Tellurite And Fluorotellurite Glasses For Active And Passive

Glossary; MDO
Eυ = energy of quantum level υ
ESEM = environmental SEM
Eη = activation energy for viscous flow
ε = extinction coefficient
ε0 = dielectric permeability
f = frequency
fc = threshold frequency for ejection of photoelectrons
~
= wavenumber
f
F = force
FOG = fibre-on-glass 1
Fs = cation field strength
Ft = fraction of glass crystallised
FTIR = Fourier transform infrared (spectroscopy)
φ = angle
γ = absorbance
Γ = work function
h = Planck’s constant (6.62608×10 -34 J.s)
H = enthalpy
hkl = Miller indices
HMO = heavy metal oxide
hs = sample height
Hv = Vicker’s hardness
η = viscosity
ηn = kinetic energy dependent spectrometer transmission of species n in XPS
i = crystal nucleation frequency
I = intensity
I0 = initial intensity
Inϖ = intensity of n th harmonic
In = area of XPS peak of species n
IR = infrared
j = electron angular momentum
[J] = molar concentration of absorbing species J
JCPDS = Joint Committee on Powder Diffraction Standards
ϕ = transmittance
k = bond force constant
k = Boltzmann’s constant (1.38×10 -23 J.K -1 )
k0 = pre-exponential crystallisation rate constant
Kb = bulk modulus
kc = crystallisation rate constant
ke = anharmonic force constant
ktc = thermal conductivity
KH = Hurby’s thermal stability parameter
KI = stress intensity factor
κ = curvature of bottom of potential well
κd = thermal diffusivity
l = length
1 Idea conceived by Prof. P. Sewell, School of Electical and Electronic Engineering, Nottingham University
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