Digitale Medien
s.l. ; Stafa-Zurich, Switzerland
Advanced materials research
Vol. 52 (June 2008), p. 215-220
ISSN:
1662-8985
Quelle:
Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
Thema:
Maschinenbau
Notizen:
Ferromagnetic shape memory alloy of nominal composition Ni50Mn35Sn15 has beeninvestigated by magnetic and transport measurements. Clear signature of first order martensitictransition is observed over a region around 180 K in resistivity, dc magnetization and acsusceptibility data. Field-cooled and zero-field-cooled magnetizations diverge below the martensitictransition, signifying magneto-thermal irreversibility originating from pinning by variants. Thesample shows large negative magneto-resistance (-25% at 90 kOe) in the region of martensitictransition, which was found to be highly irreversible. A clear correspondence between magnetoresistanceand dc magnetization is observed above the field of technical saturation
Materialart:
Digitale Medien
URL:
http://www.tib-hannover.de/fulltexts/2011/0528/01/41/transtech_doi~10.4028%252Fwww.scientific.net%252FAMR.52.215.pdf
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