A luminescence decay function encompassing the stretched exponential and the compressed hyperbola

作者: Mário N. Berberan-Santos

DOI: 10.1016/J.CPLETT.2008.06.023

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摘要: Abstract A luminescence relaxation function I ( t / τ 0 ; α , β ) unifying the stretched exponential with compressed hyperbola is obtained. The scaling parameter has dimensions of time, whereas shape-determining parameters and are dimensionless, both taking values between 1. For short times, always exponential, time constant . small close to for all times. also an when near unity. large long a provided that  > 0. recovered  = 0.

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