منابع مشابه
Amplified Spontaneous Emission Properties of Semiconducting Organic Materials
This paper aims to review the recent advances achieved in the field of organic solid-state lasers with respect to the usage of semiconducting organic molecules and oligomers in the form of thin films as active laser media. We mainly focus on the work performed in the last few years by our research group. The amplified spontaneous emission (ASE) properties, by optical pump, of various types of m...
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Semiconducting materials such as CdSe, CdS, PbS and GaP are included in crystalline zeolite Y and mordenite and structurally flexible ethylenemethacrylic acid copolymer solid matrices. EXAFS anal sis reveals formation of while the polymer matrices allow agglomeration of larger semiconducting particles. Zeolite anchored structures are distinctively different to small particles with bulk crystal ...
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The syntheses and structures of five iodobismuthate and nine iodoantimonate hybrid materials are presented. The 1,3-dimethyl-2-oxo-2,3-dihydropyrimidinium cation has been used to template the isostructural, one-dimensional [C6H9N2O][SbI4] (I) and [C6H9N2O][BiI4] (II), while 4-methylmorpholinium templates the compounds, [C5H12NO]4[Sb6I22] (III) and [C5H12NO]4[Bi4I16] (IV), both containing isolat...
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*Correspondence: Petra Granitzer , Institute of Physics, Karl-Franzens-University Graz, Universitaetsplatz 5, A-8010 Graz, Austria e-mail: [email protected] In this review, the fabrication of porous silicon/magnetic nanocomposite materials and their physical properties are elucidated. Especially, the investigation of the presented systems with respect to their magnetic properties is r...
متن کاملSemiconducting properties of cup-stacked carbon nanotubes
The current–voltage characteristics of individual cup-stacked carbon nanotubes (CSCNTs) were investigated in situ inside the transmission electron microscope. Different from other quasi-1D carbon structures such as multi-walled carbon nanotubes, carbon nanofibers or graphitic fibers that normally behave as a metallic conductor of electrons, individual CSCNTs were found to exhibit unexpectedly s...
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ژورنال
عنوان ژورنال: The Journal of the Institute of Television Engineers of Japan
سال: 1973
ISSN: 1884-9644
DOI: 10.3169/itej1954.27.630