Magnetodielectric Effects from Spin Fluctuations in Isostructural Ferromagnetic and Antiferromagnetic Systems Public Deposited

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  • We report on the effects of spin fluctuations, magnetic ordering, and external magnetic field on the dielectric constant of the ferromagnet SeCuO₃, and the antiferromagnet TeCuO₃. A model based on the coupling between uniform polarization and the q-dependent spin-spin correlation function is presented to explain the different behaviors for these isostructural compounds. The large magnetocapacitance near the transition temperature in the ferromagnet SeCuO₃ suggests routes to enhancing the magnetodielectric response for practical applications.
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  • Lawes, G., Ramirez, A. P., Varma, C. M., & Subramanian, M. A. (2003, December 19). Magnetodielectric Effects from Spin Fluctuations in Isostructural Ferromagnetic and Antiferromagnetic Systems. Physical Review Letters, 91(25), 257208-1-257208-4. doi:10.1103/PhysRevLett.91.257208
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  • description.provenance : Made available in DSpace on 2011-09-20T21:02:35Z (GMT). No. of bitstreams: 1 SubramanianMas.Chemistry.MagnetoEffectsSpin.pdf: 227668 bytes, checksum: c1e798cfe2760d25f577590525d1df74 (MD5) Previous issue date: 2003-12-19
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  • description.provenance : Approved for entry into archive by Sue Kunda(sue.kunda@oregonstate.edu) on 2011-09-20T21:02:35Z (GMT) No. of bitstreams: 1 SubramanianMas.Chemistry.MagnetoEffectsSpin.pdf: 227668 bytes, checksum: c1e798cfe2760d25f577590525d1df74 (MD5)

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