Electrostatically driven charge-ordering in Fe2OBO3

Charge-ordering is an important phenomenon in conducting metal oxides: it leads to metal–insulator transitions 1 in manganite perovskites (which show ‘colossal’ magnetoresistances), and the Verwey 2 transition in magnetite (in which the material becomes insulating at low temperatures when the conduc...

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Veröffentlicht in:	Nature (London) 1998-12, Vol.396 (6712), p.655-658
Hauptverfasser:	Attfield, J. P., Bell, A. M. T., Rodriguez-Martinez, L. M., Greneche, J. M., Cernik, R. J., Clarke, J. F., Perkins, D. A.
Format:	Artikel
Sprache:	eng
Schlagworte:	Chemistry Condensed matter: electronic structure, electrical, magnetic, and optical properties Conductivity phenomena in semiconductors and insulators Electron states Electronic transport in condensed matter Exact sciences and technology Humanities and Social Sciences letter Low temperature Low-field transport and mobility piezoresistance Magnetic phase boundaries (including magnetic transitions, metamagnetism, etc.) Magnetic properties and materials Magnetically ordered materials: other intrinsic properties Metal-insulator transitions and other electronic transitions multidisciplinary Physics Science Science (multidisciplinary) Superconductivity
Online-Zugang:	Volltext
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