Large coupled magnetoresponses in EuNbO2N

A. Belen Jorge; Judith Oró-Solé; Ana M. Bea; Nandang Mufti; Thomas T.M.  Palstra; Jennifer A. Rodgers; J. Paul Attfield; Amparo Fuertes

doi:10.1021/ja804139g

Large coupled magnetoresponses in EuNbO2N

A. Belen Jorge, Judith Oró-Solé, Ana M. Bea, Nandang Mufti, Thomas T.M. Palstra, Jennifer A. Rodgers, J. Paul Attfield, Amparo Fuertes

Research output: Contribution to journal › Article › Academic › peer-review

96 Citations (Scopus)

Abstract

We have explored a new strategy to discover materials with large resistive or capacitive responses to magnetic fields by synthesizing EuMO2N (M = Nb, Ta) perovskites that combine ferromagnetic order of S = 7/2 Eu2+ spins with possible offcenter distortions of the d(0) M5+ cations enhanced by covalent bonding to N. EuNbO2N shows colossal magnetoresistances at low temperatures and a giant magnetocapacitance. However, the latter response originates from a microstructural effect rather than an intrinsic multiferroism.

Original language	English
Pages (from-to)	12572-12573
Number of pages	2
Journal	Journal of the American Chemical Society
Volume	130
Issue number	38
DOIs	https://doi.org/10.1021/ja804139g
Publication status	Published - 24 Sept 2008
Externally published	Yes

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10.1021/ja804139g

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title = "Large coupled magnetoresponses in EuNbO2N",

abstract = "We have explored a new strategy to discover materials with large resistive or capacitive responses to magnetic fields by synthesizing EuMO2N (M = Nb, Ta) perovskites that combine ferromagnetic order of S = 7/2 Eu2+ spins with possible offcenter distortions of the d(0) M5+ cations enhanced by covalent bonding to N. EuNbO2N shows colossal magnetoresistances at low temperatures and a giant magnetocapacitance. However, the latter response originates from a microstructural effect rather than an intrinsic multiferroism.",

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AU - Jorge, A. Belen

AU - Oró-Solé, Judith

AU - Bea, Ana M.

AU - Mufti, Nandang

AU - Palstra, Thomas T.M.

AU - Rodgers, Jennifer A.

AU - Attfield, J. Paul

AU - Fuertes, Amparo

PY - 2008/9/24

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N2 - We have explored a new strategy to discover materials with large resistive or capacitive responses to magnetic fields by synthesizing EuMO2N (M = Nb, Ta) perovskites that combine ferromagnetic order of S = 7/2 Eu2+ spins with possible offcenter distortions of the d(0) M5+ cations enhanced by covalent bonding to N. EuNbO2N shows colossal magnetoresistances at low temperatures and a giant magnetocapacitance. However, the latter response originates from a microstructural effect rather than an intrinsic multiferroism.

AB - We have explored a new strategy to discover materials with large resistive or capacitive responses to magnetic fields by synthesizing EuMO2N (M = Nb, Ta) perovskites that combine ferromagnetic order of S = 7/2 Eu2+ spins with possible offcenter distortions of the d(0) M5+ cations enhanced by covalent bonding to N. EuNbO2N shows colossal magnetoresistances at low temperatures and a giant magnetocapacitance. However, the latter response originates from a microstructural effect rather than an intrinsic multiferroism.

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JF - Journal of the American Chemical Society

IS - 38

ER -

Large coupled magnetoresponses in EuNbO2N

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