Non-symmetric spin-pumping in a multiferroic heterostructure - Croissance et propriétés de systèmes hybrides en couches minces Accéder directement au contenu
Article Dans Une Revue Physical Review B Année : 2020

Non-symmetric spin-pumping in a multiferroic heterostructure

Résumé

We present spin pumping experiments in Co/Pt bilayers grown on Al2O3(0001) and on ferroelectric Y-cut LiNbO3 substrates. Spin pumping is triggered by resonant ferromagnetic resonance induced by surface acoustic waves. We observe that spin pumping efficiency varies when both the magnetization vector and the acoustic wave vector are reversed in Pt/Co/LiNbO3. This phenomenon is not observed in Pt/Co/Al2O3. We propose that the in-plane electric polarization of LiNbO3 is at the origin of the observed phenomenon. These observations open up the perspective of an electric fi eld control of spin pumping efficiency.
Fichier principal
Vignette du fichier
Spin_current_generation_in_Co_Pt_bilayer.pdf (606.39 Ko) Télécharger le fichier
Origine : Fichiers produits par l'(les) auteur(s)
Loading...

Dates et versions

hal-02562162 , version 1 (04-05-2020)
hal-02562162 , version 2 (23-11-2020)

Identifiants

Citer

Pauline Rovillain, Ronei Cardoso de Oliveira, Massimiliano Marangolo, Jean-Yves Duquesne. Non-symmetric spin-pumping in a multiferroic heterostructure. Physical Review B, 2020, 102 (18), pp.184409. ⟨10.1103/PhysRevB.102.184409⟩. ⟨hal-02562162v1⟩
162 Consultations
109 Téléchargements

Altmetric

Partager

Gmail Facebook X LinkedIn More