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Effect of twinning on angle-resolved photoemission spectroscopy analysis of Ni.sub.49.7./sub.Mn.sub.29.1./sub.Ga.sub.21.2./sub.(100) Heusler alloy
- 1.0556008 - FZÚ 2023 RIV CH eng J - Journal Article
Cháb, Vladimír - Drchal, Václav - Máca, František - Kudrnovský, Josef - Cichoň, Stanislav - Lančok, Ján - Heczko, Oleg
Effect of twinning on angle-resolved photoemission spectroscopy analysis of Ni49.7Mn29.1Ga21.2(100) Heusler alloy.
Materials. Roč. 15, č. 3 (2022), č. článku 717. E-ISSN 1996-1944
R&D Projects: GA MŠMT(CZ) EF16_019/0000760; GA ČR GA19-13310S
Grant - others:OP VVV - SOLID21(XE) CZ.02.1.01/0.0/0.0/16_019/0000760
Institutional support: RVO:68378271
Keywords : Heusler alloys * shape memory * band structure * photoemission spectroscopy * ferromagnetism * martensite * twinning
OECD category: Coating and films
Impact factor: 3.4, year: 2022
Method of publishing: Open access
To explain the observed features of k-space photoelectron images taken on off-stoichiometric Heusler Ni49.7Mn29.1Ga21.2 single-crystals in the cubic austenitic and pseudotetragonal martensitic phases, the images were simulated theoretically. Despite the moderate structural difference of both phases, there is large difference in photoemission spectra. Analysis of the final states’ structure, matrix elements, and interface barrier scattering was performed to interpret discrepancies between the external photoemission of the austenite and martensite.
Permanent Link: http://hdl.handle.net/11104/0330374
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Number of the records: 1