Electron spin resonance study has been carried out on melt-spun ribbon of Ni55Mn19.6Ga25.4 exhibiting coupled magnetostructural transition. The correlation of electron spin resonance, thermal and magnetic results permitted a clear distinction of various phases and their transformations. Both structural and magnetic transitions coexist in the temperature range 300≤T≤310 leading to four different magnetic phases namely paramagnetic austenite, ferromagnetic austenite, paramagnetic martensite, and ferromagnetic martensite. The sample exhibits a single paramagnetic austenite phase above 310 K while it shows a ferromagnetic martensite phase below 260 K.
Published in:
Journal of Applied Physics
(Volume:105
,
Issue:
12
)
Date of Publication:
Jun 2009
- Page(s):
-
123904
-
123904-4
- ISSN :
-
0021-8979
- Digital Object Identifier :
-
10.1063/1.3148863
- Product Type:
-
Journals & Magazines
- Date of Current Version :
-
24 June 2009
- Issue Date :
-
Jun 2009