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Magnetic Shape Memory Phenomena
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SYSNO ASEP 0338543 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Magnetic Shape Memory Phenomena Title Jev magnetické tvarové paměti Author(s) Heczko, Oleg (FZU-D) RID, ORCID
Scheerbaum, N. (DE)
Gutfleisch, O. (DE)Source Title Nanoscale Magnetic Materials and Applications. - Heidelberg : Springer Science+Business Media, 2009 / Liu J.P. ; Fullerton E. ; Qutfleisch O. ; Sellmye D.J. - ISBN 978-0-387-85598-1 Pages s. 399-440 Number of pages 42 s. Number of pages 732 Action Symposium on Nanoscale Magnetic Materials and Applications Event date 25.11.2007-30.11.2007 VEvent location Boston Country US - United States Event type WRD Language eng - English Country DE - Germany Keywords magnetic shape memory effect ; Ni-Mn-Ga ; martensitic transformation ; magnetically induced transformation ; magnetically induced reorientation Subject RIV BM - Solid Matter Physics ; Magnetism CEZ AV0Z10100520 - FZU-D (2005-2011) UT WOS 000273183100014 DOI 10.1007/978-0-387-85600-1_14 Annotation Giant magnetically induced strain (MFIS) up to 50 times to the strain of giant magnetostriction was observed in some Heusler alloys particularly in Ni-Mn-Ga. In analogy with the shape memory phenomenon this effect was called Magnetic shape memory (MSM) effect. The effect includes two different phenomena; mag-netically induced martensite (MIM) transformation and magnetically induced reorientation (MIR) occurring in martensite phase. Transformation behavior, structure of the martensite and phenomenology of the magnetically induced reorientation is described. The phenomenology of MIR is based on Heusler Ni-Mn-Ga compounds. The simple model is presented and its prediction tested. Different forms of the materials and its suitability for MIR effect are discussed. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2011
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