Mössbauer study of treated Nd2Fe14B-Reference-Cited by-同舟云学术

Mössbauer study of treated Nd2Fe14B

Published:2015-03-01 Issue:1 Volume:60 Page:7-10
ISSN:0029-5922
Container-title:Nukleonika
language:en
Short-container-title:

Author:

Budzyński Mieczysław¹,Constantin Virgil C.²,Popescu Ana-Maria J.²,Surowiec Zbigniew¹,Tkachenka Tamara M.³,Yanushkevich Kazimir I.³

Affiliation:

1. Institute of Physics, M. Curie-Skłodowska University, 1 M. Curie-Skłodowskiej Sq., 20-031 Lublin, Poland

2. Department of Molten Salts, “Ilie Murgulescu” Institute of Physical Chemistry, Romanian Academy, 202 Splaiul Independentei Str., Bucharest, Romania

3. Scientific-Practical Materials Research Center of National Academy of Sciences of Belarus, 19 P. Brovky Str., Minsk, 220072 Belarus, Tel.: +375 17 284 1301, Fax: +375 17 284 1558

Abstract

Abstract The Nd2Fe14B cylindrical magnets were treated with water solutions of alkali, acid, and salt. Mössbauer spectroscopy was applied to study the composition and properties of the surface material of the treated magnets. It is shown that the main phase of the permanent Nd2Fe14B magnet partly decomposes. The released α-Nd at the grain boundaries interacts with water and forms neodymium hydroxide matrix, and the released Fe diffuses into it. The presence of Fe-Nd(OH)3 is reflected in the paramagnet doublet in the Mössbauer spectra of treated neodymium magnets.

Publisher

Walter de Gruyter GmbH

Subject

Waste Management and Disposal,Condensed Matter Physics,Safety, Risk, Reliability and Quality,Instrumentation,Nuclear Energy and Engineering,Nuclear and High Energy Physics

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