Mn substitution-modified polar phase in the Bi1-xNd xFeO3 multiferroics

V. A. Khomchenko; D. V. Karpinsky; L. C.J. Pereira; A. L. Kholkin; J. A. Paixão

doi:10.1063/1.4810764

Mn substitution-modified polar phase in the Bi_1-xNd _xFeO₃ multiferroics

V. A. Khomchenko^*
, D. V. Karpinsky
, L. C.J. Pereira
, A. L. Kholkin
, J. A. Paixão

^*Šī darba korespondējošais autors

University of Coimbra
University of Aveiro
CFMCUL

Zinātniskās darbības rezultāts: Devums žurnālam › Zinātniskais raksts (žurnālā) › koleģiāli recenzēts

26 Atsauces (Scopus)

Kopsavilkums

Room-temperature crystal structure and multiferroic properties of the Bi_0.92Nd_0.08Fe_1-xMn_xO₃ (x ≤ 0.3) ferromanganites have been studied to reveal the effect of Mn doping on the magnetic and ferroelectric behaviors of the lanthanide-modified compound representing a polar (space group R3c) predominantly antiferromagnetic phase of the Bi_1-xLn_xFeO₃ perovskites. B-site substitution tends to suppress existing polar displacements and induces a ferroelectric-to-antiferroelectric transition near x = 0.2. The threshold concentration inducing the structural transformation does not coincide with that required to change the dominant magnetic interaction, so a weak ferromagnetic/ferroelectric state unusual for the Bi_1-xLn _xFeO₃ and BiFe_1-xMn_xO₃ series appears in the intermediate concentration range near the polar/nonpolar phase boundary.

Oriģinālvaloda	Angļu
Raksta numurs	214112
Žurnāls	Journal of Applied Physics
Sējums	113
Izdevuma numurs	21
DOIs	https://doi.org/10.1063/1.4810764
Publikācijas statuss	Publicēts - 7 jūn. 2013
Ārēji publicēts	Jā

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abstract = "Room-temperature crystal structure and multiferroic properties of the Bi0.92Nd0.08Fe1-xMnxO3 (x ≤ 0.3) ferromanganites have been studied to reveal the effect of Mn doping on the magnetic and ferroelectric behaviors of the lanthanide-modified compound representing a polar (space group R3c) predominantly antiferromagnetic phase of the Bi1-xLnxFeO3 perovskites. B-site substitution tends to suppress existing polar displacements and induces a ferroelectric-to-antiferroelectric transition near x = 0.2. The threshold concentration inducing the structural transformation does not coincide with that required to change the dominant magnetic interaction, so a weak ferromagnetic/ferroelectric state unusual for the Bi1-xLn xFeO3 and BiFe1-xMnxO3 series appears in the intermediate concentration range near the polar/nonpolar phase boundary.",

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AU - Khomchenko, V. A.

AU - Karpinsky, D. V.

AU - Pereira, L. C.J.

AU - Kholkin, A. L.

AU - Paixão, J. A.

PY - 2013/6/7

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AB - Room-temperature crystal structure and multiferroic properties of the Bi0.92Nd0.08Fe1-xMnxO3 (x ≤ 0.3) ferromanganites have been studied to reveal the effect of Mn doping on the magnetic and ferroelectric behaviors of the lanthanide-modified compound representing a polar (space group R3c) predominantly antiferromagnetic phase of the Bi1-xLnxFeO3 perovskites. B-site substitution tends to suppress existing polar displacements and induces a ferroelectric-to-antiferroelectric transition near x = 0.2. The threshold concentration inducing the structural transformation does not coincide with that required to change the dominant magnetic interaction, so a weak ferromagnetic/ferroelectric state unusual for the Bi1-xLn xFeO3 and BiFe1-xMnxO3 series appears in the intermediate concentration range near the polar/nonpolar phase boundary.

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