Abstract
Specific heat and magnetization measurements demonstrate that the antiferromagnetic (AFM) phase transition at T N = 5.7 K of EuTiO3 is rapidly suppressed with Sr doping in Eu x Sr1−x TiO3. Close to x = 0.25, T N = 0 K and AFM order vanishes. Above this critical concentration a finite transition temperature to an AFM phase is observed. The exchange couplings are derived as a function of x and the corresponding low temperature phase diagram is presented.
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Guguchia, Z., Keller, H., Bussmann-Holder, A. et al. The low temperature magnetic phase diagram of EuxSr1−xTiO3 . Eur. Phys. J. B 86, 409 (2013). https://doi.org/10.1140/epjb/e2013-40632-y
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DOI: https://doi.org/10.1140/epjb/e2013-40632-y
Keywords
- Solid State and Materials