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URN: urn:nbn:de:swb:90-482947
DOI: 10.1103/PhysRevX.5.021030
Zitationen: 13
Web of Science
Zitationen: 13

Hall-Effect Sign Inversion in a Realizable 3D Metamaterial

Kadic, Muamer; Schittny, Robert; Bückmann, Tiemo; Kern, Christian; Wegener, Martin

In 2009, Briane and Milton proved mathematically the existence of three-dimensional isotropic metamaterials with a classical Hall coefficient that is negative with respect to that of all of the metamaterial constituents. Here, we significantly simplify their blueprint towards an architecture composed of only a single-constituent material in vacuum or air, which can be seen as a special type of porosity. We show numerically that the sign of the Hall voltage is determined by a separation parameter between adjacent tori. This qualitative behavior is robust even for only a small number of metamaterial unit cells. The combination of simplification and robustness brings experimental verification of this striking sign inversion into reach. Furthermore, we provide a simple intuitive explanation of the underlying physical mechanism.

Zugehörige Institution(en) am KIT Institut für Angewandte Physik (APH)
Institut für Nanotechnologie (INT)
Publikationstyp Zeitschriftenaufsatz
Jahr 2015
Sprache Englisch
Identifikator ISSN: 2160-3308
KITopen ID: 1000048294
HGF-Programm 43.23.01; LK 01
Erschienen in Physical Review X
Band 5
Seiten 021030/1-7
Bemerkung zur Veröffentlichung Gefördert durch den KIT-Publikationsfonds
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