Orbital-Specific Energy Transfer

2010 ◽  
Vol 132 (7) ◽  
pp. 2208-2221 ◽  
Author(s):  
Troy E. Knight ◽  
James K. McCusker
Keyword(s):  
Energy Transfer ◽  
Specific Energy

scholarly journals Unraveling the site-specific energy transfer driven tunable emission characteristics of Eu3+ & Tb3+ co-doped Ca10(PO4)6F2 phosphors

RSC Advances ◽  
2021 ◽  
Vol 11 (50) ◽  
pp. 31421-31432
Author(s):  
Nimai Pathak ◽  
Bhagyalaxmi Chundawat ◽  
Pratik Das ◽  
Pampa Modak ◽  
Brindaban Modak
Keyword(s):  
Energy Transfer ◽  
Specific Energy ◽  
Emission Characteristics ◽  
Site Specific ◽  
Co Doped ◽  
Tunable Emission

Various site specific energy transfer (ET) process such as Tb3+@Ca2 → Eu3+@Ca1, Tb3+@Ca1 → Eu3+@Ca2 and Tb3+@Ca1 → Eu3+@Ca1 were explored in Eu3+ and Tb3+ co-doped Ca10(PO4)6F2 phosphor, which are responsible for tunable colour characteristics.

A quantitative approach to inner shell losses

1978 ◽  
Vol 36 (1) ◽  
pp. 526-527 ◽  
Author(s):  
R.D. Leapman ◽  
P. Rez ◽  
D.F. Mayers
Keyword(s):  
Energy Transfer ◽  
Cross Section ◽  
Cross Sections ◽  
Accurate Determination ◽  
Background Intensity ◽  
Core Excitation ◽  
Quantitative Basis ◽  
Cross Section Differential ◽  
Bound Electrons

Microanalysis by EELS has been developing rapidly and though the general form of the spectrum is now understood there is a need to put the technique on a more quantitative basis (1,2). Certain aspects important for microanalysis include: (i) accurate determination of the partial cross sections, σx(α,ΔE) for core excitation when scattering lies inside collection angle a and energy range ΔE above the edge, (ii) behavior of the background intensity due to excitation of less strongly bound electrons, necessary for extrapolation beneath the signal of interest, (iii) departures from the simple hydrogenic K-edge seen in L and M losses, effecting σx and complicating microanalysis. Such problems might be approached empirically but here we describe how computation can elucidate the spectrum shape.The inelastic cross section differential with respect to energy transfer E and momentum transfer q for electrons of energy E0 and velocity v can be written as

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