Abstract
The role of disorder in impurity bands in mixed organic crystals is examined in terms of the Anderson model. A coherent potential approximation is used to calculate averaged Green's functions; the L(E) criterion is employed to study the transition in the nature of the eigenstates. The transition is found to take place at a concentration c̄, which is qualitatively in agreement with experiments. Our interpretation of the experimental results indicate a continuous variation of the transport properties above c̄. Electronic energy transfer experiments in mixed organic solids can give a unique opportunity to study basic questions of localization effects.
Original language | English |
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Pages (from-to) | 833-836 |
Number of pages | 4 |
Journal | Solid State Communications |
Volume | 44 |
Issue number | 6 |
DOIs | |
State | Published - Nov 1982 |
Externally published | Yes |