Sensitivity of the magnetic state of a spin lattice on itinerant electron orbital phase

Siegert, C. ; Ghosh, A. ; Pepper, M. ; Farrer, I. ; Ritchie, D. A. ; Anderson, D. ; Jones, G. A. C. (2008) Sensitivity of the magnetic state of a spin lattice on itinerant electron orbital phase Physica E: Low-dimensional Systems and Nanostructures, 40 (5). pp. 1460-1463. ISSN 1386-9477

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Official URL: http://www.sciencedirect.com/science/article/pii/S...

Related URL: http://dx.doi.org/10.1016/j.physe.2007.09.139

Abstract

Spatially extended localized spins can interact via indirect exchange interaction through Friedel oscillations in the Fermi sea. In arrays of localized spins such interaction can lead to a magnetically ordered phase. Without external magnetic field such a phase is well understood via a "two-impurity" Kondo model. Here we employ non-equilibrium transport spectroscopy to investigate the role of the orbital phase of conduction electrons on the magnetic state of a spin lattice. We show experimentally, that even tiniest perpendicular magnetic field can influence the magnitude of the inter-spin magnetic exchange.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
ID Code:101562
Deposited On:01 Feb 2018 10:07
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