La1–xCaxMnO3; Saturation magnetization at 90 K.

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Presentation transcript:

Class 07. The rare-earth manganese oxides: M–I transitions, CMR, charge-ordering La1–xCaxMnO3; Saturation magnetization at 90 K. Jonker, van Santen, Physica 16 (1950) 337–349.

Class 07. The rare-earth manganese oxides: M–I transitions, CMR, charge-ordering La1–xCaxMnO3 Resistivity at 100 K on right. Metallic behavior corresponds to ferromagnetism. Jonker, van Santen, Physica 16 (1950) 559–560.

Class 07. The rare-earth manganese oxides: M–I transitions, CMR, charge-ordering Crystal fields and Jahn-Teller

Class 07. The rare-earth manganese oxides: M–I transitions, CMR, charge-ordering Metallic behavior corresponds to ferromagnetism and vice-versa. Mn3+ Mn4+ Zener, Phys. Rev. 82 (1951) 403–405.

Class 07. The rare-earth manganese oxides: M–I transitions, CMR, charge-ordering Further theory by deGennes: Explanation of canted phases, antiferromagnets, etc. deGennes, Phys. Rev. 118 (1960) 141–153.

Class 07. The rare-earth manganese oxides: M–I transitions, CMR, charge-ordering The resurgence of interest: Giant negative magnetoresistance in (La,Ba)MnO3 thin films. von Helmholt, Wecker, Holzapfel, Schultz, Samwer, Phys. Rev. Lett. 71 (1993) 2331–2333.

Class 07. The rare-earth manganese oxides: M–I transitions, CMR, charge-ordering The resurgence of interest: Giant negative magnetoresistance in (La,Ca)MnO3 thin films. “Thousandfold change” Jin, Tiefel, McCormack, Fastnacht, Ramesh, Chen, Science 264 (1994) 413–415.

Class 07. The rare-earth manganese oxides: M–I transitions, CMR, charge-ordering The effect of the lattice: Hwang, Cheong, Radaelli, Marezio, Batlogg, Phys. Rev. Lett. 75 (1995) 914–917.

Class 07. The rare-earth manganese oxides: M–I transitions, CMR, charge-ordering More lattice effects. Strain and local perturbations of the bandwith. Rodriguez-Martinez, Attfield, Phys. Rev. B. 54 (1996) R15622–R15625.

Class 07. The rare-earth manganese oxides: M–I transitions, CMR, charge-ordering The effect of a magnetic field is to melt a polaron solid (glass). Millis, Shraiman, Littlewood, Phys. Rev. Lett. 54 (1995) 5144–5147.

Class 07. The rare-earth manganese oxides: M–I transitions, CMR, charge-ordering Negative magnetoresistance is quite a general phenomena, associated with spin-dependent scattering. Mazumdar, Littlewood, Nature 395 (1998) 479–481.

Class 07. The rare-earth manganese oxides: M–I transitions, CMR, charge-ordering The complete phase diagrams are quite complex. Especially interesting things happen near x = 0.5 in RE1–xAxMnO3 Tokura, Rep. Prog. Phys. 69 (2006) 797–851.

Class 07. The rare-earth manganese oxides: M–I transitions, CMR, charge-ordering The CE-type antiferromagnetic model of Goodenough for simultaneous charge-spin-orbital ordering. Tokura, Rep. Prog. Phys. 69 (2006) 797–851.

Class 07. The rare-earth manganese oxides: M–I transitions, CMR, charge-ordering The complete phase diagram for prototypic manganites. Tokura, Rep. Prog. Phys. 69 (2006) 797–851.

Class 07. The rare-earth manganese oxides: M–I transitions, CMR, charge-ordering The complete phase diagram for prototypic manganites. Tokura, Rep. Prog. Phys. 69 (2006) 797–851.

Class 07. The rare-earth manganese oxides: M–I transitions, CMR, charge-ordering The complete phase diagram for prototypic manganites. Tokura, Rep. Prog. Phys. 69 (2006) 797–851.

Class 07. The rare-earth manganese oxides: M–I transitions, CMR, charge-ordering Visualizing charge order: La2/3Ca1/3MnO3 Mori, Chen, Cheong, Nature 392 (1998) 473–476.

Class 07. The rare-earth manganese oxides: M–I transitions, CMR, charge-ordering Visualizing charge order: La1/4Ca3/4MnO3 Mori, Chen, Cheong, Nature 392 (1998) 473–476.

Class 07. The rare-earth manganese oxides: M–I transitions, CMR, charge-ordering Determining charge-ordering and magnetic structure in La1/2Ca1/2MnO3 Rodriguez, Proffen, Llobet, Rhyne, Mitchell, Phys. Rev. B 71 (2005) 104430(1–9).

Class 07. The rare-earth manganese oxides: M–I transitions, CMR, charge-ordering Determining charge-ordering and magnetic structure in La1/2Ca1/2MnO3 Rodriguez, Proffen, Llobet, Rhyne, Mitchell, Phys. Rev. B 71 (2005) 104430(1–9).

Class 07. The rare-earth manganese oxides: M–I transitions, CMR, charge-ordering Dimensionality control Kimura, Tokura, Annu. Rev. Mater. Res. 30 (2000) 451–474.

Class 07. The rare-earth manganese oxides: M–I transitions, CMR, charge-ordering Dimensionality control: La2–2xSr1+2xMn2O7 Kimura, Tokura, Annu. Rev. Mater. Res. 30 (2000) 451–474.