Multiferroic polymer composite based on Heusler-type magnetic microwires with combined magnetocaloric and magnetoelectric effects

被引：7

作者：

Amirov, A. A. ^{[1
,2
,3
]}

Yusupov, D. M. ^{[1
,2
,3
]}

Mukhuchev, A. M. ^{[3
]}

Zhukov, A. ^{[4
,5
]}

Zhukova, V. ^{[4
]}

Rodionova, V. V. ^{[1
,2
,3
]}

Aliev, A. M. ^{[1
,2
,3
]}

机构：

[1] Immanuel Kant Balt Fed Univ, Lab Novel Magnet Mat, Nevskogo 14, Kaliningrad 236029, Russia

[2] Immanuel Kant Balt Fed Univ, Inst Phys Math & Informat Technol, Nevskogo 14, Kaliningrad 236029, Russia

[3] Russian Acad Sci, Daghestan Fed Res Ctr, Amirkhanov Inst Phys, Makhachkala 367003, Russia

[4] Univ Basque Country, Dept Fis Mater, San Sebastian 20018, Spain

[5] Ikerbasque, Basque Fdn Sci, Bilbao, Spain

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2020年 / 510卷

基金：

俄罗斯科学基金会;

关键词：

Heusler alloys; Magnetocaloric effect; Magnetic microwires; Magnetoelectric composites; Multiferroics; Magnetoelectric effect; Polymer composites; PVDF;

D O I：

10.1016/j.jmmm.2020.166884

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We have studied the magnetocaloric and magnetoelectric properties of a new type of the magnetoelectric composite that consisted of Heusler-type magnetic microwires embedded in a polyvinylidene fluoride piezoelectric polymer matrix fabricated using a modified solvent casting technique. The maximum of the adiabatic temperature change Delta T of similar to 0.04 K was observed around 276 K with narrow hysteresis accompanied with a maximum of magnetoelectric effect. Observed temperature dependences of the magnetocaloric and magnetoelectric effects can be associated with magnetic (paramagnetic-ferromagnetic) phase transition. The measurements of the magnetocaloric effect in modes with different frequencies (0.5-20 Hz) of the modulated magnetic field exhibit a reduction of Delta T about 38%.

引用

页数：4

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