Strong magnetoelastic coupling in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mi>Mn</mml:mi><mml:mn>3</mml:mn></mml:msub><mml:mi>X</mml:mi></mml:mrow></mml:math> ( <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi>X</mml:mi><mml:mo>=</mml:mo><mml:mi>Ge</mml:mi></mml:mrow></mml:math> , Sn)

Magnetoelastic coupling in La0.7Ca0.3MnO3/BaTiO3 ultrathin films

A. Alberca,1,5 N. M. Nemes,2,5 F. J. Mompean,1,5 T. Fehér,4 F. Simon,4 J. Tornos,2,5 C. Leon,2,5 C. Munuera,1,5 B. J. Kirby,6 M. R. Fitzsimmons,7 A. Hernando,3 J. Santamaria,2,5 and M. Garcia-Hernandez1,5 1Instituto de Ciencia de Materiales de Madrid, Consejo Superior de Investigaciones Cientı́ficas, Sor Juana Inés de la Cruz, 3, ES-28049 Madrid, Spain 2Departamento de Fı́sica Aplicada III, Unive...

Giant magnetoelastic coupling in a metallic helical metamagnet.

Using high resolution neutron diffraction and capacitance dilatometry we show that the thermal evolution of the helimagnetic state in CoMnSi is accompanied by a change in interatomic distances of up to 2%, the largest ever found in a metallic magnet. Our results and the picture of competing exchange and strongly anisotropic thermal expansion that we use to understand them sheds light on a new m...

Magnetodielectric and magnetoelastic coupling in TbFe3(BO3)4

Field-induced linear magnetoelastic coupling in multiferroic TbMnO3

N. Aliouane,1 D. N. Argyriou,1 J. Strempfer,2 I. Zegkinoglou,2 S. Landsgesell,1 and M. v. Zimmermann3 1Hahn-Meitner-Institut, Glienicker Strasse 100, Berlin D-14109, Germany 2Max-Planck-Institut für Festkörperforschung, Heisenbergstraße 1, 70569 Stuttgart, Germany 3Hamburger Synchrotronstrahlungslabor HASYLAB at Deutsches Elektronen-Synchrotron DESY, Notkestraße 85, 22603 Hamburg, Germany Recei...

Magnetoelastic coupling in epitaxial magnetic films: An ab-initio study

A method is developed which allows to determine the first-order and the second-order magnetoelastic coefficients of a magnetic bulk material from the ab-initio calculation of the magnetocrystalline anisotropy energy as function of a prestrain ǫ0. Explicit results are given for bcc Fe, and they agree well with experimental data obtained from the magnetostrictive stress measurements for epitaxial...