The influence of structural peculiarities of rapidly quenched bands of the Fe76.1Cu1.0Nb3.0Si13.0B6.1 alloy on their electrochemical behavior

Zhdanova, L. I.; Lad’yanov, V. I.; Volkov, V. V.; Sharipova, E. Kh.; Цепелев, В. С.; Kadikova, A. Kh.

doi:10.1007/bf02758502

Cited by 2 publications

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“…As a result of thermal treatment, not only the magnetic property but also corrosion and catalytic properties of Finemet undergo essential alterations. 2 Obviously, chemical and electrochemical properties of these alloys are determined to a significant extent by the structure as well as the elemental and phase composition of the surface layer. Both, preparation and annealing conditions play a dominant role in this respect.…”

Section: Introductionmentioning

confidence: 99%

XPS and ToF‐SIMS characterization of a Finemet surface: effect of cooling

Chenakin

Vasylyev

Kruse

et al. 2006

Surface & Interface Analysis

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The surface composition of amorphous Finemet, Fe 73 Si 15.8 B 7.2 Cu 1 Nb 3 , was studied by X-ray photoelectron spectroscopy (XPS) and time-of-flight secondary ion mass spectrometry (ToF-SIMS). The as-received sample in the original state and after Ar + sputter-cleaning was analyzed at room temperature as well as after cooling to −155°C. In the cooled state, the surface oxide layer composed of oxides of the alloy constituents was found to become enriched with elemental iron and depleted of elemental silicon, boron, oxygen and carbon as compared to the state at room temperature. Interaction of residual water vapor and hydrogen with the complex oxide layer occurring at low temperatures is believed to be responsible for the enhanced formation of surface hydroxides of the alloy constituents. The processes resulting in the observed redistribution of the elements on the surface of Finemet at low temperatures are discussed.

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Section: Introductionmentioning

confidence: 99%