Martensitic Transformations and Magnetic Properties of Ni-Mn-Sn Heusler Alloy Films |
| J. Dubowik, A. Szlaferek
Institute of Molecular Physics, Polish Academy of Sciences, Smoluchowskiego 17, 60-179 Poznań, Poland and I. Gościańska Department of Physics, A. Mickiewicz University, Umultowska 85, 61-614 Poznań, Poland |
| Full Text PDF |
| Received: 9 07 2007; |
| We report on structural and magnetic properties of Ni50 Mn50-x Snx (x=12÷14) films and compare them with those of the bulk Ni-Mn-Sn alloys. Magnetic measurements reveal clear presence of martensitic transformation in bulk alloys but in the flash-evaporated Ni-Mn-Sn thin films martensitic transformation is usually less visible. The best film samples annealed for 1 h at about 900 K exhibit clear signs of martensitic transformation: i.e., a small defect in magnetization and a substantial increase in ferromagnetic resonance line width. |
| DOI: 10.12693/APhysPolA.113.163 PACS numbers: 75.50.Cc, 81.30.Kf, 76.50.+g |