Low temperature dephasing in irradiated metallic wires

Details Low temperature dephasing in irradiated metallic wires Low temperature dephasing in irradiated metallic wires

2007-11-12

arxiv.org/abs/0711.1810v2

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 4figures

Scientific paper

10.1103/PhysRevB.77.033102

We present phase coherence time measurements in quasi-one-dimensional Ag wires implanted with Ag$^{+}$ ions with an energy of $100 keV$. The measurements have been carried out in the temperature range from $100 mK$ up to $10 K$; this has to be compared with the Kondo temperature of iron in silver, i.e. $T_{K}^{Ag/Fe} \approx 4 K$, used in recent experiments on dephasing in Kondo systems\cite{mallet_prl_06,birge_prl_06}. We show that the phase coherence time is not affected by the implantation procedure, clearly proving that ion implantation process by itself \emph{does not lead to any extra dephasing} at low temperature.

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