Correlation Factor of Impurity Diffusion in Diamond Lattice

1969 ◽  
Vol 177 (3) ◽  
pp. 1334-1340 ◽  
Author(s):  
S. M. Hu
Keyword(s):  
Correlation Factor ◽  
Diamond Lattice ◽  
Impurity Diffusion

On the Correlation Factor for Diffusion in the f.c.c- and NaCl-Structure

1973 ◽  
Vol 28 (11) ◽  
pp. 1843-1846 ◽  
Author(s):  
A. E. P. M. Abels ◽  
H. Bakker
Keyword(s):  
Exchange Rates ◽  
Correlation Factor ◽  
Impurity Diffusion ◽  
Vacancy Mechanism

The correlation factor for impurity diffusion in the f.c.c.-structure by means of a vacancy mechanism is calculated as a function of nine distinct vacancy-atom exchange rates.Furthermore an expression is derived for the correlation factor for diffusion of aliovalent impurities in the NaCl-structure including an electrostatic impurity-vacancy interaction.

Calculation of the Correlation Factor for Diffusion in the Diamond Structure Including Electrostatic Impurity-Vacancy Interaction

1972 ◽  
Vol 27 (10) ◽  
pp. 1467-1472
Author(s):  
H. Barker ◽  
H Mirani
Keyword(s):  
Exchange Rates ◽  
Correlation Factor ◽  
Impurity Diffusion ◽  
Diamond Structure ◽  
Impurity Interaction

Abstract An expression for the correlation factor of impurity diffusion in the diamond structure as a function of five distinct atom-vacancy exchange rates is derived. Furthermore, the effect on the correlation factor of electrostatic vacancy-impurity interaction is included in the calculation. Differences with results obtained by other authors are discussed.

A further Consideration of the Correlation Factor for Impurity Diffusion in the Diamond Structure

1973 ◽  
Vol 28 (2) ◽  
pp. 293-296 ◽  
Author(s):  
H. Bakker ◽  
H.V.M. Mirani
Keyword(s):  
Exchange Rates ◽  
Long Range ◽  
Correlation Factor ◽  
Impurity Diffusion ◽  
Diamond Structure ◽  
Frequency Model ◽  
The Difference

The correlation factor for impurity diffusion by single vacancies in the diamond structure is calculated taking into account eight distinct vacancy-atom exchange rates. Arguments are given that such a model is physically more realistic than the usual four frequency model. It turns out that the difference from the results obtained by the latter model can become large.A long range Coulombic impurity-vacancy interaction is also included.

Correlation Factor for the Diffusion of Charged Impurities in the Diamond Structure

1971 ◽  
Vol 26 (2) ◽  
pp. 308-316
Author(s):  
H . Mehrer
Keyword(s):  
General Expression ◽  
Coulomb Force ◽  
Correlation Factor ◽  
Impurity Diffusion ◽  
Diamond Structure ◽  
Jump Frequency ◽  
Frequency Model ◽  
Nearest Neighbours ◽  
Pure Matrix ◽  
Jump Frequencies

Abstract The correlation factor for impurity diffusion by a vacancy-mechanism is a function of the vacancy-jump frequencies in the surroundings of the diffusing atom. Since in Si and Ge the vacancy can act as an acceptor, a long-range Coulomb interaction between donor atoms and vacancies exists. The usual assumption, that only a few vacancy-jump frequencies in the immediate surroundings of the vacancy are different from the jump frequency in the pure matrix, is not justified in this case. A very general expression for the correlation factor of impurity-diffusion in the diamond structure is deduced. Vacancy-jump frequencies for jumps which originate from first-, second-, and third-nearest neighbours are treated explicitely. For more remote jumps the Coulomb force is taken into account as a drift force operating on the migrating vacancy. After specializing the general expression it is compared with the well-known ,,four-frequency-model" of Manning.

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