Emission Decay Kinetics of Pb2 Ions in Potassium Halide Crystals. Application of Tokuyama-Mori Formalism
نویسنده
چکیده
Die Anwendung des Tokuyama-Mori Formalismus f ur die Beschreibung des Emissionsabfalls im spezifischen physikalischen System von Pb2-Ionen in einer Kaliumhalogenid-Kristallmatrix wird gezeigt. Der Emissionsabfall wird vom Pikosekundenbis zum Mikrosekundenbereich numerisch berechnet, um zu zeigen, in welchem Ausma die Resultate von der allgemein gebrauchlichen PauliMastergleichung abweichen.
منابع مشابه
Investigation on Comparative Optical Absorption and Luminescent Property of Cerium Doped Potassium Halide Single Crystals
The comparison of Optical absorption, Photoluminescence (PL), Thermoluminescence (TL) and other optical studies of X-ray irradiated Ce 3+ doped KBr and KI single crystals were discussed. Photoluminescence of these crystals exhibits characteristic Ce 3+ emission due to 5d-4f transition in both the studied material in addition to the host emission. Optical absorption and PL studies confirm the pr...
متن کاملNanoporous Xerogel for Adsorption of Pb2+ and Cd2+
Classical xerogels are robust, inexpensive and nontoxic materials with low-ordered nanoporous structures. In water streams where the pH is higher than the Point of Zero Charge, the surface of classical xerogels such as tetraethoxy orthosilan (TEOS) xerogel is negatively charged. It was assumed that a xerogel can work as a strong adsorbent for metal ions without further modification. Therefore, ...
متن کاملConcentration Dependence Study of VUV-UV-Visible Luminescence of Ndand Gd in LuLiF4
An overview of absorption and luminescence characteristics of Nd and Gd centers in a LiLuF4 single crystal host is provided. Single crystals doped with the above rare earth ions were prepared by micro-pulling-down technique in the form of rods a few cm long with a diameter of about 2 mm. Excitation and emission spectra and fast decay kinetics in VUV and UV spectral regions were measured at room...
متن کاملExperimental modeling of the adsorption kinetics of Cd (II) and Pb (II) ions by Calix [4] arene surface
The removal of Cd2+ and Pb2+ ions from wastewater using p-tert-butyl-calix[4] arene was investigated in terms of initial pH, initial concentration, adsorbent dosage, contact time and temperature. The maximum adsorption occurred at the pH value of 6. The adsorbent studied exhibits high efficiency for Cd (II)and Pb (II) adsorption and the equilibrium states could be achieved in 10 min. Adsorption...
متن کاملSeparation of Lead with a Novel Ion Separating Agent Prepared by Clothing a Chitin Whisker on a Potassium Tetratitanate Whisker
Separation of Pb2+ from Cu2+-Pb2+ mixed solution by a newly-developed ion separating agent was examined, which was obtained by clothing chitin whiskers (ChW) on the surface of potassium tetratitanate whiskers (PTW). The separation capability and mechanism of the ion separating agent (ChW-PTW) was determined, based on the difference of the adsorption isotherm pattern and the adsorption kinetics ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
عنوان ژورنال:
دوره شماره
صفحات -
تاریخ انتشار 1998