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Saxena A, Castán T, Planes A, et al. Origin of magnetic and magnetoelastic tweedlike precursor modulations in ferroic materials. Phys Rev Lett. 2004;92(19):197203doi: 10.1103/PhysRevLett.92.197203.
Saxena, A., Castán, T., Planes, A., Porta, M., Kishi, Y., Lograsso, T. A., Viehland, D., Wuttig, M., & De Graef, M. (2004). Origin of magnetic and magnetoelastic tweedlike precursor modulations in ferroic materials. Physical review letters, 92(19), 197203. https://doi.org/10.1103/PhysRevLett.92.197203
Saxena, A, et al. "Origin of magnetic and magnetoelastic tweedlike precursor modulations in ferroic materials." Physical review letters vol. 92,19 (2004): 197203. doi: https://doi.org/10.1103/PhysRevLett.92.197203
Saxena A, Castán T, Planes A, Porta M, Kishi Y, Lograsso TA, Viehland D, Wuttig M, De Graef M. Origin of magnetic and magnetoelastic tweedlike precursor modulations in ferroic materials. Phys Rev Lett. 2004 May 14;92(19):197203. doi: 10.1103/PhysRevLett.92.197203. Epub 2004 May 14. PMID: 15169443.
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Phys Rev Lett. 2004 May 14;92(19):197203. doi: 10.1103/PhysRevLett.92.197203. Epub 2004 May 14.

Origin of magnetic and magnetoelastic tweedlike precursor modulations in ferroic materials.

Physical review letters

A Saxena, T Castán, A Planes, M Porta, Y Kishi, T A Lograsso, D Viehland, M Wuttig, M De Graef

Affiliations

  1. Department d'Estructura i Constituents de la Matèria, Universitat de Barcelona, Diagonal 647, 08028 Barcelona, Spain.

PMID: 15169443 DOI: 10.1103/PhysRevLett.92.197203

Abstract

Based on experimental observations of modulated magnetic patterns in a Co0.5Ni0.205Ga0.295 alloy, we propose a model to describe a (purely) magnetic tweed and a magnetoelastic tweed. The former arises above the Curie (or Néel) temperature due to magnetic disorder. The latter results from compositional fluctuations coupling to strain and then to magnetism through the magnetoelastic interaction above the structural transition temperature. We discuss the origin of purely magnetic and magnetoelastic precursor modulations and their experimental thermodynamic signatures.

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