Journal ArticleDOI
Size effects on the Hall constant in thin gold films
Ricardo Henriquez,Simón Oyarzún,Marcos Flores,Marco Antonio Suárez,Luis Moraga,German Kremer,Claudio Gonzalez-Fuentes,Marcelo Robles,Raul C. Munoz +8 more
TLDR
In this article, the Hall constant RH, drift mobility, and Hall mobility were measured at 4 K in thin gold films deposited on mica substrates, where the dominant electron scattering mechanism is electron surface scattering.Abstract:
We report the Hall constant RH, drift mobility μD, and Hall mobility μH measured at 4 K in thin gold films deposited on mica substrates, where the dominant electron scattering mechanism is electron-surface scattering. RH increases with increasing film thickness and decreases with increasing magnetic field. For high magnetic fields B≥6 T, RH turns out to be approximately independent of magnetic field, and its value is close to that of the free electron model. We use the high magnetic field values of RH to determine film thickness. This nondestructive method leads to a determination of film thickness that agrees to within 10% with the thickness measured by other techniques. The theoretical predictions, based upon the theory of Fuchs–Sondheimer and the theory of Calecki, are at variance with experimental observations.read more
Citations
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Quantitative study of the spin Hall magnetoresistance in ferromagnetic insulator/normal metal hybrids
Matthias Althammer,Sibylle Meyer,Hiroyasu Nakayama,Michael Schreier,Stephan Altmannshofer,Mathias Weiler,Hans Huebl,Stephan Geprägs,Matthias Opel,Rudolf Gross,Daniel Meier,Christoph Klewe,Timo Kuschel,Jan-Michael Schmalhorst,Günter Reiss,Liming Shen,Arunava Gupta,Yan Ting Chen,Gerrit E. W. Bauer,Gerrit E. W. Bauer,Eiji Saitoh,Sebastian T. B. Goennenwein +21 more
TL;DR: In this article, the spin Hall magnetoresistance effect in ferromagnetic insulator/platinum and non-ferromagnet hybrid structures was investigated and quantitatively analyzed.
Journal ArticleDOI
Size effects and charge transport in metals: Quantum theory of the resistivity of nanometric metallic structures arising from electron scattering by grain boundaries and by rough surfaces
Raul C. Munoz,Claudio Arenas +1 more
TL;DR: In this article, the authors discuss recent progress regarding size effects and their incidence upon the coefficients describing charge transport (resistivity, magnetoresistance, and Hall effect) induced by electron scattering from disordered grain boundaries and from rough surfaces on metallic nanostructures.
Journal ArticleDOI
Electron scattering at surfaces and grain boundaries in thin Au films
Ricardo Henríquez,Marcos Flores,Luis Moraga,German Kremer,Claudio Gonzalez-Fuentes,Raul C. Munoz +5 more
TL;DR: In this paper, the electron scattering at surfaces and grain boundaries is investigated using polycrystalline Au films deposited onto mica substrates, and the authors varied independently the film thickness from approximately 50nm to about 100nm.
Magnetogalvanic effects in ferromagnets of reduced dimensions
TL;DR: In this paper, the magnetic microstructure of domain walls located at the bend of soft magnetic V-shaped nanowires were observed by means of scanning electron microscopy with polarization analysis (SEMPA).
References
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