USGS · 70010263
Atomic displacements in ferroelectric trigonal and orthorhombic boracite structures
Abstract
New crystal-structure refinements of Pca 2 1 boracite, Mg 3 ClB 7 O 13 , and R ϵ c ericaite, Fe 2.4 Mg 0.6 ClB 7 O 13 , show that some boron and oxygen atoms are involved in the ‘ferro’ transitions as well as the metal and halogen atoms. The atomic displacements associated with the polarity changes are as large as 0.6Å.
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Eric Dowty, J. R. Clark. 1972. Atomic displacements in ferroelectric trigonal and orthorhombic boracite structures. https://doi.org/10.1016/0038-1098(72)90063-4
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