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journal article·2020-01-01Open access

Dynamic magnetic properties of amorphous Fe80B20 thin films and their relation to interfaces

U. Urdiroz, B. M. S. Teixeira, F. J. Palomares, J. M. Gonzalez, N. A. Sobolev, F. Cebollada, A. Mayoral

AIP Advances· Volume 10· Issue 1
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Source abstract

Abstract

We present a ferromagnetic resonance study of the dynamic properties of a set of amorphous Fe-B films deposited on Corning Glass® and MgO (001) substrates, either with or without capping. We show that the in plane anisotropy of the MgO grown films contains both uniaxial and biaxial components whereas it is just uniaxial for those grown on glass. The angular dependence of the linewidth strongly differs in terms of symmetry and magnitude depending on the substrate and capping. We discuss the role of the interfaces on the magnetization damping and the generation of the anisotropy. We obtained values of the intrinsic damping parameters comparable to the lowest ones reported for amorphous films of similar compositions.
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Research context

Ceramics & glasses

OpenAlex topics: Metallic Glasses and Amorphous Alloys · Magnetic Properties and Applications · Magnetic properties of thin films

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Instituto de Ciencia de Materiales de Madrid (CSIC) 1 , Sor Juana Inés de la Cruz, 3, 28049 Madrid, Spain

POEMMA-CEMDATIC, ETSI de Telecomunicación, Universidad Politécnica de Madrid 2 , 28040 Madrid, Spain

Departamento de Física and I3N, Universidade de Aveiro 3 , 3810-193 Aveiro, Portugal

National University of Science and Technology “MISiS” 4 , 119049 Moscow, Russia

Advanced Microscopy Laboratory - Nanoscience Institute of Aragon (LMA-INA) 5 , Mariano Esquillor, s/n, 50018 Zaragoza, Spain

Funding

Ministerio de Economía, Industria y Competitividad, Gobierno de España · Fundação para a Ciência e a Tecnologia · Ministry of Education and Science of the Russian Federation

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