Super D2B - high resolution powder diffractometer Giant Magneto-Resistance (Fernandez-Diaz, Suard, Radaelli et al.) ILL Report 1997

Charge ordering ? Stripes or no stripes ? GMR Mechanism? Magnetic structure ?

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The very latest success of D2B has only now been published in a series of papers in Phys. Rev. Letters and other journals.

This work, combined with synchrotron measurements at ESRF, has disproved the existance of the famous “stripe ordering” in GMR manganates, discovered the true valence charge ordering, explained the mechanism for the GMR transition, and determined the magne