Lattice constant measurements on the 106 K transition of SrTiO3
- 1 January 1974
- journal article
- research article
- Published by Taylor & Francis in Ferroelectrics
- Vol. 7 (1), 91-92
- https://doi.org/10.1080/00150197408237957
Abstract
The temperature dependence of the lattice constant of SrTiO3, in particular around the 106 K transition, has been measured by using a double-crystal X-ray diffraction method; a relative accuracy of 10−5 is attained. The results are compared with those of EPR in terms of static rotation ø of TiO6 octahedra around [001]. The transition is characterized by two temperature regions below Ta : Above 75 K an increase of rotation ø completely matches a contraction of the lattice constant a, while below 75 K ø does not match a.Keywords
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