Research Update: Magnetic phase diagram of EuTi1-x B xO3 (B = Zr, Nb)

Ling Li; Haidong Zhou; Jiaqiang Yan; David Mandrus; Veerle Keppens

doi:10.1063/1.4902137

Research Update: Magnetic phase diagram of EuTi_1-x B _xO₃ (B = Zr, Nb)

Ling Li, Haidong Zhou, Jiaqiang Yan, David Mandrus, Veerle Keppens

Correlated Electron Materials

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Abstract

We report the magnetic phase diagram of EuTi_1-xB_xO₃ (B = Zr, Nb), determined from magnetization and heat capacity measurements. Upon Zr-doping, the antiferromagnetic ordering temperature T_N of EuTi_1-xZr_xO₃ gradually decreases from 5.6 K (x = 0) to 4.1 K (x = 1). Whereas a similar decrease in T_N is observed for small amounts of Nb doping (x ≤ 0.05), ferromagnetism is induced in EuTi_1-xNb_xO₃ with x > 0.05. The ferromagnetic interaction between localized Eu 4f spins mediated by itinerant electrons introduced by Nb doping results in the ferromagnetism in EuTi_1-xNb_xO₃.

Original language	English
Article number	110701
Journal	APL Materials
Volume	2
Issue number	11
DOIs	https://doi.org/10.1063/1.4902137
State	Published - Nov 2014

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abstract = "We report the magnetic phase diagram of EuTi1-xBxO3 (B = Zr, Nb), determined from magnetization and heat capacity measurements. Upon Zr-doping, the antiferromagnetic ordering temperature TN of EuTi1-xZrxO3 gradually decreases from 5.6 K (x = 0) to 4.1 K (x = 1). Whereas a similar decrease in TN is observed for small amounts of Nb doping (x ≤ 0.05), ferromagnetism is induced in EuTi1-xNbxO3 with x > 0.05. The ferromagnetic interaction between localized Eu 4f spins mediated by itinerant electrons introduced by Nb doping results in the ferromagnetism in EuTi1-xNbxO3.",

author = "Ling Li and Haidong Zhou and Jiaqiang Yan and David Mandrus and Veerle Keppens",

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AU - Mandrus, David

AU - Keppens, Veerle

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N2 - We report the magnetic phase diagram of EuTi1-xBxO3 (B = Zr, Nb), determined from magnetization and heat capacity measurements. Upon Zr-doping, the antiferromagnetic ordering temperature TN of EuTi1-xZrxO3 gradually decreases from 5.6 K (x = 0) to 4.1 K (x = 1). Whereas a similar decrease in TN is observed for small amounts of Nb doping (x ≤ 0.05), ferromagnetism is induced in EuTi1-xNbxO3 with x > 0.05. The ferromagnetic interaction between localized Eu 4f spins mediated by itinerant electrons introduced by Nb doping results in the ferromagnetism in EuTi1-xNbxO3.

AB - We report the magnetic phase diagram of EuTi1-xBxO3 (B = Zr, Nb), determined from magnetization and heat capacity measurements. Upon Zr-doping, the antiferromagnetic ordering temperature TN of EuTi1-xZrxO3 gradually decreases from 5.6 K (x = 0) to 4.1 K (x = 1). Whereas a similar decrease in TN is observed for small amounts of Nb doping (x ≤ 0.05), ferromagnetism is induced in EuTi1-xNbxO3 with x > 0.05. The ferromagnetic interaction between localized Eu 4f spins mediated by itinerant electrons introduced by Nb doping results in the ferromagnetism in EuTi1-xNbxO3.

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Research Update: Magnetic phase diagram of EuTi_1-x B _xO₃ (B = Zr, Nb)

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