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1
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Materials Science Poland
2004 Vol. 22, No. 4 359--364
EN We have measured the polarized reflectivity spectra of three BETS-based organic metals with the a-phase structure: a-(BETS)2NH4Hg(SCN)4 (I), a-(BETS)2TlHg(SeCN)4 (II), and a-(BETS)2Cu5I6 (III) in the range of 600-6500 cm-1. The spectra exhibit a metallic-type reflection with the plasma edge about 40[...]
2
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Opto - Electronics Review
EN Properties of excitons confined to potential fluctuations due to indium distribution in the wetting layer which accompany self-assembled InAs/GaAs quantum dots are reviewed. Spectroscopic studies are summarized including time-resolved photoluminescence and corresponding single-photon emission correl[...]
3
80%
International Letters of Chemistry, Physics and Astronomy
EN ZnO thin films with Cd/Zn nominal ratios of 0 %, 1 %, 3 %, 5 %, and 7 % and thickness of 0.7 μm were prepared by chemical spray pyrolysis. X-ray diffraction patterns showed that the films have polycrystalline structures and peaks matching the hexagonal ZnO structure. Crystallite sizes ranged from ab[...]
4
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Optica Applicata
2006 Vol. 36, nr 4 s. 443--450
EN Optical properties and electronic structure of Pr3+ ion in KLa0.75Pr0.25(MoO4)2 have been investigated. The standard spectroscopy (excitation and photoluminescence spectra) and the high pressure spectroscopy methods have been used. Hydrostatic pressure up to 100 kbar has been applied in diamond anvi[...]
5
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International Letters of Chemistry, Physics and Astronomy
2014 Vol. 4 37--47
EN In this work, ZnO films were prepared by drop casting technique. The films were deposited on quartz substrates under different annealing time (15,30,45 and 60 min.) at a constant temperature (800 °C). The optical properties were achieved by measuring the absorbance and transmittance spectra in the w[...]
6
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Acta Geophysica
2010 Vol. 58, no. 6 1147-1163
EN This study contains a comparative analysis of aerosol optical thickness (AOT) between numerical calculations obtained from the Navy Aerosol Analysis and Prediction System (NAAPS) model and direct observations from the AERONET robotic network and the Saharan Aerosol over WArsaw (SAWA) field campaign.[...]
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Optica Applicata
2011 Vol. 41, nr 4 979--987
EN In this investigation, SiO2/TiO2 thin films were prepared on glass and quartz glass substrates by dip coating sol-gel technique. The films were calcinated at 500 °C for 1 hour. Thickness of the films was estimated by ellipsometric measurements and it was in the range from about 30 nm to 700 nm. Refr[...]
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Optica Applicata
2010 Vol. 40, nr 2 367--374
EN Oxychloroborate glasses containing Dy3+ ions in the B2O3–PbCl2–PbO–Al2O3–WO3 system were studied using X-ray diffraction, Raman, FT-IR, absorption, excitation and luminescence spectroscopy. The results concerning glass preparation, short-range order structure and optical properties are reported. X-r[...]
9
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Materials Science Poland
2004 Vol. 22, No. 2 145--152
EN Emission spectra of Al2(WO4)3 doped with Eu3+ were recorded at room temperature (orthorhombic phase) and at 10 K (monoclinic phase). The luminescence excitation spectra and luminescence decay profiles were recorded for both structural modifications at RT and LN2T, and the luminescence lifetimes of E[...]
10
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Materials Science Poland
EN Silver nanorods and nanowires have been synthesized via a chemical process in aqueous phase by using ascorbic acid as a reducing agent and anionic surfactant dodecyl benzene sulfonic acid sodium (SDBS) as a capping agent. The products were characterized by X-ray diffraction (XRD) techniques and tran[...]
11
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Materials Science Poland
2009 Vol. 27, No. 2 477--484
EN Flower-shaped ZnO nanostructures, composed of ZnO nanorods, and sphere-shaped ZnO nanoclusters, composed of ZnO nanosheets, were synthesized by reacting zinc acetate dehydrate with sodium hydroxide and polyethylene glycol-20000 (PEG-20000) at 180 °C for 4 h in solution. The thickness of individual n[...]
12
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Materials Science Poland
2009 Vol. 27, No. 3 781--795
EN Some optical and electrical properties of 3-diethylamino-1-propylsulfonamide substituted zinc and metal-free phthalocyanines are presented. These materials are sensitive to NO2 even at concentrations as low as 0.1-2.5 ppm. Electrical conductivity and photoconductivity were used as the detection meth[...]
13
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Oceanologia
1999 No. 41 (3) 309-334
EN The main task of the Joint Polish-German Pomeranian Bay Project was to achieve a better understanding of the impact of freshwater discharge on this environment. The freshwater from the River Odra enters the Pomeranian Bay through four outlets. The most important of these is the River Swina, as it ca[...]
14
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Oceanologia
EN Statistical relationships between coefficients of light attenuation, scattering and backscattering at wavelength 550 nm derived from series of optical measurements performed in Baltic Sea waters are presented. The relationships were derived primarily to support data analysis from underwater imaging [...]
15
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Przemysł Chemiczny
2006 T. 85, nr 8-9 1274-1276
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Optica Applicata
EN This work is focused on structural and optical properties of TiO2 thin films doped with different amount of terbium. The thin films have been prepared by high energy reactive magnetron sputtering (HE RMS) and by low pressure hot target reactive magnetron sputtering (LP HTRS) processes. Thin films we[...]
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Optica Applicata
EN We present the results of optical measurements performed on structures consisting of an InGaAs quantum well (QW), separated by a thin barrier from a layer of self-assembled InGaAs quantum dots (QDs). Such a kind of design is called a tunnel injection structure, because its functionality is based on [...]
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Optica Applicata
EN Glassy enamels are characterized by high chemical durability. Their chemical resistance properties, however, differ from those observed for conventional oxide glasses. This is because of their specific chemical composition and microstructure determined by enamel technology. In longer periods of expl[...]
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Optica Applicata
EN Energy transfer processes from Cr3+ to Nd3+ and NIR luminescence of Nd3+ ions at 1.06 žm in Cr-Nd co-doped lead borate glasses have been investigated. The spectroscopic investigation indicates that Cr3+ ions are located at strong-field and weak-field sites. Replacing PbO by PbF2 in lead borate glass[...]
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International Letters of Chemistry, Physics and Astronomy
2015 Vol. 45 24--31
EN Fe2O3 thin films that doped by NiO were obtained on glass substrates by the chemical spray pyrolysis technique, and annealed at 450 ºC and 500 ºC. The effect of annealing on optical properties was studied by recording the absorbance spectra using UV-Visible spectrophotometer. T[...]
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