Search Results - "TAKIZAWA, TAKEO"

Thermal analysis and synthesis from the melts of Cu-based quaternary compounds Cu-III-IV-VI4 and Cu2-II-IV-VI4 (II = Zn, Cd; III = Ga, In; IV = Ge, Sn; VI = Se) by MATSUSHITA, H, MAEDA, T, KATSUI, A, TAKIZAWA, T

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Effect of Ho Co-Doping on the Long Lasting Emission of CaGa2S4:Eu by Hidaka, Chiharu

“…To investigate the long-lasting green afterglow from Ho added CaGa 2 S 4 :Eu compounds, photoluminescence (PL) and photoluminescence excitation (PLE) spectra…”
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Enhancement of Mn red emission in CaGa2S4 compounds by co-doping rare-earth elements by BOITIER, Fabien, HIDAKA, Chiharu, TAKIZAWA, Takeo

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Energy transfer from rare-earth element to Mn in (Ca,Sr)Ga2S4 compounds by Obonai, Toshimitsu, Hidaka, Chiharu, Takizawa, Takeo

“…For realizing a red‐colour emission using SrGa2S4 compounds, Mn and rare‐earth‐element (REE) co‐doping is tried. Photoluminescence (PL) and photoluminescence…”
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Analysis of the Enhancing Effect of Rare Earth Ion Co-Doping on the Red Emission of CaGa2S4:Mn2+ in View of Its Decay Time by Suzuki, Akihiro, Hidaka, Chiharu, Takizawa, Takeo, Nomura, Shigetaka

“…When certain trivalent rare earth elements (REEs) are co-doped with Mn 2+ in CaGa 2 S 4 , the Mn 2+ red emission of the compounds is enhanced. To clarify its…”
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Effect of Rare Earth Element Codoping on the Mn Red Emission in Ca and Sr Thiogallates: Focusing on Its Mechanism through Electron Spin Resonance Study of Single Crystals by Takizawa, Takeo, Obonai, Toshimitsu, Nomura, Shigetaka, Hidaka, Chiharu

“…The weak Mn 2+ involved red emission in CaGa 2 S 4 can be greatly enhanced by codoping with a suitable rare earth element (REE). To clarify the involved…”
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Optical properties of Sr1−Eu Ga2S4 mixed compounds by Hidaka, Chiharu, Takizawa, Takeo

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Effect of Rare Earth Element Codoping on the Mn Red Emission in Ca and Sr Thiogallates: Focusing on Its Mechanism through Electron Spin Resonance Study of Single Crystals by Takizawa, Takeo, Obonai, Toshimitsu, Nomura, Shigetaka, Hidaka, Chiharu

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Effect of co-doping of Ce3+ and alkaline metals on the photoluminescence in CaGa2S4 and SrGa2S4 hosts by Hidaka, Chiharu, Miura, Kazutaka, Oikawa, Shinya, Takizawa, Takeo

“…Ce3+ doped alkaline‐earth thiogallates represented as MIIGa2S4 (MII = Ca, Sr, Ba) are known as blue phosphors with high brightness and good purity of color…”
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Defect Properties of CuInS 2 Single Crystals Grown by Horizontal Bridgman Method with Controlling S Vapor Pressure by Hiroaki Matsushita, Hiroaki Matsushita, Tomohiro Mihira, Tomohiro Mihira, Takeo Takizawa, Takeo Takizawa

“…We have analyzed the lattice defects of CuInS 2 bulk single crystals prepared by the horizontal Bridgman method with controlling S vapor pressure. The grown…”
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Phase diagram of the CuIn-2Se system for CuInSe2 crystal growth by controlling Se contents by MATSUSHITA, H, TAKIZAWA, T

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Defect Properties of CuInSe 2 Single Crystals Prepared by Selenization Horizontal Bridgman Method by Hiroaki Matsushita, Hiroaki Matsushita, Takeo Takizawa, Takeo Takizawa

“…CuInSe 2 bulk single crystals have been grown using the selenization horizontal Bridgman method. On the basis of the temperature variation of Hall coefficient…”
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Chemical reaction process and the single crystal growth of CuInS2 compound by MATSUSHITA, H, MIHIRA, T, TAKIZAWA, T

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Light figure spectroscopy of optically active anisotropic materials by Yamamoto, Nobuyuki, Mamedov, Nazim, Shim, Yonggu, Hidaka, Chiharu, Takizawa, Takeo, Niwa, Eiji, Masumoto, Katashi

“…Low order interference curves in optic-axis light figures of the optically active AgGaS 2 and TeO 2 are investigated in the visible spectral range at room…”
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Single crystal growth of CuInSe2 by selenization horizontal Bridgman method by MATSUSHITA, H, TAKIZAWA, T

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DEFECT PROPERTIES OF CuInS2 SINGLE CRYSTALS GROWN BY HORIZONTAL BRIDGMAN METHOD WITH CONTROLLING S VAPOR PRESSURE by Matsushita, H, Mihira, T, Takizawa, T

“…Authors analyzed the lattice defects of CuInS2 bulk single crystals prepared by the horizontal Bridgman method with controlling S vapor pressure. The grown…”
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Extended Application of Light Figures to Optically Active Materials with Transversally Isotropic Dielectric Function by Mamedov, Nazim, Yamamoto, Nobuyuki, Shim, Yonggu, Ninomiya, Yuichiro, Takizawa, Takeo

“…An analytical approach to optic-axis light figures of optically active transparent materials with transversally isotropic linear dielectric function is…”
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Thermal Analysis of Chemical Reaction Process Forming CuInSe 2 Crystal by Hiroaki Matsushita, Hiroaki Matsushita, Takeo Takizawa, Takeo Takizawa

“…In order to establish the preparation method of high-quality CuInSe 2 single crystals, we have investigated the chemical reaction process of CuInSe 2 by…”
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A novel monoclinic phase of impurity-doped CaGa2S4 as a phosphor with high emission intensity by Suzuki, Akihiro, Takizawa, Takeo, Hidaka, Chiharu, Shigetaka, Nomura, Kitajima, Ittetsu

“…In the solid-state synthesis of impurity-doped CaGa 2 S 4 , calcium tetra­thio­digallate(III), a novel phosphor material (denominated as the X -phase), with…”
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Effect of Ho Co-Doping on the Long Lasting Emission of CaGa 2 S 4 :Eu by Hidaka, Chiharu, Takizawa, Takeo

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