Proximity effect in Co2MnGe /V/ Co2MnGe trilayers

Sprungmann, D.; Westerholt, K.; Zabel, H.

doi:10.1016/j.spmi.2006.06.019

Superlattices and Microstructures

2007

DOI: 10.1016/j.spmi.2006.06.019

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Proximity effect in Co2MnGe /V/ Co2MnGe trilayers

D. Sprungmann

K. Westerholt

H. Zabel

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2012

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Cited by 2 publications

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References 11 publications

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“…Figure 3 compares the temperature dependence of the specific electrical resistance for two Pd capped single V films prepared with and without H assistance at a constant substrate temperature of 320 • C. Both samples display a decreasing resistance with decreasing temperature until they become superconducting at 4.38 K (w/o H) and 4.42 K (with H), respectively. For thin V films the transition temperature scales strongly with the thickness, explaining the reduced T c as compared to bulk V (5.32 K) [11]. The difference of 40 mK is a minor effect and may originate from the slightly different V thicknesses of the two samples.…”

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confidence: 96%

Hydrogen assisted growth of Fe/V superlattices

Remhof¹,

Nowak²,

Liebig³

et al. 2006

J. Phys.: Condens. Matter

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The functionality of magnetic heterostructures is strongly affected by the interface structure and morphology as well as by the crystalline quality. Using Fe/V superlattices, serving as model systems for exchange coupling and for superconducting spin valves, we show that the excellent interfacial properties can be further improved by hydrogen assisted growth. The role of the hydrogen thereby is twofold. It reduces thickness fluctuations and improves the crystalline quality. Sputter deposited Fe/V superlattices grown at a partial pressure of 2 × 10−6 mbar are atomically flat and possess a residual resistivity ratio which is significantly improved as compared to those of conventionally grown samples.

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mentioning

confidence: 96%

Hydrogen assisted growth of Fe/V superlattices

Remhof¹,

Nowak²,

Liebig³

et al. 2006

J. Phys.: Condens. Matter

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Ferromagnetic resonance shifts from electric fields: Field-enhanced screening charge in ferromagnet/ferroelectric multilayers

Gunawan

Stamps

2012

Phys. Rev. B

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We calculate standing spin wave frequencies in a multilayer which unit cell is a trilayer comprised of a ferromagnet, a ferroelectric, and a normal metal. An applied voltage enhances the polarization of the ferroelectric and increases the magnetic moment at one interface through spin polarization and charge transfer. We show that the induced surface magnetism results in shifts of resonance and standing spin wave mode frequencies. A new resonance peak is predicted, associated with a strongly localized surface moment. Estimates are provided using parameters appropriate to the ferroelectric BaTiO 3 and four different ferromagnetic metals, including a Heusler alloy (Fe, CrO 2 , permalloy, and Co 2 MnGe). The calculations use an entire-cell effective-medium approximation that takes into account the polarization profile in the ferroelectric. The metallic ferromagnetic electrode is treated as a real metal, and the depolarization field is included in the determination of polarization in the ferroelectric.

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Proximity effect in Co2MnGe /V/ Co2MnGe trilayers

Cited by 2 publications

References 11 publications

Hydrogen assisted growth of Fe/V superlattices

Hydrogen assisted growth of Fe/V superlattices

Ferromagnetic resonance shifts from electric fields: Field-enhanced screening charge in ferromagnet/ferroelectric multilayers

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