Site-specific magnetism of half-metallic Mn2RuxGa thin films determined by x-ray absorption spectroscopy

Davide Betto; Naganivetha Thiyagarajah; Yong Chang Lau; Cinthia Piamonteze; Marie Anne Arrio; Plamen Stamenov; J. M.D. Coey; Karsten Rode

doi:10.1103/PhysRevB.91.094410

Site-specific magnetism of half-metallic Mn2RuxGa thin films determined by x-ray absorption spectroscopy

Davide Betto, Naganivetha Thiyagarajah, Yong Chang Lau, Cinthia Piamonteze, Marie Anne Arrio, Plamen Stamenov, J. M.D. Coey, Karsten Rode

Research output: Contribution to journal › Article › peer-review

20 Citations (Scopus)

Abstract

The site-specific magnetic properties of thin films of the Heusler compound Mn2RuxGa, 0.6<x<1.0, are studied using x-ray absorption and dichroism spectroscopy. There is evidence of half metallicity up to x=0.7, and compensation of the Mn 4a and 4c moments in this range, leading to a zero-moment half metal. We also also discuss the effect of substrate-induced strain on the magnetic properties. By tuning the biaxial strain, simultaneous perfect magnetic compensation and half-metallic character is achievable at, below, or above room temperature.

Original language	English
Article number	094410
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	91
Issue number	9
DOIs	https://doi.org/10.1103/PhysRevB.91.094410
Publication status	Published - 2015 Mar 12
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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Site-specific magnetism of half-metallic Mn2RuxGa thin films determined by x-ray absorption spectroscopy. / Betto, Davide; Thiyagarajah, Naganivetha; Lau, Yong Chang; Piamonteze, Cinthia; Arrio, Marie Anne; Stamenov, Plamen; Coey, J. M.D.; Rode, Karsten.

In: Physical Review B - Condensed Matter and Materials Physics, Vol. 91, No. 9, 094410, 12.03.2015.

Research output: Contribution to journal › Article › peer-review

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AU - Arrio, Marie Anne

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AU - Coey, J. M.D.

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