Magnetodielectric and magnetoelastic coupling in TbFe3(BO3)4

被引：59

作者：

Adem, U. ^{[1
]}

Wang, L. ^{[1
]}

Fausti, D. ^{[2
]}

Schottenhamel, W. ^{[1
]}

van Loosdrecht, P. H. M. ^{[3
]}

Vasiliev, A. ^{[4
]}

Bezmaternykh, L. N. ^{[5
]}

Buechner, B. ^{[1
]}

Hess, C. ^{[1
]}

Klingeler, R. ^{[1
,6
]}

机构：

[1] IFW Dresden, Leibniz Inst Solid State & Mat Res, Dresden, Germany

[2] Univ Hamburg, CFEL, Max Planck Grp Struct Dynam, Hamburg, Germany

[3] Univ Groningen, Zernike Inst Adv Mat, NL-9747 AG Groningen, Netherlands

[4] Moscow MV Lomonosov State Univ, Moscow 119992, Russia

[5] Russian Acad Sci, LV Kirensky Phys Inst, Siberian Div, Krasnoyarsk 660036, Russia

[6] Univ Heidelberg, Kirchhoff Inst Phys, Heidelberg, Germany

来源：

PHYSICAL REVIEW B | 2010年 / 82卷 / 06期

关键词：

DIELECTRIC-CONSTANTS; IRON; GDFE3(BO3)(4); MULTIFERROICS; TEMPERATURE;

D O I：

10.1103/PhysRevB.82.064406

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We have studied the magnetodielectric and magnetoelastic coupling in TbFe3(BO3)(4) single crystals by means of capacitance, magnetostriction, and Raman spectroscopy measurements. The data reveal strong magnetic field effects on the dielectric constant and on the macroscopic sample length which are associated to long-range magnetic ordering and a field-driven metamagnetic transition. We discuss the coupling of the dielectric, structural, and magnetic order parameters and attribute the origin of the magnetodielectric coupling to phonon mode shifts according to the Lyddane-Sachs-Teller relation.

引用

页数：5

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