Power regulation and electromigration in platinum microwires

Ottó Elíasson*, Gabriel Vasile, Sigurður Ægir Jónsson, Guðjón I. Gudjonsson, Mustafa Arikan, Snorri Ingvarsson

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)


We introduce a new experimental setup with a biasing circuit and computer control for electrical power regulation under reversing polarity in Pt microwires with dimensions of 1×10 μm2. The circuit is computer controlled via a data acquisition board. It amplifies a control signal from the computer and drives current of alternating polarity through the sample in question. Time-to-failure investigations under DC and AC current stress are performed. We confirm that AC current stress can improve the life time of microwires at least by a factor of 103 compared to the corresponding time-to-failure under DC current stress.

Original languageEnglish
Article number114709
JournalReview of Scientific Instruments
Issue number11
Publication statusPublished - 1 Nov 2014

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