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Microscopic and macroscopic signatures of antiferromagnetic domain walls

Jaramillo, R; Rosenbaum, TF; Isaacs, ED; Shpyrko, OG; Evans, PG; Aeppli, G; Cai, Z; (2007) Microscopic and macroscopic signatures of antiferromagnetic domain walls. PHYS REV LETT , 98 (11) , Article 117206. 10.1103/PhysRevLett.98.117206. Green open access

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Abstract

Magnetotransport measurements on small single crystals of Cr, the elemental antiferromagnet, reveal the hysteretic thermodynamics of the domain structure. The temperature dependence of the transport coefficients is directly correlated with the real-space evolution of the domain configuration as recorded by x-ray microprobe imaging, revealing the effect of antiferromagnetic domain walls on electron transport. A single antiferromagnetic domain wall interface resistance is deduced to be of order 5x10(-5) mu Omega cm(2) at a temperature of 100 K.

Type: Article
Title: Microscopic and macroscopic signatures of antiferromagnetic domain walls
Open access status: An open access version is available from UCL Discovery
DOI: 10.1103/PhysRevLett.98.117206
Publisher version: http://dx.doi.org/10.1103/PhysRevLett.98.117206
Language: English
Additional information: © 2007 The American Physical Society
Keywords: MAGNETIC-FIELD DEPENDENCE, X-RAY MICRODIFFRACTION, CHROMIUM, TEMPERATURE, RESISTIVITY, RESISTANCE, FILMS
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
URI: https://discovery.ucl.ac.uk/id/eprint/112717
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