Ca3(Ru1-xCrx)2O7: A new paradigm for spin valves

Details Ca3(Ru1-xCrx)2O7: A new paradigm for spin valves Ca3(Ru1-xCrx)2O7: A new paradigm for spin valves

2007-11-13

arxiv.org/abs/0711.2060v1

Physics

Condensed Matter

Strongly Correlated Electrons

5 figures. to be published in Physical Review Letters

Scientific paper

10.1142/S0217984908016480

The spin valve effect is a quantum phenomenon so far only realized in multilayer thin films or heterostructures. Here we report a strong spin valve effect existing in bulk single crystals of Ca3(Ru1-xCrx)2O7 having an anisotropic, bilayered crystal structure. This discovery opens new avenues to understand the underlying physics of spin valves, and fully realize its potential in practical devices.

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