Metal-insulator transitions and weak ferromagnetism in the electron-correlated system Nd1-xCaxTiO3 (0x1)

H. L. Ju; C. Eylem; J. L. Peng; B. W. Eichhorn; R. L. Greene

doi:10.1103/PhysRevB.49.13335

Metal-insulator transitions and weak ferromagnetism in the electron-correlated system Nd1-xCaxTiO3 (0x1)

H. L. Ju, C. Eylem, J. L. Peng, B. W. Eichhorn, R. L. Greene

Department of Physics

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Abstract

The transport and magnetic properties of a series of Nd1-xCaxTiO3 perovskites where 0x0.8 were investigated. The transition from a Mott-Hubbard insulator (NdTiO3) with a 3d1 configuration to a metallic state was observed to take place near x=0.15. Low-field susceptibility and remanent-moment measurements suggest that Nd1-xCaxTiO3 orders antiferromagnetically in the composition region 0x0.15. The metallic Nd1-xCaxTiO3 compounds behave as Fermi-liquid systems where the effective mass increases as the metal-insulator boundary (x0.15) is approached.

Original language	English
Pages (from-to)	13335-13341
Number of pages	7
Journal	Physical Review B-Condensed Matter
Volume	49
Issue number	19
DOIs	https://doi.org/10.1103/PhysRevB.49.13335
Publication status	Published - 1994

All Science Journal Classification (ASJC) codes

Condensed Matter Physics

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10.1103/PhysRevB.49.13335

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abstract = "The transport and magnetic properties of a series of Nd1-xCaxTiO3 perovskites where 0x0.8 were investigated. The transition from a Mott-Hubbard insulator (NdTiO3) with a 3d1 configuration to a metallic state was observed to take place near x=0.15. Low-field susceptibility and remanent-moment measurements suggest that Nd1-xCaxTiO3 orders antiferromagnetically in the composition region 0x0.15. The metallic Nd1-xCaxTiO3 compounds behave as Fermi-liquid systems where the effective mass increases as the metal-insulator boundary (x0.15) is approached.",

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AU - Eichhorn, B. W.

AU - Greene, R. L.

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AB - The transport and magnetic properties of a series of Nd1-xCaxTiO3 perovskites where 0x0.8 were investigated. The transition from a Mott-Hubbard insulator (NdTiO3) with a 3d1 configuration to a metallic state was observed to take place near x=0.15. Low-field susceptibility and remanent-moment measurements suggest that Nd1-xCaxTiO3 orders antiferromagnetically in the composition region 0x0.15. The metallic Nd1-xCaxTiO3 compounds behave as Fermi-liquid systems where the effective mass increases as the metal-insulator boundary (x0.15) is approached.

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Metal-insulator transitions and weak ferromagnetism in the electron-correlated system Nd1-xCaxTiO3 (0x1)

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