Аннотация: 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.
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Держатели документа:
[Adem, U.
Wang, L.
Schottenhamel, W.
Buechner, B.
Hess, C.
Klingeler, R.] IFW Dresden, Leibniz Inst Solid State & Mat Res, Dresden, Germany
[Fausti, D.] Univ Hamburg, CFEL, Max Planck Grp Struct Dynam, Hamburg, Germany
[van Loosdrecht, P. H. M.] Univ Groningen, Zernike Inst Adv Mat, NL-9747 AG Groningen, Netherlands
[Vasiliev, A.] Moscow MV Lomonosov State Univ, Moscow 119992, Russia
[Bezmaternykh, L. N.] Russian Acad Sci, LV Kirensky Phys Inst, Siberian Div, Krasnoyarsk 660036, Russia
[Klingeler, R.] Univ Heidelberg, Kirchhoff Inst Phys, Heidelberg, Germany
ИФ СО РАН
Leibniz Institute for Solid State and Materials Research, IFW Dresden, Dresden, Germany
Max Planck Group for Structural Dynamics, University of Hamburg-CFEL, Hamburg, Germany
Zernike Institute for Advanced Materials, University of Groningen, Nijenborgh 4, 9747 AG Groningen, Netherlands
Moscow State University, Moscow 119992, Russian Federation
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk 660036, Russian Federation
Kirchhoff Institute for Physics, University of Heidelberg, Heidelberg, Germany
Доп.точки доступа:
Adem, U.; Wang, L.; Fausti, D.; Schottenhamel, W.; van Loosdrecht, PHM; Vasiliev, A.; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Buchner, B.; Hess, C.; Klingeler, R.