Theoretische Untersuchung magnetoresistiver Manganate

[53] JAIME, M.; HARDNER, H. T.; SALAMON, M. B.; RUBINSTEIN, M.; DORSEY,P.; EMIN, D.: Hall-Effect Sign Anomaly and Small-Polaron Conduction in(La 1−x Gd x ) 0.67 Ca 0.33 MnO 3 , Phys. Rev. Lett. 78, 951 (1997)[54] JAIME, M.; LIN, P.; CHUN, S. H.; SALAMON, M. B.; DORSEY, P.; RUBINSTEIN,M.: Coexistence of localized and itinerant carriers near T C in calcium-dopedmanganites, Phys. Rev. B 60, 1028 (1999)[55] JAIME, M.; SALAMON, M. B.; RUBINSTEIN, M.; TREECE, R. E.; HORWITZ, J. S.;CHRISEY, D. B.: High-temperature thermopower in La 2/3 Ca 1/3 MnO 3 films:Evidence for polaronic transport, Phys. Rev. B 54, 11914 (1996)[56] JANSSEN, M.: Statistics and scaling in disordered mesoscopic electron systems,Physics Reports 295, 1 (1998)[57] JIN, S.; TIEFEL, T. H.; MCCORMACK, M.; FASTNACH, R. A.; RAMESH, R.;CHEN, L. H.: Thousandfold Change in Resistivity in Magnetoresistive La-Ca-Mn-O Films, Science 264, 413 (1994)[58] JONKER, G. H.; VAN SANTEN, J. H.: Ferromagnetic compounds of manganesewith perovskite structure, Physica 16, 337 (1950)[59] JONSON, M.; FRANZ, J. R.: Simple theory for alloy density of states and conductivityincluding local atomic configurations, J. Phys. C 13, 5957 (1980)[60] JU, H. L.; SOHN, H.-C.; KRISHNAN, K. M.: Evidence for O 2p Hole-Driven Conductivityin La 1−x Sr x MnO 3 (0 ≤ x ≤ 0.7) and La 0.7 Sr 0.3 MnO z Thin Films, Phys.Rev. Lett. 79, 3230 (1997)[61] KAPLAN, S. G.; QUIJADA, M.; DREW, H. D.; TANNER, D. B.; XIONG, G. C.;RAMESH, R.; KWON, C.; VENKATESAN, T.: Optical Evidence for the DynamicJahn-Teller Effect in Nd 0.7 Sr 0.3 MnO 3 , Phys. Rev. Lett. 77, 2081 (1996)[62] KHALIULLIN, G.; OUDOVENKO, V.: Spin and orbital excitation spectrum in theKugel-Khomskii model, Phys. Rev. B 56, R14243 (1997)[63] KHOMSKII, D.: Novel type of orbital ordering: complex orbitals in doped Mottinsulators (2000), URL http://arXiv.org/abs/cond-mat/0004034[64] KILIAN, R.: From Cuprates to Manganites: Spin and Orbital Liquids, Dissertation,Technische Universität Dresden (1999)[65] KILIAN, R.; KHALIULLIN, G.: Orbital polarons in the metal-insulator transitionof manganites, Phys. Rev. B 60, 13458 (1999)[66] KIRKPATRICK, S.; EGGARTER, T. P.: Localized States of a Binary Alloy, Phys.Rev. B 6, 3598 (1972)105