Rhombohedral-to-orthorhombic transition and multiferroic properties of Dy-substituted BiFeO3

V. A. Khomchenko; D. V. Karpinsky; A. L. Kholkin; N. A. Sobolev; G. N. Kakazei; J. P. Araujo; I. O. Troyanchuk; B. F.O. Costa; J. A. Paixão

doi:10.1063/1.3486500

Rhombohedral-to-orthorhombic transition and multiferroic properties of Dy-substituted BiFeO₃

V. A. Khomchenko
, D. V. Karpinsky
, A. L. Kholkin
, N. A. Sobolev
, G. N. Kakazei
, J. P. Araujo
, I. O. Troyanchuk
, B. F.O. Costa
, J. A. Paixão

University of Coimbra
University of Aveiro
University of Porto
NASU - Institute of Magnetism of NAS and MES of Ukraine
Belarus Academy of Sciences

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

92 Atsauces (Scopus)

Kopsavilkums

Investigation of crystal structure, ferroelectric, and magnetic properties of polycrystalline Bi_1-xDy_xFeO₃ (0.1≤x≤0.2) samples was carried out. X-ray diffraction study revealed composition-driven rhombohedral-to-orthorhombic R3c→Pnma phase transition at x∼0.15. Both structural phases were found to coexist in a broad concentration range. Piezoresponse force microscopy found suppression of the parent ferroelectric phase upon dysprosium substitution. Magnetometric study confirmed that the A -site doping induces appearance of a weak ferromagnetic behavior. Both the ferroelectric and magnetic properties were shown to correlate with a structural evolution.

Oriģinālvaloda	Angļu
Raksta numurs	074109
Žurnāls	Journal of Applied Physics
Sējums	108
Izdevuma numurs	7
DOIs	https://doi.org/10.1063/1.3486500
Publikācijas statuss	Publicēts - 1 okt. 2010
Ārēji publicēts	Jā

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title = "Rhombohedral-to-orthorhombic transition and multiferroic properties of Dy-substituted BiFeO3",

abstract = "Investigation of crystal structure, ferroelectric, and magnetic properties of polycrystalline Bi1-xDyxFeO3 (0.1≤x≤0.2) samples was carried out. X-ray diffraction study revealed composition-driven rhombohedral-to-orthorhombic R3c→Pnma phase transition at x∼0.15. Both structural phases were found to coexist in a broad concentration range. Piezoresponse force microscopy found suppression of the parent ferroelectric phase upon dysprosium substitution. Magnetometric study confirmed that the A -site doping induces appearance of a weak ferromagnetic behavior. Both the ferroelectric and magnetic properties were shown to correlate with a structural evolution.",

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AU - Khomchenko, V. A.

AU - Karpinsky, D. V.

AU - Kholkin, A. L.

AU - Sobolev, N. A.

AU - Kakazei, G. N.

AU - Araujo, J. P.

AU - Troyanchuk, I. O.

AU - Costa, B. F.O.

AU - Paixão, J. A.

PY - 2010/10/1

Y1 - 2010/10/1

N2 - Investigation of crystal structure, ferroelectric, and magnetic properties of polycrystalline Bi1-xDyxFeO3 (0.1≤x≤0.2) samples was carried out. X-ray diffraction study revealed composition-driven rhombohedral-to-orthorhombic R3c→Pnma phase transition at x∼0.15. Both structural phases were found to coexist in a broad concentration range. Piezoresponse force microscopy found suppression of the parent ferroelectric phase upon dysprosium substitution. Magnetometric study confirmed that the A -site doping induces appearance of a weak ferromagnetic behavior. Both the ferroelectric and magnetic properties were shown to correlate with a structural evolution.

AB - Investigation of crystal structure, ferroelectric, and magnetic properties of polycrystalline Bi1-xDyxFeO3 (0.1≤x≤0.2) samples was carried out. X-ray diffraction study revealed composition-driven rhombohedral-to-orthorhombic R3c→Pnma phase transition at x∼0.15. Both structural phases were found to coexist in a broad concentration range. Piezoresponse force microscopy found suppression of the parent ferroelectric phase upon dysprosium substitution. Magnetometric study confirmed that the A -site doping induces appearance of a weak ferromagnetic behavior. Both the ferroelectric and magnetic properties were shown to correlate with a structural evolution.

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