Effect of phase transformation on the converse magnetoelectric properties of a heterostructure of Ni49.2Mn29.6Ga21.2and 0.7 PbMg1/3Nb2/3O3-0.3 PbTiO3crystals

M. Zeng; Siu Wing Or; Helen Lai Wa Chan

doi:10.1063/1.3427388

Effect of phase transformation on the converse magnetoelectric properties of a heterostructure of Ni_49.2Mn_29.6Ga_21.2and 0.7 PbMg_1/3Nb_2/3O₃-0.3 PbTiO₃crystals

M. Zeng, Siu Wing Or, Helen Lai Wa Chan

The Hong Kong Polytechnic University

Research output: Journal article publication › Journal article › Academic research › peer-review

17 Citations (Scopus)

Abstract

We report experimentally and theoretically the effect of phase transformation on the converse magnetoelectric (CME) properties of a heterostructure formed by one layer of piezoelectric 0.7 PbMg1/3Nb2/3O3-0.3 PbTiO3(PMN-PT) crystal sandwiched between two layers of ferromagnetic shape memory Ni49.2Mn29.6Ga21.2(Ni-Mn-Ga) crystal. The CME coefficient (αB) of the heterostructure remains minimally and relatively constant in the martensitic phase (<28 °C), attains its maximum value in the martensitic-austenitic phase transformation (28-39 °C), and decreases gradually with increasing temperature in the austenitic phase (>39 °C). Giant resonance αBof 18.6 G/V is found at 32 °C under a very low bias magnetic field of 150 Oe.

Original language	English
Article number	182503
Journal	Applied Physics Letters
Volume	96
Issue number	18
DOIs	https://doi.org/10.1063/1.3427388
Publication status	Published - 2 Jun 2010

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1063/1.3427388

http://hdl.handle.net/10397/2474

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title = "Effect of phase transformation on the converse magnetoelectric properties of a heterostructure of Ni49.2Mn29.6Ga21.2and 0.7 PbMg1/3Nb2/3O3-0.3 PbTiO3crystals",

abstract = "We report experimentally and theoretically the effect of phase transformation on the converse magnetoelectric (CME) properties of a heterostructure formed by one layer of piezoelectric 0.7 PbMg1/3Nb2/3O3-0.3 PbTiO3(PMN-PT) crystal sandwiched between two layers of ferromagnetic shape memory Ni49.2Mn29.6Ga21.2(Ni-Mn-Ga) crystal. The CME coefficient (αB) of the heterostructure remains minimally and relatively constant in the martensitic phase (<28 °C), attains its maximum value in the martensitic-austenitic phase transformation (28-39 °C), and decreases gradually with increasing temperature in the austenitic phase (>39 °C). Giant resonance αBof 18.6 G/V is found at 32 °C under a very low bias magnetic field of 150 Oe.",

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Effect of phase transformation on the converse magnetoelectric properties of a heterostructure of Ni_49.2Mn_29.6Ga_21.2and 0.7 PbMg_1/3Nb_2/3O₃-0.3 PbTiO₃crystals. / Zeng, M.; Or, Siu Wing; Chan, Helen Lai Wa.
In: Applied Physics Letters, Vol. 96, No. 18, 182503, 02.06.2010.

Research output: Journal article publication › Journal article › Academic research › peer-review

TY - JOUR

T1 - Effect of phase transformation on the converse magnetoelectric properties of a heterostructure of Ni49.2Mn29.6Ga21.2and 0.7 PbMg1/3Nb2/3O3-0.3 PbTiO3crystals

AU - Zeng, M.

AU - Or, Siu Wing

AU - Chan, Helen Lai Wa

PY - 2010/6/2

Y1 - 2010/6/2

N2 - We report experimentally and theoretically the effect of phase transformation on the converse magnetoelectric (CME) properties of a heterostructure formed by one layer of piezoelectric 0.7 PbMg1/3Nb2/3O3-0.3 PbTiO3(PMN-PT) crystal sandwiched between two layers of ferromagnetic shape memory Ni49.2Mn29.6Ga21.2(Ni-Mn-Ga) crystal. The CME coefficient (αB) of the heterostructure remains minimally and relatively constant in the martensitic phase (<28 °C), attains its maximum value in the martensitic-austenitic phase transformation (28-39 °C), and decreases gradually with increasing temperature in the austenitic phase (>39 °C). Giant resonance αBof 18.6 G/V is found at 32 °C under a very low bias magnetic field of 150 Oe.

AB - We report experimentally and theoretically the effect of phase transformation on the converse magnetoelectric (CME) properties of a heterostructure formed by one layer of piezoelectric 0.7 PbMg1/3Nb2/3O3-0.3 PbTiO3(PMN-PT) crystal sandwiched between two layers of ferromagnetic shape memory Ni49.2Mn29.6Ga21.2(Ni-Mn-Ga) crystal. The CME coefficient (αB) of the heterostructure remains minimally and relatively constant in the martensitic phase (<28 °C), attains its maximum value in the martensitic-austenitic phase transformation (28-39 °C), and decreases gradually with increasing temperature in the austenitic phase (>39 °C). Giant resonance αBof 18.6 G/V is found at 32 °C under a very low bias magnetic field of 150 Oe.

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DO - 10.1063/1.3427388

M3 - Journal article

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VL - 96

JO - Applied Physics Letters

JF - Applied Physics Letters

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Effect of phase transformation on the converse magnetoelectric properties of a heterostructure of Ni_49.2Mn_29.6Ga_21.2and 0.7 PbMg_1/3Nb_2/3O₃-0.3 PbTiO₃crystals

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