391 research outputs found

    Neural Plasticity of Neonatal Hypoglossal Nerve for Effective Suckling

    Get PDF
    “This is a preprint of an article published in JOURNAL OF NEUROSCIENCE RESEARCH 2007; 85(11): 2518-2526”ArticleJournal of Neuroscience Research. 85(11): 2518-2526 (2007)journal articl

    Amplified spontaneous emission and lasing in conducting polymers and fluorescent dyes in opals as photonic crystals

    Full text link
    This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. This article appeared in K. Yoshino, S. Tatsuhara, Y. Kawagishi, M. Ozaki, A. A. Zakhidov, and Z. V. Vardeny, Appl. Phys. Lett. 74, 2590 (1999) and may be found at https://doi.org/10.1063/1.123907

    Observation of inhibited spontaneous emission and stimulated emission of rhodamine 6G in polymer replica of synthetic opal

    Full text link
    This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. This article appeared in K. Yoshino, S. B. Lee,b) S. Tatsuhara, Y. Kawagishi, and M. Ozaki, and A. A. Zakhidov, Appl. Phys. Lett. 73, 3506 (1998) and may be found at https://doi.org/10.1063/1.122819

    Optical properties of substituted phthalocyanine rare-earth metal complexes

    Get PDF
    Comparative study of optical properties of alkylthio-group-substituted phthalocyanine rare-earth metal sandwich complexes ([(CnS)(8)Pc](2)M,M=Eu,Lu,Tb) is presented. Photoluminescence and photoconductivity of [(CnS)(8)Pc](2)M complex is very weak. Two photoluminescence bands were observed at around 400-650 and 720-800 nm in chloroform solution corresponding to the Soret and Q bands in the absorption spectra, respectively. However, the emission from Eu3+ ion (as well as Tb3+) was not found compared with other Eu complexes because the 5d levels of the Eu3+ ion lie higher than the triplet level of the ligand. The significant enhancement of the photoconductivity of [(C16S)(8)Pc](2)M after C-60 doping is reported. The photoconductivity is positive at the low electric field in the ohmic regime while it becomes negative at the high electric field upon photoexcitation with strongly absorbed light. The negative photoconductivity is attributed to space-charge effects. The mechanism of photoluminescence and photoconductivity are discussed by taking the electronic energy schemes of phthalocyanine ligands and lanthanide ion and C-60 into consideration.ArticleJOURNAL OF APPLIED PHYSICS. 88(12):7137-7143 (2000)journal articl

    Optical properties of substituted phthalocyanine rare-earth metal complexes

    Full text link
    Comparative study of optical properties of alkylthio-group-substituted phthalocyanine rare-earth metal sandwich complexes ([(CnS)8Pc]2M,M=Eu,Lu,Tb) is presented. Photoluminescence and photoconductivity of [(CnS)8Pc]2M complex is very weak. Two photoluminescence bands were observed at around 400–650 and 720–800 nm in chloroform solution corresponding to the Soret and Q bands in the absorption spectra, respectively. However, the emission from Eu3+ ion (as well as Tb3+) was not found compared with other Eu complexes because the 5d levels of the Eu3+ ion lie higher than the triplet level of the ligand. The significant enhancement of the photoconductivity of [(C16S)8Pc]2M after C60 doping is reported. The photoconductivity is positive at the low electric field in the ohmic regime while it becomes negative at the high electric field upon photoexcitation with strongly absorbed light. The negative photoconductivity is attributed to space-charge effects. The mechanism of photoluminescence and photoconductivity are discussed by taking the electronic energy schemes of phthalocyanine ligands and lanthanide ion and C60 into consideration.This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. This article appeared in K. Yoshino, S. B. Lee, T. Sonoda, H. Kawagishi, R. Hidayat, K. Nakayama, M. Ozaki, K. Ban, K. Nishizawa, K. Ohta, and H. Shirai, Journal of Applied Physics 88, 7137 (2000) and may be found at https://doi.org/10.1063/1.1316050

    Points, Walls and Loops in Resonant Oscillatory Media

    Full text link
    In an experiment of oscillatory media, domains and walls are formed under the parametric resonance with a frequency double the natural one. In this bi-stable system, %phase jumps π\pi by crossing walls. a nonequilibrium transition from Ising wall to Bloch wall consistent with prediction is confirmed experimentally. The Bloch wall moves in the direction determined by its chirality with a constant speed. As a new type of moving structure in two-dimension, a traveling loop consisting of two walls and Neel points is observed.Comment: 9 pages (revtex format) and 6 figures (PostScript

    Optical properties of substituted phthalocyanine rare-earth metal complexes

    Get PDF
    Comparative study of optical properties of alkylthio-group-substituted phthalocyanine rare-earth metal sandwich complexes ([(CnS)(8)Pc](2)M,M=Eu,Lu,Tb) is presented. Photoluminescence and photoconductivity of [(CnS)(8)Pc](2)M complex is very weak. Two photoluminescence bands were observed at around 400-650 and 720-800 nm in chloroform solution corresponding to the Soret and Q bands in the absorption spectra, respectively. However, the emission from Eu3+ ion (as well as Tb3+) was not found compared with other Eu complexes because the 5d levels of the Eu3+ ion lie higher than the triplet level of the ligand. The significant enhancement of the photoconductivity of [(C16S)(8)Pc](2)M after C-60 doping is reported. The photoconductivity is positive at the low electric field in the ohmic regime while it becomes negative at the high electric field upon photoexcitation with strongly absorbed light. The negative photoconductivity is attributed to space-charge effects. The mechanism of photoluminescence and photoconductivity are discussed by taking the electronic energy schemes of phthalocyanine ligands and lanthanide ion and C-60 into consideration.ArticleJOURNAL OF APPLIED PHYSICS. 88(12):7137-7143 (2000)journal articl
    corecore