Dilute ruthenium impurities in CaTiO3 produce a ferromagnetic-like transition below 35 K, which the authors attribute to coupling between impurity spins and quantum paraelectric fluctuations.
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Evidence of the impurity spin coupling with quantum paraelectric fluctuations in CaTi1-xRuxO3
Dilute ruthenium impurities in CaTiO3 produce a ferromagnetic-like transition below 35 K, which the authors attribute to coupling between impurity spins and quantum paraelectric fluctuations.