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Exploring the details of the martensite-austenite phase transition of the shape memory Heusler compound Mn2NiGa by hard x-ray photoelectron spectroscopy, magnetic and transport measurements

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Zitation

Blum, C. G. F., Ouardi, S., Fecher, G. H., Balke, B., Kozina, X., Stryganyuk, G., et al. (2011). Exploring the details of the martensite-austenite phase transition of the shape memory Heusler compound Mn2NiGa by hard x-ray photoelectron spectroscopy, magnetic and transport measurements. Applied Physics Letters, 98(25): 252501, pp. 1-3. doi:10.1063/1.3600663.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-0018-B4E3-D
Zusammenfassung
Mn2NiGa is reported to be a shape memory material with a martensite-austenite phase transition. Temperature dependent measurements of the transport and magnetic properties reveal the martensitic transition close to room temperature with a thermal hysteresis of about 27 K. The electronic structure of the valence band in both phases was studied by hard x-ray photoelectron spectroscopy. The results clearly indicate that strong changes in the electronic structure appear at the phase transition. (C) 2011 American Institute of Physics. [doi:10.1063/1.3600663]