, and the crystal quality of the InGaPAs LPE layers was examined by a photoluminescence method in terms of the lattice mismatch between the InGaPAs LPE layer and the GaAs substrate
    Type of Medium: Online Resource
    ISSN: 0021-4922 , 1347-4065
    RVK:
    RVK:
    RVK:
    Language: Unknown
    Publisher: IOP Publishing
    Publication Date: 1985
    detail.hit.zdb_id: 218223-3
    detail.hit.zdb_id: 797294-5
    detail.hit.zdb_id: 2006801-3
    detail.hit.zdb_id: 797295-7
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  • 4
    Online Resource
    Online Resource
    IOP Publishing ; 1986
    In:  Japanese Journal of Applied Physics Vol. 25, No. 3R ( 1986-03-01), p. 435-
    In: Japanese Journal of Applied Physics, IOP Publishing, Vol. 25, No. 3R ( 1986-03-01), p. 435-
    Abstract: Electroreflectance measurements were performed on In 1- x Ga x P 1- y As y quaternary alloys grown on (100) GaAs by liquid-phase epitaxy in order to determine the precise band gap ( E 0 ) and broadening parameter (Γ). It was found that the band gap energies obtained by photoluminescence measurements differ slightly from the precise energy gap determined by ER measurements. The broadening parameters in the ER spectra of In 1- x Ga x P 0.7 As 0.3 LPE layers inside the miscibility gap of this alloy system are comparable with those of In 1- x Ga x P 0.96 As 0.04 LPE layers, and hence the LPE growth is less affected by the immiscibility, suggesting that the extraordinarily broadened band-edge luminescence in In 1- x Ga x P 0.7 As 0.3 is not due to the local distribution of the energy gap caused by the immiscibility. The effects of the immiscibility on the ER spectra are discussed in connection with the LPE growth conditions.
    Type of Medium: Online Resource
    ISSN: 0021-4922 , 1347-4065
    RVK:
    RVK:
    RVK:
    Language: Unknown
    Publisher: IOP Publishing
    Publication Date: 1986
    detail.hit.zdb_id: 218223-3
    detail.hit.zdb_id: 797294-5
    detail.hit.zdb_id: 2006801-3
    detail.hit.zdb_id: 797295-7
    Location Call Number Limitation Availability
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