Magnetostructural transition and magnetocaloric effect in Ni55Mn20Ga25 single crystals

M. Pasquale,1 C. P. Sasso,1 L. H. Lewis,2 L. Giudici,1 T. Lograsso,3 and D. Schlagel3 1IEN Galileo Ferraris, Materials Department, Strada delle Cacce 91, 10135, Torino, Italy 2Materials Science Department, Brookhaven National Laboratory, Upton, New York 11973-5000, USA 3Materials and Engineering Physics, 111 Metals Development, Ames Laboratory, Ames, Iowa 50011, USA Received 4 May 2005; revised manuscript received 28 June 2005; published 29 September 2005