Search Results - "Takagishi, S"

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    Near-field photoluminescence study of GaNAs alloy epilayer at room and cryogenic temperature by Matsuda, K., Saiki, T., Takahashi, M., Moto, A., Takagishi, S.

    Published in Applied physics letters (12-03-2001)
    “…We have measured the spatial distribution of the optical properties of a GaNAs (N∼0.8%) epilayer to investigate the carrier recombination mechanism at both…”
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    Journal Article
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    Photoluminescence properties of localized states caused by nitrogen alloying in a GaInNAs/GaAs single quantum well by Nomura, K., Yamada, T., Iguchi, Y., Takagishi, S., Nakayama, M.

    Published in Journal of luminescence (01-04-2005)
    “…We have investigated photoluminescence (PL) properties of localized states induced by nitrogen alloying in a Ga 1− x In x N y As 1− y /GaAs single quantum well…”
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    Journal Article
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    Optical characterization of improvement of carrier localization in InGaAsN/GaAs single quantum wells by addition of Sb flux to interfaces by Iguchi, Y., Ishizuka, T., Yamada, T., Takagishi, S., Nomura, K., Nakayama, M.

    Published in Journal of crystal growth (2007)
    “…We have investigated effects of a trimethylantimony (TMSb) flow to the interface between GaAs buffer layer and InGaAsN quantum-well layer on localization of…”
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    Journal Article Conference Proceeding
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    Hydrogen and carbon incorporation in GaInNAs by Moto, A, Takahashi, M, Takagishi, S

    Published in Journal of crystal growth (01-12-2000)
    “…We have investigated the dependence of impurity incorporation of GaInNAs on the In concentration, substrate orientation, and growth temperature by secondary…”
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    Journal Article Conference Proceeding
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    Spatial distribution of deep level traps in GaNAs crystals by Tanaka, So, Moto, A, Takahashi, M, Tanabe, T, Takagishi, S

    Published in Journal of crystal growth (01-12-2000)
    “…GaNAs crystals grown by the metalorganic vapor-phase epitaxy (MOVPE) method are characterized by plane-view electron beam induced current (EBIC) and deep-level…”
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    Journal Article Conference Proceeding
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    Localization characteristics of photoluminescence decay dynamics in an InxGa1−xAs1−yNy/GaAs single quantum well by Nakayama, M., Tokuoka, K., Nomura, K., Yamada, T., Moto, A., Takagishi, S.

    Published in Physica Status Solidi (b) (01-11-2003)
    “…We have investigated photoluminescence (PL) properties of an InxGa1−xAs1−yNy/GaAs single quantum well from an aspect of carrier localization. The sample was…”
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    Journal Article Conference Proceeding
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    Raman characterization of lattice-matched GaInAsN layers grown on GaAs (0 0 1) substrates by Hashimoto, A, Kitano, T, Nguyen, A.K, Masuda, A, Yamamoto, A, Tanaka, S, Takahashi, M, Moto, A, Tanabe, T, Takagishi, S

    “…First systematic Raman scattering characterization for the nearly lattice-matched GaInAsN layers has been discussed to investigate the local structural changes…”
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    Journal Article Conference Proceeding
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    COVID-19 Impact on Delivery of Rehabilitation For Persons With Traumatic Brain Injury by Cotner, Bridget, Nakase-Richardson, Risa, Agtarap, Stephanie, Martin, Aaron, Takagishi, S. Curtis, Rabinowitz, Amanda, Ching, Deveney, O'Connor, Danielle R., Hoffman, Jeanne

    “…To describe how the COVID-19 pandemic influenced treatment practices for chronic pain in persons with traumatic brain injury (TBI) and facilitators and…”
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    Journal Article
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    0629 Correlates of sleep quality among individuals with chronic pain after moderate to severe traumatic brain injury by Martin, Aaron, Almeida, Emily J, Hoffman, Jeanne M, Pinto, Shanti M, Walker, William C, Douglas, Megan E, Wittine, Lara, Schwartz, Daniel J, Takagishi, S Curtis, Kane, Georgia, Nakase-Richardson, Risa

    Published in Sleep (New York, N.Y.) (29-05-2023)
    “…Abstract Introduction Sleep disturbance and chronic pain are very common after moderate to severe traumatic brain injury (msTBI). Despite having a…”
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    Journal Article
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    InGaP/GaAs and InGaAs mechanically-stacked triple-junction solar cells by Takamoto, T., Ikeda, E., Agui, T., Kurita, H., Tanabe, T., Tanaka, S., Matsubara, H., Mine, Y., Takagishi, S., Yamaguchi, M.

    “…Triple-junction cells with AM1.5 efficiencies of over 33% have been demonstrated. A planar type InGaP/GaAs monolithic dual-junction cell was fabricated on a…”
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    Conference Proceeding
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    Origin of non-radiative center of GaInNAs grown by MOVPE by Yamada, T., Ishizuka, T., Sawamura, A., Iguchi, Y., Saito, T., Katsuyama, T., Takagishi, S., Nomura, K., Nakayama, M.

    “…The origins of non-radiative centers of GaInNAs grown by metalorganic vapor phase epitaxy (MOVPE) are discussed. The relations of the photoluminescence (PL)…”
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    Conference Proceeding
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    High-radiation-resistant InGaP, InGaAsP, and InGaAs solar cells for multijuction solar cells by Dharmarasu, Nethaji, Yamaguchi, Masafumi, Khan, Aurangzeb, Yamada, Takashi, Tanabe, Tatsuya, Takagishi, Shigenori, Takamoto, Tatsuya, Ohshima, Takeshi, Itoh, Hisayoshi, Imaizumi, Mitsuru, Matsuda, Sumio

    Published in Applied physics letters (08-10-2001)
    “…The radiation response of 3 MeV proton-irradiated InGaP, InGaAsP and InGaAs solar cells was measured and analyzed in comparison with those of InP and GaAs. The…”
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    Journal Article
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    GaAs solar cell with GaInP window grown by all metalorganic source MOVPE by Matsubara, H., Tanabe, T., Saegusa, A., Takagishi, S., Shirakawa, T.

    “…Tertiarybutylarsine (tBAs) and tertiarybutylphosphine (tBP) are expected as safe alternatives to conventional hazardous hydrides, AsH/sub 3/ and PH/sub 3/. We…”
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    Conference Proceeding
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    Stretched exponential profiles of photoluminescence decays related to localized states in InGaAsN/GaAs single-quantum wells by Nakayama, M., Iguchi, Y., Nomura, K., Hashimoto, J., Yamada, T., Takagishi, S.

    Published in Journal of luminescence (2007)
    “…We have investigated photoluminescence (PL) dynamics related to localized states in In x Ga 1− x As 1− y N y /GaAs single-quantum wells (SQWs) with the…”
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    Journal Article