100,000 % ballistic magnetoresistance in stable Ni nanocontacts at room temperature
- 6 February 2003
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 67 (6), 060401
- https://doi.org/10.1103/physrevb.67.060401
Abstract
This study reports reproducible, ten thousand to hundred thousand percent ballistic magnetoresistance (BMR) effect in stable electrodeposited Ni nanocontacts at room temperature and in fields of only a few hundred oersteds. Experimental observation of Ni whiskers and nanoconstrictions within these whiskers formed during electrodeposition points towards a picture of multiple ballistic, quasi-ballistic, and diffusive conductors acting in series and parallel to give rise to the observed large BMR effect, instead of a single, monolithic nanocontact.Keywords
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