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PSI Muons - ISIS

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Spin diffusion length in organic spin valve<br />

Alq 3<br />

Magnetoresistance vs B<br />

Long coherence time of injected<br />

spins ~10 -5 s measurable<br />

static fields<br />

Spin diffusion length vs T correlates<br />

with magneto-resistance<br />

Field distribution: I on<br />

- I off<br />

Skewness<br />

First direct measurement of<br />

spin diffusion length in a<br />

working spin valve.<br />

A.J. Drew et al., Nature Materials 8, 109 (2009)<br />

INPC 2010, July-05 2010

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