Evolution of magnetic polarons and spin-carrier interactions through the metal-insulator transition in Eu1-xGdxO

H. Rho; C. S. Snow; S. L. Cooper; Z. Fisk; A. Comment

Evolution of magnetic polarons and spin-carrier interactions through the metal-insulator transition in Eu_1-xGd_xO

H. Rho, C. S. Snow, S. L. Cooper, Z. Fisk, A. Comment

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Abstract

The inelastic Raman scattering studies were used to study the evolution of magnetic polarons and spin-carrier interactions through the metal-insulator transition in Eu_1-xGd_xO. The studies were performed as a function of temperature, magnetic field and Gd substitution. The studies revealed the existence of a spin-fluctuation-dominated paramagnetic regime and a coexistence regime. The results showed a strong connection between spin cluster formation and the observed large field-induced effects.

Original language	English (US)
Article number	127401
Pages (from-to)	1274011-1274014
Number of pages	4
Journal	Physical review letters
Volume	88
Issue number	12
State	Published - Mar 25 2002

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Physics and Astronomy(all)

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abstract = "The inelastic Raman scattering studies were used to study the evolution of magnetic polarons and spin-carrier interactions through the metal-insulator transition in Eu1-xGdxO. The studies were performed as a function of temperature, magnetic field and Gd substitution. The studies revealed the existence of a spin-fluctuation-dominated paramagnetic regime and a coexistence regime. The results showed a strong connection between spin cluster formation and the observed large field-induced effects.",

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AU - Rho, H.

AU - Snow, C. S.

AU - Cooper, S. L.

AU - Fisk, Z.

AU - Comment, A.

PY - 2002/3/25

Y1 - 2002/3/25

N2 - The inelastic Raman scattering studies were used to study the evolution of magnetic polarons and spin-carrier interactions through the metal-insulator transition in Eu1-xGdxO. The studies were performed as a function of temperature, magnetic field and Gd substitution. The studies revealed the existence of a spin-fluctuation-dominated paramagnetic regime and a coexistence regime. The results showed a strong connection between spin cluster formation and the observed large field-induced effects.

AB - The inelastic Raman scattering studies were used to study the evolution of magnetic polarons and spin-carrier interactions through the metal-insulator transition in Eu1-xGdxO. The studies were performed as a function of temperature, magnetic field and Gd substitution. The studies revealed the existence of a spin-fluctuation-dominated paramagnetic regime and a coexistence regime. The results showed a strong connection between spin cluster formation and the observed large field-induced effects.

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Evolution of magnetic polarons and spin-carrier interactions through the metal-insulator transition in Eu_1-xGd_xO

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