Research Update: Magnetic phase diagram of EuTi1-xBxO3 (B = Zr, Nb)

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

doi:10.1063/1.4902137

Title: Research Update: Magnetic phase diagram of EuTi_1-xB_xO₃ (B = Zr, Nb)

Journal Article · Fri Nov 21 00:00:00 EST 2014 · APL Materials

DOI:https://doi.org/10.1063/1.4902137· OSTI ID:1286824

Li, Ling ^[1]; Zhou, Haidong ^[1]; Yan, Jiaqiang ^[2]; Mandrus, David ^[2]; Keppens, Veerle ^[1]

Univ. of Tennessee, Knoxville, TN (United States)
Univ. of Tennessee, Knoxville, TN (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)

Herein, 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 TN of EuTi_1-xZr_xO₃ 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 EuTi_1-xNb_xO₃ with x > 0.05. Lastly, 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.

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Research Organization:: Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)

Sponsoring Organization:: USDOE Office of Science (SC)

Grant/Contract Number:: AC05-00OR22725

OSTI ID:: 1286824

Journal Information:: APL Materials, Vol. 2, Issue 11; ISSN 2166-532X

Publisher:: American Institute of Physics (AIP)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 26 works

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Giant low-field magnetocaloric effect in single-crystalline EuTi _0.85 Nb _0.15 O ₃ Roy, S.; Khan, N.; Mandal, P. APL Materials, Vol. 4, Issue 2 https://doi.org/10.1063/1.4940960	journal	February 2016
Colossal magnetoresistance in low-doped EuTi _{1− x} Nb _x O ₃ ( x = 0.003 and 0.005) Midya, A.; Rubi, Km; Mahendiran, R. Journal of Applied Physics, Vol. 125, Issue 2 https://doi.org/10.1063/1.5071448	journal	January 2019
Temperature dependent transport spin-polarization in the low Curie temperature complex itinerant ferromagnet EuTi _{1− x} Nb _x O ₃ Kamboj, Suman; Roy, Deepak K.; Roy, Susmita Journal of Physics: Condensed Matter, Vol. 31, Issue 41 https://doi.org/10.1088/1361-648x/ab2cbd	journal	July 2019
Large low-field magnetic refrigeration in ferromagnetic insulator ${EuTi}_{0.9} V_{0.1} O_{3}$ Roy, S.; Das, M.; Mandal, P. Physical Review Materials, Vol. 2, Issue 6 https://doi.org/10.1103/physrevmaterials.2.064412	journal	June 2018

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