Magnetic Properties of Bulk and Thin Nd₂Fe₁₄B Films after Corrosion Action

• Authors: V. Constantin , E. Neacşu , A. Popescu , A. Galyas , O. Demidenko , K. Yanushkevich
• Languages of publication: EN

Abstracts

EN

The corrosion action for bulk and thin Nd₂Fe₁₄B films magnets in different corrosion media was studied. The thin Nd-Fe-B films of 100 nm ≤ d ≤ 1000 nm were deposited on glass substrate by "flash" evaporation method. The structure and microstructure of the samples were studied by X-ray diffraction analysis, scanning electron microscopy. The temperature dependence of the magnetization before and after corrosion action was carried out by ponderomotive method in the temperature range 80 ≤ T ≤ 800 K. It is shown that the specific magnetizations of the thin Nd-Fe-B films with d ≥ 1000 nm are comparable to those measured for the powder samples. The values of the coercive and saturation fields were determined from the hysteresis loops measurements.

Keywords

EN

61.05.cp; 75.50.Bb; 75.50.Vv; 75.70.-i

Discipline

• 75.70.-i: Magnetic properties of thin films, surfaces, and interfaces(for magnetic properties of nanostructures, see 75.75.-c)
• 61.05.cp: X-ray diffraction
• 75.50.Vv: High coercivity materials
• 75.50.Bb: Fe and its alloys

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2015
• Volume: 127
• Issue: 2
• Pages: 368-370

Dates

published

2015-02

Contributors

author

V. Constantin

• "Ilie Murgulescu" Institute of Physical Chemistry of the Romanian Academy, Splaiul Independentei 202, Bucharest, Romania

author

E. Neacşu

• "Ilie Murgulescu" Institute of Physical Chemistry of the Romanian Academy, Splaiul Independentei 202, Bucharest, Romania

author

A. Popescu

• "Ilie Murgulescu" Institute of Physical Chemistry of the Romanian Academy, Splaiul Independentei 202, Bucharest, Romania

author

A. Galyas

• Scientific-Practical Materials Research Center NAS, P. Brovki Str. 19, Minsk, Belarus

author

O. Demidenko

• Scientific-Practical Materials Research Center NAS, P. Brovki Str. 19, Minsk, Belarus

author

K. Yanushkevich

• Scientific-Practical Materials Research Center NAS, P. Brovki Str. 19, Minsk, Belarus

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Identifiers

DOI

10.12693/APhysPolA.127.368