Electron Imaging of Pyrrhotite Superstructures

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Science  27 Dec 1974:
Vol. 186, Issue 4170, pp. 1209-1212
DOI: 10.1126/science.186.4170.1209


Natural pyrrhotites, when studied by high resolution electron microscopy, yield crystallographic information on a unit cell scale. Structural heterogeneity is prominent. The many reported superstructures are interpretable through an antiphase model. The 5C pyrrhotite superstructure results from an ordered sequence of antiphase domains while the higher temperature NC type results from a disordered sequence.

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