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Modelling of extended microscale crystal defects

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Probing the structure of screw dislocations in Zeolite A

 

Taken from Dumrul et al. Microporous and mesoporous materials 54 (2002) 79 - 88

 

AFM shows growth spirals emerging from the {100} crystal face.

Zeolite A contains a channel system which permits transport into/out of the crystal.

How do dislocations change the transport properties? What is the structure of the dislocation core?

 

A. M. Walker, B. Slater, J.D. Gale and K. Wright

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