Element-specific electronic structure and magnetic properties of an epitaxial Ni51.6Mn32.9Sn15.5 thin film at the austenite-martensite transition

Krumme B, Auge A, Herper HC, Opahle I, Klar D, Teichert N, Joly L, Ohresser P, Landers J, Kappler JP, Entel P, et al. (2015)
Physical Review B 91(21): 214417.

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Zeitschriftenaufsatz | Veröffentlicht | Englisch
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Abstract / Bemerkung
An austenite-martensite transition was observed in a 100-nm-thick Ni51.6Mn32.9Sn15.5 film by temperature-dependent resistivity and magnetization measurements, revealing a martensite starting temperature of M-S approximate to 260 K. The influence of the structural phase transition on the electronic structure and the magnetic properties was studied element specifically employing temperature-dependent x-ray-absorption spectroscopy and x-ray magnetic circular dichroism. In addition, density functional theory calculations have been performed to study the electronic and magnetic properties of both phases. It is shown that off-stoichiometric Ni-Mn-Sn alloys can exhibit a substantial magnetocrystalline anisotropy energy in the martensite phase. For Mn a change of the electronic structure and a strong increase of the ratio of orbital to spin magnetic moment m(l)/m(S) can be observed, whereas for Ni nearly no changes occur. Applying an external magnetic field of B = 3 T reverses the change of the electronic structure of Mn and reduces the ratio of m(l)/m(S) from 13.5 to approximate to 1 % indicating a field-induced reverse martensitic transition.
Erscheinungsjahr
Zeitschriftentitel
Physical Review B
Band
91
Zeitschriftennummer
21
Artikelnummer
214417
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Krumme B, Auge A, Herper HC, et al. Element-specific electronic structure and magnetic properties of an epitaxial Ni51.6Mn32.9Sn15.5 thin film at the austenite-martensite transition. Physical Review B. 2015;91(21): 214417.
Krumme, B., Auge, A., Herper, H. C., Opahle, I., Klar, D., Teichert, N., Joly, L., et al. (2015). Element-specific electronic structure and magnetic properties of an epitaxial Ni51.6Mn32.9Sn15.5 thin film at the austenite-martensite transition. Physical Review B, 91(21), 214417. doi:10.1103/PhysRevB.91.214417
Krumme, B., Auge, A., Herper, H. C., Opahle, I., Klar, D., Teichert, N., Joly, L., Ohresser, P., Landers, J., Kappler, J. P., et al. (2015). Element-specific electronic structure and magnetic properties of an epitaxial Ni51.6Mn32.9Sn15.5 thin film at the austenite-martensite transition. Physical Review B 91:214417.
Krumme, B., et al., 2015. Element-specific electronic structure and magnetic properties of an epitaxial Ni51.6Mn32.9Sn15.5 thin film at the austenite-martensite transition. Physical Review B, 91(21): 214417.
B. Krumme, et al., “Element-specific electronic structure and magnetic properties of an epitaxial Ni51.6Mn32.9Sn15.5 thin film at the austenite-martensite transition”, Physical Review B, vol. 91, 2015, : 214417.
Krumme, B., Auge, A., Herper, H.C., Opahle, I., Klar, D., Teichert, N., Joly, L., Ohresser, P., Landers, J., Kappler, J.P., Entel, P., Hütten, A., Wende, H.: Element-specific electronic structure and magnetic properties of an epitaxial Ni51.6Mn32.9Sn15.5 thin film at the austenite-martensite transition. Physical Review B. 91, : 214417 (2015).
Krumme, B., Auge, Alexander, Herper, H. C., Opahle, I., Klar, D., Teichert, Niclas, Joly, L., Ohresser, P., Landers, J., Kappler, J. P., Entel, P., Hütten, Andreas, and Wende, H. “Element-specific electronic structure and magnetic properties of an epitaxial Ni51.6Mn32.9Sn15.5 thin film at the austenite-martensite transition”. Physical Review B 91.21 (2015): 214417.